JP2023150928A - Article storage material - Google Patents

Abstract

To provide an article storage material capable of reducing impact applied to an article when falling.SOLUTION: The article storage material is provided with: a bottom plate part 32; an internal upper plate part (upper plate part) 21 and an internal lower plate part (lower plate part) 31 that are located above the bottom plate part 32 and arranged to overlap in an upward-downward direction; and a second side plate part (side plate part) 33 for supporting the internal upper plate part 21 and the internal lower plate part 31 above the bottom plate part 32. In the internal upper plate part 21, an upper side opening 211 passing therethrough in an upward-downward direction is formed, and an upper side film 24 for covering the upper side opening 211 is attached thereto. In the internal lower plate part (lower plate part) 31, a lower side opening 311 passing therethrough in an upward-downward direction is formed, and a lower side film 34 for covering the lower side opening 311 is attached thereto. An article 11 can be stored between the upper side film 24 and the lower side film 34. An extension part 35 extending toward the bottom plate part 32 from an edge part of the lower side opening 311 is provided at the internal lower plate part 31.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to an article storage material.

Conventionally, two boxes made of paper connected through a fold are stacked one on top of the other, and articles are sandwiched and stored between films that cover openings formed in the overlapping paper materials of each of the two boxes. Article accommodating materials are known (for example, see Patent Document 1). Such an article storage material stores articles in a floating state with respect to the bottom plate portion of the article storage material.

Japanese Unexamined Patent Publication No. 57-125138

When the article containing material containing the articles falls, the film may be stretched or bent by the impact, and the articles may collide with the bottom plate portion, and there is a possibility that an impact may be applied to the articles.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an article storage material that can reduce the impact applied to articles when they fall.

In order to achieve the above object, the article storage material according to the present invention includes a bottom plate part, an upper plate part and a lower plate part located above the bottom plate part and arranged to overlap in the vertical direction, and the upper plate part and a side plate part that supports the lower plate part above the bottom plate part, and the upper plate part has an upper opening that penetrates in the vertical direction, and an upper film that covers the upper opening is pasted. The lower plate part is formed with a lower opening that penetrates in the vertical direction, a lower film that covers the lower opening is pasted, and a space between the upper film and the lower film is , the lower plate portion is provided with an extension portion extending from the edge of the lower opening toward the bottom plate portion.

According to the present invention, it is possible to reduce the impact applied to an article when it falls.

FIG. 2 is a perspective view of the article storage material according to the first embodiment. FIG. 2 is a cross-sectional view taken along line AA in FIG. 1. 2 is a sectional view taken along line BB in FIG. 1. FIG. It is a top view of the paper material of 1st Embodiment. It is a perspective view of the article storage material by 2nd Embodiment. 6 is a sectional view taken along line CC in FIG. 5. FIG. It is a top view of the paper material of 2nd Embodiment. It is a perspective view of the article storage part before inserting a temporary fastening part and a lid part. It is a perspective view of the article storage part before inserting a lid part.

(First embodiment)
Hereinafter, an article storage material according to an embodiment of the present invention will be described based on FIGS. 1 to 4.
As shown in FIGS. 1 to 3, the article storage material 1 according to the present embodiment includes a first box 2, a second box 3, and a lid part 4. The first box 2 and the second box 3 are connected through a fold 61 (see FIGS. 1 and 2), and when folded along the fold 61, overlap each other. The lid part 4 covers the ends of the first box 2 and the second box 3 that overlap each other, and maintains the first box 2 and the second box 3 in an overlapping state.
The article 11 accommodated in the article storage material 1 is sandwiched between the upper film 24 provided on the first box 2 and the lower film 34 provided on the second box 3. Details of the upper film 24 and the lower film 34 will be described later.
The article storage material 1 is manufactured by folding a sheet of paper 12 shown in FIG. 4 except for the upper film 24 and the lower film 34. FIG. 4 shows the paper material 12 before the article storage material 1 is assembled. Continuous portions of the article storage material 1 that are continuous through a fold can be folded at the fold. The boundary portion between the adjacent first side plate portion 23 and second side plate portion 33 and the boundary portion between the adjacent top plate portion 22 and bottom plate portion 32, which are indicated by reference numeral 122 in the paper material 12 shown in FIG. 4, are cut. ing.

