JP2005350832A - Non-needle felt, or the like, in which release-preventing processing is applied to end part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a nonwoven fabric in which needle-inspecting operation, and the like, is made unnecessary by producing it without using any needle and a problem in which a water-blocking sheet 3 is broken by a needle left in the interior when the nonwoven fabric is used as a protective mat 2 is solved, and to provide a waste-treating site 1 not causing outflow of sewage containing a harmful substance by using the protective mat 2, and to provide a non-needle felt 9, or the like, free from the problem in which the end is readily releasable between layers. <P>SOLUTION: The present invention provides a non-needle felt 9 obtained by heating and compressing layers of a fiber obtained by mixing a binder into a raw material mainly composed of a polyester to produce the non-needle felt 9 and applying release-preventing processing to the end after cutting the non-needle felt 9 or applying release-preventing processing to a part to become the end before cutting the non-needle felt 9, an apparatus 10 for producing the non-needle felt 9 and a waste-treating site 1 in which the non-needle felt 9 is used as the protective mat 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention is a nonwoven fabric used as a civil engineering material such as a protection mat for a water shielding sheet in a waste disposal site, a suction / scouring prevention mat in a revetment work, and a greening material such as a herbicide or a vegetation sheet. The present invention relates to a non-woven fabric that does not damage a water shielding sheet or a worker.

Conventional nonwoven fabrics are manufactured by compressing a fiber layer, inserting and removing a plurality of needles having a number of stabs into the compressed fiber layer, and tangling the fibers together while compressing the fibers. being called. Usually, when manufacturing a needle felt, about 25,000 needles are driven per square meter of area.
When a needle felt is manufactured using a new raw material, the needle will not break. However, when a needle felt of 3000 to 4000 square meters per day is manufactured using a recycled raw material, a plurality of needles are folded. There was a problem of remaining in the needle felt. This is because hard fibers are mixed in the recycled material.
In order to remove the needle remaining in the needle felt, a needle is placed on the entire surface of the needle felt to find the needle, and a person pulls out the needle by hand from the needle felt. Had a problem.
In addition, since perfect inspection cannot be performed, there is a problem that a broken needle is shipped in a state where it remains in the needle fell. When a needle felt containing a broken needle is used as a protective mat for a water shielding sheet, there is a serious problem that the needle breaks the water shielding sheet and sewage containing harmful substances flows out. There is also a risk that the needle remaining inside may injure the hand of the person handling the needle felt.

In addition, as a nonwoven fabric sheet with high density, durability, water resistance, breathability and moisture permeability, a nonwoven fabric sheet having a network structure of polyolefin plexifilamentary film-fibril strand by flash spinning is proposed. (For example, refer to Patent Document 1).
However, there is a problem that an ultra-fine high-strength filament must be manufactured by a special manufacturing method called a flash spinning method, and the manufacturing apparatus is expensive and complicated.
Furthermore, in Patent Document 1, Tyvek (registered trademark) manufactured by EI DuPont is cited as a material, but such a special and expensive material is difficult to obtain, and a book that tries to reuse resources. It had problems that were not suitable for the purposes of the invention.
JP-A-8-238466

The present invention has been made to eliminate the above-mentioned drawbacks of the prior art. The object of the present invention is to eliminate the problem that a broken needle remains in the needle felt. Therefore, it is not necessary to take out the needle from the hand.
In addition, the broken needle is shipped in the state where it remains in the needle felt, and when this is used as a protective mat for the water shielding sheet, the problem that the needle breaks the water shielding sheet is eliminated. It is to provide a protective mat that does not flow out.
It is another object of the present invention to provide a non-woven fabric that does not have a problem that the needles that are broken and remain in the needle felt damage the hand of the person handling the non-woven fabric.
Further, there is provided a non-needle felt, a non-needle felt manufacturing apparatus and a manufacturing method which can be manufactured even by a small-scale factory or company by eliminating the problem that the manufacturing apparatus of the invention described in Patent Document 1 is expensive and complicated. It is to provide.
Further, the present invention provides a non-needle felt, a non-needle felt manufacturing apparatus, and a manufacturing method that eliminates the problem that it is difficult to obtain the raw material of the invention using a special and expensive material and makes it possible to manufacture resources collected by recycling as raw materials. There is.
Furthermore, in the case of a non-needle felt formed by heating and compressing a fiber layer mixed with a binder as a test, the end part is easy to peel off between the layers, and when it begins to peel at one end part, However, it is an object of the present invention to provide a non-needle felt, a non-needle felt manufacturing apparatus, and a manufacturing method that do not cause such peeling.

