JP2004292023A - Packaging box with opening assistant function - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an easily openable packaging box with an opening assistant function having a flat and neat outside. <P>SOLUTION: This relates to a packaging box with an opening assistant function made of a box formation piece 12 punched out in one piece from one blank sheet. The piece 12 is provided with side faces 14, 16, 18, 20 connected in parallel with each other and a top lid piece 32 formed in one piece from the side face 16 for closing an opening when the piece 12 is assembled. The lid piece 32 has a break part 38 held by a pair of cutting lines 36 to be cut in opening. Of the folding ruled lines 48 at the corner of the side face 14 facing the line 36 at the end of the piece 32, excluding the line 48 of the part facing the end of the line 36, an opening assistant face 51 forming a space between the end of the part 38 and the corner part of the side face 14 is provided in the corner of the side face 14. The face 51 is formed by an opening assistant ruled line 50 moved at least toward one side relative to the line 48. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a packaging box with an opening assisting function provided with an opening score line in an upper lid piece.
[0002]
[Prior art]
[Patent Document 1] Japanese Patent Application Laid-Open No. 2002-234531 Conventionally, there is a packaging box in which a cut line for opening is provided on an upper lid piece. For example, there is a packaging box disclosed in Patent Document 1. This packaging box is provided with a pair of cut lines parallel to each other across the vicinity of the center of the upper lid piece. The band-shaped portion between the pair of cut lines is a broken portion which is cut off from the cut line when opening.
[0003]
In addition, a pair of cut lines are formed in the center of the front end side edge of the upper lid piece, and a pair of cut lines formed diagonally away from each other toward the base end side of the upper lid piece from this front end. There is also an upper lid piece with a line formed.
[0004]
[Problems to be solved by the invention]
In the case of the above-mentioned conventional technology, the upper lid piece is glued to the side surface or the flap, and the end of the broken portion provided on the upper lid piece matches the side surface or the corner of the box of the flap portion. There were no gaps or knobs for holding and lifting, making it difficult to pick. Therefore, the operation was troublesome, such as inserting a nail between the broken portion and the corner, raising the tip, and picking. Particularly, it was difficult for children, the elderly, and handicapped people to open the package.
[0005]
In addition, there was a packaging box where the tip of the broken part protruded from the corner of the box and could be opened, but careless if the tip of the broken part was caught on other things or a force was applied to the tip of the broken part However, there was a problem that it was easily broken.
[0006]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and has as its object to provide a packaging box with an opening assisting function, in which the outside of the box is flat and neat, and which can be easily opened.
[0007]
[Means for Solving the Problems]
The present invention relates to a packaging box with an opening assist function formed by a box forming piece integrally punched from one blank sheet, wherein the box forming piece has side surfaces connected in parallel to each other, A lid piece integrally provided from one of the side surfaces and glued to a part of the box body forming piece in an assembled state of the box body forming piece to close an opening of the box body; and a lid piece formed on the lid piece and opened. A broken portion sandwiched between a pair of cut lines that are sometimes cut, and a portion of the crease line of a side corner portion facing the cut line at one end of the lid, the portion facing the end of the cut line. A packaging box with an opening assisting function in which an opening assisting surface that forms a space between an end portion of the break portion and the side corner is provided at the side corner without a crease line.
[0008]
The opening assisting surface is located at a vertex of the corner, and an opening assisting folding line moved to at least one side is provided with respect to a folding line for facilitating folding of the corner. The opening assisting surface is formed by folding the box forming piece at the ruled line. Further, a pair of the opening auxiliary folding line may be provided substantially in parallel on both sides of the folding line, and a continuous shape such as a hexagon or an oblong connecting the folding line and the pair of opening auxiliary folding lines. May be.
[0009]
In addition, a member such as an upper cover piece facing the opening assisting folding ruled line is provided with a notch for exposing the opening assisting folding ruled line.
[0010]
In the packaging box with the opening assisting function of the present invention, a finger is inserted between the opening assisting surface and the end of the broken portion, the broken portion is pinched, and the cut line of the broken portion is cut by lifting. When the cut line is cut and the broken portion is removed from the lid piece, the lid piece is divided and can be opened.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 to 4 show a packaging box 10 with an opening assistance function according to a first embodiment of the present invention. The packaging box 10 with an opening assistance function according to this embodiment is one sheet of thick paper or the like. It is provided by assembling a box forming piece 12 formed by punching a blank sheet.
[0012]
The box body forming piece 12 has side surfaces 14, 16, 18, and 20 connected to each other in parallel. Further, a glued piece 22 that is glued to the inside of the side surface 14 in the assembled state of the packaging box 10 with the opening assist function is provided on the side edge of the side surface 20. The side surfaces 14, 16, 18, 20 and the glued piece 22 are separated by crease lines 24, 26, 28, 30, respectively.
