JP6903829B1 - Packaging box with cushioning function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging box having a cushioning function, which has a high cushioning function and can surely protect an contained object. SOLUTION: It has a glued piece 22 which is glued to the back surface of a side surface 20 assembled in a cylinder to retain the shape of the cylinder, and a bottom 118 which closes an opening below the cylinder. A pair of cushioning portions 32, 70 provided inside the bottom portion 118 and facing each other are provided, and one cushioning portion 32 is connected to the glued piece 22. The cushioning portion 32 connected to the glued piece 22 rises continuously and upward at the extension piece 36 located substantially parallel to the bottom portion 118 at a predetermined interval and the end of the extension piece 36 opposite to the glued piece 22. The rising piece 38 and the upper surface piece 40 continuous with the end portion of the rising piece 38 and the middle portion of the height of the glued piece 22 are provided. The top piece 40 holds the bottom surface of the inclusion 112. The rising piece 38 has a downward protruding portion 47 that protrudes downward from the extension piece 36 and whose tip abuts on the bottom portion 118, and an upward protruding portion 50 that protrudes upward from the upper surface piece 40 and partitions the space inside the box. [Selection diagram] Fig. 1

Description

The present invention relates to a packaging box with a buffering function, which is provided with a cushioning partition integrally with the box body and for packaging a plurality of fragile containers such as glass containers in a buffering manner.

Conventionally, there is a packaging box formed by bending and gluing a box-forming piece integrally punched from a sheet made of paper or the like and assembling it. Some such packaging boxes are provided with a cushioning partition for holding a plurality of impact-sensitive contents such as glass bottles integrally with the box body forming piece.

For example, the packaging box with a buffer partition disclosed in Patent Document 1 extends from the bottom flap to the bottom surface side of four side plates connected to each other and assembled in a tubular shape and a pair of side plates facing each other. A buffer support is provided for each. Each buffer support portion is provided with a buffer piece, a cushion bottom portion, and a buffer glue piece in this order, and a buffer partition piece extends to the side of the buffer piece. In the assembled state, the cushioning support portion is integrally provided in the space inside the box at a predetermined interval from the bottom flap, and the space inside the box is partitioned by the buffering partition piece. This positions the buffering dividers between the two inclusions and prevents them from colliding with each other.

Further, in the case having the bottle breaking prevention function disclosed in Patent Document 2, the tip of the case having the bottle breaking prevention function has a tip on at least one side of the pair of rising plates and the top plate rising from the center of the bottom without providing a crease from the rising plate. It is formed by cutting a protrusion up to the top plate side, and when the top plate is horizontal, the protrusion protrudes upward near the rising plate. This positions the protrusions between the two inclusions and prevents them from colliding with each other.

Japanese Unexamined Patent Publication No. 2015-13672 Japanese Unexamined Patent Publication No. 2010-36952

In the case of the above background technology, the cushioning piece or the rising plate that rises in the vertical direction rises directly from the bottom of the box body, and is therefore susceptible to an impact from the bottom of the box body. Further, the buffer partition pieces and protrusions that partition between the pair of inclusions are provided vertically between the pair of inclusions to prevent them from colliding with each other, but the width of the protrusions is narrow and the pair of inclusions is contained. Since the thickness of the sheet itself is only separated between the objects, the cushioning performance is low and it is easily impacted.

The present invention has been made in view of the above-mentioned problems of the background art, and an object of the present invention is to provide a packaging box having a cushioning function, which has a high cushioning function and can reliably protect the contained matter.

The present invention is made from one of the box forming member, and a side assembled to the cylindrical body, and gluing pieces shape retaining the glued to the tubular body on the back surface of the side opening of the lower of the cylindrical body A box body provided with a bottom portion for closing the bottom and a pair of cushioning portions provided inside the bottom portion and facing each other, and one of the cushioning portions is provided in connection with the glued piece. It is a functional packaging box. The cushioning portion connected to the glued piece is a standing extension piece located substantially parallel to the bottom portion at a predetermined interval and standing up continuously at an end portion of the extension piece opposite to the glued piece. A continuous upper surface piece is provided on the upper piece, an end portion of the rising piece, and an intermediate portion of the height of the glued piece. The top piece holds the bottom surface of the inclusion. The rising piece is provided with a downward protruding portion that protrudes downward from the extension piece and the tip of which abuts on the bottom portion, and an upward protruding portion that protrudes upward from the upper surface piece and partitions the space inside the box. There is.

The upward protrusion and the downward protrusion are provided surrounded by a U-shaped or U-shaped cutting line formed on the upper surface piece or the extension piece, and both ends of the cutting line are formed on the rising piece. When provided so as to coincide with the ends and the rising piece is bent with respect to the upper surface piece and the extension piece, the upper protrusion and the lower protrusion are raised from the upper surface piece or the extension piece. It is continuous flush with respect to the rising piece.

The box body forming piece is provided with a side surface connected in parallel with each other and the glued piece provided on the side surface of one end of the side surface in the connecting direction and glued to the back surface of the other side surface of the side surface. One of the pair of cushioning portions is provided at an end portion of the attachment piece that intersects the side surface in a connecting direction and is close to the bottom portion via a fold ruled line. The cushioning portion is provided in order in which the extension piece, the rising piece, and the upper surface piece are separated by a fold ruled line, and the upper surface piece is glued to the back surface of the glued piece at the end of the upper surface piece. A gluing portion is provided via a fold ruled line. Both ends of the cutting line surrounding the downward protrusion and the upward protrusion are continuous with the folding ruled line, and the folding ruled line is interrupted between both ends of the cutting line. The other of the pair of cushioning portions is provided on the side surface adjacent to the side surface on which the glue piece is provided via a fold ruled line.

