JP4813114B2 - Corrugated cushioning material - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a corrugated cardboard cushioning material that is disposed inside a packaging case and used to prevent damage or breakage of an article to be packaged when the case is transported or stored.

  When shipping and transporting various products produced by the manufacturer, or storing them in a warehouse before shipment, in order to prevent damage or breakage of the packaged goods, a packing material such as cardboard is provided with a cushioning material. It is common to pack various products.

  Conventionally, as a buffer material generally used, a foamed synthetic resin type material such as polyurethane foam and expanded polystyrene can be used. These are light-weight, easy to mold, and excellent in buffering performance. However, they are known to have various adverse effects on the environment such as generation of toxic gas when incinerated and difficulty in recycling.

  Therefore, in recent years, paper cushioning materials that are less likely to affect the environment in processing after use and are easy to recycle have been widely used. In particular, a cushioning material using corrugated cardboard has been widely demanded due to its ease of manufacture and an excellent cushioning function.

As cushioning materials using cardboard, for example, those described in Patent Document 1 and Patent Document 2 are conventionally known. The thing of patent document 1 folds a corrugated board board | plate material like a folding screen, and couple | bonds the bending part with a slit, and is laminated | stacked. Further, the one described in Patent Document 2 is formed by folding and stacking corrugated board materials in a folding screen, and inserting a stopper provided on a side edge portion of the corrugated board material into a concave portion of the laminated end face. According to those described in Patent Document 1 and Patent Document 2, depending on the configuration of the cutout portion, for example, the five surfaces (the end surface in the insertion direction, the top and bottom surfaces, and the insertion direction) when the packaged article has a rectangular parallelepiped shape. It is possible to constitute the cushioning material that receives the two right-angled lateral surfaces) from one corrugated board material. These can be used alone as cushioning materials for the entire packaged article, and can also be used as cushioning materials that support a part of the packaged article, for example, so as to sandwich the packaged article from the left and right. is there. The article to be packaged is packaged in a cardboard case or the like together with these cushioning materials to be shipped and transported.
JP-A-7-291360 Japanese Patent Laid-Open No. 2001-225872

  However, in the corrugated cardboard cushioning materials described in Patent Document 1 and Patent Document 2, for example, when the packaged article has a structure that receives the five surfaces when the packaged article has a rectangular parallelepiped shape, the cushioning effect in the insertion direction of the packaged article is determined. In order to obtain a sufficient value, it is necessary to stack a large number of cardboards. In other words, if the number of stacked cardboards on the outer side in the insertion direction of the packaged article is reduced with respect to the end surface in the insertion direction, a sufficient cushioning effect cannot be obtained. It may cause damage or breakage. In order to prevent the occurrence of these problems, if the number of laminated cardboards is increased, the production cost of the corrugated cardboard cushioning material is increased, and there is a concern about adverse environmental effects.

  The present invention has been made to solve the above-described problems, and the object thereof can be configured from a single corrugated board material, requires a small amount of corrugated cardboard, and is sufficient in the insertion direction of the packaged article. To provide a cushioning material made of corrugated cardboard that can receive the five surfaces when the packaged article has a rectangular parallelepiped shape and has a cushioning effect.

The present invention is a corrugated board cushioning material configured by folding corrugated board material, and the corrugated board material has nine folds between one end and the other end, and the first, second, second 3, fourth, fifth, sixth, seventh, eighth and ninth folds, and further, a first stopper provided at the one end, a third stopper provided at the other end, A fourth stopper provided between the first fold and the second fold, a first slit provided between the third fold and the fourth fold, and a fifth fold provided A second slit, a third slit provided in the sixth fold, a first notch provided between the second fold and the third fold, and the eighth fold. And a second notch provided between the first fold and the ninth fold, and provided between the one end and the second fold. 1 cutout portion, a second cutout portion provided between the second fold and the third fold, and a third cutout portion provided between the fourth fold and the fifth fold. And the first fold is composed of two parts sandwiching the first cut-out portion, and the corrugated board material is folded along the second fold so that the inner surfaces are In addition, it is folded along the first, third and fourth folds, the first fold is engaged with the first slit as a second stopper, and further along the fifth fold. The first stopper is engaged with the second slit, and the corrugated board material is bent along the ninth, eighth, and seventh folds to form a rectangular parallelepiped, 3 stopper is engaged with the third slit Bent at the sixth fold line of the fourth of said stopper first, is engaged in the second notch portion.