The upper film 24 and the lower film 34 are, for example, transparent films made of resin such as polyethylene film or polyurethane film. For example, a special polyolefin film (product name "POLYGRACE", manufactured by Takeda Sangyo Co., Ltd.) can be used. When the upper film 24 and the lower film 34 are pressed against the article 11, at least a portion thereof stretches or deforms to follow the shape of the article 11 and come into close contact with the article 11. The upper film 24 and the lower film 34 may have elasticity and puncture resistance so that even if they are pierced by the article 11 or the like and stretched, they do not form a hole and are restored to their original state.

The outer shapes of the first box 2 and the second box 3 are substantially the same long rectangular parallelepiped. The outer shape of the article storage material 1 in which the first box body 2 and the second box body 3 overlap is a long rectangular parallelepiped. The direction in which the first box 2 and the second box 3 overlap is referred to as a height direction. The article storage material 1 has a long rectangular shape when viewed from the height direction. The direction along the long side of the rectangular outer shape of the article storage material 1 viewed from the height direction is referred to as the long side direction, and the direction along the short side is referred to as the short side direction. In the following description, the first box 2 and the second box 3 overlap in the height direction. In the height direction, the side where the first box 2 is provided with respect to the second box 3 is referred to as the upper side, and the side where the second box 3 is provided with respect to the first box 2 is referred to as the lower side.

As shown in FIGS. 1 to 3, the first box 2 has a rectangular tube shape. The first box 2 is arranged to extend in the long side direction. The first box body 2 includes an inner upper plate part 21, a top plate part 22, and a pair of first side plate parts 23, 23.
The inner upper plate part 21 and the top plate part 22 are rectangular flat plates with the same outer shape of their respective plate surfaces. The inner upper plate part 21 and the top plate part 22 have respective plate surfaces facing in the height direction, and the top plate part 22 is arranged above the inner upper plate part 21 with a space therebetween.

The edge extending in the long side direction on one side in the short side direction of the inner upper plate part 21 is referred to as a first long side edge 21a, and the edge extending in the long side direction on the other side in the short side direction is referred to as a second long side edge. The edge portion extending in the short side direction on one side in the long side direction is referred to as a first short edge portion 21c, and the edge portion extending in the long side direction on the other side in the long side direction is referred to as a first short edge portion 21b. It is written as 2 short edge portion 21d.
The edge extending in the long side direction on one side in the short side direction of the top plate portion 22 is referred to as a first long side edge 22a, and the edge extending in the long side direction on the other side in the short side direction is referred to as a second long side. An edge portion 22b is referred to as an edge portion 22b, an edge portion extending in the short side direction on one side in the long side direction is referred to as a first short edge portion 22c, and an edge portion extending in the long side direction on the other side in the long side direction is referred to as a second short side edge portion 22c. It is written as a short edge portion 22d.

The pair of first side plate portions 23, 23 are rectangular flat plates having the same outer shape on their respective plate surfaces. One first side plate part 23 of the pair of first side plate parts 23 connects the first long side edge 21a of the inner upper plate part 21 and the first long side edge 22a of the top plate part 22. There is. The other first side plate part 23 of the pair of first side plate parts 23, 23 connects the second long side edge 21b of the inner upper plate part 21 and the second long side edge 22b of the top plate part 22. are doing.

In the first box body 2 before being assembled, the first side plate 23, the top plate 22, the first side plate 23, and the inner top plate 21 are successively lined up via the fold in this order. One of the first side plate portions 23 and the top plate portion 22, and the other first side plate portion 23 are bent at the creases to form a rectangular tube. On one first side plate part 23, a first glue margin part 26 is continuous via a fold on the side opposite to the side where the top plate part 22 is continuous. The first adhesive portion 26 is bonded to the inner upper plate portion 21.

