JP2019099264A - Packaging box with buffer function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging box having a cushioning function, which is formed of a box body forming piece having a small area, has a high cushioning function, and can surely protect an contained object. SOLUTION: It is composed of one box body forming piece 12 and has side surfaces 14, 16, 18, 20 assembled in a cylinder body and a bottom portion 108 for closing an open end portion below the cylinder body. A pair of flaps 48, 92 and a cushioning portion 51, which are connected to the lower ends of the pair of side surfaces 16 and 20 facing each other and are overlapped inside the bottom portion 108, are provided. The cushioning portion 51 has a rising piece 52 that is connected to the ends of the flaps 48 and 92 and rises at a predetermined angle, and support pieces 54 and 68. The support pieces 54 and 68 include a lower support piece 68 and an upper support piece 54 located on the container side. The upper support piece 54 inclines toward the bottom 108 as it moves away from the side surfaces 16 and 20, and abuts on the bottom surface of the container. [Selection diagram] Fig. 1

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a shock absorbing packaging box which is provided integrally with a box and provided with a shock absorbing partition and which cushions and protects contents.

  Conventionally, there is a packaging box which is formed by bending and pasting a box-forming piece punched integrally from a blank sheet. Among such packaging boxes, there is one in which a cushioning partition piece for holding an article weak to impact such as a glass bottle is provided integrally with the box-forming piece.

  For example, the packaging box disclosed in Patent Document 1 includes a side surface connected to each other, a bottom lid piece for closing one open end of a cylindrical body formed by assembling the connected side surfaces, and the other opening. The box main body which consists of an upper lid piece which closes an end is formed. Three of the inner walls adhered to the inside of the box body are provided in a connected manner on one of the side surfaces. Lower end portions of two inner walls on both sides of the three inner walls are integrally provided with lower hold portions, which are located on the lower sides of the box main body in the assembled state. In each lower hold portion, a lower buffer piece, a lower support buffer piece, and an adhesive piece are continuously provided via a fold. The lower cushioning piece can project obliquely downward in the box body from the middle of the side surface in the assembled state of the box body, and the corners on both sides of the lower end of the contents can abut to hold the contents in a buffer manner. .

JP 2005-255224 A

  In the case of the above-mentioned background art, the buffer function is not sufficient because the contents are supported by only one lower buffer piece. In addition, since three inner walls are provided to provide the lower hold portion, the area of the box forming piece is large, and there is also a problem that the yield of the blank sheet is not good.

  The present invention has been made in view of the problems of the background art described above, and is formed of a box-shaped piece having a small area, has a high buffer function, and can reliably protect the contents. The purpose is to provide a packaging box.

  The present invention is formed of a single box forming piece, and is connected to a side surface assembled to a cylinder, a bottom portion closing the lower open end of the cylinder, and a lower end portion of the pair of side surfaces facing each other And a shock-absorbing packaging box in which a buffer portion is provided continuously to the pair of flaps. The buffer portion is connected to an end of the flap, and a support piece which is continuous with a rising piece rising from the flap at a predetermined angle, an intermediate portion of the end of the rising piece and the side surface provided with the flap Is provided. The support piece is a lower support piece located on the bottom side of the cylinder, and a storage material side located on the opposite side of the bottom with respect to the lower support piece and placed in the packaging box with buffer function. The upper support piece is provided to be inclined in a direction approaching the bottom as it is separated from the side surface, and incliningly abuts on the bottom surface of the content.

  The upper support piece and the lower support piece are provided with buffer bending curves that cross in the connecting direction with the rising pieces, respectively, and are bent into a valley shape at an obtuse angle, and the buffer bending curves of the lower support piece Of the upper support piece are not aligned vertically below the buffer folds of the upper support piece but are offset from each other in the horizontal direction. The length of the lower support piece in the connecting direction with the rising piece is longer than that of the upper support piece, and one end of the lower supporting piece on the rising side is the upper support of the rising piece It is provided at a position separated from the piece. For this reason, even if the stored material moves up and down, the angle of the buffer folding curve hardly changes, and the cushion function is high. Furthermore, it is preferable that a plurality of auxiliary ruled lines are formed on the lower support piece in a direction intersecting with the buffer folding line.

  The rising pieces rise at an obtuse angle at an inner angle with respect to the flap, and the support pieces are bent at an acute angle at an inner angle with respect to the rising pieces.