  According to the present invention, when the corrugated cushioning material receiving the five surfaces when the packaged article has a rectangular parallelepiped shape is produced by one corrugated board material, the cushioning in the insertion direction of the packaged article is sufficient with a small amount of cardboard resources. An effect can be obtained.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view showing a corrugated cardboard cushioning material according to the present embodiment, FIG. 2 is a development view of the corrugated cardboard cushioning material, and FIG. 3 is an explanatory view showing an assembly process of a corrugated cardboard laminate portion of the corrugated cardboard cushioning material. 4 is an explanatory view showing an assembling process of a hollow buffer portion of the corrugated cardboard cushioning material.

  As shown in FIG. 1, the corrugated cardboard cushioning material of this embodiment is configured by combining a corrugated cardboard laminate 1 and a hollow cushioning part 2. Further, the packaged article is inserted and supported in the article insertion space 3 of the cardboard laminate 1 shown in FIG. The hollow buffer portion 2 includes a surface 4 perpendicular to the insertion direction of the packaged article and a surface 5 parallel to the insertion direction. As shown in FIGS. 3 and 4, the cardboard cushioning material is assembled by folding a single cardboard plate material into each of the cardboard laminate 1 and the hollow cushioning part 2, and combining them. Formed by.

  As shown in the development view of FIG. 2, one substantially rectangular corrugated board material includes a portion 1 a constituting the corrugated board laminate 1 in a part thereof, and the remainder of the corrugated board material constituting the hollow buffer portion 2. 2a.

A first stopper 6 for stabilizing the shape of the entire corrugated board laminate 1 is provided at a side edge portion of the portion 1 a constituting the corrugated board laminate 1. The first cutout part 7 a from the side edge portion side in this order, the second cutout portion 7b, a third cutout portion 7c is provided, the first cutout part 7 a, the second cutout portion 7b, third When the corrugated board material is bent to form the corrugated board laminate 1, the cutout portion 7 c becomes an article insertion space 3 (see FIG. 1) that matches the outer shape of the article to be packaged. In the vicinity of the first cutout part 7 a near side edges, a first fold 8 it is provided. The first fold 8 is formed by cutting the other liner and the corrugated core, leaving only one liner. Here, the liner is a plate material on the surface of the cardboard. The first crease 8 serves as a second stopper for stabilizing the shape of the location of the first crease 8 when it is folded to form the corrugated board laminate 1.

Further, in the portion 1a constituting the corrugated board laminate 1, following the first fold line 8, the second fold line 9a, the third fold line 9b, the fourth fold line 9c , A crease 9d is provided. Of these, between the third fold line 9b and the fourth fold line 9c, a first slit 10 which engages the first fold 8 is a second stopper is provided. On the fifth fold line 9 d, a second slit 11 which engages with the first stopper 6 is provided.

A third stopper 12 for stabilizing the shape of the entire hollow buffer portion 2 is provided on the side edge portion of the remaining portion 2a of the corrugated board material constituting the hollow buffer portion 2. A ninth fold line 13a, an eighth fold line 13b, a seventh fold line 13c, and a sixth fold line 13d are provided in this order from the side edge side. Among these, a third slit 14 that engages with the third stopper 12 is provided on the sixth fold line 13d.

