JP2003144344A - Small damp towel, method for forming the small damp towel and apparatus for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide small damp towels which are included with just enough moisture equally over their entire surfaces and look excellent. SOLUTION: A continuous sheet of nonwoven fabric cloth of a folded or rolled form having perforations at every prescribed interval is tensed between two pairs of contact rolls 20A and 20B; 32A and 32B, by which the continuous sheet is formed to sheet pieces. The sheet pieces are two-folded between a first pair of folding drums 34 and 36 mid-way in a feed direction by a first folding arrow 40. The drum 34 has a second folding arrow 46 and the two-folded sheet pieces are given folding seams by a second folding arrow 46 and are further two-folded between a second pair of folding drums 36 and 38, by which the sheet pieces are total four-folded. The sheet pieces are taken out as the small damp towels.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand towel which is formed by folding a continuous sheet of non-woven fabric, a method and an apparatus for producing the same.

[0002]

2. Description of the Related Art Conventional towels are made of towel cloth and are supposed to be used repeatedly, but recently, disposable towels have become popular. This type of hand towel is usually made of a continuous non-woven sheet formed by a technique such as air laying from synthetic fibers such as wood pulp fibers and synthetic fibers such as acetate. That is, a non-woven fabric sheet fed out from a roll is cut into a predetermined length to form a sheet piece, and water is applied to the sheet piece by spraying or the like, and the sheet piece is wound into a roll to be a moisturizer.

[0003]

In the manufacture of a hand towel according to the prior art, moisture is applied after cutting continuous sheets into sheet pieces. The non-woven fabric sheet is a web-shaped product in which wood pulp fibers (cellulose fibers) are entangled with an air flow, and these are integrated into a sheet with a binder. The wood pulp fibers have a fiber length of at most 2-3 mm. Is. Therefore, the mutual entanglement is insufficient, it is difficult to cut after applying water, and since it is water application after cutting, there is no choice but to use spraying, and it is difficult to evenly add just enough water. Was becoming. Further, the shape of the hand towel was roll-shaped in accordance with the conventional towel hand towel. However, since a suitable amount of water is not uniformly applied, the adhesion of the sheet between the layers of the roll winding is poor, and in particular, the piece of the sheet is likely to float at the end of the roll winding, resulting in a roll appearance that is not good. I was sick.

The present invention has been made in view of the above problems, and is made of a sheet piece obtained by cutting a continuous nonwoven fabric sheet into a predetermined length, and the entire surface thereof is uniformly and completely free of moisture. The purpose is to provide a towel that looks good.

[0005]

According to the invention as set forth in claim 1, a continuous sheet made of a non-woven fabric to which moisture is applied is formed by a sheet piece separated by a cutting line, and the sheet piece is substantially in the feeding direction. Provided is that the sheet towel is folded in two at a first folding line that is orthogonal to each other, and the folded sheet piece is folded in two at a second folding line that is substantially orthogonal to the feeding direction. To be done.

The operation and effect of the invention of claim 1 will be described. The sheet piece separated from the continuous nonwoven sheet to which moisture has been applied by a perforation line or the like is a first sheet substantially perpendicular to the feeding direction. The sheet piece folded in two along the fold line and folded in half is further wetted by being folded in half along the second fold line that is substantially orthogonal to the feed direction. It is possible to obtain a wet towel with a compact shape that is folded stepwise and to which an appropriate amount of water is evenly applied and which has a good feeling in use.

According to the invention described in claim 2, claim 1
In the invention described in (1) above, there is provided a hand towel which is characterized in that the sheet piece is folded in two at a fold line substantially parallel to the feeding direction before being folded at the first fold line.

The operation and effect of the invention of claim 2 will be described. Prior to a two-stage fold at a fold line substantially orthogonal to the feed direction, two folds are made along a fold line substantially parallel to the feed direction. Therefore, the hand towel in the completed state can be made more compact.

According to the third aspect of the present invention, in the method of forming a hand towel from a continuous nonwoven sheet having cut lines at predetermined intervals in the longitudinal direction, moisture is applied to the continuous nonwoven sheet to impart moisture. A sheet piece by separating the subsequent continuous nonwoven sheet by a cutting line,
The sheet piece is folded in two at a first folding line substantially orthogonal to the feeding direction, and the folded sheet piece is folded in two at a second folding line substantially orthogonal to the feeding direction. Provided is a method for forming a hand towel, which comprises forming a hand towel.

Explaining the function and effect of the invention of claim 3, the nonwoven fabric continuous sheet to which moisture is applied is folded in two stages in the feeding direction after being cut by the cut line in the feeding direction by the first fold line and the second fold line. As a result, it is a wet towel, and since it is cut along the cutoff line, cutting after supplying water can be performed smoothly, and a wet towel containing the proper amount of water evenly over the entire surface can be obtained.

According to the invention described in claim 4, in a method for forming a hand towel from a continuous nonwoven sheet having cut lines at predetermined intervals in the longitudinal direction, two pairs of contact are made after applying moisture to the continuous nonwoven sheet. The nonwoven fabric continuous sheet is tensioned between the rollers to cut it into sheet pieces along the perforation line, and the first folding arrow is engaged with the sheet pieces from the contact roller at an intermediate portion in the feeding direction to be substantially in the feeding direction. A first folding line is provided in a direction orthogonal to each other, a sheet piece is folded in half along the first folding line between a first pair of folding drums, and a second folding arrow is supplied to the folded sheet piece. Characterized in that it is engaged at an intermediate portion in the direction to give a second folding line in a direction substantially orthogonal to the supply direction, and is further folded in half between the second pair of folding drums to form a wet towel. Shibo Shibo Forming method is provided.

Explaining the function and effect of the invention of claim 4, the continuous non-woven fabric sheet is cut by a tear line between two pairs of contact rollers after the application of water. Even if there is, it is possible to surely cut into the sheet piece, and the sheet piece is folded in half by engaging the first folding arrow, and the folded sheet piece is engaged with the second folding arrow. By doing so, it is possible to obtain a hand towel by folding the sheet piece in two steps continuously in the supply direction in this way, and to give uniform water content over the entire surface and to obtain a hand towel with a compact form. You can

According to the invention of claim 5, claim 3
Alternatively, in the invention described in 4, there is provided a method for forming a wet towel, characterized in that the non-woven fabric continuous sheet is moistened by soaking the non-woven fabric sheet and then squeezing excess water.

Explaining the operation and effect of the invention of claim 5, the discontinuous sheet can be dipped in a dough and then the water can be squeezed, so that a sufficient amount of water can be uniformly applied over the entire surface by a simple method. As a method of dobu-zuke, a folded or roll-shaped sheet can be housed in a container, and the container can be filled with water.

