JP4306300B2 - Self-supporting carton - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a self-supporting carton that can be assembled from a single blank, and more particularly, to a self-supporting carton that can be heated in a microwave while containing a flexible packaging bag filled with a fluid content such as curry. .
[0002]
[Prior art]
Conventionally, for example, a carton that can be heated in a microwave oven with self-supporting stability while foods that can be tasted just by heating, such as a cooked retort curry, is stored in a flexible packaging bag. (For example, refer to Patent Document 1 and Patent Document 2).
[0003]
[Patent Document 1]
JP-A-11-240582 (second page, FIGS. 1 to 4)
[Patent Document 2]
Japanese Patent Laid-Open No. 2002-12274 (second page, FIG. 1)
[0004]
The invention of Patent Document 1 is a container imparted with self-supporting stability while containing a flexible packaging bag filled with foods, and can also be used as a carton for heating a microwave oven. However, the processing becomes complicated due to the addition of a screen for providing independence. In addition, there is a problem that it is complicated because the consumer needs to assemble.
[0005]
The invention of Patent Document 2 is a container imparted with self-supporting stability while containing a soft packaging bag filled with foods, and can also be used as a carton for heating a microwave oven. The material cost is an inexpensive structure, but it is complicated because it needs to be molded when used by a consumer in order to have a self-supporting property. Also, if the contents swell, there is a risk of falling to the left or right.
[0006]
[Problems to be solved by the invention]
The present invention has been made to solve the above-mentioned problems relating to a self-supporting carton that contains a soft packaging bag containing cooked foods and is heated by a microwave oven. It is an object of the present invention to provide a self-supporting carton that is not complicated and easy and that can maintain stable self-supporting ability.
[0007]
[Means for Solving the Problems]
[0011]
According to the first aspect of the present invention, the rear plate, the side plate, the front plate, the second side plate, and the second rear plate are successively arranged via a bending line in the lateral direction, and in the vicinity of the edge of the second rear plate. Are formed with protruding adhesive strips through a second bending line in the horizontal direction, and rear plate edge pieces are connected to both lateral edges of the rear plate through vertical bending lines, respectively. Folding pieces are connected to both lateral edges of the face plate through vertical folding lines, and front plate edge pieces are connected to both lateral edges of the front plate via vertical folding lines. Folding pieces are connected to both lateral edges of the second side plate via vertical fold lines, and both lateral edges of the second rear plate are connected to vertical fold lines. The second rear plate edge pieces are connected to each other, and a knob piece is defined by a cut line in the approximate center of the front plate. A cutting line is drilled in a divergent shape from the front end and the end of the cut line defining the knob piece until reaching the lateral folding line, and the cutting line extends from the edge of the front plate to the front plate edge piece. The front plate edge piece is cut in half toward the second side plate, and the left and right second rear plate edge pieces are notched near the second side plate, and the rear plate is formed along the horizontal folding line. The side plate, the front plate, the second side plate, and the second rear plate are bent in order, and the back surface of the second rear plate is overlaid on the surface of the rear plate, and the adhesive strip portion of the second rear plate is bonded to the surface of the rear plate. The self-supporting carton is constructed by assembling a flat cylindrical sleeve, and closing and assembling the opening portions at both ends of the cylindrical sleeve by sequentially bending and bonding the edge pieces and the folding pieces.
[0012]
Thus, according to the first aspect of the present invention, the rear plate, the side plate, the front plate, the second side plate, and the second rear plate are successively arranged via the lateral folding line, and the end of the second rear plate. Adhesive strips are formed in the vicinity of the edge through a second bending line in the lateral direction, and rear plate edge pieces are connected to both lateral edges of the rear panel through the vertical folding line. Folding pieces are connected to both side edges of the side plate via vertical folding lines, and front plate edge pieces are connected to both side edges of the front plate via vertical folding lines. Folding pieces are connected to both lateral edges of the second side plate via vertical folding lines, and vertical folding lines are connected to both lateral edges of the second rear plate. The second rear plate edge piece is connected to each other through the front plate, and the knob piece is defined by a cut line in the approximate center of the front plate. A break line having a diverging shape extending from a front end and a distal end of a cut line defining the knob piece to reach a lateral folding line is formed, and the break line extends from an edge of the front plate to a front plate edge piece. The blank is drilled so as to bisect the front plate edge toward the tip of the plate, and the rear plate, the side plate, the front plate, the second side plate, and the second rear plate are sequentially arranged along the lateral fold line. Bend, overlap the back surface of the second rear plate on the surface of the rear plate, adhere the glue margin piece of the second rear plate to the surface of the rear plate, assemble into a flat cylindrical sleeve, and open portions at both ends of the cylindrical sleeve Since each edge piece and folding piece are closed and assembled by sequentially bonding them, it is difficult to make the flexible packaging bag itself self-supporting, but it can be easily self-supporting because it is stored in a self-supporting carton. .
