JP4018178B2 - Packaging container blank - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packaging container blank, and more particularly to a packaging container blank for aligning and packaging articles such as cans and bottles.
[0002]
[Prior art]
Conventionally, packaging containers for aligning and packaging articles such as cans and bottles filled with beer and juice have been used.
[0003]
FIG. 7 shows such a conventional packaging container blank 100, which has a first side wall 101 and a second side wall 102 of the packaging container. A first end wall 103 and a second end wall 104 are connected to the both sides of the second side wall 102 so as to be foldable via folding lines 105 and 106, respectively, and a third end wall is provided on both sides of the second side wall 102. 107 and a fourth end wall 108 are continuously connected via folding lines 109 and 110 so as to be bent.
[0004]
A handle partition wall 111 is disposed between the first side wall 101 and the second side wall 102. The handle partition wall 111 includes four handle panels 113 each having a handle forming opening 112 formed therein. 114, 115, 116. These handle panels 113, 114, 115, 116 are separated on both sides into handle panels 113, 115 and handle panels 114, 116 by a central cutting line 117, and the handle panels 113, 114 separated from each other. , 115 and 116 are connected via a central folding line 118 so as to be bent. Each of the handle panels 113, 114, 115, 116 includes partition pieces 123, 124, 125, 126 connected to the first side wall 101 and the second side wall 102 via folding lines 119, 120, 121, 122, respectively. The end walls of the end walls 103, 104, 105, 106 and the end edges of the handle panels 113, 114, 115, 116 are provided in the vicinity of the bottom edge side. The rising pieces 128, 129, 130, 131 in which 127 is formed are continuously connected via folding lines 132, 133, 134, 135.
[0005]
Further, an adhesive piece 137 is continuously connected to the first side wall 101 via a folding line 136 formed along the bottom edge, and the second side wall 102 is connected to the bottom edge. A bottom wall 139 is continuously connected via a folding line 138 formed along the folding line. A folding line 140 is formed in an intermediate portion of the bottom wall 139, and locking notches 141 and 142 are formed on both sides of the folding line 140 portion of the bottom wall 139, respectively.
[0006]
When assembling such a conventional blank, first, the first end wall 103 and the third end wall 107 of FIG. 7 are bent along the folding lines 105 and 109, and the handle panels 113 and 115 on one side are moved. The other side handle panels 114 and 116 are overlapped and connected. Next, the rising pieces 128, 129, 130, 131 are bent at the folding lines 132, 133, 134, 135, and the bottom wall 139 is bent at the folding line 140, and then bent at the center folding line 118. As a result, the rising pieces 128 and 130, the rising pieces 129 and 131, and the handle panels 113 and 115 are connected to each other, and the adhesive piece 137 and the bottom wall 139 are connected to each other and folded into a flat shape. A packaging container is completed.
[0007]
Then, the packaging container is formed in a three-dimensional manner by bending at each folding line portion, and the bottom wall is cut into the locking grooves 127 of the rising pieces 128, 129, 130, 131. By assembling the notches 141 and 142, the assembly of the packaging container is completed.
[0008]
[Problems to be solved by the invention]
In such a conventional packaging container blank 100, the blank 100 having the above-described configuration is efficiently laid out on a blank forming material such as cardboard, and predetermined printing is performed on the laid blank 100, thus completing the printing. Thereafter, each blank 100 is separated and automatically assembled.
[0009]
In this case, when printing on the blank 100 is performed by gravure printing, the blank 100 is laid out with respect to the roll-type blank forming material 143, and the blank forming material 143 is continuously conveyed to the blank 100. In contrast, printing is performed continuously. In such gravure printing, as shown in FIG. 8, the blank 100 is laid out, and the blank 100 can be laid out relatively efficiently with respect to the blank forming material 143.
[0010]
However, when printing with respect to the blank 100 is performed by offset printing, the blank 100 is laid out with respect to the sheet-form blank forming material 143, and the blank forming material 143 is conveyed to the blank 100 while being printed one by one. Is to do. In such offset printing, as shown in FIG. 9, the blank 100 is laid out, and the blank 100 cannot be efficiently laid out with respect to the blank forming material 143. There is a problem that waste is increased.
[0011]
A blank described in US Pat. No. 3,421,894 is known as a blank capable of overcoming the problems in the prior art described above and achieving a good layout during offset printing. Since what is described is not configured to be assembled using a container assembly machine that assembles packaging containers, it can only be assembled manually.