According to the invention of claim 6, claim 3
In the invention according to any one of items 1 to 5, a non-woven fabric continuous sheet is provided with a fold line that is substantially parallel to a longitudinal direction thereof before being cut into sheet pieces. It

The operation and effect of the invention of claim 6 will be described. Before cutting into sheet pieces, the sheet pieces are folded at a fold line substantially parallel to the longitudinal direction, so that they are substantially orthogonal to the subsequent feeding direction. A compact wet towel can be obtained by folding in two steps along the folding line.

According to the invention described in claim 7, in a device for forming a hand towel from a continuous nonwoven sheet having cut lines at predetermined intervals in the longitudinal direction, a means for applying moisture to the continuous nonwoven sheet and a cut line. A cutting means for cutting into sheet pieces, a first pair of folding drums separated by a predetermined distance, a second pair of folding drums separated by a predetermined distance, and a sheet piece from the cutting means and an intermediate portion in the feeding direction thereof. A first folding means that applies a first folding line that is substantially orthogonal to the supply direction, and that is folded in half along the first folding line between the first pair of folding drums; and a first pair. And a second folding means for imparting a second folding line to the sheet piece folded in half between the folding drums and further folding it between the second pair of folding drums. Forming device It is provided.

Explaining the action and effect of the invention described in claim 7, the continuous non-woven fabric sheet after water is applied is cut into sheet pieces along a cutting line, and even after the application of water, the continuous nonwoven sheet can be applied to the sheet pieces. In addition to being capable of reliable cutting, by providing a first folding means and a second folding means for applying two-stage folding in the sheet feeding direction to the sheet piece, uniform moisture can be applied to the entire surface, and as a form Can get a compact folded hand towel.

According to the invention of claim 8, claim 7
In the invention described in claim 7, there is provided the wet towel forming device according to the invention described in claim 7, characterized in that the cutting means is composed of two pairs of contact rollers spaced apart in the feeding direction of the continuous sheet.

The operation and effect of the invention of claim 8 will be described. By constructing the cutting means from two pairs of contact rollers, the continuous non-woven fabric sheet after moisture is applied is surely cut by a tear line under tension, and the sheet is cut. It can be a piece.

According to the invention of claim 9, claim 7
Alternatively, in the invention described in 8, there is provided a hand towel forming device, wherein the first and second folding means are first and second folding arrows.

The operation and effect of the invention of claim 9 will be described. By constructing each folding means by a folding arrow, a reliable two-fold state can be obtained.

According to a tenth aspect of the invention, in the invention according to any one of the seventh to ninth aspects, the folded sheet from the first pair of folding drums is folded into the second sheet of the folding drum. There is provided a hand towel forming device further including a welcome plate for guiding a pair.

The operation and effect of the invention of claim 10 will be described. Since the welcome plate guides the folded sheet from the first pair of folding drums to the second pair of folding drums, the folding plate of the second stage is folded in two. Can be done without mistakes.

According to an eleventh aspect of the present invention, in the invention according to any one of the seventh to tenth aspects, the hydrating means contains a container for accommodating a continuous sheet and dipped in the dough. There is provided a wet towel forming device, which is a squeezing roller that presses a drawn continuous sheet from both sides to squeeze excess water.

Explaining the function and effect of the invention of claim 11, a sufficient amount of water can be surely applied to the continuous sheet by drip-soaking the water, and the continuous sheet is squeezed by a squeezing roller. The amount of water finally attached to the sheet can always be kept in an adequate amount.

According to a twelfth aspect of the present invention, in the invention according to any one of the seventh to eleventh aspects, the first pair of folding drums has an upper drum having a smooth outer periphery and a lower portion having surface irregularities. There is provided a hand towel forming device comprising a roller.

Explaining the action and effect of the invention of claim 12, the sheet piece provided with the first fold line by the first folding arrow is made to adhere to the upper drum having a smooth outer periphery, so that the sheet piece can be securely held. It can be folded in two.

According to a thirteenth aspect of the present invention, in the twelfth aspect of the present invention, a stopper plate is provided on the upper drum so as to face the outer periphery, and the sheet piece after the primary folding in two is peeled off. A wet towel forming device is provided which is characterized in that the wet towel forming device is transferred to a welcome plate.

Explaining the action and effect of the invention of claim 13, the folded sheet piece adheres to the upper drum having a smooth surface due to the moisture contained therein, but the stopper faces the outer drum and faces the outer periphery. Since the plate is provided, it can be separated from the upper drum by the stopper plate and can be reliably transferred to the welcome plate. That is, it is possible to peel off the sheet piece after the primary folding in two and transfer it to the welcoming plate.

According to a fourteenth aspect of the invention, in the invention according to any one of the seventh to thirteenth aspects, the first folding arrow is fixed to the tip of the rotatable arm. A featured hand towel forming device is provided.

The operation and effect of the fourteenth aspect of the present invention will be described. The first folding arrow is rotated by the arm, and the sheet piece from the roller pair is folded in half and guided between the first pair of folding drums. Therefore, it is possible to reliably form the sheet piece into two cages.

According to a fifteenth aspect of the present invention, in the invention according to any one of the seventh to fourteenth aspects, the second folding arrow is an upper drum having a smooth outer periphery in the first pair of folding drums. There is provided a hand towel forming device characterized in that it is fixed to the outer periphery of the hand towel.

The operation and effect of the invention of claim 15 will be described. The second folding arrow fixed to the outer circumference of the upper drum imparts a second fold by pressing the folded sheet against the opposing drum. In addition, since it is attached to the opposing drum, it can be smoothly transferred to the second-stage folding between the second pair of folding drums, despite the simple structure of being fixed to the outer periphery of the drum. it can.

According to the sixteenth aspect of the present invention, in the invention of the fifteenth aspect, the surface portion of the mating drum when the second folding arrow faces the mating drum exhibits a smooth surface. A wet towel forming device is provided.

The operation and effect of the invention of claim 16 will be described. By providing a smooth surface portion on the mating drum, the folded sheet with the second folding line is attached to the smooth surface of the lower drum. Therefore, it is possible to smoothly shift to an additional half-fold between the second pair of folding drums.

According to a seventeenth aspect of the present invention, in the invention according to any one of the seventh to fourteenth aspects, the second folding arrow is fixed to the tip of the rotatable arm. A featured hand towel forming device is provided.

Explaining the operation and effect of the seventeenth aspect of the present invention, by attaching the second folding arrow to the rotatable arm, it is possible to surely add the folded sheet to the second pair of folding rolls. Can be folded in half.

According to an eighteenth aspect of the present invention, in the invention according to any one of the seventh to seventeenth aspects, the first to third folding drums are provided and are substantially vertically separated from each other. The first and second folding drums constitute the first pair of folding drums, and the substantially horizontally separated second and third folding drums constitute the second pair of folding drums. A wet towel forming device is provided.

Explaining the operation and effect of the invention of claim 18, two pairs of folding drums can be constituted by three drums, the number of parts is reduced, the constitution is simplified, and the cost is reduced. be able to.