The inner upper plate portion 21 has an upper opening 211 that passes through the plate surface. The upper opening 211 has a rectangular shape. An upper film 24 is attached to the lower surface of the inner upper plate portion 21. Upper film 24 covers upper opening 211 .

A first flap 25 is connected to the first short edge portion 21c of the inner upper plate portion 21 via a fold. The first flap 25 extends upward from the first short edge 21c of the inner upper plate portion 21. The upper edge portion 25a of the first flap 25 is arranged at the height of the lower surface of the top plate portion 22.

A top plate opening 221 is formed in the top plate portion 22 and passes through the plate surface. The top plate opening 221 has the same rectangular shape as the upper opening 211. The top plate opening 221 is not covered with a film. The upper opening 211 and the top opening 221 overlap in the height direction.

The lid portion 4 is connected to the first short edge portion 22c of the top plate portion 22 via a fold. The lid part 4 has a covering part 41 and a lid locking part 42. The covering portion 41 is continuous with the top plate portion 22 via the fold. The lid locking portion 42 is continuous with the covering portion 41 via the fold. The lid portion 4 protrudes from the first short edge portion 22c of the top plate portion 22. In the lid part 4, the covering part 41 is a base end part continuous with the top plate part 22, and the lid locking part 42 is a distal end part on the side away from the top plate part 22.
The covering portion 41 extends downward from the first short edge portion 22c of the top plate portion 22. The lower edge portion 41a of the covering portion 41 is arranged at the height of the bottom plate portion 32 of the second box body 3 located at the lower end of the article storage material 1.
The lid locking portion 42 extends from the lower edge 41a of the covering portion 41 to the other side in the long side direction. The lid locking part 42 is inserted into the inside of the second box body 3. The lid locking part 42 is arranged along the upper surface of the bottom plate part 32.

The second box body 3 has a rectangular tube shape. The second box body 3 includes an inner lower plate portion 31, a bottom plate portion 32, and a pair of second side plate portions 33, 33 (side plate portions).
The inner lower plate part 31 and the bottom plate part 32 are rectangular flat plates having the same outer shape on their respective plate surfaces. The inner lower plate part 31 and the bottom plate part 32 have respective plate surfaces facing in the height direction, and the bottom plate part 32 is arranged below the inner lower plate part 31 with a space therebetween.

The edge extending in the long side direction on one side in the short side direction of the inner lower plate part 31 is referred to as a first long side edge 31a, and the edge extending in the long side direction on the other side in the short side direction is referred to as a second long side edge. The edge portion extending in the short side direction on one side in the long side direction is referred to as a first short edge portion 31c, and the edge portion extending in the long side direction on the other side in the long side direction is referred to as a first short edge portion 31b. It is written as 2 short edge portion 31d.
The edge extending in the long side direction on one side in the short side direction of the bottom plate part 32 is referred to as a first long side edge 32a, and the edge extending in the long side direction on the other side in the short side direction is referred to as a second long side edge. The edge extending in the short side direction on one side in the long side direction is referred to as a first short edge part 32c, and the edge extending in the long side direction on the other side in the long side direction is referred to as a second short edge part 32b. It is written as a peripheral portion 32d.

The pair of second side plate parts 33, 33 have a rectangular flat plate shape with the same outer shape of each plate surface. One of the pair of second side plate parts 33, 33, the second side plate part 33 connects the first long edge part 31a of the inner lower plate part 31 and the first long edge part 32a of the bottom plate part 32. There is. The other second side plate part 33 of the pair of second side plate parts 33, 33 connects the second long side edge 31b of the inner lower plate part 31 and the second long side edge 32b of the bottom plate part 32. ing.
The pair of second side plate parts 33, 33 support the inner lower plate part 31 and the inner upper plate part 21 overlapping the inner lower plate part 31 so as to be arranged above the bottom plate part 32 at a distance.

