JP2002166929A - Easy-to-unseal carton - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easy-to-unseal carton which can be easily unsealed, is tamperproof and is also resealable. SOLUTION: The easy-to-unseal carton includes, when assembled, a front panel, a rear panel opposite to the front panel, side panels which close lateral sides between the rear panel and the front panel and face each other, a top panel for closing a top opening, and a bottom panel for closing a bottom opening. The carton comprises a cut line formed continuously with the front panel and the rear panel to be cut by predetermined force, and a crease to serve as a hinge provided on the rear panel. The carton has a cover panel connected with the top panel, while a tip side of the cover panel is located below the cut line of the front panel, and the cover panel and a part above the cut line of the front panel are stuck to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an easily openable carton having resealability and virginity.

[0002]

2. Description of the Related Art Conventionally, a so-called head-back type carton which can be easily opened by turning the upper part of the carton rearward with a transverse folding line of a rear panel as a hinge is used. As the carton, there is a hinge-lid type carton widely used as a carton for tobacco, chocolate and the like. Also,
In addition to the hinge lid type carton, a cutting line, a zipper, etc. are provided in the lateral direction of the carton, and the cutting line, the carton in the form of opening by cutting off the zipper, etc. are also widely and generally used as candy, chocolate, etc. ing.

FIG. 8 is a perspective view showing a conventional easy-open carton P before and after unsealing by providing a conventional cutting line. Panel 3 and right panel 4 are cut and rear panel 2
Can be opened as a hinge.

FIG. 9 is a development view of a blank of a conventional easy-open carton P. The blank Pa includes a front panel 1 having a predetermined width and a predetermined length, a left panel 3 connected to one side of the front panel 1, and a right panel 4 connected to the other side of the front panel 1. The rear panel 2 includes a rear panel 2 having substantially the same shape as the front panel 1 provided on one side of the right panel 4 and a glue margin piece 5 provided on one side of the rear panel 2.

[0005] A bottom panel 6 for closing the lower part of the easy-open carton P is connected to the lower side of the front panel 1, and a bottom insertion piece 6a is connected to the lower side of the bottom panel 6. . A top panel 7 for closing the upper side of the easy-open carton P is continuously provided on the upper side of the rear panel 2, and a ceiling insert 7 a is continuously provided on the upper side of the top panel 7. Also,
On the upper side and the lower side of the left side panel 3, the folding pieces 8, 8 are provided.
Are provided on the upper side and the lower side of the right side panel 4.

[0006] A cutting line 10 is continuously formed on the left panel 3, the front panel 1, and the right panel 4 at a predetermined distance below the upper side thereof. These can be cut vertically by a predetermined force. The cutting line 10 includes a left panel cutting line 13 provided on the left panel 3, a front panel cutting line 11 provided on the front panel 1, and a right panel cutting line 14 provided on the right panel 4. I have.

The front panel cutting line 11 extends in the left-right direction at a predetermined distance below the upper side of the front panel 1 and is provided between both side edges of the front panel 1.

The right panel cutting line 14 is provided obliquely linearly across both side ends of the right panel 4, the left end is provided continuously with the right end of the front panel cutting line 11, and the right end is It is provided at a position higher than the front panel cutting line 11 and is provided continuously to the left end of the polygonal line H of the rear panel 2.

The left panel cutting line 13 is provided obliquely linearly between both side ends of the left panel 3, the right end is provided continuously with the left end of the front panel cutting line 11, and the left end is located on the front panel. It is provided at a position higher than the cutting line 11.

[0010] In addition, the glue margin cutting line 15 is also
When the back side of the left panel 3 and the glue margin 5 are stuck in an oblique straight line across both side ends of the glue margin 5, the left panel 3
Is provided at a position overlapping the left panel cutting line 13.

The rear panel 2 is provided with a fold line H serving as a hinge when the upper part of the easily-openable carton P is rotated backward.

The easily openable carton P assembled from the blank Pa is opened by the following operation. First, the central part of the front panel cutting line 11 is pressed with a predetermined pressing force. As a result, the front panel cutting line 11 is cut by a shearing force. Then, the front panel 1 is cut vertically.

Next, the cutting line 10 of the easy-open carton P
The upper part is gripped, and is rotated so as to be folded toward the rear panel 2. Thereby, left panel cutting line 1
3. The right panel cutting line 14 is broken by the tensile force in the vertical direction, and cuts the left panel 3 and the right panel 4 up and down. The front panel cutting line 11, the left panel cutting line 13,
By cutting the right panel cutting line 14, a portion above the easy-open carton P is formed above these.

The rear panel 2 is rotated by the rotation.
The broken line H provided continuously from the rear end of the right panel cutting line 14 serves as a hinge, and the upper part of the carton is rotated rearward about the broken line H as a rotation center. In this manner, the easy-open carton P can be opened, and the front panel 1 side of the easy-open carton P can be largely opened by this opening, so that the contents can be easily taken out.