The present invention uses a mixed fiber such as polypropylene, acrylic, nylon and cotton mainly composed of polyester as a raw material, and heats and compresses a fiber layer mixed with a binder therein to produce a non-needle felt. The non-needle felt, the non-needle felt manufacturing apparatus and the manufacturing method are characterized by being subjected to peeling prevention processing.
The present invention is a non-needle felt or the like having an anti-peeling process at its end, but in addition to the end, the entire nonwoven fabric has a large lattice shape, parallel lines, or dots at appropriate intervals. It is also preferable to use a non-needle felt that has been subjected to an anti-peeling process.

Since the present invention is a non-needle felt manufactured without using a needle, and a manufacturing apparatus and a manufacturing method for such a non-needle felt, there is no problem that a broken needle remains in the nonwoven fabric, and the meter reading operation by the meter reader and the nonwoven fabric The operation of taking the needle out of the hand by hand could be made unnecessary.
In addition, the broken needles will not be shipped in the state of remaining in the non-woven fabric, which eliminates the problem that the needle breaks the waterproof sheet when it is used as a protective mat for the waterproof sheet, and contains harmful substances. It was possible to provide a protective mat that would not allow sewage to flow out.
Furthermore, the problem that the needles that were broken and remained on the needle felt damaged the hand of the person handling the nonwoven fabric could be eliminated.
Further, the non-needle felt, the non-needle felt manufacturing apparatus, and the manufacturing method which can be manufactured even in a small-scale factory or company without the problem that the manufacturing apparatus of the invention described in Patent Document 1 is expensive and complicated. Could be provided.
Further, a non-needle felt, a non-needle felt manufacturing apparatus and a manufacturing device that can be manufactured by using a resource recovered by recycling as a raw material, eliminating the problem that the raw material of the invention of Patent Document 1 using a special and expensive material is difficult to obtain. Could provide a way.
Furthermore, the non-needle felt formed simply by heating and compressing the fiber layer mixed with the binder, the end of which easily peels between the layers, and when the peeling starts at one end, the peeling progresses over time. Thus, it was possible to provide a non-needle felt, an apparatus for manufacturing the non-needle felt, and a method for manufacturing the non-needle felt that do not cause peeling.