  An upper support piece pasting portion glued to the side surface is provided at an end of the upper support piece opposite to the rising piece, and a lower portion glued to the side surface is provided at both ends of the lower support piece A support piece pasting unit and a rising piece pasting unit pasted to the rising piece are provided, and the buffer unit includes the rising piece, the upper support piece, the upper support piece pasting unit, the lower support piece pasting unit, The lower support piece and the rising piece gluing portion are connected in sequence in the order of the creases.

  The pair of flaps is formed such that the sum of the lengths in the direction opposite to each other in the assembled state is shorter than the bottom portion to create a gap between the pair of flaps, and the pair of buffer portions connected to the flaps It is separated.

  The functional packaging box of the present invention is formed of a box forming piece with a small area, has a high cushioning function, and can securely protect the contents. The support piece in contact with the contents is a two-layer structure of the upper support piece and the lower support piece, and the lower support piece has the function of a spring for supporting the upper support piece, has high cushioning properties, and safety high. Therefore, even if a large force is applied to the contents, it can be reliably held, and the external impact can be absorbed, and damage can be prevented even if it receives an impact such as falling.

It is a longitudinal cross-sectional view of the packaging box with a shock absorbing function of one Embodiment of this invention. It is an expanded view of the packaging box with a shock absorbing function of this embodiment. It is the expanded view seen from the back which shows the assembly process of the packaging box with a shock absorbing function of this embodiment. It is the expanded view seen from the back which shows the assembly process of the packaging box with a shock absorbing function of this embodiment. It is a longitudinal cross-sectional view which shows the assembly process of the packaging box with a shock absorbing function of this embodiment.

  Hereinafter, embodiments of the present invention will be described based on the drawings. FIG. 1 shows one embodiment of the present invention, and the shock-absorbing packaging box 10 of this embodiment is provided by assembling a box-forming piece 12 formed by punching out a paper blank sheet. . FIG. 2 is a developed view of the box-forming piece 12 as viewed from the surface, and the box-forming piece 12 is formed by connecting side faces 14, 16, 18, 20 in parallel to one another. The side surfaces 14, 16, 18 and 20 have substantially the same rectangular shape, and the side edges of the side surface 20 are further provided with glued pieces 22 to be glued to the back surface of the side surface 14 in the assembled state of the shock absorbing packaging box 10. It is done. The side surfaces 14, 16, 18, 20 and the glued pieces 22 are provided by being separated by fold lines 24, 26, 28, 30 respectively.

  On the side surface 14, a rectangular inner upper lid piece 32 is provided by being separated by a fold line 34 at one end in a direction perpendicular to the connecting direction of the side surfaces. A U-shaped tearing-off line 36 is provided at a portion of the side surface 14 adjacent to the crease line 34. The tearing line 36 for opening is formed in a U-shape that bulges away from the creased line 34, and both ends of the tearing line 36 for opening reach the creased line 34 and are further separated from each other along the creased line 34 It is extended to A rectangular portion surrounded by the tearing line 36 for opening and the folding line 34 serves as a pushing portion 38 when the packaging box 10 with a shock absorbing function is opened. At the end of the side surface 14 opposite to the crease line 34, a rectangular inner bottom lid piece 40 is provided separated by the crease line 42.

  In a portion of the side surface 16 adjacent to the fold line 34 of the side surface 14, a small trapezoidal flap 44 whose lower base is the end of the side surface 16 is provided by being separated by the fold line 46. A small trapezoidal flap 48 whose lower base is the end of the side surface 16 is also provided at the end of the side surface 16 opposite to the folding line 46 and separated by the folding line 50. The length of the flap 48 in the direction perpendicular to the crease 50 is slightly shorter than that of the flap 44 and does not reach the center of the bottom 108 when the shock absorbing packaging box 10 is assembled.

  At the end 48 a of the flap 48 opposite to the crease 50, a buffer portion 51 is continuously provided separated by the crease 58. First, the buffer portion 51 is connected to the end portion 48a, and the rising piece 52, the upper support piece 54, and the upper support piece pasting portion 56 are provided in order, and the creased portions 60 and 62 are parallel to the end portion 48a. Each is separated. The rising piece 52, the upper support piece 54, and the upper support piece pasting unit 56 have the same rectangular width intersecting in the connecting direction, and are slightly shorter than the end 48a of the flap 48. The lengths in the connecting direction are different from each other, the rising piece 52 is slightly longer than the flap 48, the upper support piece 54 is longer than the rising piece 52, and the upper support piece pasting portion 56 is the shortest and slightly shorter than the flap 48.