[0012]
The present invention has been made in view of the above points, and can package a blank efficiently with respect to a blank forming material, and can smoothly assemble a packaging container by a container assembling machine. The object is to provide a blank for a container.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, the packaging container blank according to the first aspect of the present invention includes four handle panels arranged symmetrically with respect to the central folding line as a symmetry line, and a central cut intersecting the central folding curve. Each of the two handle panels is separated from each other by a line, and side walls are provided in a line symmetrically with the central folding line as a symmetric line through each handle panel. An end wall is provided on both sides of each side wall via a folding line, and a bottom wall is provided on the bottom edge side of the one side wall, and an adhesive piece is provided on the bottom edge side of the other side wall. In the packaging container blank, the bottom wall protrudes from one side of the bottom edge of the one side wall and forms a part of the bottom surface of the packaging container and the bottom edge of the one side wall. The bottom wall from the other side A main bottom wall that protrudes with a short protruding length and is integrally formed with the bottom wall, and an auxiliary bottom wall that is foldably connected to an end edge of the base and is located on the bottom edge side of the end wall. configured, it is characterized in that connected to the switching away self standing as for dissecting the time of three-dimensional form through the auxiliary bottom wall and said end wall and the point-like connecting portion.
[0014]
According to the first aspect of the present invention, the bottom wall is constituted by the main bottom wall and the auxiliary bottom wall, and the two sets of blanks can be laid out so that the respective bottom wall portions enter alternately. Therefore, the blank can be efficiently laid out with respect to the blank forming material. Further, since the auxiliary bottom wall and the end wall are detachably connected so as to be separated when the three-dimensional formation is performed via the connecting portion, the packaging container is assembled in the assembly process. When bending, the auxiliary bottom wall can be bent together and accurately, and when the packaging container is three-dimensionally formed, the connecting portion can be separated. Can be performed smoothly.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6.
[0016]
FIG. 1 shows a packaging container blank 1 according to the present invention, which has a first side wall 2 and a second side wall 3 of the packaging container. Upper pieces 4 and 5 protrude from the center of the upper edge of the second side wall 3, respectively.
[0017]
On one side of the first side wall 2, a first end wall 6 formed so that an upper edge inclines upward toward the outer side of the blank 1 is connected continuously via a folding line 7. On the other side of the first side wall 2, similarly to the first end wall 6, a second end wall 8 formed so that the upper edge is inclined upward toward the outside of the blank 1 is folded. It is connected through a curve 9 so that it can be bent. Similarly, a third end wall 10 is connected to one side of the second side wall 3 so as to be foldable via a folding line 11, and the other side of the second side wall 3 has a first end. The four end walls 12 are continuously connected via a folding line 13 so as to be bent.
[0018]
A handle partition wall 14 is disposed between the first side wall 2 and the second side wall 3, and the handle partition wall 14 includes four handle panels 15, 16, 17, and 18. . The handle panels 15, 16, 17, and 18 are separated on both sides into handle panels 15 and 17 and handle panels 16 and 18 by a central cutting line 19, and the handle panels 15 and 17 are separated from each other. The handle panels 16 and 18 are connected to each other via a central folding line 20 so as to be bent. The lower edges of the handle panels 15, 16, 17, 18 are formed so as to incline toward the outside of the blank 1 along the upper edges of the end walls 6, 8, 10, 12. Further, the handle panels 15, 16, 17, 18 are respectively formed with grip forming openings 21, 21,.
[0019]
In addition, partitioning pieces 22, 23, 24, and 25 are connected to both sides of the upper pieces 4 and 5 of the first side wall 2 and the second side wall 3 through folding lines 26, 27, 28, and 29, respectively. The length of each of the partition pieces 22, 23, 24, 25 is formed to be substantially equal to the width of each of the end walls 6, 8, 10, 12. Furthermore, the handle panels 15, 16, 17, and 18 are connected to the partition pieces 22, 23, 24, and 25 via folding lines 30, 31, 32, and 33, respectively, so that they can be bent. A rising piece 34 is connected to the end edge of the first end wall 6 and the end edge of the handle panel 15 via a folding line 38 so as to be bent. Similarly, rising pieces 35, 36, 37 are connected to the end edges of the other end walls 8, 10, 12 and the handle panels 16, 17, 18 via folding lines 39, 40, 41. In the vicinity of the bottom edge side of each of the rising pieces 34, 35, 36, 37, locking grooves 42, 42, ... are formed. Thus, the side wall 2, 3, end walls 6, 8, 10, 12, handle panels 15, 16, 17, 18 and the like are integrally formed on the blank 1.