  In addition, the length direction of the thin tube by the corrugated corrugated core of the corrugated board of the remaining part 2a of the corrugated board material constituting the hollow buffer part 2 is parallel to the insertion direction of the packaged article of the corrugated board laminate 1. To do.

And in the part 1a which comprises the corrugated-cardboard laminated body 1, the 4th stopper 15 formed by notching a corrugated-card board material in the location corresponded to the side surface of the corrugated-cardboard laminated body 1 is provided. On the other hand, a portion corresponding to the fourth stopper 15 of the portion 1 a where the corrugated board laminate 1 is formed and the remaining portion 2 a of the corrugated board material constituting the hollow buffer portion 2 is engaged with the fourth stopper 15. A first cutout portion 16 and a second cutout portion 17 are provided.

Next, how to assemble the corrugated board laminate 1 will be described. First, as shown in FIG. 3 (a), the corrugated board material is bent along the second fold line 9a, and the folded inner surfaces are aligned. Next, as shown in FIG. 3B , the corrugated board material is bent along the third fold line 9 b , the fourth fold line 9 c , and the first fold line 8. At this time, the first crease 8 becomes the second stopper and engages with the first slit 10. Next, as shown in FIG. 3C, the corrugated board laminate 1 is completed by bending at the fifth fold line 9 d and engaging the first stopper 6 with the second slit 11.

Then, the assembly method of the hollow buffer part 2 is demonstrated. First, as shown in FIG. 4A, the ninth fold line 13a, the eighth fold line 13b, and the seventh fold line 13c are bent so as to form a rectangular parallelepiped. At this time, the shape of the hollow buffer portion 2 is stabilized by engaging the third stopper 12 with the third slit 14. Next, as shown in FIG. 4 (b), the hollow buffer portion 2 is completed by bending at the sixth fold line 13d.

Finally, the fourth stopper 15 is engaged with the first notch portion 16 and the second notch portion 17 in order to connect the corrugated board laminate 1 and the hollow buffer portion 2 to stabilize the shape, A cardboard cushioning material as shown in FIG. 1 is obtained. In this way, in the corrugated cardboard cushioning material, the corrugated board laminate 1 having the article insertion space 3 is constituted by the part 1a of the corrugated board material, and the packaged article insertion of the corrugated board laminate 1 is inserted by the remaining part 2a of the corrugated board material. A hollow buffer portion 2 is formed adjacent to the surface facing the surface.

  This cardboard cushioning material can be used alone as a cushioning material for the entire packaged article. For example, the cushioning material supports a part of the packaged article so as to sandwich the packaged article from the left and right. It is also possible. The article to be packaged is packaged in a cardboard case or the like together with these cushioning materials to be shipped and transported.

  According to the cardboard cushioning material configured as described above, the impact in the insertion direction of the packaged article can be sufficiently absorbed by the hollow cushioning part 2 without increasing the number of stacked cardboards. Therefore, it is possible to obtain a sufficient cushioning effect in the insertion direction of the packaged article with a small amount of cardboard resources.

  Further, by using the first stopper 6, the second stopper 8, the third stopper 12, and the fourth stopper 15, the shape of the corrugated board laminated body 1, the hollow cushioning portion 2, and the entire corrugated board cushioning material can be obtained. It can be stabilized. Therefore, the buffering effect can be enhanced.

  Further, by making the length direction of the narrow tube by the corrugated core of the corrugated cardboard parallel to the insertion direction of the packaged article of the corrugated cardboard laminate 1, the side surface 4 of the hollow buffer part 2 is easily crushed, The upper and lower surfaces 5 are not easily crushed. With this configuration, the space portion of the hollow buffer portion 2 can absorb the impact from the impact from the corrugated board laminate 1 side, and the length direction of the narrow tube by the corrugated core of the corrugated board Thus, it is possible to construct a corrugated cardboard cushioning material that can obtain a sufficient cushioning effect with less corrugated cardboard resources. That is, the circumference of the hollow buffer portion 2 can be shortened to some extent.