The invention of claim 1 is a non-needle felt formed by heating and compressing a fiber layer mixed with a low-melting fiber or a high-melting fiber as a binder, and after cutting to an arbitrary width, Use a non-needle felt with anti-peeling treatment.
Polyethylene (melting point: about 90 ° C.) is preferable as the low melting point fiber binder, and polypropylene (melting point: about 160 ° C.) or polyester (melting point: about 200 ° C.) is preferable as the high melting point fiber binder. As a method for heating the fiber layer, there are methods such as passing through a heating furnace or applying infrared rays or hot air.
The main raw material of the non-needle felt is polyester and has a melting point of about 250 degrees C. Therefore, the heating temperature is a temperature at which the binder is melted, and heating is performed until the temperature becomes 90 to 200 ° C. as a temperature at which the main raw material polyester does not melt.
As a method of compressing the fiber layer, a method using a press, a method of compressing by passing between two rollers, a method of sending while compressing by a net conveyor, and the like are preferable.
As a method for applying an anti-peeling process to the end, a method in which the end is heated and compressed, a method in which the end is sewn, a method in which an adhesive is applied to the end, and the like are preferable.
The invention of claim 2 is a non-needle felt obtained by heating and compressing a fiber layer mixed with a binder, and after the anti-peeling process is performed on the portion to be cut in advance, the anti-peeling process is performed. The cut portion is a non-needle felt.
The part to be cut is preheated and compressed, or it is sewn or coated with an adhesive to prevent peeling, and then the part that has undergone isolation prevention is cut to prevent peeling at the end. It is a non-needle felt that has been processed.
The invention of claim 3 is the non-needle felt according to claim 1 or claim 2, wherein the cut end portion or the portion to be cut is heated and compressed to perform peeling prevention processing. Use non-needle felt.
After the non-needle felt is manufactured, it is cut and heated at the end to compress it, or the part to be cut is preheated and compressed before cutting to improve the adhesion between the layers at the end In addition, the present invention provides a non-needle felt that does not cause delamination between layers by preventing delamination between layers generated at the end.
As a method of heating the end portion of the non-needle felt, a method of irradiating far infrared rays or a method of blowing hot air is preferable. As a compression method, a method using a press machine or a method of passing between a pair of mold rollers is preferable.
The invention according to claim 4 is the non-needle felt according to claim 3, wherein the cut end portion or the portion to be cut is heated by blowing hot air and compressed by a pair of mold rollers having a plurality of protrusions. By doing so, a non-needle felt with anti-peeling processing is obtained.
This is because the method of blowing hot air is preferable because the manufacturing apparatus is simple, inexpensive, compact, and has high thermal energy efficiency. In addition, the method of compressing with a pair of mold rollers having a plurality of protrusions can perform peeling prevention processing without losing elasticity as a whole, and is excellent in that the apparatus is simple and suitable for mass production. It is.

The invention of claim 5 is a non-needle felt manufacturing apparatus having a laminated fiber supply device, a heat compression molding device, a cutter, a peeling prevention processing device, and a sharing device.
The laminated fiber supply device only needs to have a function of laminating raw material fibers and sending them to a heat compression molding device. The heat compression molding apparatus may be any apparatus that has a function of forming a non-needle felt by heating and compressing the laminated raw material fibers to dissolve the binder and exhibit an adhesive function.
The heat compression molding apparatus is a device that compresses while heating, a device that heats while compressing, a device that compresses immediately after heating, or the like, and obtains a high adhesive force by compressing the molten binder before it hardens.
The cutter is for cutting off both ends of the molded non-needle felt or cutting it to an arbitrary width, and a cutter that rotates a circular plate having a blade on the outer periphery or a polygonal plate such as a hexagonal or octagonal shape is preferable.
As the peeling prevention processing apparatus, a heating and compressing apparatus, a sewing apparatus, an apparatus for applying an adhesive, and the like are preferable. Any sharing device may be used as long as it has a function of shearing the front and rear ends of the non-needle felt.
A sixth aspect of the present invention is the non-needle felt manufacturing apparatus according to the fifth aspect, wherein the non-needle felt manufacturing apparatus is an anti-peeling processing apparatus for processing an end portion after the anti-peeling processing apparatus cuts with a cutter.
If it is set as the structure which carries out peeling prevention processing of the edge part after cut | disconnecting, it can be set as a non-needle felt manufacturing apparatus with a simple and cheap apparatus.
The invention according to claim 7 is the non-needle felt manufacturing apparatus according to claim 5, wherein the anti-peeling processing apparatus is configured to process a portion to be an end portion by cutting with a cutter. A manufacturing device.
In the case where cutting is performed after the part that is to be the end part in advance is subjected to anti-peeling processing, it is preferable to perform the anti-peeling process strongly so that the end part after cutting is not delaminated by the force during cutting.
According to an eighth aspect of the present invention, in the non-needle felt manufacturing apparatus according to any one of the fifth to seventh aspects, the delamination preventing processing apparatus has an upper nozzle that blows hot air on the upper surface, a lower nozzle that blows hot air on the lower surface, and an outer periphery. A non-needle felt manufacturing apparatus which is a peeling prevention processing apparatus having a pair of mold rollers provided with a plurality of protrusions.
When the feed rate is low, the temperature of the hot air is set low, and when the feed rate is fast, the temperature is set high. Depending on the type of binder, for example, when low-melting fiber is used and the feed rate is set to about 0.5 m / second, hot air of 100 ° C. may be blown. When it is set to about 8 m / second, hot air of 500 degrees C may be blown.
This is because the above-mentioned hot air of 100 ° C. to 500 ° C. is suitable for heating the non-needle felt until the binder melts and the temperature of 90 ° C. to 200 ° C., which is the temperature at which the main raw material polyester does not melt.
The invention according to claim 9 is the non-needle felt manufacturing apparatus according to claim 6, wherein the peeling prevention processing device is an upper nozzle that blows hot air on the upper surface, a lower nozzle that blows hot air on the lower surface, and a horizontal nozzle that blows hot air from the side on the end surface And a non-needle felt manufacturing apparatus which is a peeling prevention processing apparatus having a pair of mold rollers provided with a plurality of protrusions on the outer periphery.
If the non-needle felt is thin and the feed rate is slow, it is only necessary to blow hot air on the top and bottom surfaces. However, if the non-needle felt is thick and the feed rate is fast, the temperature at the center should be raised sufficiently. Therefore, a horizontal nozzle is attached to increase the temperature of the central part to an appropriate temperature.

