JP2020100430A - Packaging material - Google Patents

Abstract

To provide a packaging material that can fix to-be-packed items while reducing impact on them by bending a sheet in comparison with the packaging materials that use other members as buffers.SOLUTION: A packaging material comprises: a storage part that comprises multiple wall parts formed when a sheet is folded and that can contain inside to-be-packed items; buffering parts that can buffer impact by each protruding outward from one of the wall parts to extend the wall part; and presser parts that press the to-be-packed items by inclining with respect to the buffering part so as to face the inside of the storage part.SELECTED DRAWING: Figure 2

Description

The present invention relates to packaging materials.

A packaging material is known that includes a storage portion that can store therein a powder storage container that stores powder used in an image forming apparatus, and a vibration absorption portion that is provided outside the storage portion and that absorbs vibration. (Patent Document 1).

A collar plate is continuously provided on each of the upper edges of the four frame plates that form the peripheral wall, the collar plates are folded inward, and adjacent collar plates are connected one by one via a connecting piece, and the base end of the connecting piece is folded. When the peripheral wall is assembled into a rectangular tube shape by inclining the line of sight with respect to the upper edge of the frame plate at an angle of greater than 45°, the collar plate faces diagonally downward and is used by covering it with a water retention bag from above. A water retaining container for cut flowers is also known (Patent Document 2).

JP, 2017-40888, A JP, 2004-338767, A

The present invention provides a packaging material that can fix one article by folding one sheet and reducing the impact on the article to be packaged, as compared with a packaging material that uses another member for cushioning. ..

In order to solve the above problems, the packaging material according to claim 1,
An accommodating section composed of a plurality of wall sections capable of accommodating an article to be packed,
A shock-absorbing portion that protrudes from one of the wall portions toward the outside in a state where the wall portion is extended and is capable of absorbing shock.
It is characterized by

The invention according to claim 2 is the packaging material according to claim 1,
A holding part that tilts with respect to the buffer part so as to face the inside of the housing part and presses the object to be packed;
It is characterized by

The invention according to claim 3 is the packing material according to claim 2,
The accommodating portion, the cushioning portion, and the pressing portion are formed by folding one sheet, and the sheet includes a first side portion that is arranged following the wall portion, and the first side portion. And a second side portion that is disposed following the wall portion different from the wall portion that continues and that is provided so as to sandwich the first side portion, and the pressing portion is provided on the first side portion. On the other hand, the second side portion is formed by the first side portion that is inclined toward the accommodating portion by folding the second side portion inward by a valley fold at an angle larger than 45°.
It is characterized by

The invention according to claim 4 is the packing material according to claim 2,
The accommodating portion, the cushioning portion, and the pressing portion are formed by folding one sheet, and the sheet is arranged subsequent to the outermost wall portion of the plurality of wall portions. And a fourth side portion arranged subsequent to the wall portion arranged next to the wall portion on which the third side portion is arranged, wherein the buffer portion is A part of the fourth side part is folded and a part of the fourth side part and another part are joined together; and the third side part.
It is characterized by

The invention according to claim 5 is the packing material according to claim 4,
The buffer portion has an end portion in a direction intersecting with the wall portion,
It is characterized by

The invention according to claim 6 is the packing material according to claim 3,
The first side portion has a flap portion that is arranged outside a portion of the first side portion that forms the pressing portion in a sheet state before being folded, and the flap portion is the accommodation portion. Bent outwards,
It is characterized by

The invention according to claim 7 is the packaging material according to claim 6,
The flap portion has a width along the folding direction wider than that of the first side portion,
It is characterized by

The invention according to claim 8 is the packaging material according to claim 7,
The second side portion has a folded portion that is mountain-folded and valley-folded outside the accommodating portion, and both end portions in a direction intersecting a folding direction of the flap portion are folded and fixed to the folded portion. ,
It is characterized by

The invention according to claim 9 is the packaging material according to any one of claims 1 to 8, wherein:
The wall portion has a locking tongue piece that holds the housing portion closed when the wall portion is bent inward, and a locking hole into which the locking tongue piece fits.
It is characterized by

The invention according to claim 10 is the packaging material according to any one of claims 1 to 9, wherein:
The item to be packed is a long member provided with protrusions on its side,
It is characterized by

According to the invention described in claim 1, as compared with the packing material in which the cushioning portion is provided outside, the shock to the object to be packed can be reduced without the cushioning portion being crushed and the cushioning function being impaired.