In the packaging box with a cushioning function of the present invention, the bottom plate of the box body and the cushioning piece or the rising bottom plate are provided separately, or an extension piece separated from the bottom plate is provided, so that external impact from the bottom surface of the box body is not easily transmitted. Even if the upper surface piece is damaged, the extension piece can receive an external impact and can have a high cushioning property. As a result, it has a high cushioning function even when a plurality of fragile contents are stored, and the contents can be reliably protected. Moreover, the structure is simple and easy to assemble.

It is a vertical sectional view of the packaging box with a cushioning function of one Embodiment of this invention. It is a developed view of the packaging box with a buffer function of one Embodiment of this invention. It is a development view seen from the back surface which shows the assembly process of the packaging box with a cushioning function of one Embodiment of this invention. It is a development view seen from the back surface which shows the assembly process of the packaging box with a cushioning function of one Embodiment of this invention. It is a vertical sectional view of the packaging box with a cushioning function of another embodiment. It is a development view of the packaging box with a cushioning function of another embodiment. It is a vertical sectional view of the packaging box with a cushioning function of still another embodiment. It is a development view of the packaging box with a cushioning function of still another embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows one embodiment, and the packaging box 10 with a cushioning function of this embodiment is provided by assembling a box body forming piece 12 formed by punching a paper sheet. FIG. 2 is a developed view of the box body forming piece 12 as viewed from the surface, and the box body forming piece 12 is formed by connecting the side surfaces 14, 16, 18, and 20 in parallel with each other. The side surfaces 14, 16, 18 and 20 have the same length in the width direction in which they are connected, and the lengths in the connecting direction are long on the side surfaces 14 and 18 and almost equal to each other, and the sides 16 and 20 are slightly short and almost equal to each other. equal. Further, a glue piece 22 to be glued to the back surface of the side surface 20 is provided on the side edge portion of the side surface 14. The glued piece 22 has substantially the same size as the side surface 20. The glued pieces 22, the side surfaces 14, 16, 18, and 20 are separated by fold ruled lines 24, 26, 28, and 30, respectively.

A cushioning portion 32 is provided at one end of the glued piece 22 in a direction perpendicular to the connecting direction with the side surface 14, separated by a fold ruled line 34 and connected to each other. The cushioning portion 32 extends long along the extension line of the side edge portion 22a on the side opposite to the fold ruled line 24 of the glued piece 22, and the portion located on the extension line of the side edge portion 22a is the side edge portion 22a. It is a side edge portion 32a which is a straight line parallel to the side edge portion 22a and located at a position slightly closer to the folding ruled line 24 than the side edge portion 22a. The buffer portion 32 is provided with an extension piece 36, a rising piece 38, an upper surface piece 40, and an upper surface piece gluing portion 42 in this order connected to the fold ruled line 34, and the fold ruled lines 44 and 46 parallel to the fold ruled line 34. , Each is separated by a ruled line 48.

The extension piece 36 has a shorter end having the fold ruled line 44 on the opposite side than the end on the fold ruled line 34 side, and the side edge portion 36a close to the fold ruled line 24 on the side opposite to the side edge portion 32a has the fold ruled line 34. It is formed in a deformed trapezoidal shape by inclining toward the side edge portion 32a as it is separated from the side edge portion 32a. The length in the connecting direction with the glued piece 22 is about half the length in the connecting direction with the glued piece 22 on the side surface 14.

The rising piece 38 also has a shorter end having the fold ruled line 46 on the opposite side than the end on the fold ruled line 44 side, and the side edge portion 38a close to the fold ruled line 24 on the side opposite to the side edge portion 32a is the fold ruled line. As it moves away from 44, it is inclined so as to approach the side edge portion 32a, and is formed in a deformed trapezoidal shape. The angle of the side edge portion 38a with respect to the fold ruled line 44 is slightly smaller than the angle of the side edge portion 36a of the extension piece 36 with respect to the fold ruled line 34. The length in the connecting direction with the extension piece 36 is as short as about half that of the extension piece 36.

The upper surface piece 40 also has a slightly shorter end having a breaking line 48 on the opposite side than the end on the fold ruled line 46 side, and the side edge 40a close to the fold ruled line 24 on the opposite side to the side edge 32a is folded. It is formed in a deformed trapezoid by inclining toward the side edge portion 32a as the distance from the ruled line 46 increases. The angle of the side edge portion 40a with respect to the fold ruled line 46 is substantially the same as the angle of the side edge portion 36a of the extension piece 36 with respect to the fold ruled line 34. The length in the connecting direction with the rising piece 38 is substantially the same as that in the extending piece 36, and is about half the length in the connecting direction with the glued piece 22 on the side surface 14.

The upper surface piece gluing portion 42 is rectangular, and the side edge portion 32a and the side edge portion 40a on the side opposite to the side edge portion 32a are substantially parallel to each other. The length in the connecting direction with the upper surface piece 40 is substantially the same as that of the extension piece 36 and the upper surface piece 40.

