JPH11130053A - Folding type paper packing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a folding type paper packing obtained by further improving a styrene foam packing substitute. SOLUTION: As to the folding type packing, roughly rectangular parallelepiped packings 201, 202 having a fitting recess S for inserting and fitting the side end part of a packed article in one face can be folded up from a sheet of corrugated paper. The corrugated paper is folded in a square gutter shape having a facing side wall 2 and a bottom face 1 making a fitting recess S, and comprises a main piece part provided with a folding line and a notch for folding up a band shaped fin piece 3 to project outward at the top edge of the facing side face wall 2, and a subordinate piece part provided with a folding line and a notch for folding and forming at right angle to the facing side face wall 2, facing end face walls 5, 25 which are connected continuously with the side end of the main piece part through a folding line, form a fitting recess, and elastically support the fitting recess. At the top edge side of the facing end face wall, a notch for fitting a fitting recess is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The outer shape forms a substantially rectangular parallelepiped, and on one surface thereof, is folded into a form having a fitting concave portion for inserting and fitting the side end of the packaged article and supporting it in a buffered state, and is an alternative to the conventional packing made of polystyrene foam. The present invention relates to a foldable packing made of paper.

[0002]

2. Description of the Related Art For packing an article which is sensitive to an impact, such as a home facsimile or a video deck, in a cardboard box, conventionally, this end is inserted into both ends of the packed article. A method of fitting a set of styrofoam packing having a recess has been generally performed. However,
Styrofoam packing is bulky and inconvenient for storage and transportation. If burned after use, it will damage the incinerator or generate harmful gas, and is not suitable for landfill.

[0003] Alternatively, a paper packing in which a plurality of cardboard pieces are laminated in a required block shape has been used.
However, this packing made of paper is not preferable because it is bulky, has poor cushioning properties, and requires too much time to manufacture. Therefore, the applicant of the present application has long been able to assemble a folding paper packing having a cushioning performance equal to that of a conventional styrofoam packing simply by bending one corrugated cardboard along a crease. Inventing technology, and then responding to various demands of customers,
We have been constantly improving our products.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide an alternative to the above-mentioned styrofoam packing according to the inventor's invention, and to simplify the assembly structure or further improve the cushioning performance. It is an object of the present invention to provide a folding packing made of paper.

[0005]

In order to achieve the above-mentioned object, a paper folding packing according to the present invention has a substantially rectangular parallelepiped outer shape formed by a single corrugated cardboard 101, 102, and is provided on one surface thereof. , Fitting recess S for inserting the side end portion of the packaged article
The cardboards 101 and 102 are bent into a square gutter shape having the opposing side walls 2 and the bottom surface 1 constituting the fitting recess S. At the same time, main pieces 51 and 61 provided with folds and cuts for folding up the band-shaped fin 3 on the upper edge of the opposing side wall 2 so as to protrude outward, and the main piece 51 , 61 are connected to each other via a fold to form the fitting recess S, and serve to bufferly support the fitting recess S. 2 and sub-pieces 52 and 62 provided with folds and cuts for bending in the direction orthogonal to the second. The fitting recess S is fitted to the upper edge side of the opposed end face walls 5 and 25. Notches were provided. The sub-piece portion 52 may be provided with folds and cuts for forming the overlapped fin pieces 7 and the overlapped side wall 8 to be overlapped with the fin pieces 3 and the opposing side wall 2 respectively. In addition, the sub-piece portion 62 is provided with a fold for forming a small angle gutter shape in a direction orthogonal to the facing side wall 2,
One end of the small-angle gutter-shaped bottom surface 27 is connected to the main piece portion 61 through the fold line Q, and one side wall surface of the small-angle gutter shape is the opposing end wall 25, and a notch for fitting the fitting recess S is formed. The other side wall provided may be a buffer rib 26. Then, in order to fix the state in which the sub piece 62 is covered on the back surface of the main piece 61 bent into the predetermined shape, a small angle gutter-shaped bottom 27 is provided on the side end of the fin piece 3. , Fin pieces 3
It is preferable to connect a fixing piece 18 to be sandwiched between and via a fold line. Further, a square tube forming piece 15 bent into an L shape is connected to the fin piece 3 via a fold line so that the small square tube portion V is formed in cooperation with the opposing side wall 2 and the fin piece 3. Good. A polymer piece 28 that is superposed on the buffer rib 26 may be connected to the buffer rib 26. Alternatively, a corner notch e may be provided at a position where the facing end face wall 25, the buffer rib 26, and the like come into contact with a corner or a ridge in the packing box of the packing article. or,
At the front and rear edges of the main piece 61, the buffer / reinforcement pieces 21 are provided.
It is good to be provided continuously through a fold for two folds.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment in which the present invention is applied to packing for packing a home facsimile will be described below with reference to FIGS. As shown in FIG. 4, the outer shape of this embodiment is a substantially rectangular parallelepiped, and on one surface thereof, there is provided a fitting recess S for inserting and fitting a side end of a packaged article (not shown) for buffering support. The packing 201 can be easily and quickly folded from the single cardboard 101 shown in FIGS. 1 and 2.

