JP4002897B2 - paper box - Google Patents

Description

  The present invention relates to a packaging paper box for storing various products such as food and cosmetics.

  There is a technology in which, when a gift packaging box or the like is discarded after use, the whole is folded flat, collected as resource waste, recycled, and disposed of. (For example, see Patent Document 1)

Registered Utility Model No. 3046643

  However, in the case of the paper box as described above, not only is the structure of the cut lines and the like provided on each side plate to allow the paper box to be disassembled, but also the dismantling work can be performed easily and with difficulty. There was no inconvenience.

Thus, the present invention is a paper box having a double-folding folding side wall having an inner side wall and an outer side wall, and the front and rear and left and right outer walls on the front and rear and left and right side edges of the square or rectangular bottom plate, The front and rear and left and right inner walls are connected to the front and rear and left and right side edges of the outer wall so as to be foldable through front and rear and left and right edge plates. Front and rear and left and right joining pieces are connected to the side edges so as to be foldable through folds, and left and right side wall connecting engagement pieces having engagement cuts are provided to the front and rear side edges of the left and right inner side walls, respectively, bent freely connected, the front and rear edges of the left and right side edges and the right and left outer wall of said front and rear outer wall, a right-angled triangular folding piece having a crease or perforation in the middle, and connected foldably via a fold the said left and right inner wall lateral side From the end portions of the right and left edges plate side of the fold between the coupling engagement piece, towards the fold between the left and right inner side wall and the left joining piece, and forming a separating eyes in an oblique direction .

Further, in the paper box according to claim 1 , front and rear and left and right joining pieces are connected to the front and rear and left and right side edges of the inner wall so as to be foldable through a fold, and one pair of opposing joining piece opposite ends. Both ends of the other pair of joining pieces are inserted between the bottom plates to hold the paper box upright, and the ends on the left and right edge plates side of the fold between the left and right inner side walls and the left and right side wall connecting engagement pieces From the front and rear side edges of the left and right joint pieces, and the left and right inner side walls and the left and right joint pieces. A cut line formed in an oblique direction is formed toward the crease between them.

  The present invention relates to a paper box having a double-folding foldable side wall having an inner side wall and an outer side wall, and the inner side wall of the paper box is formed by forming a pair of inner side walls facing each other to cut off the inner side wall. The inner wall is easily cut open from the cut line that is easily formed, and the paper box is flattened, thereby making it convenient for recycling and disposal such as collection and storage of the waste paper box.

  In addition, the inner wall and the outer wall are foldably connected to two opposing outer edges of the square or rectangular bottom plate, and the joining piece to be joined to the bottom plate is foldably connected to the outer wall, The other set of joining pieces is inserted between both ends of the pair of joining pieces and the bottom plate so as to hold the paper box upright, and the inner wall and joining pieces of the set are separated. Thus, the paper box can be reliably disassembled with the minimum number of cuts formed on the side wall of the paper box, thereby improving the workability and dismantling of the paper box.

  Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective explanatory view of a paper box for gifts and the like according to the invention, FIG. 2 is an exploded explanatory view thereof, and the paper box 1 includes an upper box 2, a middle box 3 and a lower box 4 of an upper or lower open type, The upper box 2 and the lower box 4 are formed to have substantially the same size and shape, the middle box 3 is inserted into the lower box 4, and the upper half of the middle box 3 is projected from the lower box 4. The upper box 2 is fitted to the protruding portion 3a from above to form a rectangular paper box 1 that can be disassembled.

As shown in FIG. 3, the upper box 2 and the lower box 4 are composed of a single paper box mount 5, and the mount 5 is foldable on the front and rear and left and right side edges of a rectangular bottom plate 6 via fold lines 7, 8 and 9, 10. Front and rear and left and right outer walls 11, 12, 13, 14 connected to the front and rear and left and right side edges of these outer walls 11, 12, 13, 14 are foldable via front and rear and left and right edge plates 15, 16, 17, 18. Before and after connecting to the left and right inner walls 19, 20 and 21, 22, and before and after connecting the front and rear of these inner walls 19, 20, 21, 22 and left and right side edges through folds 23, 24, 25, 26 And left and right side joining pieces 27, 28, 29, 30 and left and right side wall joints having folds 31, 32 and 33, 34, which are foldably connected to the front and rear side edges of left and right inner side walls 21, 22, respectively. The engagement pieces 36, 37 and 38, 39 are connected to the left and right side edges of the front and rear outer walls 11 and 12 and the front and rear side edges of the left and right outer walls 13 and 14 via respective folds 40, 41 and 42, 43, respectively. Te and fold pieces 45, 46, 47, 48 of right triangular shape having a fold line or perforation 44 in the center, between the left and right inner walls 21 and 22 and left and right side walls coupling engaging piece 36, 37 and 38 - 39 Formed obliquely from the ends of the folds 31 and 32 and 33 and 34 on the left and right edge plates 17 and 18 toward the folds 25 and 26 between the left and right inner side walls 21 and 22 and the left and right joining pieces 29 and 30 The cut line 49 and the front and rear side edges of the left and right joint pieces 29 and 30 are formed obliquely toward the fold lines 25 and 26 between the left and right inner side walls 21 and 22 and the left and right joint pieces 29 and 30. The cut-off line 50 is formed.