[0020]
Further, an adhesive piece 44 is connected to the first side wall 2 through a folding line 43 formed along the bottom edge so as to be bent. Further, a main bottom wall 46 is connected to the second side wall 3 through a folding line 45 formed along the bottom edge so as to be freely bent. The main bottom wall 46 is connected to the second side wall 3. A bottom wall portion 48 that protrudes from one side of the bottom edge of the bottom side wall of the second side wall 3 with a width of approximately ½ of the bottom edge length and constitutes one half of the bottom side of the packaging container; and the second side wall 3, and a base portion 47 that protrudes from the other side of the bottom edge with a projecting length shorter than the bottom wall portion 48 and is integrally formed with the bottom wall portion 48. Further, an auxiliary bottom wall 49 is connected to the edge of the base 47 of the main bottom wall 46 so as to be foldable via a folding line 50, and the auxiliary bottom wall 49 is connected to the main bottom wall 46. The bottom wall 48 has substantially the same width dimension as the other half of the bottom surface of the packaging container. Further, in the present embodiment, the auxiliary bottom wall 49 and the third end wall 10 are detachably connected via a dot-like connecting portion 51. In this embodiment, only one dot-like connecting portion 51 is provided. However, two or more dot-like connecting portions 51 can be provided as long as they can be easily separated. It is. In addition, folding lines 52 and 53 are formed in the middle portion of the bottom wall portion 48 and the auxiliary bottom wall 49 of the main bottom wall 46, respectively. The bottom wall portion 48 and the auxiliary bottom wall 49 of the main bottom wall 46 are formed. On the one side of the folding lines 52 and 53, locking notches 54 and 55 are formed, respectively.
[0021]
Next, the process of forming a packaging container from the blank 1 described above will be described.
[0022]
First, an adhesive is applied to the handle panels 16 and 18 on one side of the blank 1 in FIG. 1 and the base 47 of the main bottom wall 46, and in this state, the first end wall 6, the third end wall 10, and the auxiliary bottom wall. The portion 49 is bent at the folding lines 7, 11, 50, and the other side handle panels 15, 17 are bent at the folding lines 26, 28, 30, 32 with the raised pieces 22, 24. The handle panels 15 and 17 are superposed on the handle panels 16 and 18 coated with an adhesive. Thereby, as shown in FIG. 2, the handle panels 15, 16, 17, and 18 are overlapped and connected, and the auxiliary bottom wall 49 is connected to the base portion 47 of the main bottom wall 46.
[0023]
In this case, in this embodiment, since the auxiliary bottom wall 49 and the third end wall 10 are connected via the connecting portion 51, the third end wall 10 is bent by the automatic assembly process. Even in this case, the auxiliary bottom wall 49 can be accurately bent together with the third end wall 10.
[0024]
Next, as shown in FIG. 3, the rising pieces 35 and 37 are bent along the folding lines 39 and 41, and the bottom wall portion 48 and the auxiliary bottom wall 49 of the main bottom wall 46 are folded along the folding curves 52 and 53. In this state, an adhesive is applied to each of the rising pieces 34, 35, 36, 37, the adhesive piece 44, and the handle panels 15, 17 and bent at the central folding line 20. As a result, as shown in FIG. 4, the rising pieces 34 and 36, the rising pieces 35 and 37, and the handle panels 15 and 17 are bonded together, and the bonding piece 44 and the bottom wall of the main bottom wall 46 are bonded. The part 48 and the auxiliary bottom wall 49 are bonded together to complete a packaging container folded in a flat shape.
[0025]
And this packaging container is formed in three dimensions by bending at each folding part. At this time, the connecting portion 51 is separated, and there is no problem in the three-dimensional assembly.
[0026]
After that, the bottom wall portion 48 of the main bottom wall 46 and the locking notches 54 and 55 of the auxiliary bottom wall 49 are engaged with the locking grooves 42, 42... Of the rising pieces 34, 35, 36 and 37. By doing so, as shown in FIG. 5, the assembly of the packaging container is completed.
