JP4390945B2 - Self-supporting carton - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a self-supporting carton.
[0002]
[Prior art]
Conventionally, a flat carton lacks independence and lacks a display effect at a storefront or the like. In order to make this flat carton self-supporting, another member is used as a screen or various complicated forms of cartons have been devised. Several cartons that can be folded and self-supported have been proposed.
[0003]
[Problems to be solved by the invention]
However, in the conventional carton, there are problems such as the complexity of using another member, the manufacturing process is not easy due to the complicated shape of the carton, and further the strength of the carton is weakened. There is. In addition, there is a problem that the folded carton has a risk of damaging the contents when folded in half.
[0004]
Further, in addition to providing a display effect, it is necessary for a carton for storing a pouch for a microwave oven to provide the cartons with independence. Liquid foods, such as cooked curry and soup, which are said to be retort foods, are usually filled in aluminum retort pouches, sealed and heat-sterilized, and stored in flat cartons for sale. When heating in a microwave oven, the pouch is taken out of the carton and transferred to another container in order to avoid rupture of the pouch due to the expansion of the contents due to heating, and then heated in the microwave oven. Another easy transfer is that the heat-resistant pouch is not effectively used and the handling of the user is complicated. In addition, there is a method of opening a vent in a part of the pouch, but it is difficult to make the pouch itself self-supporting in a microwave oven, and there is a problem that it leaks or falls down. It is necessary for the carton to be self-supporting so that it can be heated in the microwave while the container is stored.
[0005]
In view of these problems, an object of the present invention is to provide a self-supporting carton that can be manufactured in a general manufacturing process, and can be easily opened and assembled to have self-supporting properties without damaging the contents. It is what.
[0006]
[Means for Solving the Problems]
The present invention has been made to achieve the above object, and is a flat carton formed by bending a blank formed of at least a side panel, a front panel, a side panel, and a rear panel, the side panel, front panel, the side panels, on the line passing through the substantially central portion of the rear panel, a cut portion wherein the front panel to separate the front panel and the front panel portion and a front panel lower portion, said rear panel The rear panel has a fold line that folds the rear panel upper portion and the rear panel lower portion , the side panel has a broken line, and the front panel upper portion and the side panels on both sides have a broken line. , said insertion piece is provided on the front panel lower portion sides of the front panel portion, provided with a spigot for inserting the insertion piece the lower side of the rear panel, when assembled, the cut portion, the cutting Folding the carton at the fold line is divided into said front panel portion and said front panel lower portion by cutting and bending outward the rear panel by said fold line, said front panel portion and top of the front panel The panel is bent outwardly along a broken line, and the insertion piece provided on the upper portion of the front panel is inserted into the insertion opening provided on the lower side of the rear panel, thereby forming a shape having a partition function. It is a self-supporting carton.
[0007]
According to the present invention, it is possible to obtain a self-supporting carton that can be manufactured by a general manufacturing process and can be easily opened and assembled without loss of contents to have self-supporting properties.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the self-supporting carton of the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same or similar part over several drawings. However, the present invention is not limited to these examples.
[0009]
<Example 1>
FIG. 1 is a perspective view showing a state in which a self-supporting carton according to an embodiment of the present invention is actually opened, assembled and self-supporting, and FIG. 2 is a side view thereof. The self-supporting carton 1 is a flat carton that is difficult to be self-supported before opening and assembling, and is opened by a cutout portion A provided in a horizontal shape at the approximate center of the front panel 12 and the front panel lower portion 12D of the front panel 12 The self-supporting carton 1 is divided into a self-supporting carton upper portion 1U and a self-supporting carton lower portion 1D by dividing the front panel 12U into the front panel upper portion 12U and cutting the front panel 12U from the side panels 11, 13. Further, the front panel upper portion 12U is bent outward, the insertion piece C provided on the front panel upper portion 12U is inserted and fixed in the insertion port F provided on the lower side of the rear panel 14, and the self-supporting carton upper portion 1U is raised. It is assembled into a shape. As a result, the contents 3 are accommodated in the lower part which is divided and folded in two, and held in an inclined state.
[0010]
FIG. 3 is a blank development view of the self-supporting carton 1 according to the present invention. In the carton blank 10, a side panel 11, a front panel 12, a side panel 13, a rear panel 14, and an adhesive margin piece 15 are sequentially arranged via broken lines a, b, c, and d. Further, folding pieces 16 and 17 are connected to the upper and lower sides of the side panel 11 via folding lines e and f, a top panel 18 is connected to the upper side of the front panel 12 via a folding line g, and a folding line h is connected to the lower side. The bottom panel 19 is continuously provided, the folding pieces 20 and 21 are continuously provided on the upper and lower sides of the side panel 13 via the folding lines i and j, and the ceiling panel 22 is continuously provided on the upper side of the rear panel 14 via the folding line k. The bottom lower panel 23 is connected to the lower side via a broken line l.