In the second box 3 before being assembled, the second side plate 33, the bottom plate 32, the second second side plate 33, and the inner and lower plate 31 are arranged in succession across the fold. One of the second side plate portions 33 and the bottom plate portion 32, the other second side plate portion 33, and the inner lower plate portion 31 are bent at the creases to form a rectangular tube. On one of the second side plate parts 33, a second glue margin part 37 is continuous via a fold on the side opposite to the side where the bottom plate part 32 is continuous. The second glue margin portion 37 is bonded to the inner upper plate portion 21.

The inner lower plate portion 31 has a lower opening 311 that penetrates through the plate surface. The lower opening 311 has the same rectangular shape as the upper opening 211 and the top plate opening 221. The lower opening 311 overlaps the upper opening 211 and the top opening 221 in the height direction.
A lower film 34 is attached to the upper surface of the inner lower plate portion 31. The lower film 34 covers the lower opening 311.

The inner lower plate portion 31 is provided with a pair of extension portions 35, 35 extending downward from edges 311a, 311a on both sides of the lower opening 311 in the short side direction, respectively. The pair of extension parts 35, 35 are continuous with the inner lower plate part 31 via the fold line 35d. The fold line is provided at the edge 313 of the lower opening 311. The extending portion 35 is designed to have a shape in which a tip portion 35a can come into contact with the bottom plate portion 32 when bent downward.
The pair of extension parts 35, 35 are not bent relative to the inner lower plate part 31, and when they become flush with the inner lower plate part 31, they close the lower opening part 311. The pair of extensions 35 are formed by a lower opening corresponding portion 121 corresponding to the inner side of the lower opening 311 in the paper material 12.
In this embodiment, the first cuts 35b, 35b are provided along the edges 311b, 311b on both sides in the long side direction of the lower opening 311 in the paper material 12, and the first cuts 35b, 35b are provided in the short side direction of the first cuts 35b, 35b. A second cut 35c extending in the long side direction is provided in the lower opening corresponding portion 121 so as to connect the centers of the two. The extending portion 35 is formed by bending the lower opening corresponding portion 121 downward at the fold line 35d.

Second flaps 36, 36 are connected to one edge 331 in the long side direction of each of the pair of second side plate parts 33, 33. The pair of second flaps 36, 36 are continuous with the second side plate portion 33 via the respective folds. The pair of second flaps 36, 36 extend inward in the short side direction from the edge 331 in the long side direction of the second side plate portion 33. The inner side in the short side direction is the side where the pair of second side plate parts 33, 33 approach each other. The inner edges 36a of the pair of second flaps 36, 36 in the short side direction are separated from each other in the short side direction.
The second flap 36 is arranged on the lid locking part 42 of the lid part 4. The lid locking portion 42 of the lid portion 4 is sandwiched between the bottom plate portion 32 and the second flap 36 from the height direction.

The first box body 2 and the second box body 3 have a second short edge portion 21d of the inner upper plate portion 21 of the first box body 2 and a second short edge portion 21d of the inner lower plate portion 31 of the second box body 3. The edge portion 31d is connected via a fold 61.
When the first box body 2 and the second box body 3 are bent at the fold 61, the lower surface 21e of the inner upper plate part 21 and the upper surface 31e of the inner lower plate part 31 face each other in the height direction. . When the first box body 2 and the second box body 3 are unfolded at the fold 61, the lower surface 21e of the inner upper plate part 21 and the upper surface 31e of the inner lower plate part 31 are arranged in the long side direction, and the surface placed in one place. That is, when the first box 2 is rotated at the fold 61 and expanded from the state where the second box 3 overlaps the first box 2 after being folded at the fold 61, the first box 3 21e of the body 2 faces upward and is arranged flush with 31e of the second box body 3.