At the center of the fold ruled line 44, a U-shaped cutting line 45 that is convex on the extension piece 36 side is provided. The inner portion of the cutting line 45 is a downward protruding portion 47 that projects flush with the rising piece 38 when the folding ruled line 44 is bent. Both ends of the cutting line 45 are continuous with the folding ruled line 44, and the folding ruled line 44 is interrupted between both ends of the cutting line 45.

The upper surface piece 40 is provided with an upward protruding portion 50. The upward protruding portion 50 has a shape extending long in a direction perpendicular to the fold ruled line 46, the base end portion is continuous with the center of the fold ruled line 46, the tip portion is located at the center of the upper surface piece 40, and the tip is It is formed in a U shape. The upward protruding portion 50 is surrounded by a U-shaped cutting line 52 and separated from the other portion of the upper surface piece 40. Both ends of the cutting line 52 are continuous with the folding ruled line 46, and the folding ruled line 46 is interrupted between both ends of the cutting line 52. A U-shaped through hole 54 is formed around the upper surface piece 40 continuous with the tip of the upward protruding portion 50.

The extension piece 36, the rising piece 38, and the upper surface piece 40 are reinforced by providing a push ruled line 56 located at a right angle to the folding ruled line 34. The push ruled line 56 is continuous with the fold ruled line 34 and the break line 48, is interrupted around the fold ruled line 44 and near the tip of the upward protruding portion 50, and is not continuous with the cut line 45, the cut line 52, and the through hole 54. The push ruled line 56 is provided at a position where it passes through the center of each of the extension piece 36, the rising piece 38, and the upper surface piece 40.

A rectangular inner upper lid piece 58 is provided on the side surface 14 adjacent to the end of the glued piece 22 on the side opposite to the fold ruled line 34, separated by the fold ruled line 60. At the end of the inner upper lid piece 58 on the side opposite to the fold ruled line 60, an insertion piece 61 that is inserted into the back surface of the side surface 18 after opening the cushioning function packaging box 10 and resealed is separated by the fold ruled line 63. It is provided. At the end of the side surface 14 opposite to the fold ruled line 60, a trapezoidal inner lower lid piece 62 slightly smaller than the inner upper lid piece 58 is provided separated by the fold ruled line 64.

A small rectangular upper flap 66 is provided on the side surface 16 adjacent to the fold ruled line 60 on the side surface 14 so as to be separated by the fold ruled line 68. A buffer portion 70 is provided on the side surface 16 at an end opposite to the fold ruled line 68, separated by a fold ruled line 72 and connected to each other. The cushioning portion 70 is connected to the fold ruled line 72, and a bottom piece 74, a rising piece 76, an upper surface piece 78, and an upper surface piece gluing portion 80 are provided in this order, and a break line 82 parallel to the fold ruled line 72, It is separated by 84 and a fold ruled line 86.

The bottom piece 74 has a shorter end having a breaking line 82 on the opposite side than the end on the fold ruled line 72 side, and a pair of side edges intersecting the fold ruled line 72 are provided with a step portion having a smaller width. There is. The length of the bottom piece 74 in the connecting direction with the side surface 16 is slightly shorter than half the length of the side surface 14 in the connecting direction with the glued piece 22 or the side surface 16. Then, it is shorter than the length of the side surface 14 in the connecting direction with the glued piece 22 or the side surface 16 minus the length of the extension piece 36 of the buffer portion 32 in the connecting direction, and slightly shorter than the extension piece 36. ..

The rising piece 76, the upper surface piece 78, and the upper surface piece gluing portion 80 are rectangular in widths intersecting each other in the connecting direction, slightly shorter than the end portion of the bottom surface piece 74 having the breaking line 82, and from the fold ruled line 26. Is also provided slightly closer to the folding ruled line 28. The lengths in the connecting direction are different from each other, and the rising piece 76 is slightly shorter than the bottom piece 74. The upper surface piece 78 is substantially the same as the bottom surface piece 74, and is shorter than the upper surface piece 40 of the cushioning portion 32. Then, it is slightly shorter than the length of the side surface 14 in the connecting direction with the glued piece 22 or the side surface 16 minus the length of the upper surface piece 40 of the buffer portion 32 in the connecting direction. The upper surface piece gluing portion 80 is slightly longer than the upper surface piece 78, and is substantially the same as the upper surface piece gluing portion 42 of the cushioning portion 32. The length of the entire buffer 70 is shorter than the length of the entire buffer 32.

The bottom piece 74, the rising piece 76, and the top piece 78 are reinforced by providing a push ruled line 81 located at a right angle to the folding ruled line 72. The push ruled line 81 is continuous with the fold ruled line 72 and the fold ruled line 86. The push ruled line 81 is provided at a position where it passes through the center of each of the bottom piece 74, the rising piece 76, and the top piece 78.

A rectangular outer upper lid piece 88 is provided on the side surface 18 adjacent to the fold ruled line 68 of the side surface 16 by being separated by a fold ruled line 90, and the outer upper lid piece 88 is substantially the same size as the inner upper lid piece 58. .. A U-shaped opening break line 92 is provided on the side surface 18 adjacent to the folding ruled line 90. Both ends of the opening break line 92 reach the fold ruled line 90, and further extend along the fold ruled line 90 so as to be separated from each other. The rectangular portion surrounded by the fold ruled line 90 and the opening break line 92 serves as a push portion 94 when opening the packaging box 10 with a cushioning function. At the end of the side surface 18 opposite to the fold ruled line 90, a rectangular outer lower lid piece 96 is provided separated by a fold ruled line 98, and the outer upper lid piece 96 is slightly larger than the inner lower lid piece 62. It is a size that covers the inner lower lid piece 62.