[0011]
Further, on the substantially center line passing through the side panel 11, the front panel 12, the side panel 13, the rear panel 14, and the adhesive margin piece 15, the front panel 12 has a cut-out portion that tears the front panel 12 along the tear line in the left-right direction. The rear panel 14 is provided with a fold line B so that the entire rear panel 14 can be folded in half, and the side panels 11, 13 and the glue margin piece 15 are provided with a cut line D due to a perforation or the like. The cutout portion A may be a cut line such as a perforation, a lead rule, or a half cut in addition to the zipper as shown in the figure.
[0012]
With this cutout portion A, the front panel 12 can be divided into a front panel upper portion 12U and a front panel lower portion 12D, but the center portion of the cutout portion A is connected to the front panel upper portion 12U via a broken line m. The insertion piece C to be provided is provided by a broken line n. That is, the insertion piece C has a shape that enters the cut-out portion A. Although the insertion piece C is provided narrower than the width of the cutout portion A in FIG. 3, it may be provided with the same width. In that case, the cutout part A is divided into two parts, and the respective parts are torn.
[0013]
The fold lines a and b between the front panel upper portion 12U of the front panel 12 and the side panels 11 and 13 are cut lines E such as tearable L-shaped cutting edges, perforations, lead rules, and the like.
[0014]
Further, an insertion port F into which the insertion piece C provided on the upper portion 12U of the front panel 12 is inserted is provided at the central portion of the broken line l which is the lower side of the rear panel 14.
[0015]
In order to assemble the carton blank 10 and store the contents, first, the rear panel 14 of the carton blank 10 is folded inward along the broken line c. The side panel 11 is folded inward along the fold line a, the adhesive margin piece 15 and the side panel 11 are bonded, and the folded self-supporting carton 1 as shown in FIG. 4 is created. This processing step can be performed in a conventional box making machine.
[0016]
Next, in the filling and packaging machine, the folded self-supporting carton 1 is raised in a cylindrical shape, and the panel on either the top panel 18 side or the bottom panel 19 side is glued, and the contents 3 are stored. The opposite panel is similarly glued to produce a self-supporting carton 1 as shown in FIG.
[0017]
Alternatively, the blank 10 is directly supplied to the carton former, and first, the contents are placed on the front panel 12 and bent so as to be wrapped by each panel, and the adhesive margin piece 15 and the side panel 11, the ceiling panel 22 and the ceiling panel are folded. Packaging may be performed by a method in which the panel 18, the bottom bottom panel 23, and the bottom panel 19 are bonded together with a hot melt adhesive or the like.
[0018]
Actually, in order to open the self-supporting carton 1 containing the contents and assemble it into a self-supporting state, first, as shown in FIG. 5A, a zipper which is a cut-out portion A provided on the front panel 12 The front panel 12 is divided into a front panel upper portion 12U and a front panel lower portion 12D. Next, as shown in FIG. 5B, the insertion C provided in the front panel upper portion 12U of the front panel 12 is picked, and the front panel upper portion 12U of the front panel 12 is cut off from the side panels 11 and 13 by the cut line E. cut out. Subsequently, as shown in FIG. 5C, the self-supporting carton 1 is separated from the self-supporting carton upper portion 1U and the self-supporting carton by tearing a cut line D that is an extension line of the cutout portion A of the side panels 11 and 13. Divided into two upper and lower parts with the part 1D. Further, as shown in FIG. 5D, the rear panel 14 is bent outward along the polygonal line B, the front panel upper portion 12U and the top panel 18 of the front panel 12 are bent outward along the polygonal line k, and provided on the front panel upper portion 12U. By inserting the inserted piece C into the insertion opening F provided on the lower side of the rear panel 14, the rear panel upper portion 14U, the rear panel lower portion 14D, and the front panel upper portion 12U of the front panel 12 are folded. A triangle is formed with a shape that functions as a screen. As shown in FIG. 5E, the contents 3 are stored and stably held in an inclined state in the lower part 1D of the self-supporting carton 1 divided by placing the front panel upper part 12U on a plane. Is done.