According to the invention of claim 19,
The invention according to claim 7 or 8, wherein the first or second folding means is provided on one folding drum of the pair of folding drums and the other folding drum so as to be openable and closable, and There is provided a hand towel forming device comprising a holding means for selectively holding a bent portion of a sheet attached by an arrow.

Explaining the function and effect of the nineteenth aspect of the present invention, since the folding means is composed of a folding arrow and a gripping means, it is possible to further enhance the certainty of folding in two at each stage.

According to a twentieth aspect of the invention, in the invention of the nineteenth aspect, the gripping means is a gripping lever rotatably provided around a fulcrum, and biases the gripping lever to rotate. It is composed of a spring and a cam that is immovably arranged to rotate the gripping lever back and forth in the circumferential direction according to the rotation of the drum, and the profile of the cam is such that the gripping lever moves the gripping lever at a position slightly ahead of the folding arrow. When the drum is rotated further from the facing state, the gap between the tip of the grip lever and the facing surface of the drum is widened by rotating the drum against the opposite direction, and the bent portion of the sheet is received in this gap. It is formed so that the bent portion of the sheet is gripped in this gap by reducing the gap between the tip of the grip lever and the facing surface of the drum under the bias of the spring. Towel forming apparatus is provided, wherein.

The action and effect of the invention of claim 20 will be described. When the gripping means is composed of a gripping lever capable of rotating, a spring for biasing the rotation of the gripping lever, and a cam, gripping by the cam is performed. The lever can be surely opened and closed, and the bent portion of the sheet piece can be strongly held by the grip lever under the force of the spring, so that the reliability of the half-fold operation can be further enhanced.

According to a twenty-first aspect of the invention, in the invention according to any one of the first to twentieth aspects, the continuous sheets connected by the cut line are folded in the continuous sheet accommodating portion. There is provided a sheet piece unloading device characterized by being stored.

The operation and effect of the invention of claim 21 will be described. Since the sheet is stored in a folded state, when the remaining sheet is exhausted, a new folding sheet is continuously formed with the remaining sheet hung up. It can be filled in the container, and the replenishment management becomes easy.

[0047]

BEST MODE FOR CARRYING OUT THE INVENTION The first embodiment of the present invention will be described below. The container 10 is for accommodating a continuous sheet S, and the continuous sheet S is made of a dry non-woven fabric. The continuous pulp continuous sheet is opened, and the opened wood pulp fibers (cellulose fibers) are conveyed in a layered manner to the mesh conveyor by an air flow, and the binder is sprayed to form a continuous sheet. It was formed. In the present invention, the non-woven continuous sheet is not limited to one made from wood pulp fibers, but may also include one made from chemical fibers such as acetate and other synthetic fibers.

In this embodiment, the continuous sheet S is folded in two in the longitudinal direction, and the continuous sheet folded in two in the longitudinal direction is folded and stored in the container 10. Container 1
0 is composed of a continuous sheet storage portion 10-1 in the left half of FIG. 1 and a hand towel forming portion 10-2 in the right half. A box 11 is built in the continuous sheet accommodating portion 10-1, and the continuous sheet S is folded in the box 11 so that the perforations M are vertically aligned at the center as shown in FIG. It is housed. Therefore, immediately after cutting the continuous sheet into individual sheet pieces along the perforations, the sheet pieces are in a state of being folded on one side, and are opened and used as necessary.

In order to make the continuous sheet S contain water, the continuous sheet folded in the box 11 in this embodiment is dipped in water containing a chemical solution such as an antibacterial agent, and will be described later when it is pulled out from the box 11. The pressure of the squeezing roller is applied to adjust the water content to an appropriate value.

The continuous sheet accommodating portion 10-1 and the hand towel forming portion 10-2 of the container 10 are provided with a first lid 14 and a second lid 16 which are openable and closable on their upper surfaces. The first lid 14 is pivotally attached by a pin 17 on one side of the upper surface of the container, and the second lid 16 is pivotally attached by a pin 18 on the other side of the upper surface of the container. Therefore, the first lid 1
4 is rotatable by a pin 17 from a closed state shown by a solid line to an open state shown by a broken line 14 ', and the second lid 16 is rotatable by a pin 18 from a closed state shown by a solid line to an open state shown by a broken line 16'. is there.

Next, the hand towel forming mechanism housed in the hand towel forming portion 10-2 will be described. A pair of squeezing rollers 20A and 20B (one pair of contact rollers of the present invention) are provided, and the squeezing roller 20A is The aperture roller 20B is fixedly provided in the case, and is attached to the inner surface of the second lid 16. Therefore, the position of the roller 20A is represented by 20A 'when the lid 16 of the lid 2 is rotated as indicated by the alternate long and short dash line 16'. On the other hand, in the state shown by the solid line in FIG. 1 in which the second lid 16 is closed, the squeezing rollers 20A and 20B are in contact with each other, and the continuous sheet S is passed between them to reduce the water content of the continuous sheet S. It is possible to control to an appropriate amount without excess or deficiency. The support rollers 22 at both ends of the squeezing roller 20B are connected to an adjusting mechanism composed of a screw 24 and a nut 26, and the adjustment adjusts the contact pressure of the squeezing rollers 20A and 20B.
In other words, the squeezing amount of water can be adjusted. Aperture roller
Tray 28 is arranged on the lower surface of 20A, 20B, and squeezing roller 20
The excess water squeezed by A and 20B is returned to the continuous sheet storage box 11 through the pipe 30.

A pair of guide plates 21 (FIG. 2) are vertically installed below the squeezing rollers 20A and 20B with a slight space therebetween, and the space between them forms a passage for the sheet piece.

Feeding rollers 32A and 32B (the other pair of contact rollers of the present invention) are arranged slightly below the squeezing rollers 20A and 20B, and are provided so as to project to the sheet piece passage between the guide plates 21. The rollers 32A and 32B are arranged in contact with each other with a continuous sheet or sheet piece interposed therebetween. The two pairs of rollers consisting of the squeezing rollers 20A and 20B and the feeding rollers 32A and 32B also constitute the cutting means of the present invention.
Delivery rollers 32A, 32B with some delay after stopping 20A, 20B
When the continuous sheet is tensioned between the two roller pairs by stopping, the continuous sheet is cut at a perforation M between the roller pairs to form one sheet piece.

First, second and third folding drums 34, 36 and 38 are arranged below the feeding rollers 32A and 32B, and the pair of folding drums 34 and 36 forms the first pair of folding drums of the present invention. The folding drums 34 and 36 are vertically separated from each other by a distance corresponding to the thickness of the sheet piece × 2, and function to fold the sheet piece in half between them. The pair of folding drums 36, 38 constitutes the second pair of folding drums of the present invention.
38 are horizontally separated by a predetermined distance according to the thickness of the sheet piece × 4, and the sheet piece is further folded in half during this time. The surface of the first folding drum 34 is smooth by mirror finishing, but the surfaces of the second and third folding drums are knurled to form a rough surface (uneven surface) of about 0.5 mm. The third folding drum 38 is provided with unevenness on the entire circumference, but the second folding drum 36 has a portion 36-1 within a predetermined angular range in the circumferential direction that is mirror-finished.