The corrugated cardboard 101 is provided with a number of folds and cuts for folding the cardboard into the above-mentioned shape. As shown in FIG. 1, the substantially rectangular corrugated cardboard 101 has a form in which a main piece 51 on the right side of the figure and a sub piece 52 on the left side are integrally connected via a main fold A. . The main piece 51 mainly serves to form the fitting concave portion S, and the sub piece 52 mainly
It plays the role of buffering and supporting the fitting recess.

As shown in FIG. 4, the main piece portion 51 has a square trough-shaped fitting recess S having a bottom surface 1 and opposed side walls 2 and 2.
Each of the fins 3 for projecting outward from the upper edge of the opposing side wall 2 has a band-like fin piece 3 for buffering.
Parallel folds B and C of the strip are provided. These folds are absent near the edge a of the front and rear (up and down in FIG. 1) of the main piece 51.

The front ends and the rear ends of the parallel folds B and C are connected by slit-shaped cuts 4 respectively. These cuts 4 also lack cuts at intermediate positions. Further, as shown in FIG. 4, the band-shaped portion sandwiched between the cut 4 and the edge a is bent at its intermediate portion to form a square gutter-shaped recessed portion b. The part is provided with a total of four parallel folds D. The bottom surface 1 is provided with a finger hole c.

On the other hand, the sub piece 52 is provided with erecting folds E, E on the extension of each of the cuts 4 of the main piece 51, and the upper and lower outer portions thereof are opposed end face walls 5, 5. . On both opposing end face walls 5, a square notch 6 having an area slightly smaller than the cross-sectional area of the recessed portion b is provided at a portion facing the recessed portion b with the packing 201 folded up.

In the portion between the two folds E, E, the overlapped fin pieces 7 are polymerized on the respective fin pieces 3 of the main piece portion 51, and the overlapped fin pieces 7 are polymerized on the outer side surfaces of the opposite side walls 2, respectively. The overlapping side wall 8 is formed. To this end, the outside portions of the standing folds F provided at predetermined distances from the left and right ends of the rectangular area sandwiched between the both standing folds E, E are formed as overlapped fin pieces 7, respectively.

An H-shaped cut 9 is provided in the rectangular area surrounded by each set of folds E and F such that both legs overlap the fold E, and the inner portions of both folds F are respectively overlapped with side faces. The wall 8 is used. The height dimension of the overlapping side wall 8 and the opposing end wall 5 is slightly higher than the opposing side wall 2 as shown in FIG.

In order to easily, quickly and surely fold the packing 201 from the corrugated cardboard 101, each fold has a folding habit in a predetermined direction.

Next, the packing 20 is removed from the cardboard 101.
The procedure for folding 1 will be described with reference to FIG. First, each of the parallel folds B and C of the main piece 51 is bent at a right angle in a predetermined direction to form a square trough-shaped fitting recess S as shown in FIG.

Subsequently, as shown in FIG. 3, each overlapped side wall 8 is bent at right angles in a direction opposite to the opposed side wall 2 along the fold line F for standing, and each of the opposed end wall 5 is formed.
Is bent at a right angle in the same direction as the overlapping end wall 8.

Thereafter, as shown by an arrow in FIG. 3, when the sub-piece 52 is bent 180 degrees along the main fold A toward the sub-piece 52 as shown by the arrow in FIG. The piece 52 is covered on the back side of the main piece 51, and the edge of the opposite end wall 5 is inserted into the cut 4. by this,
The folded form of the packing 201 provided with the fitting recess S is firmly fixed. In this way, it is extremely simple
On the lower surface of the fin piece 3 of the main piece part 51 of the packing 201 that has been quickly folded, the overlapped fin piece 7 of the sub piece part 52 abuts. Is in a state where the overlapping side walls 8 are in contact with each other.