  The upper support piece 54 is provided with a buffer bending curve 64 parallel to the creases 60 and 62, and the contact surface 54a on the upper support piece pasting portion 56 and the contact surface 54b on the rising piece 52 side. Are separated by The abutting surface 54 a is a surface that abuts on the tablet-containing medicine bottle 11 which is a storage item described later, and the abutted surface 54 b does not abut on the tablet-containing medicine bottle 11. The buffer folding curve 64 is located closer to the folding line 62 than the folding line 60, and the contact surface 54a has a shorter length in the connecting direction than the contact surface 54b.

  At the end 56 a of the upper support piece pasting unit 56 opposite to the crease line 62, the lower support piece pasting unit 66 which is a part of the buffer 51, the lower support piece 68, and the rising piece pasting unit 70 They are provided in series in order, and are respectively separated by creases 72, 74, 76 parallel to the end 56a. The lower support piece pasting unit 66, the lower support piece 68, and the rising piece pasting unit 70 have the same rectangular width crossing in the connecting direction, and are slightly shorter than the end 56a of the upper support piece pasting unit 56. The length of the connecting direction is different from each other, and the lower support piece pasting unit 66 is slightly longer than the continuous upper support piece pasting unit 56, and is overlapped with the upper support piece pasting unit 56 in the assembled state of the shock absorbing packaging box 10. When glued, the end on the crease 74 side is located slightly below. The lower support piece 68 is longer than the lower support piece pasting portion 66, and is slightly longer than the upper support piece 54 which is spaced apart in the assembled state. The standup glued portion 70 is shorter than the lower support piece 68 and the lower support piece glued portion 66 and shorter than the standup piece 52 glued in the assembled state.

  The lower support piece 68 is provided with a buffer folding line 77 parallel to the folding lines 74 and 76 in the middle of the folding lines 74 and 76. Also, four auxiliary ruled lines 78 are provided to make the lower support piece 68 less likely to bend. The respective auxiliary ruled lines 78 are formed to have a length perpendicular to the creases 74 and 76, equally spaced from one another, and not reaching the creases 74 and 76. The buffer folding curve 77 and the auxiliary ruled line 78 are provided, for example, in a press mold.

  A rectangular outer upper lid piece 80 is provided on the side surface 18 adjacent to the creased line 46 of the side surface 16 by being separated by a creased line 82, and the outer upper lid piece 80 is slightly larger than the inner upper lid piece 32. At the end of the side face 18 opposite to the creased line 82, a rectangular outer upper lid piece 84 is provided separated by the creased line 86, and the outer bottom lid piece 84 is slightly larger than the inner bottom lid piece 40.

  A flap 88 having the same shape as the flap 44 is provided by being separated by a fold line 90 at a portion of the side surface 20 adjacent to the fold line 82 of the side surface 18. A flap 92 having the same shape as the flap 48 is provided at the end of the side surface 20 opposite to the crease 90 and separated by a crease 94.

  Also at the end 92 a of the flap 92 opposite to the fold line 94, the buffer portion 51 is continuously provided separated by the fold line 58. The buffer portion 51 is connected to the end 92a of the flap 92, and the rising piece 52, the upper support piece 54, the upper support piece pasting unit 56, the lower support piece pasting unit 66, the lower support piece 68, and the rising piece pasting unit 70 are provided by being separated by fold lines 60, 62, 72, 74, 76. The upper support piece 54 is provided with a buffer bending curve 64, and is divided into an abutting surface 54a on the upper support piece pasting portion 56 side and an abutted surface 54b on the rising piece 52 side. The lower support piece 68 is provided with a buffer folding curve 77 and an auxiliary creased line 78.

  Next, an example of an assembly method of the shock-absorbing packaging box 10 of this embodiment will be described. Here, FIG. 2 shows the front side of the box forming piece 12 of the shock absorbing function packaging box 10, and the folding method in which the front side of the box forming piece 12 is convex is correctly folded, and the back side is convex. The folding method is called reverse folding.

  First, the glue 98 is applied to the back surface of the pair of rising piece glued parts 70, the glue 96 is applied to the back surface of the pair of upper support piece glued parts 56, and the creased line 72 is correctly folded. Then, the back surface of the rising piece gluing portion 70 is glued to the back surface of the rising piece 52 with the glue 98, and the back surface of the upper support piece gluing portion 56 is glued to the back surface of the lower support piece gluing portion 66 with the glue 96. It will be in the state shown. In addition, FIG. 3 looks at the back surface of the box formation piece 12. As shown in FIG.

  Next, the glue 100 is applied to the surface of the lower support piece pasting unit 66, and the creased line 58 is folded in a regular manner. Then, the surface of the lower support piece pasting part 66 is pasted with the paste 100 on the side face 16 or the back face of the side face 20, and the state shown in FIG. In addition, FIG. 4 looks at the back surface of the box formation piece 12 similarly to FIG.