[0015]

However, in the conventional easy-open carton having the above-mentioned structure, the carton can be easily opened and the contents can be easily taken out. Does not have sexual function. Therefore, if the contents are not used up all at once, it cannot be resealed, which is inconvenient in use. In addition, the conventional easy-opening carton needs to be cut off by pushing the cutting line when opening, and there is a danger of damaging the contents. There is a problem that there is a risk of damage. In addition, the hinge lid type carton has good virginity in terms of easy opening, but it has no virginity, so it is necessary to apply a seal or to perform overlapping packaging with a plastic film. There is no problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to make it easy to open, to have a virgin property, and to have an easy-to-open property having resealability. Is to provide carton.

[0017]

In order to solve the above-mentioned problems, an easy-open carton according to the present invention, when assembled, comprises a front panel, a rear panel facing the front panel, and the rear panel and the front panel. It has a side panel that closes the left and right sides of the panel and faces each other, a top panel that closes the top opening, and a bottom panel that closes the bottom opening, and is continuous with the front panel and the side panel. A carton provided with a cutting line formed and cut by a predetermined force, and a folding line serving as a hinge on the rear panel, wherein a cover panel is connected to the top panel, and a front edge of the cover panel is the front panel. An easy-open carton, characterized in that the cover panel and the portion above the cutting line of the front panel are attached to each other below the cutting line.

Therefore, according to the present invention, the cover panel can be easily opened by the operation of lifting the cover panel, has virginity, and can be inserted into the back side of the front panel, or An easily openable carton that can be resealed can be provided by being inserted into the insertion hole provided in the panel.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing one example of the first embodiment of the easily-openable carton of the present invention. Note that the same components as those in the conventional example are denoted by the same reference numerals. The easily-openable carton A of the present invention has a cover panel X connected to the top panel 7 in addition to the form of the conventional easily-openable carton P. It is stuck. Then, the upper part of the easy-open carton A can be easily opened by picking up the tip of the cover panel X and pulling it up.

FIG. 2 is an exploded view of a blank of the easily-openable carton A of the present invention. The blank Aa includes a front panel 1 having a predetermined width and a predetermined length, a left panel 3 connected to one side of the front panel 1, and a right panel 4 connected to the other side of the front panel 1. The rear panel 2 includes a rear panel 2 having substantially the same shape as the front panel 1 provided on one side of the right panel 4 and a glue margin piece 5 provided on one side of the rear panel 2.

On the lower side of the front panel 1, a bottom panel 6 for closing the lower part of the easy-open carton A is continuously provided, and on the lower side of the bottom panel 6, a bottom insertion piece 6a is continuously provided. . A top panel 7 for closing the upper side of the easy-open carton A is continuously provided on the upper side of the rear panel 2, and a cover panel X is continuously provided on the upper side of the top panel 7.

Folding pieces 8 and 8 are continuously provided on the upper and lower sides of the left panel 3, and folding pieces 9 and 9 are continuously provided on the upper and lower sides of the right panel 4.

As in the case of the conventional easy-open carton P, the left panel 3, the front panel 1, and the right panel 4 have a cutting line 10 at a predetermined distance downward from the upper side thereof.
Are formed continuously, and the cutting line 10 can cut these up and down by a predetermined force. The cutting line 10 includes a left panel cutting line 13 provided on the left panel 3 and a front panel cutting line 11 provided on the front panel 1.
And a right panel cutting line 14 provided on the right panel 4.

The front panel cutting line 11 extends in the left-right direction at a predetermined distance below the upper side of the front panel 1 and is provided between both side edges of the front panel 1. The shape of the front panel cutting line 11 is a straight line, an arcuate curve, or the like, but an arcuate shape with a central portion swelling downward is preferable because it is easy to cut.

The right panel cutting line 14 is provided obliquely linearly between both side ends of the right panel 4, the left end is provided continuously with the right end of the front panel cutting line 11, and the right end is provided with the front end. It is provided at a position higher than the panel cutting line 11 and is provided continuously to the left end of the polygonal line H of the rear panel 2.

The left panel cutting line 13 is provided obliquely linearly between both side ends of the left panel 3, the right end is provided continuously with the left end of the front panel cutting line 11, and the left end is provided on the front panel. It is provided at a position higher than the cutting line 11.

The glue margin cutting line 15 is also provided on the glue margin piece 5.
When the back surface of the left panel 3 and the glue margin 5 are stuck in an oblique straight line between both end portions of the glue margin 5, the left panel 3
Is provided at a position coinciding with the left panel cutting line 13.