A tenth aspect of the present invention is a waste disposal site having a layer in which a water shielding sheet is sandwiched between protective mats, wherein the protective mat is a non-needle felt according to any one of the first to fourth aspects. A waste disposal facility.
By sandwiching the water shielding sheet with a protective mat that does not enclose the needle, the problem of the needle contained in the protective mat breaking through the water shielding sheet is eliminated, and a waste disposal site where sewage containing harmful substances does not flow out is provided. Because it can be done.
The invention according to claim 11 is a process of supplying a fiber layer by a laminated fiber supply device, heating and compressing the fiber layer to mold a non-needle felt, and cutting the non-needle felt into an arbitrary width as appropriate. It is set as the manufacturing method of the non-needle felt which has a process and the process of giving a peeling prevention process to the cut | disconnected edge part.
The present invention provides a method for producing a non-needle felt that does not cause delamination by forming a non-needle felt and then cutting off both ends or simultaneously cutting it to an arbitrary width and then applying an anti-peeling process to the end.
As a method of applying an anti-peeling process to the end, a method of heating and compressing the end, a method of sewing the end, a method of applying an adhesive to the end, and the like are preferable.
The invention of claim 12 includes a step of supplying a fiber layer by a laminated fiber supply device, a step of heating and compressing the fiber layer to form a non-needle felt, and a step of performing an anti-peeling process on a portion to be cut And a method for producing a non-needle felt having a step of cutting the part subjected to the anti-peeling process.
After molding the non-needle felt, a method for manufacturing a non-needle felt that does not cause delamination by cutting off both ends or cutting to an arbitrary width after performing anti-peeling processing on the part to be cut in advance To do.
As a method of applying an anti-peeling process to the end, a method of heating and compressing the end, a method of sewing the end, a method of applying an adhesive to the end, and the like are preferable.
Invention of Claim 13 is the manufacturing method of the non-needle felt in any one of Claim 11 or Claim 12, Comprising: The manufacturing method of the non-needle felt which is a process which heats and compresses the process of performing peeling prevention processing And
After manufacturing the non-needle felt, the end or the cut part that should become the end is heated and compressed to improve the adhesion between the layers at the ends and prevent delamination that occurs at the ends. Thus, a method for producing a non-needle felt that does not cause delamination between layers is provided.
As a method of heating the end portion of the non-needle felt or the cut portion to be the end portion, a method of irradiating far infrared rays or a method of blowing hot air is preferable. The compressing method is preferably a method using a press or a method of passing between a pair of mold rollers.
The invention of claim 14 is the method of manufacturing a non-needle felt according to claim 13, wherein the step of preventing peeling is heated by blowing hot air and compressed by a pair of mold rollers having a plurality of protrusions. It is set as the manufacturing method of the non-needle felt which is a process.
This is because the method of blowing hot air is preferable because the manufacturing apparatus is simple, inexpensive, compact, and has high thermal energy efficiency. In addition, the method of compressing with a pair of mold rollers having a plurality of protrusions can perform peeling prevention processing without losing elasticity as a whole, and is excellent in that the apparatus is simple and suitable for mass production. It is.