In this folded state, the bottom surface 1 of the fitting recess S is slightly lifted from the bottom end of the packing 201 as shown in FIG. That is, the fitting recess S is suspended and supported by the overlap side wall 8 and the facing end wall 5 in a buffered manner. From the upper edge of the peripheral wall of the fitting recess S, the fin pieces 3 and the overlapped fin pieces 7 serving as buffer ribs protrude outward.

For this reason, when packing goods are packed in a cardboard box, fitting recesses S of the packing 201 are fitted and placed on both side ends of the packing goods, respectively, during handling and transport of the packing box. In addition, it is possible to effectively and reliably attenuate all strong impact forces that may be applied from all directions.
In the packing box, a pair of packings 201, 201 for sandwiching the packaged article from the left and right sides are provided with respective fitting recesses S.
Are arranged side by side.

Next, a second embodiment of the present invention will be described with reference to FIGS.
1 will be described. The main difference between the packing 202 of this embodiment, which is folded from one piece of corrugated cardboard 102 shown in FIGS. 6 and 7 into the form shown in FIGS. The buffer structure surrounding the concave portion S is further strengthened.

First, the form of the cardboard 102 will be described in detail. The corrugated cardboard 102 has a configuration in which a main piece 61 on the right side and a sub piece 62 on the left side in FIG. 6 are integrally connected via two folds Q in this case, similarly to the cardboard 101. Have. The main piece 61 mainly forms the fitting recess S, and the sub piece 62 mainly plays a role of buffering and supporting the fitting recess S.

As shown in FIGS. 8 and 10, the main piece 61 is bent into the shape of a trough-shaped fitting recess S having a bottom surface 1 and opposing side walls 2 and 2. On each upper edge of the side wall 2, each of the two pieces for projecting the band-shaped fin pieces 3 outwardly.
The parallel folds B and C of the strip are provided except for near both edges a of the front and rear (up and down in FIG. 6) of the main piece 61.

The front ends and the rear ends of the parallel folds B and C are connected by slit-shaped cuts 4, respectively. Each of the cuts 4 also lacks a cut at an intermediate position. Further, as shown in FIG. 10, a short-angle gutter-shaped recessed portion b is formed in the middle of the band portion sandwiched between the cuts 4 and the edge a, so that the band portion has Four parallel folds D are provided. Thereby, each fin piece 3
Has a vertically long U-shape as if both ends were bent into an L shape.

Further, as shown in FIG. 10, in order to form a recessed portion d corresponding to the shape of the packaged article on a part of one of the opposed side wall surfaces 2, as shown in FIG. A slit-shaped cut 10 having a predetermined length is provided in parallel at a predetermined interval so as to straddle the left opposing side wall 2 and the fin piece 3 and the bottom surface 1. Parallel fold G, G
Are tied together.

In the left fin 3, a U-shaped cut 12 for forming the protruding piece 11 in a cut and raised shape is provided with a fold G
It is provided so as to be in contact with. On the other hand, on the right fin piece 3,
A flat U-shaped cut 14 for forming an insertion hole 13 (see FIG. 10) into which the protruding piece 11 is inserted is provided so as to be in contact with the fold C.

Further, the fin piece 3 on the right side
Is bent downward in an L-shape, and is provided with a fold H for forming a small square tube portion V as shown in FIG. Forming piece 15
They are connected via a fold I. An engaging projection 15a is provided on the right end of the square tube forming piece 15, and a locking projection 16 for engaging the locking projection 15a is provided on the adjacent facing side wall 2 as shown in FIG. A U-shaped cut 16a for forming an insertion hole (not shown) in a cut and raised shape is formed at a predetermined interval.
It is provided in the place.

In the vicinity of both ends of the opposing side wall 2 on the right side in FIG. 6, a locking projection 17 serving to keep a buffering rib 26 described later in an upright state is formed in a cut-and-raised shape. Each of the character-shaped cuts 17a is provided so as to be in contact with the fold B.

On the right fin 3, fixing pieces 18 are connected via folds J at two places near both ends of the edge thereof.
It is designed to be folded on the back side of the fin pieces 3. The fixing piece 18 is for fixing the folded form of the packing 202 as described later. This fixing is performed by inserting the protrusion 18a protruding from the fixing piece 18 into the insertion hole 19 provided in the adjacent opposing side wall 2. The fixing piece 18 is provided with a notch 18b for locking, and a polymer piece 20 to be superimposed on a later-described opposed end face wall 25 is continuously provided through a fold K at a side end thereof.