Further, the rear panel 2 is provided with a broken line H in which the upper part of the easily-openable carton A serves as a hinge that pivots backward. As shown in FIG. 2, the side panel cutting line 14 and the glue margin cutting line 15 can be partially extended and enter both ends of the broken line H, as shown in FIG. 2. With this configuration, the rearward rotation of the upper portion of the easy-open carton A can be easily performed.

The easily-openable carton A of the present invention is characterized in that a cover panel X is provided. When the cover panel X is superimposed on the upper part of the front panel 1, the front end of the front panel 1 Front panel cutting line 11 provided in 1
Set to a lower position. The shape of the tip side of the cover panel X is not particularly limited, such as a straight line, a curved line such as an arc shape, a trapezoidal shape, and the like.

Next, a process of assembling the easily openable carton A from the blank Aa as described above will be described. First, as shown in FIG. 3A, the rear panel 2 is bent to the right panel 4 side, and the left panel 3 is bent to the front panel 1 side, and the back surface of the left panel 3 and the adhesive margin piece 5 are attached. At the same time, it is folded as shown in FIG. Next, the easily openable carton A in the folded state is raised, and as shown in FIG.
The upper and lower sides formed by the left side panel 3 and the right side panel 4 are in a tubular state, and the contents are filled. Next, in the upper open portion, the folding pieces 8 and 9 are bent, the top panel 7 is folded so as to cover the folding pieces 8 and 9, and the cover panel X is overlaid on the front panel 1 on top. The front panel 1 is bonded to a portion above the front panel cutting line 11. At this time, the portion below the front panel cutting line 11 is in a state where it can be easily picked without bonding.
In the lower open portion, the folding pieces 8 and 9 are bent, the bottom panel 6 is folded so as to cover the folding pieces 8 and 9, and at the same time, the bottom insertion piece 6a is inserted into the back side of the front panel 1 to obtain the structure shown in FIG. Is formed in a rectangular parallelepiped shape as shown in FIG.

Next, a method of opening the easily openable carton A assembled as described above will be described. First of all,
The front panel cutting line 11 of the front panel 1 is cut by an operation of picking up and pulling up the front end portion of the cover panel X superimposed on the front panel 1, and further raising the front panel cutting line 13 of the left panel 3 and the right side. The right panel cutting line 14 of the panel 4 is cut. With this operation, the upper part of the easy-open carton A is pivoted rearward with the broken line H provided on the rear panel 2 as a hinge, and is opened. In this way, as shown in FIG. 1-b, the easy-open carton A can be opened, and by this opening, the front panel 1 side of the easy-open carton A can be largely opened, and the contents can be opened. It can be easily taken out. That is, the easy-opening carton A can be easily opened by one operation of lifting the cover panel X. Further, when resealing is performed after opening, as shown in FIG. 4, the cover panel X can be locked by being inserted into the back surface side of the front panel 1, thereby preventing the contents from spilling out.

Next, an example of the second embodiment of the easily-openable carton of the present invention will be described. Note that the same components as those in the first embodiment are denoted by the same reference numerals.
The first embodiment is an easy-open carton in a state folded from a blank, and further raised and filled with contents as a tubular easy-open carton, and then assembling by sealing the upper and lower open portions. In contrast to this, the easily-openable carton B of the second embodiment is a so-called wrap-round type in which contents are stored from a blank state, and the easily-openable carton is assembled. The appearance and the opening method are the same as those of the easy-open carton A of the first embodiment.

FIG. 5 is an exploded view of a blank of the easily-openable carton B of the present invention. The blank Ba includes a front panel 1 having a predetermined width and a predetermined length, a left panel 3 connected to one side of the front panel 1, and a right panel 4 connected to the other side of the front panel 1. The rear panel 2 has substantially the same shape as the front panel 1 provided on one side of the right panel 4 and the adhesive margin piece 5 provided on one side of the side panel 3.

A bottom panel 6 for closing the lower part of the easy-open carton B is continuously provided on the lower side of the front panel 1, and a bottom insertion piece 6a is continuously provided on the lower side of the bottom panel 6. . A ceiling panel 21 for closing the upper side of the easy-open carton B is continuously provided on the upper side of the front panel 1, and a ceiling insertion piece 21a is continuously provided on the upper side of the ceiling panel 21. Also, on the upper side of the rear panel 2, an easy-open carton B
A top panel 7 closing the upper part of the top panel 7 is continuously provided, and a cover panel X is continuously provided on an upper side of the top panel 7.

Folded pieces 8 and 8 are continuously provided on the upper and lower sides of the left panel 3, and folded pieces 9 and 9 are continuously provided on the upper and lower sides of the right panel 4.