In this embodiment, the upper film 24 is attached to the lower surface 21e of the inner upper plate part 21, and the lower film 34 is attached to the upper surface 31e of the inner lower plate part 31. The upper film 24 and the lower film 34 are one continuous film, and may be continuously attached to the lower surface 21e of the inner upper plate part 21 and the upper surface 31e of the inner lower plate part 31. The upper film 24 and the lower film 34 are separate films, and may be attached to the lower surface 21e of the inner upper plate part 21 and the upper surface 31e of the inner lower plate part 31, respectively. The upper film 24 may be in a form that does not partially cover the upper opening 211. The lower film 34 may be in a form that does not partially cover the lower opening 311.

When the first box 2 and the second box 3 overlap in the height direction, the upper film 24 and the lower film 34 overlap in the height direction. The article 11 can be accommodated between the upper film 24 and the lower film 34 that overlap in the height direction. The article 11 is sandwiched between the upper film 24 and the lower film 34 at the positions of the upper opening 211 and the lower opening 311 that overlap in the height direction. As described above, when the upper film 24 and the lower film 34 are pressed against the article 11, at least a portion thereof stretches or deforms to follow the shape of the article 11 and come into close contact with the article 11. Thereby, the article 11 is fixed to the inner upper plate part 21 and the inner lower plate part 31. The article 11 sandwiched between the upper film 24 and the lower film 34 is visible from above the article storage material 1 through the top plate opening 221.

A method for accommodating articles 11 in article accommodating material 1 will be explained.
Before accommodating the article 11, the first box 2 and the second box 3 are each formed into a rectangular tube shape. The lid part 4 is placed in a state extending from the top plate part 22 to one side in the long side direction. The pair of extending portions 35, 35 are not bent relative to the inner lower plate portion 31 and keep the lower opening 311 closed.

The article 11 is placed on a portion of the lower film 34 that overlaps with the lower opening 311 . The first box 2 is folded along the fold 61 and placed over the article 11, so that the article 11 is placed between the first box 2 and the second box 3. Article 11 is sandwiched between upper film 24 and lower film 34. Since the article 11 has a thickness (size in the height direction), the first box 2 and the second box 3 do not overlap in the height direction and are separated from each other.

Before and after the step of sandwiching the article 11 between the first box body 2 and the second box body 3, the first flap 25 is bent upward, and the pair of second flaps 36, 36 are folded inwards in the short side direction ( fold the sides toward each other).

Subsequently, the first box body 2 and the second box body 3 are sandwiched from the height direction and brought into contact with each other so as to overlap in the height direction. The article 11 is pressed against the upper film 24 and the lower film 34 by an external force that pinches the first box 2 and the second box 3 from the height direction, and the upper film 24 and the lower film 34 are stretched or deformed. It follows the shape of the article 11 and comes into close contact with the article 11. In this state, if you stop sandwiching the first box 2 and the second box 3 from the height direction, the elasticity of the upper film 24 and the lower film 34 will cause the first box 2 and the second box 3 to There may be a gap between.

With the first box body 2 and the second box body 3 sandwiched in the height direction, the covering part 41 of the lid part 4 extending from the top plate part 22 to one side in the long side direction is bent downward, The lid locking portion 42 is bent to the other side in the long side direction and inserted between the second side plate portion 33 and the second flap 36 of the second box body 3 to close the lid portion 4. As a result, one end of the first box 2 and the second box 3 in the long side direction is covered, and the first box 2 and the second box 3 are overlapped in the height direction. Fixed.

The lower side of the article 11 protrudes below the inner lower plate portion 31 at the position of the lower opening 311 . The upper side of the article 11 protrudes above the inner upper plate part 21 at the position of the upper opening 211. The article storage material 1 is designed so that the lower end of the stored article 11 does not come into contact with the bottom plate part 32 and the upper end of the stored article 11 does not come into contact with the top plate part 22.
As the lower part of the article 11 protrudes below the inner lower plate part 31 at the position of the lower opening 311, the pair of extension parts 35, 35 of the inner lower plate part 31 are pushed downward and folded. It is bent at the eye 35d. The extending portion 35 assumes a posture extending downward or diagonally downward from the inner lower plate portion 31. In this embodiment, the tip portion 35a of the extending portion 35 is in contact with the upper surface of the bottom plate portion 32.