By pulling and lifting the knob, the front plate is broken along the breaking line and opened, and further, the front plate is folded along the second folding line so that the self-supporting carton is bent into a square shape and becomes independent.
[0013]
The invention of claim 2 is the invention according to claim 1, wherein along a second fold line defining the margin strips of the second rear face plate, wire cut projects offset margin from the second rear face plate The self-supporting carton is characterized in that a lock piece is formed by
[0014]
According to the invention thus according to claim 2, along a second fold line defining the margin strips of the second rear face plate, the locking piece by projecting to score line to offset margin from the second rear face plate Since it is formed, after opening, a lock piece is locked to the edge of the rear plate of the upper part of the carton that is tilted closer to the rear plate to fix the upper part of the carton.
[0015]
A third aspect of the invention is a self-supporting carton according to the first or second aspect of the invention, wherein the second fold line is formed by a break line.
[0016]
Thus, according to the third aspect of the present invention, since the second fold line is formed by a break line, valley folding can be easily performed when the carton is opened.
[0017]
According to a fourth aspect of the present invention, in the first , second, or third aspect of the present invention, bending lines are formed from the vicinity of the knob on the front plate toward each corner near the side plate of the front plate. It is a self-supporting carton characterized by.
[0018]
In this way, according to the invention described in claim 4, since the folding line is formed from the vicinity of the tab of the front plate toward each corner near the side plate of the front plate, the package filled with the contents For example, when the self-supporting carton containing the bag is heated in a microwave oven, even if the packaging bag expands, the front plate of the carton absorbs the expansion and only the front plate is deformed, thereby reducing the deformation of the rear plate. .
[0019]
The invention of claim 5 is the self-supporting carton according to claim 1 , 2 , 3 or 4 , wherein the width of the rear plate is narrower than the width of the front plate. .
[0020]
Thus, according to the invention of claim 5, since the width of the rear plate is formed narrower than the width of the front plate, when opening the carton and valley-folding the upper part of the carton having the knob pieces, The back side surface of the face plate does not hit the edge of the back plate and can be easily folded in two.
[0021]
Further, the invention of claim 6 is the invention of claim 1 , 2 , 3 , 4 or 5 , wherein the bonding position of the adhesive strip with the rear plate is such that the overlap between the rear plate and the second rear plate is the front plate. It is a self-supporting carton characterized by being located at the same width as the width.
[0022]
As described above, according to the sixth aspect of the present invention, the bonding position of the adhesive margin piece with the rear plate is such that the overlap between the rear plate and the second rear plate is equal to the width of the front plate. The carton can keep a square shape and can make a good-looking carton.
[0023]
The invention according to claim 7 is the invention according to claim 1 , 2 , 3 , 4 , 5 or 6 , wherein the rear plate edge pieces formed at both ends of the rear plate are formed by stacking blanks in a sleeve shape. The self-supporting carton is characterized in that the rear plate edge piece and the second rear plate edge piece are formed so as not to overlap each other.
[0024]
As described above, according to the seventh aspect of the present invention, the rear plate edge piece formed on the both end edges of the rear plate is overlapped with the rear plate edge piece and the second rear plate edge piece when the blanks are stacked in a sleeve shape. Since it is formed so that it does not become, when opening the assembled carton from the picking piece, the rear plate edge piece does not contact the upper part of the assembled carton and can be easily folded in two.
[0025]
The invention of claim 8 is a packaging body characterized in that the self-supporting carton according to any one of claims 1 to 7 contains a soft packaging bag filled with contents. is there.
[0026]
DETAILED DESCRIPTION OF THE INVENTION
The self-supporting carton of the present invention will be described in detail below based on one embodiment.
FIG. 1 is an explanatory perspective view showing an embodiment of the self-supporting carton of the present invention.
In the self-supporting carton of the present invention, for example, an opening (4) is provided on one surface of a tetragonal hexahedron (the surface on which the opening is provided is the front surface (1)), and the opposite surface (rear surface (2) In the carton in which the margin part (3) is formed via the fold line (s), the one surface having the opening and the two adjacent surfaces are the break lines formed from the opening start point (r). The lid part (5) and the main body part (6) are bisected by (t), and the lid part (5) and the main body part (6) are broken at the surface on which the adhesive margin part (3) is formed. It is characterized in that it is bent and bent by the fold line (s) connected to the line.