A non-needle felt manufacturing apparatus 10 according to a first embodiment of the present invention will be described below with reference to FIGS. The non-needle felt manufacturing apparatus 10 of Example 1 includes a laminated fiber supply device 11, a heat compression molding device 12, a cutter 4, a peeling prevention processing device 17, a conveying device 16, a sharing device 14, and the like.
The laminated fiber supply device 11 is configured such that the wood 11b is attached to the belt of the belt conveyor 11a. When the fiber layer 15 is fed into the heat compression molding apparatus 12, the frictional resistance coefficient between the belt conveyor 11a and the fiber layer 15 is increased, and the fiber layer 15 is pushed in with a strong force.
The heat compression molding apparatus 12 is a net conveyor having an inclined portion 12a and a plurality of hot air nozzles 12d and configured to be vertically movable, a lower conveyor 12c being a net conveyor having a collection hood 12e, It was configured with a hot air blast recovery device that does not.
The cutter 4 is composed of a plurality of rotating disks having blades on the outer periphery thereof, and each rotating disk is attached so that it can be moved up and down, and both ends of the non-needle felt 9 are cut off, or the non-needle felt 9 is appropriately cut to an arbitrary width. Made it possible.
The anti-separation processing device 17 is illustrated with an upper nozzle 6 above the upper end surface 9a of the non-needle felt 9, a lower nozzle 7 below the lower end surface 9b, and a lateral nozzle 8 outside the end surface 9c. It connected to the hot air blower which does not carry out, and also set it as the structure which provided the pair of type | mold roller 5 which has several protrusion 5a.
The conveying device 16 is a belt conveyor, and the belt conveyor is arranged at intervals so as not to interfere with the cutter 4, the peeling prevention processing device 17, and the sharing device 14. The sharing device 14 is configured to raise and lower the blade to cut the non-needle felt 9 into a predetermined length.

Although Example 1 was configured as described above, a method of manufacturing non-needle felt 9 using non-needle felt manufacturing apparatus 10 of Example 1 will be described below.
The main component of the fiber layer 15 as a raw material is polyester (melting point: about 250 ° C.), but when recycled raw materials are used, polypropylene, acrylic, nylon, cotton, and the like are mixed.
As a binder, a fiber layer 15 in which polyethylene belonging to a low melting point fiber (melting point: about 90 ° C.), polypropylene belonging to a high melting point fiber (melting point: about 160 ° C.), polyester having a melting point of about 200 ° C., and the like are mixed. To do.
The fiber layer 15 is fed into the heat compression molding device 12 by the laminated fiber supply device 11, and is sandwiched between the inclined portion 12a of the upper conveyor 12b and the lower conveyor 12c and is conveyed while being gradually compressed. Since the upper conveyor 12b can be moved up and down, if it is set at a position corresponding to the thickness of the non-needle felt 9 to be manufactured in advance, the fiber layer is conveyed while being compressed to a desired thickness.
While the fiber layer is conveyed while being compressed by the heat compression molding apparatus 12, the fiber layer receives hot air blown from a plurality of hot air nozzles 12d. After passing through the fiber layer, the hot air is recovered by the recovery hood 12e, heated, and supplied to the hot air nozzle 12d again.
The temperature of the hot air is appropriately set within a range of 100 to 500 degrees C. For example, when polyethylene is used as the binder and the feed rate is set to a low speed of about 0.5 m / second, hot air of 100 ° C. is blown, and the polyester having a melting point of about 200 ° C. is used as the binder. When setting to a high speed of about 8 m / sec, hot air of 500 degrees C is blown.
The melting point of polyester, which is the main raw material of non-needle felt, is about 250 degrees C. This is because the heating temperature is a temperature at which the binder is melted, and the fiber layer is heated to 90 to 200 ° C. as a temperature at which the main raw material polyester does not melt.