Next, the functions and effects of the article storage material 1 according to the first embodiment of the present invention described above will be explained using the drawings.
In the article storage material 1 according to this embodiment, the inner lower plate part 31 is provided with an extending part 35 extending downward from the edge of the lower opening part 311, and the tip part 35a of the extending part 35 is connected to the bottom plate part. It is in contact with the upper surface of 32. The extension portion 35 maintains the distance between the inner lower plate portion 31 and the bottom plate portion 32 in the height direction. For this reason, for example, when the article storage material 1 containing the articles 11 falls and the bottom plate part 32 hits the floor or the like and a shock is applied to the article storage material 1, the inner lower plate part 31 is bent and the articles 11 are can be prevented from coming into contact with the bottom plate portion 32. That is, the impact applied to the article 11 when it falls can be reduced.

In the article storage material 1 according to this embodiment, the upper film 24 and the lower film 34 are made of resin, and the members other than the upper film 24 and the lower film 34 are made of paper.
With such a configuration, the amount of plastic (resin product) used can be reduced compared to the case where the entire article storage material 1 is made of resin. Since the upper film 24 and the lower film 34 in contact with the article 11 are made of resin, they can adhere well to the article 11 and can prevent paper dust from adhering to the article 11.
Moreover, by peeling off the upper film 24 and the lower film 34 from the article storage material 1 after use, paper and plastic can be easily separated.

In the article storage material 1 according to the present embodiment, the extension portion 35 includes a lower opening corresponding portion 121 corresponding to the inner side of the lower opening 311 of the inner lower plate portion 31 in the paper material 12 forming the article storage material 1. is bent downward at the edge of the lower opening 311.
With this configuration, there is no need to separately provide the extension portion 35 by attaching it to the inner lower plate portion 31, and the material of the paper material 12 can be used without wasting it.

(Second embodiment)
Next, other embodiments of the present invention will be described based on the accompanying drawings, but the same or similar members and portions as in the first embodiment will be designated by the same reference numerals and explanations will be omitted. A different configuration will be explained below.
As shown in FIGS. 5 to 7, the article storage material 1B according to the second embodiment has a temporary fixing part 5 that temporarily fixes the first box 2 and the second box 3 in an overlapping state.

The temporary fixing portion 5 is connected to the first short edge portion 31c of the inner lower plate portion 31. The temporary fixing part 5 has an end plate part 51 and a temporary fixing locking part 52. The end plate portion 51 is continuous with the inner lower plate portion 31 via the fold. The temporary locking portion 52 is continuous with the end plate portion 51 via the fold. In the temporary fixing part 5, the end plate part 51 is a proximal part continuous with the inner lower plate part 31, and the temporary fixing locking part 52 is the distal end part on the side away from the inner lower plate part 31.
The end plate portion 51 extends upward from the first short edge portion 31c of the inner lower plate portion 31. The upper edge portion 51a of the end plate portion 51 is arranged at the height of the lower surface of the top plate portion 22.
The temporary locking portion 52 extends from the upper edge portion 51a of the end plate portion 51 to the other side in the long side direction. The temporary locking portion 52 is inserted into the first box 2 . The temporary locking part 52 is arranged along the lower surface of the top plate part 22. The temporary locking portion 52 is arranged on the pair of first flaps 25, 25. The temporary locking portion 52 is sandwiched between the top plate portion 22 and the pair of first flaps 25 from the height direction.