An upper flap 100 having a line-symmetrical shape with the upper flap 66 is provided on the side surface 20 adjacent to the fold ruled line 90 on the side surface 18 so as to be separated by the fold ruled line 102. At the end of the side surface 20 opposite to the fold ruled line 102, a small rectangular lower flap 104 is provided separated by the fold ruled line 106.

Next, an example of the method of assembling the packaging box 10 with a buffer function of this embodiment will be described. Here, FIG. 2 shows the front side of the box body forming piece 12 of the packaging box 10 with a cushioning function, and the box body forming piece 12 is folded in a convex manner so that the front surface is convex, and the back surface is convex. The folding method is called reverse folding.

First, glue 108 is applied to the back surfaces of the upper surface piece gluing portions 42 and 80, and as shown in FIG. 3, the folding ruled line 44 of the cushioning portion 32 and the breaking line 82 of the cushioning portion 70 are normally folded to form the gluing piece 22. Fold it over the back surface of the side surface 16. As a result, the upper surface piece gluing portion 42 is glued to the back surface of the gluing piece 22 with glue 108, and the upper surface piece gluing portion 80 is glued to the back surface of the side surface 16 with glue 108. FIG. 3 is a view of the back surface of the box body forming piece 12. Next, the fold ruled line 26 is folded forward, glue 110 is applied along the fold ruled line 24 on the front surface side of the glued piece 22, and the side edge portion 22a, and the fold ruled line 30 is folded forward. As a result, the back surface of the side surface 20 is glued to the front surface of the glued piece 22 by the glue 110 to be in a folded state, and in this state, the package box 10 with a cushioning function in the folded state by the box body forming piece 12 is a product. It is shipped to the factory that packages 112. The container 112 is a glass bottle or the like containing a liquid agent or the like. The order of gluing and folding may be other than the above.

Next, in the factory for accommodating and packaging the contained material 112, the folding ruled lines 24, 26, 28, and 30 are normally folded at 90 ° to form a quadrangular cylinder. Next, glue 114 is applied to the back surface of the outer upper lid piece 88 along the end opposite to the fold ruled line 90, and the upper flaps 66 and 100 are normally folded at 90 ° along the fold ruled lines 68 and 102 to form the inner side. The upper lid piece 58 is normally folded along the folding ruled line 60, and the insertion piece 61 is further normally folded along the folding ruled line 63 and inserted into the back surface of the side surface 18. Next, the outer upper lid piece 88 is normally folded at 90 ° along the folding ruled line 90. As a result, the back surface of the outer upper lid piece 88 is glued to the surface of the inner upper lid piece 58 with glue 114, and an end face is formed in one opening.

Then, two contents 112 are put in from the other end face. The inclusion 112 is inserted side by side between the side surface 14 and the side surface 18, and the upper end portion of the inclusion 112 is inserted so as to face the inner upper lid piece 58. Then, the extension piece 36 of the buffer portion 32 is normally folded at 90 ° along the fold ruled line 34. Then, the extension piece 36, the rising piece 38, and the upper surface piece 40 are raised from the glued piece 22, stand up substantially at right angles to each other, and are assembled in a U shape. At this time, the upward projecting portion 50 is raised from the upper surface piece 40, becomes flush with the rising piece 38, and projects upward from the upper surface piece 40. The upper surface piece 40 is inserted between a pair of inclusions 112 and serves as a central partition for preventing the inclusions 112 from colliding with each other. The downward projecting portion 47 is raised from the extension piece 36, is flush with the rising piece 38, and projects downward from the extension piece 36. The upper surface piece 40 faces the bottom surface of the container 112 at a position close to the glued piece 22.

Then, at the same time as the folding ruled line 34 is normally folded, the bottom piece 74 of the buffer portion 70 is normally folded at 90 ° along the folding ruled line 72. Then, the bottom piece 74, the rising piece 76, and the top piece 78 are raised from the side surface 16 and stand up substantially at right angles to each other, and are assembled in a U shape. As a result, the upper surface piece 78 faces the bottom surface of the container 112 at a position close to the side surface 16.

Next, the lower flap 104 is folded forward at 90 ° along the fold ruled line 106, glue 116 is applied to the back surface of the outer lower lid piece 96 along the end opposite to the fold ruled line 98, and the inner lower lid piece is applied. The 62 is normally folded at 90 ° along the fold ruled line 64, and then the outer lower lid piece 96 is normally folded at 90 ° at the fold ruled line 98. As a result, the back surface of the outer lower lid piece 96 is glued to the surface of the inner lower lid piece 62 with glue 116, the other opening of the cylinder is closed, and the bottom 118 of the box is formed. As shown in FIG. 1, the cushioning portion 32 and the cushioning portion 70 are assembled so as to face each other, and packaging is completed.