  In addition, by forming the hollow cushioning material 2 into a rectangular parallelepiped shape, it is possible to avoid wasting space when being placed in the packing case, and the size of the packing case can be minimized. It becomes.

  In addition, the corrugated cardboard cushioning material is extremely easy to manufacture, and is excellent in mass productivity and shape stability. Moreover, since it is not necessary to use an adhesive or an adhesive tape, adverse effects on the environment can be minimized.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, the hollow buffer portion 2 does not have to be a rectangular parallelepiped shape, and may be any shape such as various polyhedron shapes in which a space is created.

Further, the article to be packaged inserted into the article insertion space 3 constituted by the first cutout part 7a, the second cutout part 7b, and the third cutout part 7c is not limited to a rectangular parallelepiped, It may be a shape. For example, the article to be packaged may have a cylindrical shape, and the article insertion space 3 may have a shape that receives an end face in the axial direction of the cylindrical article to be packaged and a peripheral surface in the vicinity of the end face.

  INDUSTRIAL APPLICABILITY The present invention is effective as a cushioning material that is disposed inside a packaging case and used to prevent damage or breakage of an article to be packaged when the case is transported or stored.

It is a perspective view which shows the cardboard shock absorbing material of embodiment of this invention. It is an expanded view of the cardboard cushioning material of the embodiment of the present invention. It is explanatory drawing which shows the assembly process of the corrugated board laminated body of the corrugated board cushioning materials of embodiment of this invention, and is assembled in order of (a), (b), (c). It is explanatory drawing which shows the assembly process of the hollow buffer part of the cardboard cushioning material of embodiment of this invention, and is assembled in order of (a) and (b).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Corrugated-cardboard laminated body 1a The part which comprises a corrugated-cardboard laminated body in a corrugated-cardboard board material 2 The hollow buffer part 2a The remainder of the corrugated-cardboard board | plate material which comprises a hollow buffer part 3 Article insertion space 4 Side surface of a hollow buffer part 5 Upper and lower sides of a hollow buffer part surface 6 the first stopper 7 a first the trimming portion of the
7b second cutout
7c 3rd cut-out part 8 1st fold (2nd stopper)
9 a 2nd crease
9b 3rd crease
9c 4th crease
9d 5th fold 10 1st slit 11 2nd slit 12 3rd stopper 13 a 9th fold
13b 8th crease
13c 7th crease
13d 6th crease 14 3rd slit 15 4th stopper 16 1st notch part 17 2nd notch part

Claims (1)

Corrugated cardboard cushion material formed by folding corrugated board material,
The corrugated board material is
It has 9 folds between one end and the other end, and is the first, second, third, fourth, fifth, sixth, seventh, eighth and ninth folds in order from the one end,
Furthermore,
A first stopper provided at the one end;
A third stopper provided at the other end;
A fourth stopper provided between the first fold and the second fold;
A first slit provided between the third fold and the fourth fold;
A second slit provided in the fifth fold;
A third slit provided in the sixth fold;
A first notch provided between the second fold and the third fold;
A second notch provided between the eighth fold and the ninth fold;
A first cutout provided between the one end and the second fold;
A second cutout portion provided between the second fold and the third fold;
A third cutout provided between the fourth fold and the fifth fold;
Have
The first fold is sandwiched the first cut disconnect off portion is composed of two parts,
The corrugated board material is folded along the second crease so that the inner surfaces are aligned with each other, and further folded along the first, third, and fourth folds, and the first crease is a second stopper. Engaging with the first slit, bending along the fifth fold, and engaging the first stopper with the second slit,
The corrugated board material is bent along the ninth, eighth and seventh folds to form a rectangular parallelepiped, the third stopper is engaged with the third slit, and the sixth fold is Bend,
A cardboard cushioning material, wherein the fourth stopper is engaged with the first and second cutout portions.

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