The article storage material 1B before storing the article 11 has the lid part 4 extended from the top plate part 22 to one side in the long side direction, and the temporary fastening part 5 extended from the inner lower plate part 31 in the long side direction. It extends to one side.
When storing the article 11 in the article storage material 1, before closing the lid part 4, the article 11 is stored and sandwiched between the first box body 2 and the second box body 3, and the first box body 2 and the second box 3 from the height direction, and as shown in FIG. , as shown in FIG. 9, and bend the temporary fixing locking part 52 of the temporary fixing part 5 to the other side in the long side direction to connect the top plate part 22 of the first box body 2 and the first flap 25. Insert it into. Thereby, the first box 2 and the second box 3 are temporarily fixed in a state where they overlap in the height direction, and the space between the first box 2 and the second box 3 is prevented from opening.

Next, the covering part 41 of the lid part 4 extending from the top plate part 22 to one side in the long side direction is bent downward, and the lid locking part 42 is bent to the other side in the long side direction to form the second box. 3 and the second side plate 33 and the second flap 36 to close the lid 4. As a result, one end of the first box 2 and the second box 3 in the long side direction is covered, and the first box 2 and the second box 3 are overlapped in the height direction. Fixed.

The article storage material according to the second embodiment is provided with a temporary fastening part 5 that temporarily fastens the first box body 2 and the second box body 3 in a direction in which they overlap in the height direction before closing the lid part 4. There is. When the lid portion 4 is closed, the first box body 2 and the second box body 3 are maintained in a state where they overlap in the height direction. Therefore, in the article storage material 1 according to the first embodiment, the lid locking portion 42 of the lid portion 4 can be easily inserted into the second box body 3.

The temporary fixing part 5 is provided on the second box 3 and inserted into the first box 2, and the lid part 4 is provided on the first box 2 and inserted into the second box 3. When removing the lid part 4 from the second box body 3, it is necessary to pull out the lid part 4 to one side in the long side direction and to the side away from the second box body 3 (upper side). When removing it from the box body 2, it is necessary to pull out the temporary fastening part 5 to one side in the left-right direction and to the side away from the first box body 2 (lower side). Even if an external force in the direction of removing the lid part 4 is applied to the article storage material 1 with the lid part 4 closed unintentionally, the temporary fastening part 5 will not come off, so the first box body 2 and the second box body 3 opens and prevents the article 11 from coming out of the article storage material 1.
In addition, since the locking part 52 of the temporary fastening part 5 and the lid locking part 42 of the lid part 4 overlap, the space between the first box body 2 and the second box body 3 opens and the article 11 is transferred to the article storage material 1. You can prevent it from coming out.

Although the embodiments of the article storage material according to the present invention have been described above, the present invention is not limited to the above embodiments, and can be modified as appropriate without departing from the spirit thereof.
For example, in the above embodiment, the tip 35a of the downwardly bent extension 35 is in contact with the upper surface of the bottom plate 32, but the tip 35a of the downwardly bent extension 35 and the bottom plate A gap may be formed between the upper surface of 32 and the upper surface of 32. Note that the tip portion 35a of the extending portion 35 is designed to protrude below the article 11 accommodated in the article storage material 1. Even if a gap is formed between the tip portion 35a of the downwardly bent extending portion 35 and the upper surface of the bottom plate portion 32, the extending portion 35 will not bend when an impact is applied to the article storage material 1 due to a fall. Since the impact can be absorbed by the object, the impact applied to the article 11 can be reduced.

In the article storage material 1 according to the first embodiment, the extension part 35 is a lower opening corresponding portion corresponding to the inside of the lower opening 311 of the inner lower plate part 31 in the paper material 12 forming the article storage material 1. 121 is formed by being bent downward at the edge of the lower opening 311. The extending portion 35 may be manufactured separately from the inner lower plate portion 31 and attached to the inner lower plate portion 31.