Further, the front and rear edges a of the main piece portion 61 are bent into an L shape at the fold line L, and applied to the outer surface of the opposed end wall 25 as shown in FIGS. The cushioning / reinforcing pieces 21 are connected to each other via a fold line M. Then, in order to fix a part of the buffer / reinforcement piece 21 on the back side of the fin piece 3 in a superposed state, a projection 21 a provided on the buffer / reinforcement piece 21 is provided.
Can be inserted into the insertion hole 22 (see FIG. 6) provided in the facing end face wall 25.

Next, the structure of the sub-piece 62 will be described. As shown in FIGS. 10 and 11, the sub-piece portion 62 has the opposite end wall 25 that performs the same function as the opposite end wall 5 of the first embodiment.
And a buffer rib 26 applied to the outer periphery of the fitting concave portion S.

As shown in FIG. 6, the sub-piece 62 is vertically divided into two parts, one half 62A and the other half 62B. Have.
At a position near the upper end of the half portion 62A, the half portion 62A
Are bent at a predetermined interval to bend the groove into a small angle gutter shape in a direction orthogonal to the longitudinal direction of the fitting concave portion S (to the opposite side wall 2). The upper part of the upper parallel fold N becomes the opposing end face wall 25, the part between the two parallel folds N, N becomes the bottom surface 27 of the gutter, and the lower part from the lower parallel fold N becomes the overlapping piece 28. Crease O
The cushioning ribs 26 are connected via the.

Notches 30, 31 and 32 are provided in the opposed end wall 25, the cushion rib 26 and the overlapping piece 28 to prevent interference with the fitting recess S. Also, the connecting portion 27 is provided with a notch for forming a pair of overlapping pieces 33, 33, which abut against the outer side surfaces of both side walls of the fitting recess S while avoiding interference with the fitting recess S. 34 and one set of folds P,
P is provided.

Further, in the assembled state of the packing 202, corner notches e are provided at the lower end corners of the opposing end wall 25, the cushioning rib 26 and the overlapping piece 28, and each corner is cut out. I am doing it.

The other half portion 62B is substantially the same shape as the one half portion 62A in a symmetrical shape so that both portions can perform the same function. And the first half 62A, the other half 62B,
The right end of each bottom surface 27 is connected to the main piece 61 via the fold line Q.
To the left edge. The folds of the corrugated cardboard 102 are previously provided with a fold in a predetermined bending direction.

Next, the packing 20 is removed from the cardboard 102.
The procedure for folding up 2 will be described. First, as shown in FIG. 8, the main piece 61 is bent along two parallel folds B and C to form a square trough-shaped fitting recess S.

Next, the half part 62 constituting the sub-piece part 62
As shown in FIG. 8, each of A and the other half 62B is bent into a small angle gutter shape along the parallel folds N, N, and the overlapped piece 28 is folded in two along the fold O to form a buffer. Rib 26
Polymerize on the inner surface of

Next, as shown in FIG. 8, the folded small gutter-shaped portions are directed along the right-hand fold lines Q toward the back side of the fitting recess S which has been folded. Fold it in two,
This back surface is covered (see FIG. 9). Along with this, the edge of the opposing end wall 25 is inserted into the cut 4, and between the opposing end wall 25 and the buffer rib 26, a superposed piece 33 bent at a right angle to the bottom surface 27 as a spacer. Intervened,
Further, the locking rib 26 is brought into a state in which the locking projection 17 is applied, so that the shape of the small angle gutter is firmly fixed.

Then, in order to fix the above-mentioned covering state, as shown in FIG. 9, one set of fixing pieces 18 is folded in two along the fold J, and the back side of the adjacent fin pieces 3 is superposed. Then, the protrusion 18a is inserted into the insertion hole 1 of the facing side wall 2.
9, and the notch 18b for locking is further
6, the cover is reliably fixed. At this time, the overlapping piece 20 connected to the fixing piece 18 is bent at a right angle and overlaps the inner surface of the facing end face wall 25.