According to the invention as set forth in claim 2, it is possible to hold down a part of the article to be packed in the accommodation section.

According to the invention described in claim 3, it is possible to fold one sheet and hold a part of the article to be packed.

According to the invention described in claim 4, the impact can be reduced as compared with the configuration in which the buffer portion is formed only on one plane.

According to the invention described in claim 5, the impact can be further reduced.

According to the invention described in claim 6, the gap between the accommodation portion and the buffer portion can be closed as compared with the case of being folded inward.

According to the invention described in claim 7, it is possible to prevent easy unpacking of the packing material from the pressing portion.

According to the invention described in claim 8, it is possible to prevent easy unpacking of the packing material from the pressing portion.

According to the invention described in claim 9, it is possible to close the housing portion without adhering it.

According to the invention described in claim 10, it is possible to prevent the tip end of the protrusion of the article to be packaged from being damaged during transportation.

It is a perspective view which shows the external appearance of a packing material. It is a longitudinal cross-sectional schematic diagram which shows the inside of a packing material. It is a top view which shows the sheet|seat in the state which expanded the packing material. It is a top view which shows the state which folds in the sheet which expanded the packing material. It is a top view which shows the state which folded the sheet|seat and formed the pressing part. It is a perspective view of a packing material in which a sheet is folded and a pressing portion is formed. It is a side view which looked at the buffer part side of the assembled packing material. It is a perspective view explaining a lock mechanism. It is a cross-sectional schematic diagram explaining the effect|action of the packaging material when it receives an impact. It is a cross-sectional schematic diagram explaining the effect|action of the packaging material when it receives a vibration. It is a top view which shows the sheet|seat in the state which expanded the packing material. It is a perspective view of a packing material in which a sheet is folded and a pressing portion is formed. It is a side view which looked at the buffer part side of the assembled packing material. It is a top view which shows the sheet|seat of the state which expanded the packaging material which concerns on a modification. It is a top view which shows the state which folds in the sheet which expanded the packing material. It is a side view which looked at the buffer part side of the assembled packing material.

Next, referring to the drawings, the present invention will be described in more detail with reference to embodiments and specific examples, but the present invention is not limited to these embodiments and specific examples.
Further, in the following description using the drawings, it should be noted that the drawings are schematic, and the ratios of the respective dimensions and the like are different from the actual ones. Illustrations other than the members are appropriately omitted.

"First embodiment"
(1) Structure of Packing Material FIG. 1 is a perspective view showing the appearance of the packing material 100, FIG. 2 is a schematic vertical cross-sectional view showing the inside of the packing material 100, and FIG. 3 is a plan view showing a sheet in a state where the packing material 100 is expanded. It is a figure.
Hereinafter, the configuration of the packaging material 100 will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the packing material 100 is a long rectangular prism shape as a whole, and is a packing material capable of accommodating a long member as an example of the article W to be packed therein, and is shown in FIG. One sheet S made of corrugated paper, kraft paper or plastic material is folded and assembled as a constituent member.
The packing material 100 includes a housing portion 110 that can house the article W to be packed therein, a cushioning portion 120 that can project to the outside of the housing portion 110 to cushion a shock, and a cushioning portion 120 that faces the inside of the housing portion 110. A pressing portion 130 that tilts with respect to the object W to be packed is provided.

A single sheet S is provided with a plurality of wall portions 111, 112, 113, 114, 115 that form the accommodating portion 110 by folding the folding lines (valley fold lines) 101, 102, 103, 104 into valley folds. There is.
The first side portions 116 are arranged on both sides in the length direction of the wall portion 111, which is the bottom surface when the housing portion 110 is formed, following the wall portion 111 via folding lines (valley fold lines) 105. .. The first side portion 116 is valley-folded at the folding line 105 to form the pressing portion 130, as described later.

Adjacent to the bottom wall portion 111, the wall portions 112 and 113, which are side surfaces of the accommodating portion 110 when folded, are provided on both sides in the lengthwise direction of the wall portion 112 and 113 with the first side portion 116 and the first side portion 116. The second side portions 117 adjacent to each other via the lines (mountain fold lines) 101a and 102a are arranged.