[0013]
An upper cover piece 32 is provided at an end portion of the side surface 16 which is positioned parallel to the connecting direction of the adjacent side surfaces 14 and 18, and is separated by a fold line 34. The width of the upper lid piece 32 in the direction perpendicular to the fold line 34 is formed to be substantially the same as the interval between the side surfaces 16 and 20 in the assembled state. The width of the upper cover piece 32 in the direction parallel to the fold line 34 is formed to be substantially the same as the width of the side surface 16, and the portion near the tip 32 a is formed slightly thinner.
[0014]
At the approximate center of the upper lid piece 32, a break 38 formed between one pair of intermittent cut lines 36 is formed from one end of the upper lid piece 32 to the other end in parallel with the crease line 34. ing. A cut line 40 into which a later-described insertion piece 68 of an inner lid piece 64 is inserted is provided in a portion closer to the fold line 34 than the break portion 38. The central portion of the cut line 40 is a straight line substantially parallel to the crease line 34, and both end portions are obliquely bent away from the crease line 34. A straight line extends from the central portion of the cut line 40 in a direction substantially perpendicular to the crease line 34.
[0015]
On the other hand, a rectangular bottom cover piece 42 is provided at an end of the side surface 16 opposite to the fold line 34 so as to be divided by the fold line 44.
[0016]
A trapezoidal flap 46 is provided at an end of the side surface 14 adjacent to the fold line 34 of the side surface 16 and is separated by a fold line 48. The fold line 48 is divided near the center of the fold line 48, and opening assisting fold lines 50 parallel to the fold line 48 are formed on both sides of the divided portion. Further, a trapezoidal flap 52 is provided at an end of the side surface 14 adjacent to the fold line 44 and is separated by the fold line 54.
[0017]
At the end of the side surface 18 adjacent to the fold line 34, a trapezoidal flap 56 symmetrical to the flap 46 is provided separated by a fold line 58. Further, a flap 60 is provided at an end of the side surface 18 adjacent to the fold line 44 by being separated by a fold line 62.
[0018]
At the end of the side surface 20 adjacent to the fold line 58, a trapezoidal inner lid piece 64 larger than the flap 56 is provided separated by a fold line 66. At the center of the tip of the inner lid piece 64, a small trapezoidal insertion piece 68 is formed to protrude toward the tip. Further, a flap 70 is provided at an end of the side surface 20 adjacent to the fold line 62 by being separated by a fold line 72.
[0019]
Next, a method of assembling the packaging box 10 with the opening assistance function of this embodiment will be described. Here, FIG. 1 is a view of the front side of the box forming piece 12 of the packaging box 10 with the opening assisting function. The folding method in which the side is convex is called reverse folding.
[0020]
First, the glue 74 is applied to the surface of the glued piece 22, the crease line 28 is folded forward, then the crease line 24 is folded forward, and the back surface of the side surface 14 is glued to the surface of the glued piece 22. Then, each of the crease lines 24, 26, 28, 30 is forward-folded at 90 ° to form a rectangular box. Next, glue 80 is applied to the surface of the flap 70, the flaps 52 and 60 are folded at the folding lines 54 and 62, and then the flap 70 is folded at the folding line 72. The front side of the bottom cover piece 42 is glued to the front surface of the flap 70 by folding the front side 42 forward.
[0021]
Thereafter, the product is put in the box in this state. The goods are various things such as confectionery and medicine. Then, glue 82 is applied to the surface of the inner lid piece 64 near the fold line 66, the flaps 46 and 56 are folded at the fold lines 48 and 58, and then the inner lid piece 64 is folded at the fold line 66. Thereafter, the upper lid piece 32 is folded forward along the folding line 34, and the back surface of the upper lid piece 32 is glued to the surface of the inner lid piece 64. This assembling method may be performed in another order.
[0022]
At this time, as shown in FIG. 2, when the folding line 48 is forward-folded at 90 °, the pair of opening auxiliary folding lines 50 is folded forward, and the corners of the folding auxiliary line 50 are cut off between the opening auxiliary folding lines 50. An opening assisting surface 51 having such a slope is formed. The opening assisting surface 51 is formed at a portion of the upper lid piece 32 that faces the end of the break portion 38.
[0023]
When opening the packaging box 10 with the opening assisting function, a fingertip is inserted into the opening assisting surface 51, the broken portion 38 of the upper lid piece 32 is picked up, the broken portion 38 is pulled up, and the cutting line 36 is cut. When the cut line 36 is cut and the broken portion 38 is cut off from the upper lid piece 32, the upper lid piece 32 is divided and opened. When closing again after opening, the insertion piece 68 of the inner lid piece 64 is inserted into the cut line 40 of the upper lid piece 32 and locked.