Next, as shown in FIGS. 9 and 11, while the rectangular tube forming piece 15 is bent in an L-shape along the fold lines H and I, the engaging projections 15a are engaged with the locking projections. 16 is inserted into a slit (not shown) formed after the cutting and raising of the fitting 16 is performed.
The small-angle tube portion V is formed on the outer surface of one of the side walls of the first member, and its shape is fixed.

Subsequently, the buffer / reinforcement pieces 21 provided at a total of four locations at the front and rear edges of the main piece portion 61 are bent in an L shape along the fold line L, and further inward along the fold line M. Fold it in two. Thereby, as shown in FIGS. 10 and 11,
The buffer / reinforcement pieces 21 bent into an L shape are overlapped on the lower surfaces of the left and right fin pieces 3 and 3 and are also applied to the outer surfaces of the opposed end wall 25 and the outer surfaces of both side walls of the fitting recess S. You will be in contact. Thus, the packing 202 provided with the fitting concave portion S on one surface thereof is folded up.

The above-described series of folding operations is considered to be extremely complicated when described in text. However, as described above, since each of the folds is previously provided with a folding habit in a predetermined direction, it is extremely difficult. It can be completed easily and quickly.

FIG. 10, FIG.
As can be understood from FIG. 11, the opposite end wall 25 and the two-piece buffer rib 26 are in contact with the bottom surface 1 of the fitting recess S and the outer periphery near both ends of the opposite side walls 2, 2. become. Further, the fin pieces 3 having a buffering function are projected outward from the outer periphery of the upper edge of the opposing side walls 2 and 2 and the opposing end wall 25. Therefore, this packing 202 made of paper
Exhibits a cushioning performance that is not inferior to that of the conventional styrofoam packing.

The small square tube portion V serves as a storage portion for accessories of the packaged article. Also, during packing, packing 2
When the 02 is placed vertically, if the surface on which the small-angle tube portion V is provided is a bottom surface, the work can be easily performed because it can be stably installed.

Further, the left and right packings 202 have slightly different shapes. Therefore, when storing and transporting the folded packing, when this set of packings is overlapped with the respective fitting recesses S facing each other, the protruding piece 11 of one packing is inserted into the insertion hole of the other packing. 13 are firmly fitted, and they are united (see FIG. 10). For this reason, the packing operator does not have to take time to determine the left and right packings.

When the packing 202 is in its used condition, the packing 202 shown in FIG.
The respective corners on the bottom side shown in FIG. 0 are applied to the respective corners or ridges of the cardboard box, but the respective corners are cut out as shown by the symbol e in the figure. . Although a large impact force is likely to be applied to the corners and ridges of the packing box during its handling, the notch at each corner can prevent direct transmission of the impact force to the packing 202. I can do it.

In each of the above embodiments, the material of the corrugated cardboard and the dimensions and dimensional ratios of the respective parts are, of course, appropriately selected according to the shape and strength characteristics of various articles to be packed. I just need. Depending on the packing article, the polymer strip 28
The reinforcing piece 21 can be omitted.

[0046]

As is apparent from the above description, the folding paper-made packing according to the present invention has various practically excellent effects as listed below as compared with the conventional packing made of styrene foam. . (A) By simply changing the type and material of the corrugated cardboard, the dimensions and the dimensional ratio of each part, etc., it is possible to easily adjust the cushioning performance to be optimal for each of the packaging articles having various shapes and strength characteristics. . (B) The cost required for the mold can be greatly reduced. (C) A packing having a complicated shape can be easily and quickly folded up from only one cardboard. (D) The small-angle tube portion V serves as a component storage portion,
Helps to keep the packing stable vertically. (E) The corner notch e provided at the corner of the packing prevents a large impact force exerted on the corner or ridge of the packing box from being directly transmitted to the packing. (F) The cushioning / reinforcement pieces folded on the front and rear edges of the main piece improve the cushioning performance of the packing. (G) Unlike conventional styrofoam packing,
It contributes to significant improvements such as wasting valuable petroleum resources and difficulties in disposal. (H) It can be stored and transported in a very compact form.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and is a plan view of a cardboard as a raw material.

FIG. 2 is a perspective view of the same cardboard.

FIG. 3 is a perspective view showing a state where the packing has begun to be folded from the cardboard;

FIG. 4 is a front perspective view of the folded packing according to the first embodiment.

FIG. 5 is a perspective view of the back side of the folded packing.

FIG. 6 is a view corresponding to FIG. 1, showing a second embodiment of the present invention.