In addition, on both sides in the length direction of the wall portions 112 and 113 that are the side surfaces of the housing portion 110, the fourth side portion 118 that is divided by the folding line (valley fold line) 106 so as to be adjacent to the second side portion 117. Are arranged (see the shaded area in Fig. 3).
The fold line 106 is formed at an angle larger than 45° with respect to the fold lines (mountain fold lines) 101a and 102a, and the second side portion 117 folds the fold line 106 (valley fold line) inward as described later. By (valley folding), the first side portion 116 is inclined toward the housing portion 110 to form the pressing portion 130. In this embodiment, the folding line 106 is formed at an angle of 50° with respect to the folding lines (mountain folding lines) 101a and 102a.

On the both sides in the length direction of the outermost wall portions 114 and 115 that are adjacent to the wall portions 112 and 113 that are the side surfaces of the housing portion 110, the third side portion 119 is provided following the wall portions 114 and 115. They are arranged (see the shaded area in Fig. 3).
As will be described later, the cushioning portion 120 is a portion where the fourth side portion 118 is folded along the folding line 106 (valley fold line) and a part of the fourth side portion 118 overlaps with the adjacent second side portion 117 which is the other portion. And is formed of the third side portion 119, and protrudes to the outside of the housing portion 110.

A flap portion 116a is arranged outside the portion of the first side portion 116 forming the holding portion 130 via a folding line (mountain folding line) 107. As will be described later, the flap portion 116 a is mountain-folded along a folding line (mountain folding line) 107 and is bent outside the accommodating portion 110. This makes it possible to close the gap between the accommodating portion 110 and the buffer portion 120, as compared with the case of being folded inward.

The outermost wall portions 114 and 115 are formed by folding the wall portions 111, 112, 113, 114, and 115 inward along fold lines (valley fold lines) 101, 102, 103, and 104 to form the housing portion 110. At this time, a top surface inner lid and a top surface outer lid, which are the top surface of the housing portion 110, are configured.

A locking tongue piece 115a that holds the housing 110 closed is provided at the center in the length direction of the outermost wall 114 that serves as the top lid. A lock hole 114a into which the lock tongue 115a is fitted is provided in the central portion in the length direction of the other outermost wall portion 115.
A cut-and-raised piece 114b is formed on the wall 114, and a tongue piece 115a is provided with a locking hole 115b into which the cut-and-raised piece 114b is fitted. As a result, as will be described later, the accommodating portion 110 is locked while being closed by the wall portions 114 and 115.

(2) Assembly of Packing Material FIG. 4 is a plan view showing a state in which the packing material 100 is folded from the unfolded sheet S, FIG. 5 is a plan view showing a state in which the sheet S is folded and the pressing portion 130 is formed, and FIG. 6 is a sheet. FIG. 7 is a perspective view of the packaging material 100 in which S is folded to form the pressing portion 130, FIG. 7 is a side view of the assembled packaging material 100 with a viewpoint toward the cushioning portion 120 side, and FIG. 8 is a perspective view illustrating a locking mechanism. is there.

When assembling the packaging material 100 from the single sheet S shown in FIG. 3, as shown in FIG. 4, first, as shown in FIG. 4, the wall portions 112 and 113 that are the side surfaces of the housing portion 110 are different from the wall portions 111 that are the bottom surface of the housing portion 110. Is folded in a valley fold along the folding lines 101 and 102 (see arrow R1 in FIG. 4).

Next, while the first side part 116 following the wall part 111 is valley-folded along the folding line 105, the second side parts 117 (which are arranged on both sides in the length direction of the wall parts 112 and 113 adjacent to the wall part 111 ( The folds (shown by halftone dots in FIG. 4) are folded along the folding lines (mountain folding lines) 101a and 102a at the same time as the folding lines (mountain folding lines) 101a and 102a. Fold inward along the line 106 (valley fold line) (valley fold: see arrow R2 in FIG. 4).

Accordingly, since the folding line 106 is formed at an angle larger than 45° with respect to the folding lines (mountain folding lines) 101a and 102a, the first side portion 116 has the wall portion 111 and the wall portion 111 as shown in FIG. It will be inclined and folded toward the accommodating portion 110 formed by the wall portions 112 and 113. In this way, the holding portion 130 in which the first side portion 116 is inclined inward with respect to the housing portion 110 is formed.