The non-needle felt 9 already molded by the heat compression molding device 12 is cut off at both ends by the cutter 4 or cut to an arbitrary width while proceeding in the advancing direction 10a, and then is peeled to the end by the peeling prevention processing device 17. A peeling prevention process is performed.
In the peeling prevention processing device 17, hot air is blown from the upper nozzle 6 and the lower nozzle 7 when the thickness of the non-needle felt 9 is 5 mm or less, but when the thickness of the non-needle felt 9 exceeds 5 mm, the upper nozzle 6. Then, hot air is blown from the lower nozzle 7 and the horizontal nozzle 8.
The temperature of the hot air is appropriately set within a range of 100 to 500 degrees C. For example, when polyethylene is used as the binder and the feeding speed is set to a slow speed of about 0.5 m / second, hot air of 100 ° C. is blown, but polyester having a melting point of about 200 ° C. is used as the binder and the feeding speed is set. Is set to a high speed of about 8 m / sec, hot air of 500 degrees C is blown.
Then, the pressure is passed through a pair of mold rollers 5 having a plurality of protrusions 5a. In the first embodiment, since the protrusion 5a is provided, the protrusion portion is strongly compressed and strongly bonded, and the portion without the protrusion is rich in elasticity, and the anti-peeling process is performed without losing elasticity as a whole. This is because it becomes possible.
The non-needle felt 9 whose end portion is subjected to peeling prevention processing by the heat compression molding device 12 was cut by the sharing device 14, the long one was taken up by the take-up device, and the short one was cut. It becomes a product in the state.

A second embodiment of the present invention will be described below with reference to FIG. The waste disposal site 1 of Example 2 has a configuration in which two water shielding sheets 3 are sandwiched between three protective mats 2.
A sheet of polyethylene, polyvinyl chloride, rubber or the like is used as the water shielding sheet 3, and a long non-needle felt according to the present invention is used as the protective mat 2.
Heavy waste machines such as dump trucks, bulltozers, excavators, etc. that transport heavy objects are operating in the waste disposal site 1. However, if the non-needle felt 9 according to the present invention is used for the protective mat 2, the weight is increased. The water shielding sheet can be protected from heavy machine load and impact of falling waste.
In addition, the protection mat 2 that does not contain needles eliminates the problem that the needles contained in the protection mats break through the water-impervious sheet that occurs when needle felt is used, so that wastewater containing harmful substances does not flow out. We were able to provide a waste disposal facility.

  The present invention is not only used in the industry that manufactures and sells non-needle felt and the industry that manages waste disposal sites, but also in the civil engineering industry by protecting mats for rivers and revetments, such as herbicides and vegetation sheets It is used as a greening material in the greening industry, as a home appliance part such as an air conditioner, and in the bedding industry as a cushioning material for bedding such as mattresses and beds.

It is a front view of a non-needle felt manufacturing apparatus. It is a fragmentary perspective view of a peeling prevention processing apparatus. It is a fragmentary sectional view of a waste disposal site.

