JP2007191204A - Packing box with buffering function - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packing box capable of protecting articles of various sizes by exactly buffering them. <P>SOLUTION: Inner flaps 5 and outer flaps 6 are extended below sidewalls 2 and 3 of a box body 1, and each pair of the inner flaps 5 and the outer flaps 6 are inward folded sequentially to form a bottom wall of the box body 1. A folded part F having lateral mountain-shaped folding lines (a) as a ridge line is provided in the inner flaps 5, and the inner flaps 5 are folded upwardly and outwardly along the folded part F to lay a receiving plate 22 for placing an article between leg plates 9 on the end side. A buffering acceptor 31 is placed on the article and provided with a folded part F having lateral mountain-shaped folding lines (a) as the ridge line along the boundary between the receiving plate 32 and the leg plate 33. The leg plate 33 is folded upwardly and inwardly from the receiving plate 32 abutting on the article along the folded part F so that repulsive force of the folded part F works on the receiving plates 22 and 32 as the box body 1 is sealed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a packaging box with a buffer function used for delivery of various articles.

  Conventionally, in Patent Document 1 below, bent pieces are extended from both side edges of the lid, and each bent piece is folded inward and outward along a straight crease line inserted in the base end and in the middle, There is a description of an object that elastically holds an article and protects it from an impact by repulsion of the bent piece.

Registered Utility Model No. 3024295

  However, in the packaging box as described above, for example, when used for packing goods of various sizes, such as mail order merchandise delivery, a sufficient repulsive force cannot be obtained at the bent portion along the fold line, and the cushioning property May be insufficient.

  Then, this invention makes it a subject to provide the packaging box which can buffer and protect the articles | goods of various sizes reliably.

  In order to solve the above-mentioned problems, a packaging box according to the present invention extends a lower inner flap and an outer flap from a side wall of a box, and sequentially folds each pair of inner and outer flaps inward to form a bottom wall of the box. Forming a bent part with the ridgeline of the chevron lined in the lateral direction as the ridgeline on the inner flap of the bottom wall, and folding the inner flap upward and outward at the bent part, and between the leg plates on the tip side A receiving plate on which the article is placed is handed over so that the repulsive force of the bent portion acts on the receiving plate.

  Also, instead of this configuration, a susceptor is installed on the bottom wall of the box, and as the susceptor, leg plates are connected to both ends of the receiver plate, and are lined up laterally at the boundary between the receiver plate and the leg plate. Using a bent part with an ridgeline of an ridge-shaped ridgeline, the leg plate is bent downward and inward from the receiving plate on which the article is placed, and the repulsive force of the bent portion acts on the receiving plate I tried to do that.

  Further, in each of the packaging boxes, the same loose receiver as described above is placed on the article, the leg plate is bent upward and inward from the receiving plate abutting on the article, and the bent part is repelled as the box is sealed. The force acted on the backing plate.

  In this packaging box, the repulsive force of the bent portion acts on the backing plate, and the repulsive force is strengthened by the mountain-shaped crease lines arranged in the lateral direction, so that various sizes of articles can be elastically received by the backing plate. It can be held and reliably protected from impact. In addition, it is not necessary to prepare various cushioning materials according to the size of the article, so that the packaging cost can be suppressed and the efficiency of the packaging work is improved.

  First, a first embodiment of the present invention will be described with reference to FIGS.

  This packaging box, as shown in the blank of FIG. 1 and the assembly exploded perspective view of FIG. 2, is composed of a box 1 made of corrugated cardboard sheets, a bottom receiver 21 and a loose receiver 31, and is a mail-ordered product. It is used for packing of goods G such as.

  In the blank of the box body 1, the pair of side walls 2 and 3 are alternately connected to each other, and the passage piece 4 is connected to the outside of the one side wall 3. An inner flap 5 is connected to the lower end of the side wall 2, an outer flap 6 is connected to the lower end of the side wall 3, an inner flap 7 is connected to the upper end of the side wall 2, and an outer flap 8 is connected to the upper end of the side wall 3. ing.

  In the middle part of each inner flap 5 at the lower part of the blank, a mountain-shaped crease line a is formed symmetrically so as to form a rhombus, and a vertical cut line for valley fold is formed between the tops. b is inserted, a bent portion F having a fold line a as a ridge line is provided, and a distal end side of the bent portion F is a leg plate 9. An engaging recess 10 is provided at the center of the tip of each inner flap 5 by cutting.

  In the blank of the bottom receiving body 21, bent pieces 23 are continuously provided on both sides of the receiving plate 22 via crease lines, and engaging pieces 24 are projected from the center portions of both ends of the receiving plate 22.

  In the blank of the loose receiving body 31, leg plates 33 are continuously provided at both ends of the receiving plate 32, and, like the inner flap 5 of the box 1, the ruled lines arranged in the horizontal direction at the boundary between the receiving plate 32 and each leg plate 33. Are arranged symmetrically so as to form a rhombus, and a vertical cut line b for valley folding is provided between the tops, and a bent part F having the fold line a as a ridge line is provided. ing.