When the second side portion 117 is folded inward along the folding line 106, as shown in FIG. 5, the second side portion 117 has the second side portions on both sides in the length direction of the wall portions 112 and 113 which are the side surfaces of the accommodating portion 110. It overlaps with a part of the fourth side portion 118 that is arranged by being divided by the folding line (valley fold line) 106 so as to be adjacent to the portion 117. As a result, the second side portion 117, which overlaps with a part of the fourth side portion 118, projects outward with respect to the housing portion 110 and becomes a part of the buffer portion 120.

In this way, by folding the wall portions 112 and 113, the first side portion 116, and the second side portion 117 and 117 with respect to the wall portion 111, the housing portion 110 and the holding portion 130 are formed as shown in FIG. 6. To be done. Then, the outermost wall portions 114 and 115, which are the top surface of the housing portion 110, are folded inward (see arrow R3 in FIG. 6) to assemble the packaging material 100 shown in FIG.
Here, the third side part 119 arranged subsequent to the wall parts 114, 115 on both sides in the length direction of the outermost wall parts 114, 115 overlapped with part of the fourth side part 118. The buffer portion 120 is formed on the second side portion 117.

As shown in FIG. 1, the buffer portion 120 formed in this manner has an end portion 120a in a direction intersecting with the wall portions 112, 113, 114 and 115. Specifically, the end portion 120a intersects the longitudinal direction of the accommodating portion 110 and has a flush height. As a result, when the packaging material 100 receives a physical load such as shock or vibration, the end 120a of the cushioning part 120 is likely to contact the contact surface as a whole, and the physical load such as shock or vibration can be further reduced. You can

The flap portion 116a, which is arranged outside the portion of the first side portion 116 that forms the pressing portion 130, is mountain-folded at the folding line (mountain folding line) 107 and is bent outside the accommodating portion 110 (see FIG. 6). ).
As shown in FIG. 7, the flap portion 116a bent to the outside of the housing portion 110 is a third side portion that is arranged next to the wall portion 114 on both sides in the length direction of the wall portion 114 that serves as the top lid. It comes into contact with 119 and comes into a state. As a result, it is possible to close the gap between the accommodating portion 110 and the buffer portion 120, as compared with the case where the flap portion 116a is folded inward.

The packing material 100 in which the housing portion 110, the buffer portion 120, and the holding portion 130 are formed is placed on the housing portion 110 so that the object W to be packed is held by the holding portion 130, and as shown in FIG. The outermost wall 114 serving as the inner lid and the outermost wall 115 serving as the ceiling outer lid are folded in a valley fold along the folding lines 103 and 104 (see arrow R4 in FIG. 8) and locked by the lock mechanism. Assembly is complete.
The locking mechanism is formed by fitting a locking tongue 115 a provided on the wall 115 into a locking hole 114 a provided on the wall 114. Further, the cut-and-raised piece 114b provided on the wall portion 114 is fitted into the locking hole 115b provided on the tongue piece 115a, so that the housing portion 110 is locked while being closed by the wall portions 114 and 115. ..

(3) Cushioning action of packing material FIG. 9 is a schematic cross-sectional view for explaining the operation of the packing material 100 when it receives an impact, and FIG. 10 is a schematic cross-sectional view for explaining the operation of the packing material 100 when it receives vibration. is there.
As shown in FIG. 9, the packing material 100 is housed in the housing portion 110 while being held by a holding portion 130 that is inclined with respect to the buffer portion 120 so as to face the inside of the housing portion 110. Then, the packing material 100 is formed such that the cushioning portion 120 projects to the outside of the housing portion 110 that houses the article W to be packed therein.

When such a packaging material 100 falls and the buffer section 120 comes into contact with the drop surface FL, as shown in FIG. 9, a shock F as an example of a physical distribution load acts on the buffer section 120. The shock F acting on the cushioning portion 120 is decomposed into loads F1 and F2 by the pressing portion 130 that is in contact with the side portion of the article W to be packaged and received. As a result, the shock F is reduced by the cushioning section 120 and the pressing section 130, and damage to the article W held in the housing section 110 is suppressed.

When the packaging material 100 receives vibrations from the left and right cushioning portions 120 or the top surface, as shown in FIG. 10, the vibration F as an example of the physical distribution load acts on the cushioning portion 120 or the top surface. The vibration F acting on the buffer portion 120 or the top surface is decomposed into loads F1 and F2 by the pressing portion 130 in contact with the side portion of the article W to be received. As a result, the vibration F is reduced by the cushioning section 120 and the pressing section 130, and damage to the article W held in the housing section 110 is suppressed.