The first folding arrow 40 is provided at the tip of the rotation arm 42, and the first folding arrow 40 is rotated around the rotation shaft 44 to the position indicated by the alternate long and short dash line 42 'in FIG. The arrow 40 is moved to the position shown by the dashed-dotted line 40 '.
Therefore, the sheet S1 in the vertically hanging state is provided with a fold line in a direction orthogonal to the feeding direction at an intermediate portion in the feeding direction and is pushed between the first pair of folding drums 34 and 36 as shown in S2. As the folding drums 34 and 36 rotate, the folding process is performed in two, and the surface of the drum 34 is smooth.
To the position shown in S3.

The second folding arrow 46 is fixed to the outer peripheral surface of the first folding drum 34 so as to extend radially outward, and folds the sheet piece folded in two by the first folding arrow 40, Along the folding line, the sheet piece is further folded in two (conveniently four-folded) between the folding drums 36 and 38 to form a hand towel. That is, in FIG. 2, the second folding arrow 46 indicates that the sheet piece is S1 at the perforation as the first step of forming the hand towel.
The second folding arrow 46 is separated from the sheet piece at this time, but the drum 3
As the rotation of No. 4 progresses, the remaining one-quarter length of the sheet piece engages with the sheet piece ((d) of FIG. 4), and the angular position directly facing the folding drum 36 (see FIG. 5). (E))
Then, the second folding arrow 46 deeply presses the half-folded sheet piece to a portion near the leading edge of the mirror-finished portion 36-1 of the opposing folding drum 36, and an intermediate portion in the feeding direction of the half-folded sheet piece. A second folding line is formed in the direction perpendicular to the supply direction, and the sheet piece is attached to the mirror-finished surface.

In FIGS. 1 and 2, the welcome plate 48 is provided at the lower end of the rotary arm 50, and the rotary arm 50 is attached to the rotary shaft 5.
By rotating around 2 to the position indicated by the alternate long and short dash line 50 ', the welcome plate 48 can be moved from the position shown by the solid line across the folding drums 36, 38 to the position indicated by the alternate long and short dash line 48'. On the other hand, a peeling plate 54 is provided so as to face the first folding drum 34 having a smooth surface, and the peeling plate 54 is a folding drum.
The sheet piece adhered to the first folding drum 34 having a mirror surface after being folded in half between 34 and 36 is peeled off and dropped on the welcome board 48. Then, the sheet piece is moved so as to straddle the second pair of folding drums 36, 38 while the front end of the first folded portion is supported by the welcome plate 48, and the second piece attached to the second folding arrow 46. The sheet piece is folded in two at the second stage along the fold line as shown in S4.

An endless discharging belt (conveyor) 56 is provided below the folding drums 36, 38, and the discharging belt 5
6 is wound between the pulleys 58 and 60, and the sheet piece S5, which has been folded in four by the two-fold folding of the sheet piece, is discharged toward the outlet 62 between the sheet and the discharge roller 61. The hand towel receiving plate 63 is rotatably provided on the container 10 and can receive the sheet S6 folded in four by being discharged from the discharge belt 56 as a completed hand towel. Further, the hand towel receiving plate 63 is rotated to the position shown by the one-dot chain line 63 'in FIG. 1 when not in use, and also functions as a lid of the outlet 62 when not in use.

In FIG. 2, the sheet end sensor 64 (S64) is composed of a light emitting element 64-1 and a light receiving element 64-2, and detects the lower end of the sheet piece. The welcome plate position sensor 65 (S65) such as a limit switch detects that the arm 50 has rotated to the solid line and the welcome plate 48 has reached the reference position. In the drum reference position sensor 66 (S66) such as a proximity switch, the second folding arrow 46 on the first folding drum 34 indicates the reference position ((a) in FIG. 3).
And (B) position) are detected. A hand towel sensor 67 (S67) such as a proximity switch detects that the completed hand towel has come out from the outlet 62.

As the drive mechanism, the squeezing rollers 20A and 20B are driven by a motor M1 and the feeding rollers 32A and 32B are driven by a motor M2. The folding drums 34, 36, 38 are driven by a common motor M3. The discharge belt 56 is driven by the motor M4. Drive motor M5 for the welcome plate 48
Is a reversible motor and is provided on the rotary shaft 52. In addition, the driving solenoid SL of the first folding arrow 40 is the arm 42
And the arm 42, that is, the first folding arrow 40, is rotationally driven between the solid line position and the alternate long and short dash line (40 ') position.

Next, a series of operations of the hand towel manufacturing apparatus according to the first embodiment will be described with reference to FIGS.
FIG. 3 shows the first stage (a), and the leading edge formed by the previous cutting of the continuous sheet S is indicated by S ′. The start switch SW is turned on at the timing t1 of FIG.
Motor M1 for squeezing rollers 20A, 20B and feeding rollers 32A, 32B
The motor M2 of FIG. 7 is rotated ((b) and (c) of FIG. 7), and as a result, the continuous sheet S is sent toward the feeding rollers 32A, 32B and is gripped by the feeding rollers 32A, 32B rotating at the same surface speed. , From which it hangs downwards. At this time, the folding drums 34, 36, 38 and the belt 56 are stopped ((d) and (e) in FIG. 7). The first folding arrow 40 is retracted. Further, the angular position of the second folding arrow 46 on the folding drum 34 is at the reference position, and after the roller starts to rotate, it engages with the sheet piece at a portion having a length of the remaining 1/4. It has been decided. This reference position is the sensor 66
It is detected by (S66).

FIG. 3B shows the second stage. At the timing t2, the leading edge S'of the continuous sheet S blocks the optical path between the light emitting element 64-1 and the light receiving element 64-2 of the sensor 64, and the detection signal is output. a
Is generated ((f) in FIG. 7), the rotation of the drive motor M1 for the squeezing rollers 20A, 20B is stopped. On the other hand, the feeding roller 32A,
Since the rotation of the drive motor M2 of 32B is continued, the continuous sheet S receives tension and is separated into one sheet piece at the perforation M located between the roller pair. Drive motor for feeding rollers 32A and 32B after 1 second ((C) in FIG. 7) has elapsed.
The rotation of M2 is stopped.

FIG. 4C shows the third stage. That is, the detection timing t1 of the lower end S'of the sheet by the sensor 64
Solenoid SL for driving arm 42 at timing t3 after a lapse of time T2 from (the stage (b) in FIG. 3).
Is turned on, the arm 42 that has been stopped until then is rotated as shown by the forward arrow f, and the first folding arrow 40 at the tip is moved toward the gap between the folding drums 34, 36, and in the process, the sheet piece Engage S. This engagement position is an intermediate position of the sheet piece in the feeding direction. By the engagement with the first folding arrow 40, a first folding line is formed on the sheet piece in a direction orthogonal to the feeding direction. The sheet piece is folded in half between the folding drums 34 and 36 as the rotation of the arm 42 progresses.