[0024]
According to the packaging box 10 with the opening assist function of this embodiment, the end of the breakable portion 38 can be easily picked and opened. Below the end of the break 38, the opening assisting surface 51 is located below the crease line 48 and a space is provided between the break 38 and the opening 38. , Making opening easier. In particular, it can be easily opened by children, the elderly, and handicapped persons. Then, the production can be easily performed by a conventional production method without requiring a complicated process.
[0025]
In this embodiment, the shape of the break portion to be opened may be different. For example, in the packaging box 11 with the opening assist function shown in FIG. 3, the ends of the pair of cut lines 84 face each other near the center of the end 32a on the opposite side of the crease line 34 of the upper lid piece 32. It is provided at right angles to the portion 32a. The cut line 84 is formed in a direction away from each other as it goes toward the fold line 34 of the upper lid piece 32. In addition, the fold line 66 is divided near the center of the fold line 66 separating the side surface 20 and the inner lid piece 64, and opening assist lines 86 parallel to the fold line 66 are formed on both sides of the divided portion. Have been. The opening assistance line 86 is broken near the center in the longitudinal direction.
[0026]
The assembling method of the packaging box 11 with the opening assisting function is as follows. When assembling the upper lid piece 32, glue 88 is applied to two places near the fold line 66 on the surface of the inner lid piece 64, and the fold lines 48 and 58 are used. The flaps 46 and 56 are folded forward, then the inner lid piece 64 is folded at the folding line 66, the upper lid piece 32 is folded at the folding line 34, and the back surface of the upper lid piece 32 is glued to the inner lid piece 64. When the folding line 66 is folded forward at 90 °, the pair of opening auxiliary folding lines 86 is folded forward to form an opening assisting surface 87 in which corners of the folding line 66 are cut off between the opening auxiliary folding lines 86. The opening assisting surface 87 is formed at a portion of the upper lid piece 32 facing the pair of cut lines 84. According to the packaging box 11 with the opening assisting function, the tearing line 84 is easily gripped by the opening assisting surface 87, and the opening is facilitated.
[0027]
Next, a second embodiment of the present invention will be described with reference to FIG. Here, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof is omitted. In the packaging box 90 with the opening assistance function of this embodiment, the side surfaces 14, 16, 18, and 20 are connected by being separated by folding lines 24, 26, and 28. At the end of the side surface 14, flaps 46 and 52 are provided separated by folding lines 48 and 54. One of the crease lines 54 is divided at a position slightly away from the center of the crease line 54 from the side surface 16, and an elongated hexagonal opening assisting crease line 94 is provided at the divided portion. The opening auxiliary ruled line 94 has a longitudinal side edge parallel to the ruled line 54 and positioned parallel to both sides of the ruled line 54.
[0028]
At the end of the side surface 16, side lid pieces 96 and 98 are provided separated by folding lines 100 and 102, and insertion pieces 104 and 106 are further provided and separated by folding lines 108 and 110. The lateral lid piece 98 near the flap 52 is provided with a notch 111 that is slightly recessed inward at the side edge on the flap 52 side.
[0029]
At the end of the side surface 18, flaps 56 and 60 are provided separated by folding lines 58 and 62.
[0030]
On the side edge of the side surface 20 opposite to the fold line 28, an outer lid piece 112 that is glued to the outside of the side surface 14 in the assembled state of the packaging box 90 with the opening assist function is divided by a fold line 114. Is provided. In the outer lid piece 112, near the center of the outer lid piece 112, a break portion 118 formed between the pair of intermittent cut lines 116 in parallel with the fold line 114 is formed. It is formed from end to end.
[0031]
Next, a method of assembling the packaging box 90 with the opening assistance function according to this embodiment will be described. Here, FIG. 4 shows the front side of the box forming piece 92 of the packaging box 90 with the opening assist function.
[0032]
First, glue 120 is applied to a portion of the outer lid piece 112 closer to the tip than the breakage portion 118, and for example, the crease line 24 or 26 is folded forward to fold the side surface 14, and then the crease line 28 or The outer lid piece 112 is folded at the ruled line 114, and the back surface of the outer lid piece 112 is glued to the surface of the side surface 14. Then, each of the crease lines 24, 26, 28, and 114 is forward-folded at 90 ° to form a rectangular box.