[0027]
The adhesive margin portion (3) on the opposite surface (2) has a structure in which a plurality of lock pieces (7) are formed by cut lines (u) protruding toward the adhesive margin portion along the folding line (s). Have.
[0028]
Since the lock piece (7) is formed, the lock piece (7) is formed on the rear surface (2) when the lid (5) and the main body (6) are bent along the fold line (s). It is strongly prevented that the bending is returned by being locked. Therefore, the independence of the carton can be more strongly maintained. The stability is increased by forming a plurality of lock pieces (7) from one.
[0029]
Needless to say, the self-supporting carton of the present invention may be formed vertically long or the same vertically and horizontally, although not shown.
[0030]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples.
<Example 1>
FIG. 2 is a developed explanatory view showing one embodiment of the blank of the self-supporting carton of the present invention.
A rear plate (11), a side plate (12), a front plate (13), a second side plate (14), and a second rear plate (15) are successively arranged via a lateral fold line (a). Yes.
[0031]
In the vicinity of the edge of the second rear plate (15), a paste margin piece (16) is formed so as to protrude through a second bending line (b) in the lateral direction.
[0032]
Rear plate edge pieces (111, 111) are connected to both lateral edges of the rear plate (11) via vertical folding lines, respectively, and vertical lateral edges of the side plate (12). Folding pieces (121, 121) are connected to each other via a fold line in the direction.
[0033]
Front plate edge pieces (131, 131) are connected to both end edges in the horizontal direction of the front plate (13) via vertical bend lines, respectively, and both end edges in the horizontal direction of the second side plate (14). Folding pieces (141, 141) are connected to each other via a vertical folding line, and the second rear plate edge is connected to both lateral edges of the second rear plate (15) via a vertical folding line. The pieces (151 and 151) are connected to each other.
[0034]
At the approximate center of the front plate (13), a knob piece (132) is defined by a cut line (c).
A break line (d) is perforated so as to extend from the tip and end of the cut line (c) that defines the knob piece (132) to reach the bending line in the lateral direction.
[0035]
This break line (d) divides the front plate edge pieces (131, 131) into two halves from the edge of the front plate (13) toward the front plate edge pieces (131). ) Is also drilled.
[0036]
A notch may be formed near the second side plate (14) of the second rear plate edge piece (151, 151) connected to the left and right ends of the second rear plate (15), although not shown.
[0037]
A cut line (e) protruding from the second rear surface plate (15) toward the adhesive margin piece (16) along the second folding line (b) defining the adhesive margin piece (16) of the second rear surface plate (15). ) May form the lock piece (153).
[0038]
The second bend line (b) may be a break line as shown in FIG. By making it a break line, folding becomes easier.
[0039]
When the diagonal fold line (f) is formed from the vicinity of the tab (132) of the front plate (13) toward the two corners near the side plate (12), the packaging bag in which the contents are stored in the carton is obtained. For example, even if the packaging bag expands when heated in a microwave oven, the oblique folding line (f) of the front plate absorbs the expansion and does not affect the rear plate (11).
[0040]
Next, an example of a procedure for assembling a carton from such a blank (10) will be described.
First, the rear plate (11), the side plate (12), the front plate (13), the second side plate (14), and the second rear plate (15) are sequentially bent along the lateral fold line (a). The back surface of the second rear surface plate (15) is overlapped on the surface of the rear surface plate (11), and the adhesive piece (16) of the second rear surface plate is adhered to the surface of the rear surface plate (11) to assemble a flat cylindrical sleeve. . This operation can be easily performed using a generally known gluing machine called a sack machine.
[0041]
Next, raise the cylindrical sleeve as needed, for example, while inserting contents such as a retort pouch into the inside of the sleeve, bend each edge piece and the folding piece one by one in order, and an appropriate adhesive Etc., and can be assembled by closing.
[0042]
The method for opening a carton containing contents such as a packaging bag and making it self-supporting is as follows.
That is, first, by pushing the knob piece (132) inward, the front plate (13) is severely cut along the breaking line (d), and then the front plate edge piece (131) is also torn and the carton is second. The fold line (b) is bent as a support shaft and bent into a dogleg shape to expose the contents (30) as the contents.
The bent second rear surface plate (15) is locked to the rear surface plate (11) by the lock piece (153), fixed while being bent, and becomes independent (see FIGS. 3 and 4).