The fourth stage is indicated by (d), and the half-folded sheet piece continues to move in the rotation direction g. After the start of the rotation of the first folding drum 34, the sheet pieces are supplied for a length of 3/4, and the second folding arrow 46 on the first folding drum 34 forms the sheet at the remaining 1/4 part S ″ ′. To be engaged with a piece.
The surface of the drum 34 is mirror-finished, and the upper drum 34 and the lower drum 36 have a somewhat smaller diameter and a lower surface speed. And move to (d) in Figure 4
At the bent front end S ″ as shown in FIG.
4 comes into contact with 4. The half-folded sheet piece is peeled from the surface of the drum 34 by the contact with the peeling plate 54 as indicated by an arrow h. The peeled half-folded sheet piece is received by the welcome plate 48 at the reference position shown.

The fifth stage is shown in FIG. That is,
At the timing t4 of a predetermined time T4 ((g) of FIG. 7) from the start of the operation of the drive solenoid of the first folding arrow 40, the signal board b starts the forward rotation of the welcome plate drive motor M5 (FIG. 7).
(H) of FIG. 5), by the counterclockwise rotation of the arm 50, as shown by the arrow i in FIG. 5 (e), the welcome plate 48 is moved substantially horizontally to the rightmost position, and the folded sheet piece is folded. Are located across the second and third folding drums 36, 38. On the other hand, the second folding arrow 46 on the first folding drum bi-fold 34
Is diametrically opposed to the second folding drum 36, and presses the remaining quarter of the sheet piece S ″ ′ deeply against the opposing drum 36, and the remaining quarter of the sheet piece SA is first It is pressed against the uneven second drum 36 together with the 1/4 length portion SB which is separated from the smooth surface of the drum 34 and is in close contact with the surface of the second drum 36, and as a result, the folded sheet piece is fed in the feeding direction. A second fold line is provided at the intermediate portion, and at this time, the tip of the second folding arrow 46 is positioned at the leading edge in the rotational direction of the mirror-finished portion 36-1 of the second folding drum 36,
The portion SB downstream of the second folding line in the rotational direction is brought into close contact with the mirror-finished portion 36-1 of the second folding drum 36, and has a length of 1/4 of the sheet piece peeled from the surface of the first drum 34. The part SA is overlapped with the part SB. At the timing t5 when the time t5 required to reach the rightmost position from the movement start timing t4 has elapsed, the greeting board 48 is indicated by the arrow i.
The rotation of the direction is stopped.

In the sixth step (f), the half-folded sheet piece S is moved in close contact with the surface of the second folding drum 36,
At this time, since the second folding line is formed, the half-folded sheet piece is further folded in half by the second folding line in accordance with the rotation of the second folding drum 36, and the second pair of sheets is conveniently folded in four. It moves to the gap between the folding drums 36, 38.

In the seventh step (G), the sheet piece S folded in four is received by the belt 56 at the leading end thereof, and the folding drum 36,
Moving through the gap between 38.

The eighth stage (h) shows the state in which the sheet piece S has been folded in four. Then, the arm 50 is rotated in the arrow direction toward the initial position in preparation for the next hand towel forming operation. That is, at the timing t6 when the waiting time T6 has elapsed from the stop timing t5, the attacking plate drive motor M5 starts reverse rotation, the arm 50 rotates as shown by an arrow j, and the arm 50 comes into contact with the attacking plate initial position detection sensor 65. At timing t7 (FIG. 7 (i)), the signal c is triggered, and the welcome plate drive motor M5 is stopped (FIG. 7 (h)).

When the sheet piece S, which has been folded in four, is discharged as a hand towel from between the discharge belt 56 and the discharge roller 61, the sensor 67 detects it as shown in FIG. The detection timing is indicated by t8. The presence / absence of detection by the sensor 67 can also be used to detect that jamming has occurred due to the fact that the wet towel formation is not normally performed regardless of whether a sheet is placed.

At the timing of t9 in FIG. 7, the second folding arrow 46 faces the reference position sensor 66, the signal d is output as shown in FIG. 7 (L), and the drum drive motor M3 and the conveyor belt drive motor M4. Are stopped and initialized to the reference state shown in FIG.

Formation of the hand towel according to the first embodiment of the present invention is carried out by repeating the above steps (a) to (g).

FIG. 8 shows a second embodiment of the present invention. The difference from the first embodiment is that the second folding arrow 46 on the folding drum 34 is used in the first embodiment. But
Instead, the rotating second folding arrow 70 is used. The second folding arrow 70 is provided at the free end of an arm 74 that can be rotated by a rotation shaft 72, and the arm 74 is rotated from the position indicated by the solid line to the position indicated by the alternate long and short dash line 74 '. The second folding arrow 70 is normally positioned so as to be retracted upward, but when the arm 74 is rotated to the position 74 ′, the second folding arrow 70 comes to the position indicated by the alternate long and short dash line.

In the operation of the second embodiment, the arm 4
2 is rotated to the position 42 'of the one-dot chain line, and the first folding arrow 4
By moving 0 to the position of the dashed-dotted line 40 ',
The sheet piece S1 is folded at the center in the feeding direction,
The sheet piece is S2 between the first pair of folding drums 34, 36.
Is folded in two. The operation in this respect is similar to that of the first embodiment. The half-folded sheet piece adheres to and moves on the mirror-finished first folding drum 34 as in S3, is peeled from the first folding drum 34 by the peeling plate 54, is received by the greeting plate 48, and is received by the arm. Fifty
Moves toward the position of the alternate long and short dash line 50 ', so that the half-folded sheet piece is arranged so as to straddle the second pair of folding drums 36, 38. Then, the arm 74 is attached to the chain line 74 '.
The second folding arrow 70 is moved to the position of the alternate long and short dash line 70 'by rotating it to the position of, and the half-folded sheet piece is folded in half at the intermediate portion in the feeding direction, and the second pair of folding drums 36 , 38 sheets are folded in four for convenience and become a hand towel.

FIG. 9 shows a third embodiment, and the hand towel forming mechanism is the same as that of the second embodiment shown in FIG. The feature of this embodiment is that the continuous sheet is rolled. That is, the roll-shaped sheet is wound around the winding shaft 80. The winding shaft 80 is placed in the upright groove 11A in the opposing wall of the sheet storage box 11. The sheet pull-out belt 82 is wound around the pulleys 86A and 86B at both ends of the arm 84. The spring 88 urges the arm 84 to rotate clockwise about the axis 90, and as a result, the pull-out belt 82 is pressed against the outer peripheral surface of the sheet roll. The pulley 86B is belt-connected to the squeezing roller 20A, and as a result, the driving force for rotating the squeezing roller 20A is also transmitted to the belt 82, and the sheet S can be pulled out from the roll in the arrow direction. In FIG. 9, reference numeral 82 'indicates the position of the contact conveyance belt 82 when the sheet roll becomes thin due to the consumption of the sheet.