Explanation of symbols

1: Waste disposal site 2: Protective mat 3: Water shielding sheet 4: Cutter 5: Mold roller 5a: Protrusion 6: Upper nozzle 7: Lower nozzle 8: Horizontal nozzle 9: Non-needle felt 9a: Upper end surface 9b: End Part lower surface 9c: End face 10: Non-needle felt manufacturing apparatus 10a: Traveling direction 11: Laminated fiber supply apparatus 11a: Belt conveyor 11b: Wood 12: Heat compression molding apparatus 12a: Inclined part 12b: Upper conveyor 12c: Lower conveyor 12d: Hot air Nozzle 12e: Recovery hood 14: Sharing device 15: Fiber layer 16: Conveying device 17: Peeling prevention processing device

Claims (14)

  A non-needle felt formed by heating and compressing a fiber layer mixed with a binder, wherein the non-needle felt is subjected to an anti-peeling process on the cut end after being cut to an arbitrary width. .   It is a non-needle felt formed by heating and compressing a fiber layer mixed with a binder, and after the anti-peeling process has been performed on the part to be cut in advance, the part subjected to the anti-peeling process has been cut Characteristic non-needle felt.   3. The non-needle felt according to claim 1, wherein the non-needle felt is subjected to an anti-peeling process by heating and compressing a cut end portion or a portion to be cut. felt.   The non-needle felt according to claim 3, wherein the cut end portion or the portion to be cut is heated by blowing hot air, and compressed by a pair of mold rollers having a plurality of protrusions to prevent peeling. Non-needle felt characterized by having applied.   A non-needle felt manufacturing apparatus comprising: a laminated fiber supply device, a heat compression molding device, a cutter, a peeling prevention processing device, and a sharing device.   6. The non-needle felt manufacturing apparatus according to claim 5, wherein the anti-peeling processing apparatus is an anti-peeling processing apparatus for processing an end portion after being cut by a cutter.   6. The non-needle felt manufacturing apparatus according to claim 5, wherein the anti-peeling processing apparatus is an anti-peeling processing apparatus for processing a portion that is to be an end by cutting with a cutter. .   The non-needle felt manufacturing apparatus according to any one of claims 5 to 7, wherein the peeling prevention processing device is provided with an upper nozzle that blows hot air on the upper surface, a lower nozzle that blows hot air on the lower surface, and a plurality of protrusions on the outer periphery. A non-needle felt manufacturing apparatus, which is an anti-peeling processing apparatus having a pair of mold rollers.   The non-needle felt manufacturing apparatus according to claim 6, wherein the peeling prevention processing device has an upper nozzle that blows hot air on the upper surface, a lower nozzle that blows hot air on the lower surface, a horizontal nozzle that blows hot air from the side on the end surface, and a plurality of protrusions on the outer periphery. A non-needle felt manufacturing apparatus, which is an anti-peeling processing apparatus having a pair of mold rollers provided.   A waste disposal site having a layer in which a water shielding sheet is sandwiched between protective mats, wherein the protective mat is the non-needle felt according to any one of claims 1 to 4. Place.   Supplying a fiber layer by a laminated fiber supply device, heating and compressing the fiber layer to form a non-needle felt, cutting the non-needle felt into an arbitrary width, and the cut end And a step of performing anti-peeling processing on the part.   A step of supplying a fiber layer by a laminated fiber supply device, heating and compressing the fiber layer to form a non-needle felt, performing a peeling prevention process on a portion to be cut, and the peeling prevention process. And a step of cutting the applied portion. A method for producing a non-needle felt.   13. The method of manufacturing a non-needle felt according to claim 11, wherein the step of performing the anti-peeling process is a step of heating and compressing. 14. The method of manufacturing a non-needle felt according to claim 13, wherein the step of performing the anti-peeling process is a step of blowing and heating with hot air and compressing with a pair of mold rollers having a plurality of protrusions. Non-needle felt manufacturing method.

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