As shown in FIG. 1, the buffer portions 32 and 70 are pressed by the bottom portion 118 to maintain a three-dimensional shape. The bottom surface of the pair of inclusions 112 is supported by the top surface piece 40 or the top surface piece 78, and is separated from the bottom portion 118. The length of the upper surface piece 40 of the buffer portion 32 in the connecting direction with the rising piece 38 is about half the length of the side surface 14 in the connecting direction with the glued piece 22, and is continuous with the upper surface piece 40. The upper piece 38 is located substantially in the center of the bottom 118, and the upward protrusion 50 and the downward protrusion 47 are also located substantially in the center of the bottom 118. The upper surface piece 40 has a sufficient size to cover the bottom surface of one of the contents 112. The upper surface piece 78 of the cushioning portion 70 is shorter than the upper surface piece 40, and the rising piece 76 continuous with the upper surface piece 78 is separated from the rising piece 38 and is located below the bottom surface of the container 112 located near the side surface 16. To do. The tip 47a of the downward protrusion 47 abuts on the bottom 118 and holds the extension piece 36.

When opening the packaging box 10 with a buffer function, the push portion 94 is pushed to cut the opening break line 92 and open the box. When resealing, the insertion piece 61 is inserted into the back surface of the side surface 18 and the inner upper lid piece 58 is locked in the closed state.

According to the packaging box 10 with a cushioning function of this embodiment, it is formed of a box body forming piece 12 having a small area, has a high cushioning function, and can reliably protect and accommodate two containers 112. The assembly method is simple and the packaging process is efficient. A small upward protrusion 50 is installed between the two inclusions 112 as a central partition so that they do not collide with each other. The extension piece 36 is separated from the bottom 118, so that the impact from the bottom 118 is not easily transmitted. Since the buffer portions 32 and 70 are separated from each other and one rising piece 76 supports the bottom surface of the container 112, a sufficient cushioning effect can be obtained.

Next, other embodiments will be described with reference to FIGS. 5 and 6. Here, the same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. The packaging box 120 with a cushioning function of this embodiment is provided by assembling a box body forming piece 122 formed by punching out a paper sheet.

The box body forming piece 122 is formed by connecting the side surfaces 14, 16, 18, and 20 in parallel with each other. Further, the side edge portion of the side surface 20 is provided with a glue piece 23 to be glued to the back surface of the side surface 14. The side surfaces 14, 16, 18, 20 and the glued piece 23 are separated by fold ruled lines 26, 28, 30, and 31, respectively.

A trapezoidal inner upper lid piece 65 is provided at one end of the side surface 14 in a direction perpendicular to the direction of connection with the side surface 16 so as to be separated by a fold ruled line 67. At the end of the side surface 14 opposite to the fold ruled line 67, an inner lower lid piece 62 having the same shape as the inner upper lid piece 65 is provided separated by the fold ruled line 64.

A buffer portion 70 is provided on the side surface 16 at an end opposite to the fold ruled line 68, separated by a fold ruled line 72 and connected to each other. The cushioning portion 70 is connected to the fold ruled line 72, and the bottom surface piece 74, the rising piece 76, the top surface piece 78, and the top surface piece gluing portion 80 are provided in this order, and the breaking line 82 parallel to the fold ruled line 72. It is separated by fold ruled lines 124 and 86, respectively. At the center of the fold ruled line 124, a U-shaped cutting line 126 that is convex on the rising piece 76 side is provided. The inner portion of the cutting line 126 becomes a lateral protruding portion 128 that projects flush with the upper surface piece 78 when the folding ruled line 124 is bent. The U-shaped corner of the cutting line 126 is formed so as to slightly project toward the rising piece 76.

The bottom piece 74, the rising piece 76, and the top piece 78 are reinforced by providing a push ruled line 81 located at a right angle to the folding ruled line 72. The push ruled line 81 is continuous with the break line 82 and the fold ruled line 86, the periphery of the fold ruled line 124 is interrupted, and is not continuous with the cut line 126 and the lateral protrusion 128 inside the cut ruled line 126.

At the end of the side surface 20 opposite to the fold ruled line 102, a cushioning portion 130 is provided so as to be separated by the fold ruled line 132 and connected to each other. The buffer portion 130 is connected to the fold ruled line 132, and the bottom surface piece 134, the rising piece 136, the top surface piece 138, and the top surface piece gluing portion 140 are provided in this order, and the break line 142 parallel to the fold ruled line 132. It is separated by 144 and a fold ruled line 146. The bottom piece 134 has a shorter end having a breaking line 142 on the opposite side than the end on the fold ruled line 132 side, and a pair of side edges intersecting the fold ruled line 132 are provided with a step portion having a smaller width. There is. The rising piece 136, the upper surface piece 138, and the upper surface piece gluing portion 140 have rectangular widths intersecting each other in the connecting direction, and are slightly shorter than the end portion of the bottom surface piece 134 having the breaking line 142. The lengths in the connecting direction are different from each other, and the bottom piece 134 is slightly shorter than the bottom piece 74. The rising piece 136 is about half as short as the bottom piece 134, and the top piece 138 is substantially the same as the bottom piece 134 and shorter than the top piece 78 of the buffer 70. The upper surface piece gluing portion 140 is slightly longer than the upper surface piece 138, and is substantially the same as the upper surface piece gluing portion 80 of the cushioning portion 70. The length of the entire buffer 130 is shorter than the length of the entire buffer 70.