FIG. 10 shows still another embodiment, and in this embodiment as well, the continuous sheet is roll-shaped as in FIG. The characteristic point is that the continuous sheet rolls are placed on a pair of feed rolls 94A and 94B that are horizontally separated. One of the feed rolls 94A uses the belt 96 to squeeze the roller 20A
Connected to. The rotational driving force of the squeezing roller 20A is transmitted to the feed roll 94A, and the continuous sheet is pulled out from the roll in the arrow direction. When the continuous sheet is consumed and the roll becomes thin, the winding shaft 80 descends, and the alternate long and short dash line 80 ′ indicates the position of the winding shaft 80 at the lowest position.

FIGS. 11 to 15 show the structure of the hand towel forming apparatus of the fifth embodiment and the steps (a) to (h) of the hand towel forming procedure in this embodiment. In this embodiment, the continuous sheet is used. It is characterized in that a fold line is provided to the sheet piece cut from the sheet and the bent portion of the sheet is gripped at the same time to perform a reliable folding operation. In FIG. 11, first, second and third folding drums 100, 102, 104 are provided, and the first and second folding drums 100, 102 are arranged in close proximity to each other to face each other. And the second and third folding drums 102 and 104 are arranged in close proximity to each other and face each other to form a second pair of folding drums of the present invention. The first of these
And folding means are provided on the second pair of folding drums, respectively.

The folding means between the first pair of folding drums 100 and 102 will be described. The first folding drum 100 has a base portion having a rectangular cross section on the outer periphery thereof and a sharp tip, which is in the drum axial direction (see FIG. 11). A first folding arrow 106 is provided as an insert body extending in the direction orthogonal to the paper surface. Second folding drum 10
2 is provided with a notch 108 extending over substantially the entire length in the drum axial direction on the outer periphery, and the grip lever 11 is provided in the notch 108.
0 is stored. That is, in FIG. 15 which is a partially enlarged view of FIG. 11B, the folding drum 102 has a rotating pin 112 extending in the direction orthogonal to the paper surface over substantially the entire length of its axis. The inner end of the grip lever 110 is fixed to the rotating pin 112. The grip lever 110 extends in the notch 108 over substantially the entire length of the axis of the folding drum 102, that is, in the direction orthogonal to the paper surface. Therefore, when the rotating pin 112 is rotated, the grip lever 110 is rotated.
Can swing back and forth in the notch 108 in the circumferential direction around the axis of the rotating pin 112 depending on the rotation direction. The rotating pin 112 projects outward from the shaft end of the folding drum 102, and the inside of the cam driven lever 114 is fixed to this projecting end, and the outside of the cam driven lever 114 located outside the shaft end of the folding drum 102. A cam driven roller 116 is rotatably supported at the end. Spring 120
The coil winding portion in the middle is fitted to the outer periphery of the rotating pin 112, and the spring 1 extending from this coil winding portion
One end of 20 is hooked on a stopper 122 on the side of the folding drum 102, and the other end is hooked on a stopper 124 fixed to the grip lever 110. As a result, the gripping lever 110 is normally urged by the spring 120 in the counterclockwise direction in FIG. 15, the gripping lever 110 abuts on the facing surface of the notch 108, and further counterclockwise rotation is prevented. .
As described above, the cam driven lever 114 and the cam driven roller 116 are provided outside the shaft end of the folding drum 102 and rotate integrally with the folding drum 102. On the other hand, the cam 1 is provided on the machine frame side outside the shaft end of the folding drum 102.
26 is arranged immovably, and the cam driven roller 116 on the folding drum 102 side is arranged so as to face and abut the peripheral surface of the cam 126. As a result, as described below, the folding drum 10
In response to the rotation of 2, the cam follower roller 116 is moved up and down according to the profile of the cam 126, so that the cam follower lever 114, and thus the gripping lever 110, is rotated.
By rotating around the axis of the sheet, the grip lever 110 selectively grips and releases the bent portion of the sheet piece.

The structure of the folding means between the second pair of folding drums 102 and 104 is substantially the same as that of the folding means between the first pair of folding drums 100 and 102. That is, the second folding drum 1
02 has a second folding arrow 128 on its outer circumference, and the configuration of this second folding arrow 128 is the same as that of the first folding arrow 106 on the first folding drum 100. Further, the third folding drum 104 is provided with a gripping means for the bent portion of the sheet piece,
The structure is similar to that of the gripping means on the second folding drum 102. That is, the gripping means for the third folding drum 104 is the gripping lever 130, the cam driven roller 132, and the cam driven lever 1 as described with reference to FIG.
34, a spring 136, and the like. Further, a cam 138 is provided on the machine frame side, and the third folding drum 104
The cam driven roller 132 positioned outside the shaft end of the is disposed so as to face and abut the peripheral surface of the cam 138.

Next, a procedure for forming a hand towel with the hand towel forming device described above will be described.
FIG. 11A shows a state in which the sheet piece S1 is stationary at the initial position, and the leading edge of the sheet piece S1 is the first and second folding drums.
It is nipped between 100 and 102. From the state of FIG. 11A, the first and second folding drums 100 and 102 start to rotate as indicated by arrows. First and second folding drum 10
By the start of rotation of 0 and 102, the sheet piece S1 is moved to the position (b) in FIG.
Start the move as shown in. In (B), the first folding arrow 106 on the first folding drum 100 and the grip lever 110 on the second folding drum 102 are located in front of the sheet piece S1. 15 is a partially enlarged view of the first and second folding drums 100 and 102 in FIG. 11B, in which the cam driven roller 116 is the base circle 126A of the cam 126.
Therefore, the cam driven lever 114 is maximally rotated in the counterclockwise direction in FIG. 15 by the spring 120, and the grip lever 110 rotating integrally with the cam driven lever 114 is located downstream of the notch 108 in the rotation direction d. It is in contact with the side facing surface 108A. Therefore, the grip lever 1
10 and the facing surface 10 in the notch 108 in the rotational direction d.
A gap is formed between it and 8B.

When the rotation of the first and second folding drums 100, 102 progresses a little from the state of FIG.
The first folding arrow 106 on the folding drum 100 is the sheet piece S1.
It approaches the position directly facing the grip lever 110 with the pinch in between. At this time, the cam driven roller 116 rides on the portion 126B of the cam 126 that is slightly raised from the base circle 126A, so that the cam driven lever 114 is rotated in the clockwise direction in FIG. The grip lever 110, which rotates integrally with the driven lever 114, also rotates in the same direction, and is rotated close to the upstream facing surface 108B of the notch 108 in the rotation direction d. Therefore, this time, a gap is formed between the grip lever 110 and the downstream facing surface 108A of the notch 108 in the rotation direction d.
Therefore, as the rotation of the first and second folding drums 100 and 102 progresses, the first folding arrow 106 forms a fold line on the sheet piece S1 (as in the previous embodiment, the position where the fold line is applied is the longitudinal direction of the sheet piece S1. The bent portion of the sheet piece S1 is pushed into the gap between the gripping lever 110 and the facing edge 108A of the notch 108 while applying (the middle of).