  As shown in FIGS. 4 to 6, the outer edges 11 to 14 are bent inward approximately 90 degrees through the fold lines 7 to 10 so as to stand upright, and the inner walls 19 to 22 are set to the edge plates 15 to 18. Are bent in a state along the inner side of the outer edges 11 to 14 to form the double side wall 51 by the inner side walls 19 to 22 and the outer side walls 11 to 14, and the joining pieces 27 to 30 are joined to the upper surface of the bottom plate 6. When the left and right inner and outer walls 13, 14, 21, 22 are erected, the respective engagement pieces 36, 37, 38, 39 are bent inward by approximately 90 degrees, and the front left and right engagement pieces 36, 38 and the rear side The left and right engaging pieces 37 and 39 are engaged and connected to each other at the cut 35, and the folding pieces 45 to 48 are folded between the outer walls 11 and 12 to be erected and the engaging pieces 36 to 39 through the perforations 44 and the like. In addition, the inner side walls 19. The upper box 2 is constructed by inserting the left and right end portions of the front and rear joining pieces 27 and 28 between the front and rear end portions of the left and right joining pieces 29 and 30 to be joined on the bottom plate 6 and the bottom plate 6 first. And the assembly of the lower box 4 is completed.

  In addition, as shown in FIG. 7, by inserting a floor plate 6a of the same color as the outer surface of the mount 5 between the bottom plate 6 of the upper box 2 and the lower box 4 and the joining pieces 27-30, the boxes 2.4. It is possible to provide the boxes 2 and 4 excellent in the design feeling in which the outer and inner surfaces are made the same color.

  Further, as shown in FIGS. 8 to 10, the inner box 3 is also composed of a single paper box mount 52, and the mount 52 is bent at the front and rear and left and right side edges of the rectangular bottom plate 53 through fold lines 54, 55 and 56, 57. The front and rear and left and right inner side walls 58, 59 and 60, 61 to be freely connected, and the front and rear and left and right side edges of the inner side walls 58, 59, 60, 61 are connected to bendable through folds 62, 63, 64, and 65. Front and rear and left and right outer walls 66, 67 and 68, 69, and insertion pieces 74, 75 and 76, 77 connected to the front and rear side edges of the left and right outer walls 68, 69 via fold lines 70, 71, 72, 73 And form.

  Then, as shown in FIG. 9, the outer walls 68 and 69 are folded by about 180 degrees from the folds 64 and 65 with respect to the left and right inner walls 60 and 61, and the outer sides of the left and right inner walls 60 and 61 are outside by the double-sided adhesive tape 78 or adhesive. When the walls 68 and 69 are bonded and the respective inner side walls 58 to 61 are bent up to approximately 90 degrees inward as shown in FIG. 10, the front and rear outer walls 66. 67. Each insertion piece 74-77 is bent and inserted between 67 and the inner side walls 58 and 59, and the assembly of the inner box 3 is completed. Hold.

  When the paper box 1 is disassembled after use, in the middle box 3, the middle box 3 is taken out above the lower box 4, and the inner walls 58 to 61 and outer walls are returned to their original state as shown in FIG. As shown in FIG. 7, the left and right inner side walls 21 and 22 and the joining pieces are formed in the upper box 2 and the lower box 4 as shown in FIG. By cutting 29.30 outward, it is not necessary to disengage the engaging pieces 36, 38 and 37, 39, so that the engaging pieces 36, 38, 37, 39 are separated and the front and rear inner walls 11, 12 are separated. In addition, the outer walls 19 and 20 can be easily deployed and flattened to facilitate recycling and disposal.