[0033]
Next, the glue 120 is applied to the surfaces of the flaps 46 and 56, and the flaps 46 and 56 are folded at the folding lines 48 and 58. Further, the upper cover piece 96 is folded at 90 ° at the folding line 100, the insertion piece 104 is folded at the folding line 108, and the insertion piece 104 is inserted into the inside of the side surface 20, so that the surfaces of the flaps 46 and 56 and the upper cover piece are folded. 96 and the back surface thereof. The glue 120 is also applied to the surfaces of the flaps 52, 60, and the flaps 52, 60 are normally folded at the folding lines 54, 62. Further, the upper lid piece 98 is folded at 90 ° at the folding line 102, the insertion piece 106 is folded at the folding line 110, and the insertion piece 106 is inserted inside the side surface 20, so that the surfaces of the flaps 52 and 60 and the upper lid piece are folded. 98 is adhered to the back surface.
[0034]
By folding the flap 52 forward at 90 ° at the folding line 54, the side edges in the longitudinal direction of the pair of opening auxiliary folding lines 94 are folded forward, and the inside of the opening auxiliary folding line 94 forms the corners of the folding line 54. An opening assisting surface 122 having a notched slope is formed. The opening assisting surface 122 is formed on a portion of the outer lid piece 112 facing the end of the breakage portion 118. In addition, the notch 111 is located at a portion of the upper lid piece 98 facing the opening assisting ruled line 94, and the opening assisting surface 122 of the opening assisting ruled line 94 is exposed.
[0035]
According to the packaging box 90 with the opening assist function of this embodiment, the same effects as those of the above embodiment can be obtained. Since the notch portion 111 is formed in the upper cover piece 98 covering the opening assisting surface 122, the opening assisting surface 122 is reliably exposed, the broken portion 118 is easily picked, and the opening can be easily performed.
[0036]
Note that the invention is not limited to the above embodiments, and the position and shape of the broken part can be freely changed, and the opening ruled line is provided at the ruled line located at the end of the broken part. Good. The shape of the opening auxiliary crease line can be freely changed, such as detouring or separating to a position slightly away from the normal crease line, and provided by various means such as crease lines, perforations, cutting blades, half cut lines, etc. May be. Further, the ruled line may be partially broken in the middle. Also in this case, when the box body is bent at the crease line, the bent portion is curved, and an opening assisting surface is formed to form a space for easily holding the end of the broken portion. Further, the material of the packaging box with the opening assistance function can be freely selected, such as paper or plastic. The shape of the ruled line and the like can be changed according to the material and the product image.
[0037]
【The invention's effect】
ADVANTAGE OF THE INVENTION The packaging box with an opening assistance function of this invention has a simple structure and can easily open the breakage part for opening, and can open easily. An opening assisting surface formed by breaking the crease line is provided below the end of the break portion, and a space is provided, so that a finger can be easily inserted and opening is easy.
[Brief description of the drawings]
FIG. 1 is a development view of a packaging box with an opening assistance function according to a first embodiment of the present invention.
FIG. 2 is a perspective view of the packaging box with an opening assistance function according to the embodiment.
FIG. 3 is a modified example of the packaging box with an opening assistance function according to the embodiment.
FIG. 4 is a development view of a packaging box with an opening assist function according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Packaging box with opening assistance function 12 Box forming piece 14, 16, 18, 20 Side surface 22 Glue piece 32 Top cover piece 36 Cut line 38 Breaking part 42 Bottom cover piece 46, 52, 56, 60, 70 Flap 50 Opening auxiliary folding line 51 Opening auxiliary surface 68 Insertion pieces 74, 80, 82 Glue

Claims (4)

In a packaging box with an opening assist function formed by a box forming piece integrally punched from one blank sheet, the box forming piece has a side face connected in parallel with one side and one of the side faces. A lid piece that is integrally provided from one piece and is glued to a part of the box body forming piece in an assembled state of the box body forming piece to close an opening of the box body, and is formed on the lid piece and cut when opened. And a broken line sandwiched between a pair of cut lines, and a ruled line at a portion facing the cut line at a corner of a side face facing the cut line at one end of the lid are omitted. And an opening assisting surface that forms a space between an end of the break portion and the side corner is provided at the side corner. The opening assisting surface is located at an apex of the corner, and an opening assisting folding line moved to at least one side is provided with respect to the folding line of the corner, and the box body is formed by the opening assisting folding line. The packaging box with an opening assist function according to claim 1, wherein the opening assisting surface is formed by folding the formed piece. 3. The packaging box with an opening assist function according to claim 2, wherein a pair of said opening assist folding line is provided substantially parallel to both sides of said folding line. 3. A packaging box with an opening assist function according to claim 1, wherein a cutout for exposing the opening assist folding line is provided in another member facing the opening assist folding line.

Images