  Next, the glue 102 is applied to the surface of the glued piece 22, the creased line 28 is folded normally, and then the creased line 24 is folded normally. As a result, the back surface of the side surface 14 is glued to the surface of the glued piece 22 with the glue 102 and is in a folded state, and in this state the packaging box 10 with buffer function in the folded state by the box forming piece 12 packages the contents. To the factory where

  Next, in a factory that accommodates and packages the contents, the creased lines 24, 26, 28, 30 are each folded regularly at 90 ° to form a rectangular cylinder. Next, glue 104 is applied to the back of the outer upper lid piece 80 along the end opposite to the creased line 82, and the flaps 44 and 88 are folded regularly at 90 ° with the creased lines 46 and 90, and the inner upper lid piece 32 is folded regularly at the folding line 34, and then the outer upper lid piece 80 is folded regularly at 90 ° by the folding line 82. Thereby, the back surface of the outer upper lid piece 80 is glued to the surface of the inner upper lid piece 32 with the glue 104, and one end surface is formed.

  And the pill bottle 11 which is a content is put in from the other end surface. Then, the flaps 48 and 92 are normally folded at 90 ° by the fold lines 50 and 94. Then, the state shown in FIG. 5 is passed, and as shown in FIG. 1, the rising piece 52 is raised at an obtuse angle at the fold line 58 with respect to the flaps 48 and 92, and the upper support piece 54 is raised. The end of the upper support piece 54 on the side of the fold line 62 is continuous with the upper support piece pasting unit 56 glued to the side faces 16 and 20, and the rising piece 52 and upper support piece 54 are assembled in a deformed U-shape. Also, the lower support piece 68 is located below the upper support piece 54 from the end of the lower support piece glued part 66 glued between the upper support piece pasting portion 56 and the side surface 16 and on the crease line 74 side. The rising piece pasting portion 70 glued to the rising piece 52 is reached along with being spaced apart. Thus, the upper support piece 54 and the lower support piece 68 have a double structure. Since the length of the lower support piece 68 is slightly longer than that of the upper support piece 54 in the connecting direction, the buffer folding curve 77 is slightly folded back. Thus, since the buffer part 51 is assembled and the buffer parts 51 are respectively provided to the flaps 48 and 92, the pair of buffer parts 51 are provided facing each other and separated from each other.

  Next, apply glue 106 to the back surface of the outer bottom lid piece 84 along the end opposite to the crease 86, and fold the inner bottom lid piece 40 at 90 ° with the crease 42 and then outside The upper lid piece 84 is folded regularly at 90 ° by the fold line 86. Thereby, the back surface of the outer upper lid piece 84 is glued to the surface of the inner bottom lid piece 40 with the glue 106, and the other end surface of the cylindrical body is closed to form the bottom portion 108 of the box.

  As shown in FIG. 1, the pair of opposing buffer portions 51 is held by the bottom portion 108 to maintain a three-dimensional shape. Two places of the bottom of the tablet-containing vial 11 located in the diametrical direction of the peripheral portion come into contact with the contact surface 54a of the upper support piece 54 and are pushed downward by the tablet-containing vial 11 54 is slightly folded back at the buffer folding line 64 and folded in a valley shape. At this time, the contact surface 54a has an acute angle of about 45 ° with respect to the bottom portion 108, and the contact surface 54b has an oblique angle near the horizontal at an obtuse angle with respect to the bottom portion 108.

  The lower support piece 68 is inclined in a direction away from the upper support piece 54 as it approaches the buffer folding curve 77 in a portion closer to the lower supporting strip pasting portion 66 than the buffer folding curve 77, and the buffer folding The portion closer to the rising piece glued portion 70 than the curve 77 inclines in the direction approaching the upper support piece 54 as it gets closer to the rising piece glued portion 70, and the buffer folding curve 77 is most separated from the upper support piece 54, It is bent in a valley shape. The buffer folding curve 77 is not positioned below the vertical direction of the buffer folding curve 64 but at a position shifted toward the rising piece gluing unit 70 side. The fold line 76 located at the end of the lower support piece 68 is closer to the bottom 108 than the fold line 60 located at the end of the rising piece 52. From this, the lower support piece 68 has a function of a spring for supporting the upper support piece 54. That is, when the downward force is applied to the tablet-containing medicine bottle 11 and the angle of the buffer bending curve 64 of the upper support piece 54 is changed, the change of the angle can be suppressed small by the elasticity of the lower support piece 68. An auxiliary ruled line 78 is formed on the lower support piece 68 to increase the bending strength and the resilience.