  As apparent from the above embodiment, in the paper box provided with the folding side wall 51 of the double structure having the inner side walls 11 to 14 and the outer side walls 19 to 22, the facing 1 that opens the inner side walls 21 and 22 is opposed. It is formed on the inner walls 21 and 22 of the set, and the inner walls 21 and 22 are easily opened from the cuts 49 and 50 that are easily formed on the inner walls 21 and 22 of the paper box 1 so that the paper box 1 is flattened. Therefore, it is possible to achieve convenience in recycling and disposal such as collecting and storing waste paper boxes.

  In addition, the inner side walls 11 to 14 and the outer side walls 19 to 22 are foldably connected to two opposing outer edges of the square or rectangular bottom plate, and the joining pieces 27 to 30 joined to the bottom plate 6 are foldable. Are connected to the outer walls 19 to 22, and the other pair of joining pieces 27 and 28 are inserted between the opposite ends of one set of joining pieces 29 and 30 and the bottom plate 6. 2 and the lower box 4 are erected and formed, and a pair of inner side walls 21 and 22 and joint pieces 29 and 30 are formed with separation lines 49 and 50, which are formed on the side wall 51 of the paper box 1. The reliable disassembly of the paper box 1 can be easily performed with a small number of cuts 49 and 50, and the workability and disassembly of the paper box 1 can be improved.

In the above-described embodiment, the upper box 2 and the lower box 4 having a double side wall structure having a thickness corresponding to the width of the left and right edge plates 15 to 18 are separated between the outer walls 11 to 14 and the inner walls 19 to 22. Although the structure which forms 49 * 50 was shown, as shown in FIG. 11, the right-and-left edge plates 15-18 are eliminated, the outer side walls 11-14 and the inner side walls 19-22 are closely_contact | adhered, It is good also as a structure which forms the cut-off part 49 * 50 in the front- and-rear side edge part and the front-and-rear side edge part of the right-and-left joining piece 29 * 30. The left and right inner side walls 21 and 22 and the joining pieces 29 and 30 can be cut out outwardly from the cutouts 49 and 50 in the same manner as in the above-described embodiment to make them flat.

The perspective explanatory drawing of a paper box. Exploded view of a paper box. The top view which shows the expansion | deployment state of an upper box (lower box). The perspective explanatory drawing of an upper box (lower box). Plane explanatory drawing of an upper box (lower box). Explanatory drawing which shows a slit open state. Cross-sectional explanatory drawing of a side wall part. Explanatory drawing which shows the expansion | deployment state of a middle box. Explanatory drawing which shows the half-folded state of an inner box. Explanatory drawing which shows the assembly state of an inner box. Explanatory drawing of the deformation | transformation structure of an upper box (lower box).

Explanation of symbols

1 Paper box 6 Bottom plate 11, 12, 13, 14 Inner side wall 19, 20, 21, 22 Outer side wall 27, 28, 29, 30 Joint piece 49, 50 Cut edge 51 Side wall

Claims (2)

A paper box with a double-folding foldable side wall having an inner side wall and an outer side wall, and the front and rear and left and right outer walls can be bent via a fold at the front and rear and left and right side edges of a square or rectangular bottom plate. The front and rear and left and right inner walls are connected to the front and rear and left and right side edges of the outer wall so as to be foldable via front and rear and left and right edge plates, and the front and rear and left and right side edges of the inner wall are front and rear and left and right. The joining pieces are connected so as to be foldable via folds, and the left and right side wall connecting engagement pieces respectively having engagement cuts on the front and rear side edges of the left and right inner walls are connected foldable via the folds, wherein the front and rear edges of the left and right side edges and the right and left outer walls of the front and rear outer wall, a right-angled triangular folding piece having a crease or perforation in the middle, and connected foldably via a fold, and the right and left inner walls Engagement piece for connecting left and right side walls From the end portions of the right and left edges plate side of the fold between, towards the fold between the left and right inner side wall and the left joining piece, paper box, characterized in that the formation of the separating eyes in an oblique direction. The front and rear and left and right joint pieces are connected to the front and rear and left and right side edges of the inner wall so as to be foldable through folds, and the other pair of joint pieces between the opposite ends of one pair of joint pieces and the bottom plate. The both ends are inserted so as to hold the paper box upright, and the left and right inner walls and the left and right sides are connected to the left and right edge plate side ends of the fold between the left and right inner walls and the left and right side wall connecting engagement pieces. It is formed in an oblique direction toward the crease between the joint pieces, and in an oblique direction from the front and rear side edges of the left and right joint pieces toward the crease between the left and right inner walls and the left and right joint pieces. The paper box according to claim 1 , wherein a separation line is formed .

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