[0043]
FIG. 4 shows an example of the retort pouch provided with the steam vents as the contained item (30). When heated in a microwave oven, the pouch expands, but it is understood that the pouch expands sufficiently and does not fall over.
[0044]
【The invention's effect】
As described above, the self-supporting carton of the present invention has the following effects.
That is, it can be manufactured by a normal sack pasting process, the assembly is easy to understand, and it can be easily self-supporting.
By giving the cartons independence, the contents can be taken out with one hand at any time, and a display effect at the store can be added.
Moreover, since the pouch itself can be made independent as a carton containing a pouch for cooking a microwave oven, it is effective.
[Brief description of the drawings]
FIG. 1 shows an embodiment of a self-supporting carton according to the present invention, (a) is a perspective explanatory view seen from the front, (b) is a perspective explanatory view seen from the rear, and (c) is a front explanatory view. It is perspective explanatory drawing which shows the state which fractured | ruptured and was bent by the main-body part and the cover part.
FIG. 2 is a development explanatory view showing an embodiment of a blank before assembling the self-supporting carton of the present invention.
FIG. 3 is a perspective explanatory view showing an example of a state in which a self-supporting carton in which a flexible packaging bag is accommodated is opened to make the carton self-supporting.
4 is a perspective explanatory view showing an example of a state in which the self-supporting carton containing the flexible packaging bag of FIG. 3 is heated in a microwave oven.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Front 2 ... Rear 3 ... Paste part 4 ... Opening opening 5 ... Cover part 6 ... Body part 7 ... Lock piece 10 ... Blank 11 ... Rear plate 12 ... Side plate 13 Front plate 14 Second side plate 15 Second rear plate 16 Glue piece 20 Carton 30 Soft packaging bag, contents 111 Rear plate edge 121 Folding piece 131 ·········································································································································· ... Cut line d ... Break line e ... Cut line f ... Diagonal fold line r ... Opening start point s ... Bend line t ... Break line u ... Cut line

Claims (8)

A rear plate, a side plate, a front plate, a second side plate, and a second rear plate are sequentially provided via a lateral fold line,
In the vicinity of the edge of the second rear plate, a paste margin piece is projected and formed through a second folding line in the lateral direction,
Rear plate edge pieces are connected to both lateral edges of the rear plate via vertical folding lines, respectively.
Folding pieces are continuously connected to both lateral edges of the side plate via vertical folding lines,
Front plate edge pieces are continuously connected to both lateral edges of the front plate via vertical folding lines, respectively.
Folding pieces are respectively connected to both lateral edges of the second side plate via vertical folding lines,
A second rear plate edge piece is connected to both lateral edges of the second rear plate via vertical folding lines, respectively.
At the center of the front plate, a knob piece is defined by a cut line, and a break line is drilled in a divergent shape that reaches the bending line in the lateral direction from the tip and end of the cut line that forms the knob piece. ,
The break line is perforated so as to bisect the front plate edge piece from the edge of the front plate toward the tip of the front plate edge piece.
The back plate, the side plate, the front plate, the second side plate, and the second rear plate are sequentially bent along the lateral fold line, and the back surface of the second rear plate is overlaid on the surface of the rear plate. The piece part is bonded to the surface of the rear plate, assembled into a flat cylindrical sleeve, and the opening parts at both ends of the cylindrical sleeve are closed and assembled by sequentially bending and bonding each edge piece and the folding piece. And self-supporting carton. The lock piece is formed by a cut line that protrudes from the second rear plate toward the adhesive margin piece along a second folding line that defines the adhesive margin piece of the second rear plate. The self-supporting carton according to 1 . Wherein the second fold line is formed by broken lines, according to claim 1 or 2
Self-supporting carton as described. Wherein wherein the lines bent toward the corner each corner of the side plate side of the front plate from the strip near try knob on the front panel is formed, according to claim 1, 2 or 3 self-supporting carton according. Width of the rear face plate is characterized in that it is narrower than the width of the front plate, according to claim 1, 2, 3 or 4 autonomy carton according. Bonding positions of the rear plate of the margin piece, characterized in that the overlap of the rear plate and the second rear surface plate is positioned such that the width and the width of the front plate, according to claim 1, 2, 3 Or the self-supporting carton according to 4 . The rear plate edge pieces formed on both end edges of the rear plate are formed so that the rear plate edge piece and the second rear plate edge piece do not overlap when the blank is stacked in a sleeve shape. The self-supporting carton according to claim 1 , 2 , 3 , 4 , 5 or 6 .   A package body, characterized in that a flexible packaging bag filled with contents is contained in the self-supporting carton according to any one of claims 1 to 7.

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