FIG. 7 is the same as FIG. 2;

FIG. 8 is a perspective view showing a state where the packing has begun to be folded from the cardboard.

FIG. 9 is a perspective view showing a state in which the packing is half-folded;

FIG. 10 is a front perspective view of the folded packing.

FIG. 11 is a perspective view of the back side of the folded packing.

[Explanation of symbols]

 101, 102 Corrugated cardboard 201, 202 Packing S Fitting recess V Small square tube portion 1 Bottom surface 2 Opposite side wall surface 3 Filler piece 4 Notch 5, 25 Opposing end wall 6 Square notch 7 Overlay fin piece 8 Overlapping side wall 9 H-shaped cut 11 Hump Pieces 12, 14 U-shaped cut 13, 19, 22 Insertion hole 15 Square tube forming piece 15a Engagement protrusion 16 Locking protrusion 17 Locking protrusion 16a, 17a C-shaped cut 18 Fixed piece 18a Projection 18b Notch for stopping 20, 28, 33 Overlapping piece 21 Buffer / reinforcement piece 21a Projection 26 Buffer rib 27 Connecting part 30, 31, 32 Notch 34 Notch 35 Corner notch 37 Notch 51, 61 Main piece 52, 62 Secondary piece 62A One half 62B Other half a Edge b Recessed part c Finger hole d Recessed part e Corner notch f Notch A Main fold B, C, D, G, N Parallel fold E, F Standing Fold H-Q Fold

Claims (8)

[Claims] 1. A packing 201, 102 having a substantially rectangular parallelepiped outer shape from one piece of corrugated cardboard 101, 102 and having on one surface thereof a fitting recess S for inserting a side end of a packaged article.
02 is folded up, and the corrugated cardboards 101 and 102 are bent into a square gutter shape having the opposed side wall 2 and the bottom surface 1 constituting the fitting concave portion S, and the opposed side wall is Main piece portions 51 and 61 provided with folds and cuts for folding up a band-like fin piece 3 at the upper edge of the piece 2 so as to project outward.
Are connected to the side ends of the main piece portions 51 and 61 via folds,
A fold for forming the fitting concave portion S and bending the opposing end surface walls 5 and 25, which play a role of cushioningly supporting the engaging concave portion S, in a direction orthogonal to the opposing side wall 2. And a notch for fitting the recessed portion S for fitting on the upper edge side of the facing end face walls 5, 25. Tatami packing. 2. The sub-piece portion 52 is provided with folds and cuts for forming a overlapped fin piece 7 and an overlapped side wall 8 to be overlapped with the fin piece 3 and the opposed side wall 2, respectively. A folding type packing made of paper according to claim 1. 3. The opposing side wall 2 is provided on the sub-piece portion 62.
A fold is formed to bend the small-angle gutter shape in a direction perpendicular to the direction of the small-angle gutter. One end of the bottom surface 27 of the small-angle gutter shape is connected to the main piece portion 61 via a fold Q, and one side of the small-angle gutter shape is provided. The paper folding type according to claim 1, wherein a wall surface is the opposite end wall 25, and the other side wall provided with a cutout for fitting the fitting recess S is a buffer rib 26. Packing. 4. Main pieces 6 each bent into the predetermined shape.
In order to fix the state in which the sub-piece portion 62 is covered on the back surface of the fin 1, the small-angle gutter-shaped bottom surface 27 is sandwiched between the fin pieces 3 at the side ends of the fin pieces 3. Fixing piece 1
8. The connecting device according to claim 1, wherein the connecting portions are connected via a fold.
Or the foldable packing made of paper according to 3. 5. A square tube forming piece 15 bent into an L shape is connected to said fin piece 3 via a fold line, and said opposed side wall 2 is formed.
The folding packing made of paper according to any one of claims 1 to 4, wherein the small square tube portion (V) is formed in cooperation with the fin pieces (3). 6. The cushioning rib 26 includes:
6. A foldable packing made of paper according to any one of claims 1 and 3, wherein a polymer piece 28 to be polymerized is continuously provided. 7. A position where the opposed end face wall 25, the cushioning rib 26 and the like come into contact with a corner or a ridge in the packing box of the packing article.
The folding packing made of paper according to any one of claims 1 and 3 to 6, wherein a corner notch (e) is provided. 8. The device according to claim 1, wherein the buffer / reinforcement piece 21 is continuously provided at the front and rear edges of the main piece 61 via a fold for folding in two. Foldable packing made of paper.