The rising piece 136 and the upper surface piece 138 are reinforced by providing a push ruled line 148 located at a right angle to the folding ruled line 132. The push ruled line 148 is continuous with the break line 142 and the fold ruled line 146. The push ruled line 148 is provided at a position where it passes through the center of each of the rising piece 136 and the upper surface piece 138.

Next, an example of the method of assembling the packaging box 120 with a buffer function of this embodiment will be described. First, glue 108 is applied to the back surfaces of the upper surface piece gluing portions 80 and 140, and the break line 82 of the buffer portion 70 and the break line 142 of the buffer portion 130 are folded forward and folded on the back surfaces of the side surfaces 16 and 20. As a result, the upper surface piece gluing portion 80 is glued to the back surface of the side surface 16 with glue 108, and the upper surface piece gluing portion 140 is glued to the back surface of the side surface 20 with glue 108. Next, the folding ruled line 30 is folded forward, glue 110 is applied to the surface of the glued piece 23, and the folding ruled line 26 is folded forward. As a result, the back surface of the side surface 14 is glued to the front surface of the glue piece 23 by the glue 110, and is in a folded state.

Next, in the factory for accommodating and packaging the contained material 112, the folding ruled lines 26, 28, 30 and 31 are normally folded at 90 ° to form a quadrangular cylinder. Next, glue 114 is applied to the back surface of the outer upper lid piece 88 along the end opposite to the fold ruled line 90, and the upper flaps 66 and 100 are normally folded at 90 ° along the fold ruled lines 68 and 102 to form the inner side. The upper lid piece 65 is normally folded along the folding ruled line 67, and then the outer upper lid piece 88 is normally folded at 90 ° along the folding ruled line 90. As a result, the back surface of the outer upper lid piece 88 is glued to the surface of the inner upper lid piece 65 with glue 114, and an end face is formed in one opening.

Then, two containers 112 are inserted from the other end face, and the bottom piece 134 of the cushioning portion 130 is normally folded at 90 ° along the fold ruled line 132. Then, the bottom piece 134, the rising piece 136, and the top piece 138 are raised from the side surface 20 and stand up substantially at right angles to each other, and are assembled in a U shape. As a result, the upper surface piece 138 faces the bottom surface of the container 112 at a position close to the side surface 20.

Next, at the same time that the folding ruled line 132 is folded forward, the bottom piece 74 of the buffer portion 70 is normally folded at 90 ° along the folding ruled line 72. Then, the bottom piece 74, the rising piece 76, and the top piece 78 are raised from the side surface 16 and stand up substantially at right angles to each other, and are assembled in a U shape. As a result, the upper surface piece 78 faces the bottom surface of the container 112 at a position close to the side surface 16. At this time, the side protruding portion 128 is raised from the rising piece 76, becomes flush with the upper surface piece 78, and protrudes to the side of the rising piece 76. The tip 128a of the lateral protrusion 128 faces the side surface of the container 112 located near the side surface 20 and is separated from the container 112 located near the side surface 16 to serve as a spacer for preventing collisions between the containers 112. Since the rising piece 136 of the cushioning portion 130 is shorter than the rising piece 76 of the cushioning portion 70, the upper surface piece 138 is located lower than the upper surface piece 78, and the lateral protrusion 128 is the lower container 112. Facing the side.

Next, glue 116 is applied to the back surface of the outer lower lid piece 96 along the end opposite to the fold ruled line 98, and the inner lower lid piece 62 is normally folded at 90 ° along the fold ruled line 64, and then The outer lower lid piece 96 is folded forward at 90 ° along the fold ruled line 98. As a result, the back surface of the outer lower lid piece 96 is glued to the surface of the inner lower lid piece 62 with glue 116, the other opening of the cylinder is closed, and the bottom 118 of the box is formed. As shown in FIG. 5, the cushioning portion 70 and the cushioning portion 130 are assembled so as to face each other, and packaging is completed.

As shown in FIG. 5, the buffer portions 130 and 70 are pressed by the bottom portion 118 to maintain a three-dimensional shape. The bottom surface of the pair of inclusions 112 is supported by the top surface piece 78 or the top surface piece 138 and is separated from the bottom portion 118. The upper surface piece 138 is shorter than the upper surface piece 78, and the rising piece 136 continuous with the upper surface piece 138 is located below the container 112 near the side surface 20 away from the rising piece 76 continuous with the upper surface piece 78.

According to the packaging box 120 with a buffer function of this embodiment, it has the same effect as that of the above-described embodiment. In particular, the tip 128a of the lateral protrusion 128 faces the side surface of the contained object 112 and serves as a spacer, so that collisions between the contained objects 112 can be prevented. When a strong impact is applied to the packaging box 120 with a buffer function, the upper part of the container 112 located near the side surface 20 tilts and hits the other container 112 as shown by the alternate long and short dash line in FIG. Since the soft metal cap is attached and hits at the cap part, the glass bottle body is not damaged.

Next, still another embodiment will be described with reference to FIGS. 7 and 8. Here, the same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. The packaging box 150 with a cushioning function of this embodiment is provided by assembling a box body forming piece 152 formed by punching out a paper sheet.

A buffer portion 70 is provided on the side surface 16 at an end opposite to the fold ruled line 68, separated by a fold ruled line 72 and connected to each other. The cushioning portion 70 is connected to the fold ruled line 72, and a bottom piece 74, a rising piece 76, an upper surface piece 78, and an upper surface piece gluing portion 80 are provided in this order, and the fold ruled line 154 parallel to the fold ruled line 72. It is separated by 124 and 86, respectively.