As in the case of the easy-open carton A of the first embodiment, the left panel 3, the front panel 1, and the right panel 4 have a cutting line at a predetermined distance below the upper side thereof. 10 are continuously formed, and the cutting line 1
0 can cut these up and down by a predetermined force. The cutting line 10 includes a left panel cutting line 13 provided on the left panel 3, a front panel cutting line 11 provided on the front panel 1, and a right panel cutting line 14 provided on the right panel 4. I have.

In addition, the rear panel 2 is provided with a fold line H which is a hinge at which the upper part of the easily-openable carton B turns rearward. The glue margin piece 5 is provided with a broken line h at a position matching the broken line H of the rear panel 2 when the back surface of the rear panel 2 and the glue margin piece 5 are bonded together. The broken line h may be a broken line.

Next, a process of assembling the easily openable carton B from the blank Ba as described above will be described. The easily openable carton B is a so-called wrap round type carton assembled so as to wrap the contents O from the blank Ba, and first, the contents O are placed on the inner surface of the front panel 1 as shown in FIG. I do. Each panel is bent inward so as to cover the contents O. First, FIG.
As shown in FIG. 2B, the left panel 3 is bent inward at a right angle, and the right panel 4 is bent inward at a right angle.
At the same time, the folding pieces 8, 8, 9, 9 are bent inward. Next, as shown in FIG. 6B and FIG. 6C, the ceiling panel 21 and the bottom panel 6 are bent inward at a right angle, and the ceiling insertion piece 21a and the bottom insertion piece 6a cover the contents O. Bend. Next, as shown in FIG. 6C and FIG.
, So that the back surface of the rear panel 2 and the adhesive margin piece 5 are bonded to each other. Finally, as shown in FIG. 6-e, the top panel 7 is bent inward at a right angle, and the cover panel X is overlaid on the front panel 1 and affixed to the portion above the front panel cutting line 11 of the front panel 1. Combine. At this time, the portion below the front panel cutting line 11 is in a state where it can be easily picked without bonding. In this way, an easy-open carton B having a rectangular parallelepiped shape similar to that shown in FIG. 1A is formed.

FIG. 7 is a perspective view of a modified example of the easily-openable carton of the present invention. In the easy-opening carton C, the cover panel X is not inserted into the back side of the front panel 1 at the time of resealing, but is inserted into the insertion port Y provided in the front panel 1 as shown in FIG. Can be. Thereby, resealing can be performed reliably. Note that the insertion port Y shown in FIG. 7 is an example of the insertion port, and is not particularly limited to the shape of this example.

[0040]

As described above, the easy-open carton according to the present invention is constructed such that the upper portion of the carton is hinged with the broken line of the rear panel as the hinge by the operation of pulling up the cover panel attached to the upper portion of the front panel. The cover panel can be easily opened by rotating the cover panel, has virginity, has high strength before opening, and inserts the cover panel into the back side of the front panel, or into the insertion hole provided in the front panel. Thereby, an easy-open carton that can be resealed can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a first embodiment of an easily-openable carton of the present invention.

FIG. 2 is a development view of a blank of an example of the first embodiment of the easily-openable carton of the present invention.

FIG. 3 is a diagram for explaining the assembly of an example of the first embodiment of the easily-openable carton of the present invention.

FIG. 4 is a view for explaining opening and resealing of an example of the first embodiment of the easily-openable carton of the present invention.

FIG. 5 is a developed view of a blank of an example of the second embodiment of the easily-openable carton of the present invention.

FIG. 6 is a diagram for explaining the assembly of an example of the second embodiment of the easily-openable carton of the present invention.

FIG. 7 is a perspective view showing a modified example of the easily-openable carton of the present invention.

FIG. 8 is a perspective view showing an example of a conventional easy-open carton.

FIG. 9 is a development view of a blank of an example of a conventional easy-open carton.

[Explanation of symbols]

 A Easy-open carton (first embodiment) Aa blank B Easy-open carton (second embodiment) Ba blank C Easy-open carton (modification) Ca blank 1 Front panel 2 Rear panel 3 Left panel 4 Right panel 5 Glue margin 6 Bottom panel 6a Bottom insertion strip 7 Top panel 7a Top insertion strip 8 Folding strip 9 Folding strip 10 Cutting line 11 Front panel cutting line 13 Left panel cutting line 14 Right panel cutting line 15 Glue cutting Line H Line (hinge) h Line (hinge) O Contents X Cover panel Y Insert

Claims (1)

[Claims] In an assembled state, a front panel, a rear panel facing the front panel, a side panel closing the left and right sides of the rear panel and the front panel and facing each other, and a top opening are provided. A top panel for closing, a bottom panel for closing the bottom opening, a cutting line formed continuously with the front panel and the side panel and cut by a predetermined force, and a folding line serving as a hinge on the rear panel. A carton provided, wherein a cover panel is connected to the top panel, and a tip side of the cover panel is located below the cutting line of the front panel. An easy-open carton, characterized by laminating the upper part.