As the article W to be packed in the housing section 110 of the packing material 100 according to the present embodiment, which can reduce the impact and vibration due to the physical distribution load, a member that is particularly long and has a protrusion at the end is used. Suitable examples of such a long member include a conveying roller body and a transfer roller body used in an image forming apparatus.

"Second embodiment"
(1) Configuration of Packing Material FIG. 11 is a plan view showing the sheet in a state where the packing material 100A is unfolded.
In the packaging material 100A, the flap portion 116A arranged via the folding line (mountain fold line) 107 on the outer side of the portion of the first side portion 116 forming the pressing portion 130 is the packaging material according to the first embodiment. Different from 100. Hereinafter, the packaging material 100A will be described with reference to the drawings. The same components as those of the packaging material 100 according to the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

On both sides in the length direction of the wall portion 111, which is the bottom surface when the accommodation portion 110 of the packaging material 100A is formed, a first side portion 116 is provided following the wall portion 111 via a folding line (valley fold line) 105. It is arranged.
A flap portion 116A is arranged outside the portion of the first side portion 116 forming the pressing portion 130 via a folding line (mountain folding line) 107. As shown in FIG. 11, the flap portion 116A is formed so that the width W1 along the bending direction is wider than the width W0 of the first side portion 116.

(2) Assembly of Packing Material FIG. 12 is a perspective view of the packing material 100A in which the sheet SA is folded to form the pressing portion 130, and FIG. 13 is a side view of the assembled packing material 100A with a viewpoint toward the buffer section 120 side. is there.
The flap portion 116</b>A arranged outside the portion forming the pressing portion 130 of the first side portion 116 is mountain-folded along the folding line (mountain folding line) 107 and is bent outside the housing portion 110. Further, since the flap portion 116A is formed such that the width W1 along the folding direction is wider than the width W0 of the first side portion 116, both end portions 116Aa in the direction intersecting the folding direction are the folding lines 106. The second side portion 117 folded inward is placed on the folded end portion 117a (see FIG. 12).

As shown in FIG. 13, the flap portion 116</b>A that is bent to the outside of the housing portion 110 is a part of the cushioning portion 120 that is formed by folding both ends 116</b>Aa in the direction intersecting the folding direction inward along the folding line 106. The end portion 117a of the second side portion 117 is fitted and fixed between the end portion 117a and the third side portion 119 arranged following the wall portion 114 on both sides in the length direction of the wall portion 114 which is the top lid. To be done. As a result, it becomes difficult to access the flap portion 116A bent outward from the pressing portion 130, and it is possible to prevent the packaging material 100A from being easily unpacked.

"Modification"
FIG. 14 is a plan view showing a sheet in a state where the packaging material 100B according to the modification is expanded, FIG. 15 is a plan view showing a state in which the packaging material 100B is folded from the expanded sheet SB, and FIG. 16 is a diagram showing the assembled packaging material 100B. It is a side view which looked at the buffer part 120 side.
The packaging material 100B according to the modified example has a fold portion 117A in which the second side portion 117 is mountain-folded and valley-folded outside the housing portion 110, and the fold portion 117A has a direction intersecting the folding direction of the flap portion 116a. Both ends are folded and fixed.

As shown in FIG. 14, the second side portion 117 is provided with a folded portion 117A arranged so as to extend outward. The folded portion 117A includes a first folded portion 117Aa connected to the second side portion 117 via a folding line (mountain folding line) 107, and a second folded portion connected to the flap portion 116a via a folding line (mountain folding line) 108. It consists of 117 Ab.
The first folding portion 117Aa and the second folding portion 117Ab are separated by a folding line (valley folding line) 109.

As shown in FIG. 15, the packaging material 100B is formed on both sides in the length direction of the wall portions 112 and 113 adjacent to the wall portion 111 while valley-folding the first side portion 116 following the wall portion 111 along the folding line 105. Folding formed second side portion 117 is folded into a mountain fold along fold lines (mountain fold lines) 101a and 102a, and at the same time is formed at an angle larger than 45° with respect to fold lines (mountain fold lines) 101a and 102a. Fold inward along the line 106 (valley fold line) (valley fold: see arrow R2 in FIG. 15).

Further, at the same time when the second side portion 117 is folded inward, the first folding portion 117Aa (shown by halftone dots in FIG. 15) and the second folding portion 117Ab (see FIG. Folded inward at the folding line 109 while being mountain-folded at the folding line 107 and the folding line 108 (valley fold: arrow R3 in FIG. 15).