[0027]
Moreover, when creating the packaging container blank 1, the blank 1 is laid out with respect to the blank forming material 56 as shown in FIG. 6. In this case, in the present embodiment, the bottom wall is constituted by the main bottom wall 46 and the auxiliary bottom wall 49, and the two sets of blanks 1 can be laid out so that the portions of the bottom walls 46 and 49 enter alternately. The blank 1 can be laid out efficiently. For example, even when the blank 1 is laid out on the sheet forming type blank forming material 56 and offset printing is performed on the blank 1, the blank 1 can be efficiently laid out on the blank forming material 56. Is.
[0028]
Therefore, in the present embodiment, the bottom wall is constituted by the main bottom wall 46 and the auxiliary bottom wall 49 so that the two sets of blanks 1 can be laid out so that the portions of the bottom walls 46 and 49 enter alternately. Therefore, even when offset printing is performed on the blank 1, the blank 1 can be efficiently laid out with respect to the blank forming material 56, and waste of the blank forming material 56 can be eliminated.
[0029]
Further, since the auxiliary bottom wall 49 and the third end wall 10 are connected via the connecting portion 51, when the third end wall 10 is bent, the auxiliary bottom wall 49 is also together and accurately. In addition, when the packaging container is three-dimensionally formed, the connecting portion 51 can be separated, so that three-dimensional assembly using a container assembly machine for automatic assembly can be smoothly performed. And can be carried out efficiently.
[0030]
In addition, this invention is not limited to the said embodiment, A various change can be made as needed.
[0031]
【The invention's effect】
As described above, the blank of the packaging container according to the present invention can be laid out so that the bottom wall is composed of the main bottom wall and the auxiliary bottom wall, and the two sets of blanks alternately enter the bottom wall portions. Since it did in this way, even if it is a case where offset printing is performed to a blank, a blank can be efficiently laid out with respect to a blank formation material, and the waste of a blank formation material can be eliminated.
[0032]
In addition, since the auxiliary bottom wall and the end wall are detachably connected so as to be separated when forming a three-dimensional shape via the dot-shaped connecting portion, the packaging container is connected to the end wall in the assembly process. When the wall is bent, the auxiliary bottom wall can be bent together and accurately, and when the packaging container is three-dimensionally formed, the connecting portion can be separated, There is an effect that the three-dimensional assembly using the container assembly machine can be performed smoothly.
[Brief description of the drawings]
FIG. 1 is a plan view showing an embodiment of a packaging container blank according to the present invention. FIG. 2 is an explanatory view showing a blank assembling process of the present invention. FIG. 3 shows a blank assembling process of the present invention. FIG. 4 is an explanatory view showing the blank assembling process of the present invention. FIG. 5 is a perspective view showing a packaging container formed by the blank of the present invention. FIG. 6 is an embodiment of the blank layout of the present invention. Fig. 7 is a plan view showing a blank of a conventional packaging container. Fig. 8 is a plan view showing a layout of a conventional blank. Fig. 9 is a plan view showing another layout of a conventional blank. ]
DESCRIPTION OF SYMBOLS 1 Blank 2 1st side wall 3 2nd side wall 6 1st end wall 8 2nd end wall 10 3rd end wall 12 4th end wall 15, 16, 17, 18 Handle panel 20 Center folding line 22, 23, 24, 25 Partition pieces 34, 35, 36, 37 Rising piece 44 Adhesive piece 46 Main bottom wall 47 Base 48 Bottom wall 49 Auxiliary bottom wall 51 Connecting portion 56 Blank forming material

Claims (1)

Four handle panels arranged symmetrically with a central folding line as a symmetrical line are arranged separately on both sides of each of the two handle panels by a central cutting line intersecting the central folding curve, and the central folding curve is arranged A side wall connected to each handle panel via a partition piece is arranged symmetrically as a symmetrical line, and end walls connected to each side wall via folding lines are arranged on both sides of each side wall, In a packaging container blank in which a bottom wall is continuously provided on the bottom edge side of the one side wall and an adhesive piece is continuously provided on the bottom edge side of the other side wall, the bottom wall is defined as the bottom edge of the one side wall. A bottom wall portion projecting from one side and constituting a part of the bottom surface of the packaging container, and projecting from the other side of the bottom edge of the one side wall with a projecting length shorter than the bottom wall portion, and formed integrally with the bottom wall portion. Main bottom wall consisting of Are bent freely continuously to the edge of the base is constituted by an auxiliary bottom wall located at the bottom edge of the end wall stereoscopically formed through the auxiliary bottom wall and said end wall and the point-like connecting portion blank of the packaging container, characterized in that connected to the switching away self standing as for dissecting when.

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