FIG. 17 shows a state in which the rotations of the first and second folding drums 100, 102 have slightly advanced from the state of FIG. 16 (FIG. 17 shows the first and second folding drums 100, 102 in FIG. 12C). 1
02 is also a partially enlarged view), and in this state, the cam driven roller 116 is the ascending portion of the cam 126.
126B starts to return to the contact state with the base circle 126A, so that the cam driven lever 114 is rotated counterclockwise in FIG. 17 by the spring 120, and the grip lever 110 integrated with the cam driven lever 114 is also the same. The bent portion S1 ′ of the sheet piece S1 formed by the first folding arrow 106 on the first folding drum 100 is rotated between the gripping lever 110 and the facing edge 108A of the notch 108 so that the spring 1
It is pressed under the bias of 20. Therefore, the sheet piece
S1 can be securely held in a folded state.

In this way, the first and second folding drums 100 and 102 move from (c) to (d) in FIG. 12 while bending and gripping the sheet piece S1 at the middle portion thereof. In this state (d), the cam follower roller 116 moves the base circle 126A of the cam 126.
The half-folded portion S1 ′ of the sheet piece S1 which is still positioned above is gripped by the gripping lever 110.
S1 ′ has been nipped between the second and third folding drums 102 and 104. On the other hand, the second folding arrow 128 on the second folding drum 102 comes into contact with the sheet piece S1 at the remaining length of 1/4 and gives a folding line there.

As the rotation of the second and third folding drums 102 and 104 progresses from (d) of FIG. 12, the folding of the sheet piece S1 gripped by the gripping lever 110 proceeds,
Since the driven roller 116 rides on the ascending portion 126B of the cam 126 at a portion slightly before reaching the state of (e) in FIG. 13, the grip lever 110 is slightly rotated against the spring 120,
The bent portion S1 ′ of the half-folded sheet piece S1 releases the restraint of the grip lever 110 as illustrated. On the other hand, the second folding arrow 128 on the second folding drum 102 folds the double-folded sheet piece S1 at the center portion in the lengthwise direction while making a second folding line S1 "to form the second folded portion S1". Folding drum 104
The upper grip lever 130 is gripped. Grip lever 13
This operation of No. 0 is similar to the series of operations of the grip lever 110 described with reference to FIGS. That is, the second folding arrow 1
28, the grip lever 130 is opened against the spring 136 by the ascending portion of the cam 138, and the second folding arrow 128 causes the folded sheet piece S1 to move in the longitudinal direction in the gap formed thereby. The cam driven roller 132 returns to the base circle portion of the cam 138 when the second and third folding drums 102, 104 are slightly pushed and rotated in the middle portion, so that the folded portion in the center portion of the half-folded sheet piece S1. S1 "is held by the grip lever 130 under the urging force of the spring 136. Therefore, the bent portion S1" of the middle portion of the half-folded sheet piece S1 can be reliably held.

In the state of (f) in FIG. 13, the folded portion S1 "in the center portion of the half-folded sheet piece S1 is the grip lever 1.
While being gripped by 30, the second and third folding drums 102,
As the rotation of 104 progresses, the sheet piece S1 is folded in four for convenience.

FIG. 13G shows the second and third folding drums.
The rotation of 102 and 104 is further advanced, and the sheet piece S1 is completely 4
The folded state is shown.

When the rotation of the second and third folding drums 102, 104 progresses a little from the state of (g) in FIG. 13, the cam driven roller 132 reaches the rising portion 138B of the cam 138, so that the grip lever 130 moves. The bent portion S1 "of the sheet piece S1 by the grip lever 130 is rotated against the spring 136.
Is released. At the same time, the bent portion S1 ″ of the sheet piece S1 is engaged with the peeling plate 140, so that
The folded sheet piece is forcibly released from the third folding drum 104.

FIG. 14H shows the third folding drum 104.
4 shows a state in which the four-fold sheet pieces separated from are dropped and accumulated on the conveyor 142.

In the hand towel forming apparatus of the fifth embodiment described above, the bent portion is gripped by the spring-biased gripping levers 110 and 130 when the sheet piece is folded in half and folded in four. There is an advantage that a four-fold operation can be performed.

In the first embodiment of FIGS. 1 to 8 described above, the continuous sheet is stored in the box 11 of the continuous sheet storage portion 10-1 in the folded state. However, in the case of storing the continuous sheet in the folded state, When the remaining amount becomes low, a new folding continuous sheet is replenished in the box 11 and the remaining continuous sheet is pulled out, and when it is exhausted, the continuous sheet can be transferred to the new continuous sheet as it is. Therefore, there is an advantage that the replenishment management of the continuous sheet becomes efficient as compared with the second and third embodiments of FIGS. 9 and 10 in which it is necessary to completely wait for the roll replacement.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view of a hand towel forming apparatus according to a first embodiment of the present invention.

FIG. 2 is an enlarged view of the hand towel forming mechanism in FIG.

FIG. 3 is a diagram showing steps (a) and (b) of forming a hand towel with the hand towel forming device of FIG. 1.

FIG. 4 is a diagram showing steps (C) and (D) of forming a hand towel with the hand towel forming apparatus of FIG. 1.

5 is a diagram showing steps (e) and (f) of forming a hand towel with the hand towel forming device of FIG.

6 is a diagram showing steps (g) and (h) of forming a hand towel with the hand towel forming device of FIG.

7 is a timing chart for explaining the operation of the hand towel forming device of FIG.

FIG. 8 is a schematic vertical sectional view of a hand towel forming apparatus according to a second embodiment of the present invention.

FIG. 9 is a schematic vertical sectional view of a hand towel forming apparatus according to a third embodiment of the present invention.

FIG. 10 is a schematic vertical sectional view of a hand towel forming apparatus according to a fourth embodiment of the present invention.

FIG. 11 is a diagram showing steps (a) and (b) of forming a hand towel with the hand towel forming device according to the fourth embodiment of the present invention. 2 is a schematic vertical sectional view of FIG.

FIG. 12 is a step (C) of forming a hand towel with a hand towel forming apparatus according to the fourth embodiment of the present invention;
It is a figure which shows (d).

FIG. 13 is a stage (e) for forming a hand towel with a hand towel forming device according to a fourth embodiment of the present invention, and
It is a figure which shows (F).

FIG. 14 is a step (g) of forming a hand towel with a hand towel forming device according to a fourth embodiment of the present invention;
FIG.