  When assembling the blank as described above and packing an article such as a product to be sent out by mail order, as shown in FIG. The passage piece 4 is attached to the opposite side wall 2 and the lower inner flap 5 and outer flap 6 are sequentially bent inward to form a bottom wall.

  Next, the inner flaps 5 on both sides are folded upward and outward at the bent portions F, and the bent pieces 23 are bent upward from the receiving plate 22 of the bottom receiving body 21 to reinforce the receiving plate 22, as shown in FIG. 3. As described above, the receiving plate 22 is stretched between the opposing leg plates 9, the engaging piece 24 is engaged with the engaging recess 10, and the article G is placed on the receiving plate 22.

  Thereafter, the leg plates 33 on both sides are bent upward at the bent portion F from the receiving plate 32 of the susceptor 31, and the receiving plate 32 is placed on the article G. As shown in FIGS. While folding, the upper inner flap 7 and the outer flap 8 are sequentially bent inward to seal the box 1.

  In such a packaging box, the repulsive force of the bent portion F acts on the receiving plate 22 of the bottom receiving body 21 and the receiving plate 32 of the loose receiving body 31, respectively. Therefore, the articles G of various sizes can be elastically held so as to be sandwiched from above and below by the receiving plates 22 and 32 and can be reliably protected from impact.

  In addition, it is not necessary to prepare various cushioning materials according to the size of the article G, the packaging cost can be suppressed, and the labor for selecting the cushioning material is saved, so that the efficiency of the packaging work is also improved. .

  Next, a second embodiment of the present invention will be described with reference to FIGS.

  This packaging box uses a normal grooving type corrugated cardboard box without a bent part or a leg plate in the lower inner flap 5 as the box body 1, and on the bottom wall of the box body 1 as in the first embodiment. The loose receiver 31 is installed. Then, the leg plate 33 is bent from the receiving plate 32 of the loose receiving body 31 inwardly at the bent portion F, and the article G is placed on the receiving plate 32.

  In such a packaging box, the repulsive force of the bent portion F acts on the receiving plates 32 of the upper and lower susceptors 31, and the repulsive force is in the shape of a mountain that is lined up in the horizontal direction as in the first embodiment. Since the crease line a becomes strong, the articles G of various sizes can be elastically held by the pair of receiving plates 32 so as to be securely protected from impact.

  In each of the above-described embodiments, the bent portion F is arranged symmetrically so as to form a mountain-shaped crease line a arranged in a horizontal direction so as to form a rhombus, but on one side of a crease line composed of a straight ruled line. The mountain-shaped crease lines a arranged in the lateral direction may be arranged to form a triangle.

The figure which shows the blank of the packaging box which concerns on 1st Embodiment of this invention Exploded perspective view accompanying assembly The perspective view which shows an article packing process same as the above The perspective view which shows the article packaging state same as the above Longitudinal front view Exploded perspective view accompanying assembly of packaging box according to second embodiment of this invention The perspective view which shows the article packaging state same as the above Longitudinal front view

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Box body 2, 3 Side wall 4 Passage piece 5,7 Inner flap 6,8 Outer flap 9 Leg plate 10 Engagement recessed part 21 Bottom receiver 22 Receiver plate 23 Bending piece 24 Engagement piece 31 Slow receiver 32 Receiver plate 33 Leg plate a Fold line b Cut line F Folding part

Claims (3)

  A lower inner flap 5 and an outer flap 6 are extended from the side walls 2 and 3 of the box body 1, and each pair of inner flap 5 and outer flap 6 is sequentially bent inward to form a bottom wall of the box body 1. The flap 5 is provided with a bent portion F having an angled fold line “a” lined in the lateral direction as a ridgeline, the inner flap 5 is folded upward and outward at the bent portion F, and an article is placed between the leg plates 9 on the tip side. A packaging box with a buffer function in which the receiving plate 22 to be placed is passed and the repulsive force of the bent portion F acts on the receiving plate 22.   A loose receiver 31 is installed on the bottom wall of the box 1, and leg plates 33 are connected to both ends of the receiving plate 32 as the slow receiving members 31, and are lined up laterally at the boundary between the receiving plate 32 and the leg plate 33. Using the one provided with the bent portion F with the fold line “a” of the mountain shape as the ridgeline, the leg plate 33 is bent inwardly at the bent portion F from the receiving plate 32 on which the article is placed, and the repulsive force of the bent portion F Is a packaging box with a buffering function which is adapted to act on the receiving plate 32.   3. The packaging box according to claim 1 or 2, wherein the loose receiver 31 according to claim 2 is placed on the article, the leg plate 33 is bent upward and inward from the receiving plate 32 abutting on the article, and the box is formed. A packaging box with a buffer function in which the repulsive force of the bent portion F acts on the receiving plate 32 as the body 1 is sealed.

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