As a result, as shown in FIG. 16, in the folded portion 117A, the first folded portion 117Aa connected to the second side portion 117 and the second folded portion 117Ab connected to the flap portion 116a overlap each other, and a direction intersecting the folding direction of the flap portion 116a. Since both end portions 116b of the are folded and fixed in the folded portion 117A, it becomes difficult to access the flap portion 116a, and easy unpacking of the packaging material 100A can be prevented.

As described above, the embodiments of the present invention have been described with reference to specific examples, but the technical scope of the present invention is not limited to the above embodiments, and various modifications are made without departing from the spirit of the present invention. It is possible.
For example, in the packaging materials 100, 100A, and 100B according to the present embodiment, the buffer section 120 and the pressing section 130 are described as being provided on both sides of the housing section 110, but the buffer section 120 and the pressing section 130 are It may be provided on one side of the housing section 130.
Moreover, although the packing materials 100, 100A, and 100B have a quadrangular prism shape, they may have a polygonal prism shape of pentagonal prism or more, and various shapes are applied to the housing portion 110 in which the article W to be packed is housed. Further, the article W to be packed in the packing material is not limited to the long member, and various things to be packed in the packing material are applied regardless of size.

100, 100A, 100B... Packing material 101, 102, 103, 104... Folding line (valley fold line)
105, 106... Folding line (valley fold line)
107, 108... Folding line (mountain folding line)
109... Folding line (valley fold line)
101a, 102a... Folding line (mountain folding line)
110... Storage part 111, 112, 113, 114, 115... Wall part 116... First side part 116a, 116A... Flap part 117... Second side part 117A... Folding part 117Aa... 1st folding part 117Ab... 2nd folding part 118... 4th side part 119... 3rd side part 120... Buffer part 130... Pressing part W... Packaged Items S, SA, SB... Sheet

Claims (10)

An accommodating section composed of a plurality of wall sections capable of accommodating an article to be packed,
A shock-absorbing portion that protrudes from one of the wall portions toward the outside in a state where the wall portion is extended and is capable of absorbing shock.
A packaging material characterized by that. A holding part that tilts with respect to the buffer part so as to face the inside of the housing part and presses the object to be packed;
The packaging material according to claim 1, wherein the packaging material is a packaging material. The accommodating portion, the cushioning portion, and the pressing portion are formed by folding one sheet, and the sheet includes a first side portion that is arranged following the wall portion, and the first side portion. And a second side portion that is disposed following the wall portion different from the wall portion that continues and that is provided so as to sandwich the first side portion, and the pressing portion is provided on the first side portion. On the other hand, the second side portion is formed by the first side portion that is inclined toward the accommodating portion by folding the second side portion inward by a valley fold at an angle larger than 45°.
The packaging material according to claim 2, wherein: The accommodating portion, the cushioning portion, and the pressing portion are formed by folding one sheet, and the sheet is arranged subsequent to the outermost wall portion of the plurality of wall portions. And a fourth side portion arranged subsequent to the wall portion arranged next to the wall portion on which the third side portion is arranged, wherein the buffer portion is A part of the fourth side part is folded and a part of the fourth side part and another part are joined together; and the third side part.
The packaging material according to claim 2, wherein: The buffer portion has an end portion in a direction intersecting with the wall portion,
The packaging material according to claim 4, which is characterized in that. The first side portion has a flap portion that is arranged outside a portion of the first side portion that forms the pressing portion in a sheet state before being folded, and the flap portion is the accommodation portion. Bent outwards,
The packaging material according to claim 3, which is characterized in that. The flap portion has a width along the folding direction wider than that of the first side portion,
The packaging material according to claim 6, which is characterized in that. The second side portion has a folded portion that is mountain-folded and valley-folded outside the accommodating portion, and both end portions in a direction intersecting a folding direction of the flap portion are folded and fixed to the folded portion. ,
The packaging material according to claim 7, wherein: The wall portion has a locking tongue piece that holds the housing portion closed when the wall portion is bent inward, and a locking hole into which the locking tongue piece fits.
The packaging material according to claim 1, wherein the packaging material is a packaging material. The item to be packed is a long member provided with protrusions on its side,
The packaging material according to any one of claims 1 to 9, which is characterized in that.

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