At the center of the fold ruled line 124, a U-shaped cutting line 126 that is convex on the rising piece 76 side is provided. The inner portion of the cutting line 126 becomes a lateral protruding portion 128 that projects flush with the upper surface piece 78 when the folding ruled line 124 is bent. The U-shaped corner of the cutting line 126 is formed so as to slightly project toward the rising piece 76.

The bottom piece 74, the rising piece 76, and the top piece 78 are reinforced by providing two push ruled lines 81 located at right angles to the folding ruled line 72. The push ruled line 81 is continuous with the fold ruled line 72 and the fold ruled line 86, and intersects the fold ruled lines 154 and 124. The push ruled line 81 is provided so as to pass through both sides of the bottom piece 74, the rising piece 76, and the top piece 78 with the center of each.

An upward protruding piece 156 is provided on the side edge of the rising piece 76, which is located at an extension of the fold ruled line 26, separated by a break line 158. The upward projecting piece 156 is a deformed rectangular shape, has a straight side edge portion 156a substantially parallel to the break line 158 on the opposite side of the break line 158, and is at one end of the side edge portion 156a. Is continuous with the end portion 156b of a straight line continuous at the intersection of the fold ruled line 154 and the break line 158, and the end portion 156b is inclined so as to move away from the extension line of the fold ruled line 154 as the distance from the break line 158 increases. The end portion 156c on the opposite side of the end portion 156b is formed in a trapezoidal shape protruding from the extension line of the fold ruled line 124, and the portion protruding from the extension line of the fold ruled line 124 becomes an upward projecting portion 159. A rectangular opening 160 is provided at a position on an extension line of the folding ruled line 124 at substantially the center of the upward protruding piece 156.

At the end of the side surface 20 opposite to the fold ruled line 102, a cushioning portion 130 is provided so as to be separated by the fold ruled line 132 and connected to each other. The buffer portion 130 is connected to the fold ruled line 132, and the bottom surface piece 134, the rising piece 136, the top surface piece 138, and the top surface piece gluing portion 140 are provided in this order, and the fold ruled lines 143 and 145 are parallel to the fold ruled line 132. Each is separated by 146.

The bottom piece 134, the rising piece 136, and the top piece 138 are reinforced by providing two push ruled lines 149 located at right angles to the folding ruled line 132. The push ruled line 149 is continuous with the fold ruled line 132 and the fold ruled line 146, and intersects with the fold ruled lines 143 and 145. The push ruled line 149 is provided so as to pass through both sides of the bottom piece 134, the rising piece 136, and the top piece 138, each having the center.

Next, an example of the method of assembling the packaging box 150 with a buffer function of this embodiment will be described. First, glue 108 is applied to the back surfaces of the upper surface piece gluing portions 80 and 140, and the fold ruled line 154 of the cushioning portion 70 and the fold ruled line 143 of the cushioning portion 130 are folded forward and folded on the back surfaces of the side surfaces 16 and 20. As a result, the upper surface piece gluing portion 80 is glued to the back surface of the side surface 16 with glue 108, and the upper surface piece gluing portion 140 is glued to the back surface of the side surface 20 with glue 108. Further, glue 162 is applied to the surface of the upward protruding piece 156, and the break line 158 is reverse-folded and folded over the surface of the rising piece 76. As a result, the upward projecting piece 156 is glued to the surface of the rising piece 76 with glue 162. Next, the folding ruled line 30 is folded forward, glue 110 is applied to the surface of the glued piece 23, and the folding ruled line 26 is folded forward. As a result, the back surface of the side surface 14 is glued to the front surface of the glue piece 23 by the glue 110, and is in a folded state.

Next, in the factory for accommodating and packaging the contained material 112, the folding ruled lines 26, 28, 30 and 31 are normally folded at 90 ° to form a quadrangular cylinder. Next, glue 114 is applied to the back surface of the outer upper lid piece 88 along the end opposite to the fold ruled line 90, and the upper flaps 66 and 100 are normally folded at 90 ° along the fold ruled lines 68 and 102 to form the inner side. The upper lid piece 65 is normally folded along the folding ruled line 67, and then the outer upper lid piece 88 is normally folded at 90 ° along the folding ruled line 90. As a result, the back surface of the outer upper lid piece 88 is glued to the surface of the inner upper lid piece 65 with glue 114, and an end face is formed in one opening.

Then, two contents 112 are put in from the other end face. Then, the bottom piece 134 of the buffer portion 130 is normally folded at 90 ° along the fold ruled line 132. Then, the bottom piece 134, the rising piece 136, and the top piece 138 are raised from the side surface 20 and stand up substantially at right angles to each other, and are assembled in a U shape. As a result, the upper surface piece 138 faces the bottom surface of the container 112 at a position close to the side surface 20.