  According to the shock absorbing packaging box 10 of this embodiment, it is formed of the box forming piece 12 with a small area, has a high shock absorbing function, and securely protects the pill container 11 which is a container. it can. The tablet-containing medicine bottle 11 is held in contact with the inclined contact surfaces 54a of the pair of upper support pieces 54 at two places in the diametrical direction of the bottom, held between the inclined surfaces, and has no gap. . The upper support piece 54 is bent at the buffer bending curve 64 to have elasticity, and when the tablet vial 11 is subjected to a downward force or vibrated up and down, the bending angle of the buffer bending curve 64 changes. Cushioning effect and can absorb vibration. The lower support piece 68 has the function of a spring for supporting the upper support piece 54, and can suppress the change in the angle of the buffer folding curve 64 to a small degree, and even if a large force is applied to the tablet vial 11. It can be held securely. Therefore, it is possible to absorb a strong impact from the outside and prevent damage due to the impact such as falling. The lower support piece 68 is provided with the auxiliary ruled line 78 along the curving direction, and the bending strength is high and the restoring force is also high, so it is possible to have a high elastic force.

  The present invention is not limited to the above embodiment, and the shape, size, number, and the like of the top cover piece, the bottom cover piece, and the flaps can be appropriately changed. The contents can be used for various articles other than a pill bottle. The material of the box-forming piece may be freely selected, for example, synthetic resin or a laminate of synthetic resin and paper in addition to paper. The number and length of the fold ruled lines and the auxiliary ruled lines can be appropriately changed, and the auxiliary ruled line may be provided in addition to the lower support piece. The creases may be provided by broken lines or the like to facilitate bending. In addition, a partition or the like for fixing the contents may be added to the inside of the box. The widths of the rising pieces, the upper support pieces, the lower support pieces, and the like in the connecting direction may be other than those in the above-described embodiment, and may be equal to each other, for example.

10 Packaging box with buffer function 11 medicine bottle (containment)
12 box forming pieces 14, 16, 18, 20 side surfaces 48, 92 flaps 48a, 92a end 51 buffer portion 52 rising piece 54 upper support piece 56 upper support piece pasting part 58, 60, 62, 72, 74, 76 Curved line 64, 77 Buffering folding line 66 Lower support piece glued part 68 Lower support piece 70 Rising piece glued part 78 Auxiliary ruled line 108 Bottom part

Claims (4)

Formed of a single box-forming piece, connected to the side assembled to the cylinder, the bottom closing the lower open end of the cylinder, and the lower ends of the pair of sides facing each other A pair of flaps overlapped on the inside of the bottom, and a buffer provided in series to the pair of flaps;
The buffer portion is connected to an end of the flap, and a support piece which is continuous with a rising piece rising from the flap at a predetermined angle, an intermediate portion of the end of the rising piece and the side surface provided with the flap Is provided,
The support piece is a lower support piece located on the bottom side of the cylindrical body, and an upper support piece located on the side of the container that is opposite to the bottom with respect to the lower support piece and placed in the cylindrical body. And the upper support piece is inclined in a direction approaching the bottom as it is separated from the side surface, and inclined and abuts on the bottom surface of the container. The upper support piece and the lower support piece are provided with buffer bending curves that cross in the connecting direction with the rising pieces, respectively, and are bent into a valley shape at an obtuse angle, and the buffer bending curves of the lower support piece Are not in line with the vertical downward direction of the buffer folds of the upper support piece but are offset horizontally,
The length of the lower support piece in the connecting direction with the rising piece is longer than that of the upper support piece, and one end of the lower supporting piece on the rising side is the upper support of the rising piece The shock absorbing packaging box according to claim 1, wherein the packaging box is provided at a position separated from the piece.   The shock absorbing packaging according to claim 1, wherein the rising pieces have an obtuse angle with respect to the flaps, and the support pieces are bent at an acute angle with respect to the rising pieces. box.   An upper support piece pasting portion glued to the side surface is provided at an end of the upper support piece opposite to the rising piece, and a lower portion glued to the side surface is provided at both ends of the lower support piece A support piece pasting unit and a rising piece pasting unit pasted to the rising piece are provided, and the buffer unit includes the rising piece, the upper support piece, the upper support piece pasting unit, the lower support piece pasting unit, The packaging box with a shock absorbing function according to claim 1, wherein the lower supporting piece and the rising piece pasting portion are connected in order in the order of the creases.

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