[0019]
<Example 2>
FIG. 6 is a perspective view showing another embodiment of the self-supporting carton of the present invention, and FIG. 7 is a development view showing the blank. This embodiment is a self-supporting carton that stores a pouch for a microwave oven. As shown in FIG. 6, the pouch 3P is a flat, vertically long carton that stores a pouch 3P. In the case of heating in the range, the cutout portions A and A ′ provided with the insertion piece C sandwiched horizontally in the approximate center of the front panel 12 are cut out and opened, and the front panel 12 is separated from the front panel upper portion 12U and the lower front panel. Divided into part 12D. Next, the insertion C provided in the front panel upper portion 12U is picked, and the front panel upper portion 12U is cut off from the side panels 11 and 13 along the cutting line E. Subsequently, the self-supporting carton 1a is separated from the self-supporting carton upper portion 1U and the self-supporting carton lower portion 1D by tearing the cut line D that is an extension line of the zipper that is the cut-out portions A and A 'of the side panels 11 and 13. It is divided into two parts above and below. Further, the rear panel 14 is bent outward along the fold line B, the front panel upper portion 12U of the front panel 12 and the top panel 18 are bent outward along the fold line k, and the insertion piece C provided on the front panel upper portion 12U is A triangle is formed by the rear panel upper portion 14U, the rear panel lower portion 14D, and the front panel upper portion 12U of the front panel 12 which are bent by being inserted into the insertion slot F provided on the lower side. It becomes the shape with the function. As a result, the pouch 3P is housed in the lower part 1D of the self-supporting carton that is divided and folded in two, and is held in an inclined state.
[0020]
The pouch 3P is filled with retort food such as cooked curry and soup, and a notch G for opening is provided on one side of the upper end thereof. After being heated, the pouch 3P is held in the self-supporting carton 1a, taken out, and the contents can be transferred to a dish or the like from the opening opened by the opening notch G.
[0021]
【The invention's effect】
According to the present invention, it is possible to obtain a self-supporting carton that can be easily opened and assembled to have self-supporting properties and does not weaken the strength of the carton.
[0022]
That is, it is self-supporting, and a display effect can be given by showing the contents from the opening.
[0023]
Further, in a carton containing a microwave oven pouch, the pouch can be easily assembled while being stored in the carton in the microwave oven, and can be heated in a self-supporting state. Moreover, before use, it can be handled in the same way as a general carton in transportation, storage, and the like.
[0024]
Furthermore, the opening of the notch for opening the pouch with the upper part exposed can be simplified, and handling after cooking can be facilitated.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state where an embodiment of the self-supporting carton of the present invention is actually self-supporting.
FIG. 2 is a side view of the self-supporting carton of FIG.
FIG. 3 is a development view of the blank of the self-supporting carton of FIG.
4 is a plan view showing a folded state of the self-supporting carton of FIG. 1. FIG.
FIG. 5 is a diagram showing a process of actually assembling the self-supporting carton of FIG. 1;
FIG. 6 is a perspective view showing a state where another embodiment of the self-supporting carton of the present invention is actually self-supporting.
7 is a development view of the blank of the self-supporting carton of FIG.
[Explanation of symbols]
1 Self-supporting carton 1a Self-supporting carton 1U Self-supporting carton (upper part)
1D Self-supporting carton (lower part)
2 Self-supporting carton body 3 Contents 3P Pouch (contents)
10 Carton blank 10a Carton blank 11 Side panel 12 Front panel 12U Front panel (upper part)
12D Front panel (lower part)
13 Side panel 14 Rear panel 14U Rear panel (upper part)
14D Rear panel (lower part)
15 Adhesive piece 16 Folding piece 17 Folding piece 18 Top panel 19 Bottom panel 20 Folding piece 21 Folding piece 22 Ceiling panel 23 Bottom panel a to m Folding line A Cutting part A 'Cutting part B Folding line C Inserting piece D Cutting line E Cutting line F Insertion slot G Notch

Claims (1)

A flat carton formed by bending a blank consisting of at least a side panel, a front panel, a side panel, and a rear panel,
On the side panel, the front panel, the side panel, and a line that passes through substantially the center of the rear panel, the front panel has a cutout portion that divides the front panel into a front panel upper portion and a front panel lower portion, The rear panel has a fold line that folds the rear panel upper portion and the rear panel lower portion, and the side panel has a cut line between the front panel upper portion and the side panels on both sides. Is provided with a cutting line , an insertion piece is provided on the front panel lower part side of the front panel upper part, and an insertion port for inserting the insertion piece is provided on the lower side of the rear panel,
At the time of assembling, the carton is folded at the broken line by cutting the cut portion and the cut line, and is divided into the front panel upper part and the front panel lower part, and the rear panel is folded outward at the broken line, The front panel upper part and the top panel of the front panel are bent outwards along a polygonal line, and the insertion piece provided on the front panel upper part is inserted into the insertion opening provided on the lower side of the rear panel, thereby having a striking function. Self-supporting carton characterized by being formed into a shape .

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