Then, at the same time that the folding ruled line 132 is folded forward, the bottom piece 74 of the buffer portion 70 is normally folded at 90 ° at the folding ruled line 72. Then, the bottom piece 74, the rising piece 76, and the top piece 78 are raised from the side surface 16 and stand up substantially at right angles to each other, and are assembled in a U shape. As a result, the upper surface piece 78 faces the bottom surface of the container 112 at a position close to the side surface 16. At this time, the side protruding portion 128 is raised from the rising piece 76, becomes flush with the upper surface piece 78, and protrudes to the side of the rising piece 76. The tip 128a of the lateral protrusion 128 faces the side surface of the container 112 located near the side surface 20 and is separated from the container 112 located near the side surface 16 to serve as a spacer for preventing collisions between the containers 112. Since the rising piece 136 of the cushioning portion 130 is shorter than the rising piece 76 of the cushioning portion 70, the upper surface piece 138 is located lower than the upper surface piece 78, and the lateral protrusion 128 faces the side surface of the container 112. To do. Further, the upward protruding piece 156 is glued to the rising piece 76, and the upward protruding portion 159 of the upward protruding portion 156 is flush with the rising piece 76 and protrudes upward of the upper surface piece 78. The upward protrusion 159 is inserted between the pair of contained objects 112 and serves as a central partition for preventing the contained objects 112 from colliding with each other. Since the upward projecting portion 156 is provided with the opening 160 at a position on the extension line of the folding ruled line 124, the lateral projecting portion 128 passes through the inside of the opening 160 and moves toward the side of the rising piece 76. Protrude.

Next, glue 116 is applied to the back surface of the outer lower lid piece 96, the inner lower lid piece 62 is folded forward to 90 ° along the fold ruled line 64, and then the outer lower lid piece 96 is positively folded to 90 ° along the fold ruled line 98. Fold it. The other opening of the cylinder is closed and the bottom 118 is formed. As shown in FIG. 7, the cushioning portion 70 and the cushioning portion 130 are assembled so as to face each other, and packaging is completed.

According to the packaging box 150 with a cushioning function of this embodiment, it has the same effect as that of the above-described embodiment. In particular, a lateral protrusion 128 and an upward protrusion 159 are provided, and a higher cushioning effect can be obtained.

The present invention is not limited to the above embodiment, and the shape, size, number, and the like of the upper lid piece, the lower lid piece, each flap, and the like can be appropriately changed. The contents to be put in the packaging box with a buffer function can be used for various items other than the medicine bottle containing the liquid agent. The material of the box body forming piece can be freely selected from a synthetic resin other than paper, a material obtained by laminating synthetic resin and paper, and the like. The number and length of the fold ruled line and the push ruled line can be changed as appropriate, and the push ruled line may be provided in addition to the buffer portion. Either a folding ruled line or a breaking line for folding may be selected. The width and length of the cushioning portion in the connecting direction of the extension piece, the bottom piece, the rising piece, the top piece, etc. may be other than the above.

10,120,150 Packaging box with cushioning function 12,122,152 Box body forming pieces 14,16,18,20 Sides 22,23 Glued pieces 32,70,130 Buffering part 36 Extension pieces 38,76,136 Standing Upper piece 40,78,138 Top piece 34,44,46,72,124,132 Folded ruled line 42,80,140 Top piece gluing part 45,52,126 Cutting line 47 Lower protrusion 50,159 Upper protrusion 74, 134 Bottom piece 112 Container 118 Bottom 128 Side protrusion 156 Upward protrusion

Claims (3)

Made from one of the box forming member, a bottom closing the side assembled to the cylindrical body, and gluing pieces shape retaining the glued to the tubular body on the back surface of the side, an opening below said cylindrical body A box body provided inside the bottom portion and provided with a pair of cushioning portions facing each other, and one of the cushioning portions is provided in contact with the glued piece.
The cushioning portion connected to the glued piece is a standing extension piece located substantially parallel to the bottom portion at a predetermined interval and standing up continuously at an end portion of the extension piece opposite to the glued piece. A continuous upper piece, an end portion of the rising piece, and an intermediate portion of the height of the glued piece are provided, and the upper surface piece holds the bottom surface of the container.
The rising piece is provided with a downward protruding portion that protrudes downward from the extension piece and the tip of which abuts on the bottom portion, and an upward protruding portion that protrudes upward from the upper surface piece and partitions the space inside the box. A packaging box with a buffer function, which is characterized by being present. The upward protrusion and the downward protrusion are provided surrounded by a U-shaped or U-shaped cutting line formed on the upper surface piece or the extension piece, and both ends of the cutting line are formed on the rising piece. When provided so as to coincide with the ends and the rising piece is bent with respect to the upper surface piece and the extension piece, the upper protrusion and the lower protrusion are raised from the upper surface piece or the extension piece. The packaging box with a cushioning function according to claim 1, which is flush with the rising piece. The box body forming piece is provided with a side surface connected in parallel with each other and the glued piece provided on the side surface at one end in the connecting direction of the side surface and glued to the other side surface of the side surface, and the glued piece is provided. One of the pair of cushioning portions is provided via a fold ruled line at an end portion that intersects the side surface in a connecting direction and is close to the bottom portion.
The cushioning portion is provided in order in which the extension piece, the rising piece, and the upper surface piece are separated by a fold ruled line, and the upper surface piece is glued to the back surface of the glued piece at the end of the upper surface piece. A gluing portion is provided via a fold ruled line, and both ends of the cutting line surrounding the downward protruding portion and the upward protruding portion are continuous with the fold ruled line, and the fold ruled line is between both ends of the cutting line. Is interrupted,
The packaging box with a cushioning function according to claim 2, wherein the other of the pair of cushioning portions is provided on the side surface adjacent to the side surface provided with the glue piece via a fold ruled line.

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