In the above embodiment, the extending portion 35 is provided with first cuts 35b, 35b along both edges 311b, 311b in the long side direction of the lower opening 311 in the paper material 12, and A second notch 35c extending in the long side direction is provided in the lower opening corresponding portion 121 so as to connect the centers in the side direction. It is formed by bending the lower opening corresponding portion 121 downward at the fold line 35d. Only one extending portion 35 may be provided for the lower opening 311, or three or more extending portions 35 may be provided along the lower opening 311. A plurality of extending portions 35 may be provided along the entire edge of the lower opening 311. For example, the plurality of extensions 35 may be arranged radially along the entire edge of the lower opening 311. The shape of the lower opening 311 may be other than rectangular. The lower opening 311 may be, for example, circular, oval, polygonal, or the like.

In the above embodiment, the upper film 24 and the lower film 34 are made of resin, and the members other than the upper film 24 and the lower film 34 are made of paper. On the other hand, the material for manufacturing the article storage material 1 may be set as appropriate.

In the article storage materials 1 and 1B of the above embodiments, the first box 2 and the second box 3 overlap in the height direction, but the upper opening 211 is formed and the upper film 24 is attached. If the inner upper plate part 21 and the inner lower plate part 31 in which the lower opening 311 is formed and the lower film 34 is attached overlap above the bottom plate part 32, the boxes will not overlap. It's okay. Moreover, the bottom plate part 32 does not need to be provided continuously with the inner lower plate part 31. For example, the article storage material has a form in which an inner box is stored in an outer box, and the inner box is provided with an inner upper plate part 21 and an inner lower plate part 31 that overlap vertically, and a bottom plate part 32 is provided in the outer box. The inner upper plate part 21 and the inner lower plate part 31 may be arranged above the bottom plate part 32. Also in this case, the extending portion 35 provided on the inner lower plate portion 31 extends downward toward the bottom plate portion 32.

In the above embodiment, the pair of second side plates 33, 33 are arranged such that the inner lower plate part 31 and the inner upper plate part 21 that overlaps the inner lower plate part 31 are arranged above the bottom plate part 32 with a space therebetween. I support it. A side plate part supports the inner upper plate part 21 so as to be spaced above the bottom plate part 32, and a side plate part supports the inner lower plate part 31 so as to be spaced apart above the bottom plate part 32. The side plate portions may be different side plate portions.

In the above embodiment, the first box body 2 is provided with the first flap 25 that is bent upward continuously from the inner upper plate part 21, but instead of the first flap 25 or 25, a pair of flaps similar to the pair of second flaps 36, 36 of the second box body 3, which are continuously bent inward in the short side direction, are provided on each of the pair of first side plate parts 23, 23. You can leave it there.

1,1B Article storage material 11 Article 12 Paper material 21 Inner upper plate part (upper plate part)
24 Upper film 31 Inner lower plate part (lower plate part)
32 Bottom plate part 34 Lower film 33 Second side plate part (side plate part)
35 Extending portion 35a Tip portion 121 Lower opening corresponding portion 211 Upper opening 311 Lower opening

Claims (4)

A bottom plate portion;
an upper plate part and a lower plate part located above the bottom plate part and arranged to overlap in the vertical direction;
a side plate portion that supports the upper plate portion and the lower plate portion above the bottom plate portion;
The upper plate part is formed with an upper opening that penetrates in the vertical direction, and an upper film that covers the upper opening is pasted,
The lower plate portion is formed with a lower opening that penetrates in the vertical direction, and a lower film that covers the lower opening is attached,
The upper film and the lower film are configured to be able to accommodate articles,
In the article storage material, the lower plate portion is provided with an extension portion extending from the edge of the lower opening toward the bottom plate portion. The article storage material according to claim 1, wherein the extending portion has a shape that allows a tip portion to come into contact with the bottom plate portion. The upper plate part, the lower plate part, the side plate part, the bottom plate part and the extension part are made of paper,
The article storage material according to claim 1 or 2, wherein the upper film and the lower film are made of resin. The extending portion is integrally provided with a paper material forming the lower plate portion, and a lower opening corresponding portion of the paper material corresponding to the inner side of the lower opening is located at an edge of the lower opening. The article storage material according to any one of claims 1 to 3, which is formed by being bent downward.

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