FIG. 15 is a partially enlarged view of the first pair of folding drums in the stage (b) of FIG. 11, showing the gripping lever in the closed state.

FIG. 16 shows the gripping lever from FIG. 15 in which the first pair of folding drums has rotated and has been rotated somewhat to receive the sheet piece.

FIG. 17 corresponds to FIG. 12C and shows a state in which the sheet piece is gripped by the gripping lever at the bent portion.

[Explanation of symbols]

10 ... Container 11 ... Box 14 ... First lid 16 ... Second lid 20A, 20B ... Aperture roller 28 ... tray 32A, 32B ... Delivery roller 34, 36, 38 ... First, second and third folding drums 40 ... First Oriya 46 ... Second Origami 48 ... Welcome board 56 ... Discharge belt

Claims (21)

[Claims] 1. A continuous sheet made of a non-woven fabric to which moisture has been applied, which is composed of sheet pieces separated by a cutting line, and the sheet pieces are folded in two at a first fold line substantially perpendicular to the feeding direction, The hand towel is characterized in that the folded sheet piece is folded in two at a second folding line substantially perpendicular to the feeding direction. 2. The hand towel according to claim 1, wherein the sheet piece is folded in two along a fold line substantially parallel to the feeding direction prior to the folding along the first fold line. 3. A method of forming a hand towel from a continuous non-woven fabric sheet having perforations at predetermined intervals in the longitudinal direction, wherein moisture is applied to the non-woven fabric continuous sheet, and the continuous non-woven fabric sheet after the moistening is imparted by perforation lines. A sheet piece is obtained by separating the sheet piece, and the sheet piece is folded in two at a first folding line that is substantially orthogonal to the feeding direction, and the folded sheet piece is divided into a second sheet piece that is substantially orthogonal to the feeding direction. A method for forming a hand towel, which comprises forming a hand towel by folding it in half along a fold line. 4. A method of forming a hand towel from a continuous nonwoven sheet having perforations at predetermined intervals in the longitudinal direction, which comprises applying moisture to the continuous nonwoven sheet, and then tensioning the continuous nonwoven sheet between two pairs of contact rollers. To cut the sheet piece along the cut line by engaging the first folding arrow with the sheet piece from the contact roller at an intermediate portion in the feeding direction to form the first folding line in a direction substantially orthogonal to the feeding direction. The sheet piece is folded between the first pair of folding drums, and the sheet piece is folded in half along the first folding line.
The folding towel is engaged at an intermediate portion in the feeding direction to give a second folding line in a direction substantially orthogonal to the feeding direction, and is further folded in half between the second pair of folding drums to form a hand towel. A method for forming a hand towel characterized by forming. 5. The wet towel formation according to claim 3 or 4, wherein the moisture is applied to the nonwoven fabric continuous sheet by immersing the nonwoven fabric sheet in a drip and then squeezing excess moisture. Method. 6. The invention according to any one of claims 3 to 5, characterized in that the nonwoven fabric continuous sheet is folded at a fold line substantially parallel to its longitudinal direction prior to cutting into sheet pieces. A method for forming a hand towel. 7. An apparatus for forming a hand towel from a continuous nonwoven sheet having cut lines at predetermined intervals in the longitudinal direction, a means for applying moisture to the continuous nonwoven sheet, and a cutting means for cutting into sheet pieces by the cut lines. The first pair of folding drums separated by a predetermined distance, the second pair of folding drums separated by a predetermined distance, the sheet piece from the cutting means, and the sheet piece are engaged with each other at an intermediate portion in the feeding direction and are substantially in the feeding direction. A first folding means that imparts a first fold line orthogonal to each other and folds in half along the first fold line between the first pair of folding drums, and is folded in half between the first pair of folding drums. And a second folding means for imparting a second folding line to the sheet piece and further folding the sheet between the second pair of folding drums. 8. The hand towel forming device according to claim 7, wherein the cutting means is composed of two pairs of contact rollers which are separated in the feeding direction of the continuous sheet. 9. The hand towel forming device according to claim 7 or 8, wherein the first and second folding means are first and second folding arrows. 10. The invention according to any one of claims 7 to 9, further comprising a welcome plate that guides the half-folded sheet from the first pair of folding drums to the second pair of folding drums. A hand towel forming device characterized by the above. 11. The invention according to any one of claims 7 to 10, wherein the moisture imparting means accommodates a continuous sheet and drips it into a container, and a continuous sheet drawn from the container is added from both sides. A wet towel forming device, which is a squeezing roller that presses and squeezes excess water. 12. The invention according to claim 7, wherein the first pair of folding drums is composed of an upper drum having a smooth outer periphery and a lower roller having surface irregularities. Wet towel forming device. 13. The invention according to claim 12, wherein a stopper plate is provided on the upper drum so as to face the outer periphery, and the sheet piece after the primary folding in two is peeled off and transferred to the welcome plate. Wet towel forming device. 14. The hand towel forming device according to any one of claims 7 to 13, wherein the first folding arrow is fixed to a tip of a rotatable arm. 15. The invention according to claim 7, wherein the second folding arrow is fixed to the outer periphery of the upper drum of the smooth outer periphery of the first pair of folding drums. Characteristic hand towel forming device. 16. The hand towel forming device according to claim 15, wherein a portion of the surface of the mating drum when the second folding arrow faces the mating drum is a smooth surface. . 17. The hand towel forming device according to any one of claims 7 to 14, wherein the second folding arrow is fixed to a tip of a rotatable arm. 18. The invention according to any one of claims 7 to 17, wherein first to third folding drums are provided, and the first and second folding drums which are substantially vertically spaced apart from each other are provided. A hand towel forming device, comprising a first pair of folding drums, and second and third folding drums which are substantially horizontally separated from each other constitute the second pair of folding drums. 19. The invention according to claim 7 or 8, wherein the first or second folding means can be opened and closed on a folding arrow provided on one folding drum of a folding drum pair and on the other folding drum. A hand towel forming device, comprising: a gripping means which is provided and selectively grips a bent portion of the sheet attached by the folding arrow. 20. The invention according to claim 19, wherein the gripping means is provided on the other folding drum and provided on the other folding drum and a gripping lever rotatably provided around a fulcrum. And a stationary cam for rotating the gripping lever back and forth in the circumferential direction according to the rotation of the drum.The profile of the cam is slightly opposed to the folding arrow. By rotating the gripping lever against the spring at the front position, the gap between the tip of the gripping lever and the facing surface of the drum is widened, and the bent portion of the sheet is received in this gap, and the facing state is established. When the drum is further rotated from the above position, the bent portion of the sheet is grasped in this gap by reducing the gap between the tip of the gripping lever and the facing surface of the drum under the bias of the spring. A hand towel forming device, which is formed so as to be held. 21. The invention according to any one of claims 1 to 20, characterized in that the continuous sheets connected by the cutoff line are stored in a folded state in the continuous sheet storage portion. Sheet take-out device.