JP2007022661A - Easily unsealable carton - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an easily unsealable carton which is easily unsealed and has the virgin property and the re-sealability. <P>SOLUTION: The easily unsealable carton in an assembled condition has a front panel, a rear panel facing the front panel, side panels to close spaces between right and left sides of the rear panel and the front panel and facing each other, a top lower panel to close a top opening part, a top panel overlapping the top lower panel, and a bottom panel to cover a bottom opening part; and has a cut line continuous to the front panel and the side panels and cut by a predetermined force, and a folding line forming a hinge in the rear panel. A cover panel is continuously provided on the top panel, a leading ridge of the cover panel is located below the cut line of the front panel, and the cover panel and a portion above the cut line of the front panel are affixed to each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an easy-open carton having easy-openability, resealability, and virginity.

  Conventionally, as a carton having easy openability, a so-called head-back type carton that can be opened by rotating the upper part of the carton backward by using a horizontal fold line of the rear panel as a hinge is a cigarette. There are hinge lid type cartons that are widely used as cartons for chocolate and the like. In addition to hinge-lid cartons, cartons in the form of cutting lines, zippers, etc. provided in the lateral direction of the carton and opening by cutting the cutting lines, zippers, etc. are also widely used as cartons for confectionery, chocolate, etc. in use.

  FIG. 8 is a perspective view showing before and after opening of an easy-open carton P that is opened by providing a conventional cutting line, and the upper part of the easy-open carton P is cut by a cutting line 10 in front panel 1, left panel 3, In this configuration, the right panel 4 is cut and the broken line H provided on the rear panel 2 can be opened as a hinge.

  FIG. 9 is a developed view of a blank of a conventional easy-open carton P. FIG. 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 has substantially the same shape as the front panel 1 connected to one side of the right panel 4, and the glue margin piece 5 connected to one side of the rear panel 2.

  A bottom panel 6 that closes the lower side of the easy-open carton P is connected to the lower side of the front panel 1, and a bottom insertion piece 6 a is connected to the lower side of the bottom panel 6. A top panel 7 is provided on the upper side of the rear panel 2 so as to close the upper side of the easy-open carton P. A top insertion piece 7 a is provided on the upper side of the top panel 7. In addition, folding pieces 8 and 8 are connected to the upper and lower sides of the left panel 3, and folding pieces 9 and 9 are connected to the upper and lower sides of the right panel 4.

  The left panel 3, the front panel 1, and the right panel 4 are continuously formed with a cutting line 10 at a predetermined distance downward from the upper side, and the cutting line 10 has a predetermined force. These can be cut up and down. 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. Yes.

  The front panel cutting line 11 extends in the left-right direction at a predetermined distance downward from 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 in a slanting straight line between both end portions 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 the front panel cutting. It is provided at a position higher than the line 11 and is continuously provided at the left end of the broken line H of the rear panel 2.

  The left panel cutting line 13 is provided in a slanting straight line between both end portions 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 the front panel cutting line 11. It is provided at a higher position.

  Further, the glue margin piece 5 also has a glue margin cutting line 15 on the left side when the back surface of the left panel 3 and the glue margin piece 5 are bonded to each other in a slanting straight line between both end portions of the glue margin piece 5. The panel 3 is provided at a position overlapping the left panel cutting line 13.

  In addition, the rear panel 2 is provided with a broken line H that serves as a hinge when the upper portion of the easy-open carton P rotates backward.

  The easy-open carton P assembled from this blank Pa is opened by the following operation. First, the central portion 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. And the front panel 1 is cut | disconnected up and down.

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

  As a result of the turning operation, a broken line H provided continuously from the rear end of the right panel cutting line 14 on the rear panel 2 serves as a hinge, and the upper part of the carton is rotated backward about the broken line H as a rotation center. In this way, the easy-open carton P can be opened, the front panel 1 side of the easy-open carton P can be greatly opened by this opening, and the contents can be easily taken out.

  However, in the conventional easy-open carton configured as described above, when opening, the center part of the front panel cutting line is pressed to cut the front panel cutting line, and the divided upper part is gripped. Thus, there is a problem that it is difficult to open smoothly by one operation, which requires two operations of rotating the rear panel to be folded and breaking the left and right panel cutting lines. In addition, there is a problem that the shape is not sufficient in terms of easy understanding of the opening process. Furthermore, since it does not have a resealable function after opening, there is a problem that it cannot be resealed when the contents are not used up at once, which is inconvenient in use. Furthermore, in a conventional easy-open carton, when opening, it is necessary to push in the cutting line and cut it off, and there is a risk of damaging the contents, and the cutting line is easily broken by external pressure before opening. There is a problem that there is a risk of damaging. In addition, the hinge-lid carton does not have virginity, so that it needs to be sealed or overlap-wrapped with a plastic film, and further has a problem of no resealability.

  The present invention has been made to solve the above-described problems, and its object is to provide an easy-open carton that can be easily opened, has virgin properties, and has resealability. There is to do.

  In order to solve the above-described problems, the easy-open carton of the present invention is assembled in a front panel, a rear panel facing the front panel, and between the left and right side portions of the rear panel and the front panel. It has a side panel that closes and faces each other, a top panel that closes the top opening, and a bottom panel that closes the bottom opening, and is formed continuously from the front panel and the side panel and cut by a predetermined force. A carton having 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 positioned below the cutting line of the front panel. And it is an easily openable carton characterized by bonding the cover panel and a portion above the cutting line of the front panel.

  Therefore, according to the present invention, opening can be easily performed by one operation of pulling up the cover panel, it has virginity, and the cover panel is inserted into the back side of the front panel. An easy-open carton that can be resealed can be provided by being inserted into a slot provided in the panel.

  As described above, the easy-open carton according to the present invention rotates the upper part of the carton backward using the fold line of the rear panel as a hinge by one operation of pulling up the cover panel bonded to the upper part of the front panel. It is possible to provide an easily openable carton that can be easily opened by moving the cover. In addition, the cover panel is in a state where it partially overlaps the front panel of the carton, and it is easy for anyone to touch the cover panel with your finger to open it, has virginity, and has strength before opening In addition, it is possible to provide an easy-open carton that can be resealed by inserting the cover panel into the back side of the front panel or by inserting the cover panel into a slot provided in the front panel.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an example of the first embodiment of the easy-open carton of the present invention. In addition, the same code | symbol is attached | subjected to the component similar to a prior art example. The easy-open 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 easy-open carton P, and this cover panel X is placed on the upper part of the front panel 1. It is pasted together. And it is the form which can unseal | open easily the upper part of the easily openable carton A by picking up the front-end | tip of this cover panel X.

  FIG. 2 is a development view of the blank of the easy-open 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 has substantially the same shape as the front panel 1 connected to one side of the right panel 4, and the glue margin piece 5 connected to one side of the rear panel 2.

A bottom panel 6 that closes the lower side of the easy-open carton A is connected to the lower side of the front panel 1, and a bottom insertion piece 6 a is connected to the lower side of the bottom panel 6.
A top panel 7 is provided on the upper side of the rear panel 2 so as to close the upper side of the easy-open carton A. A cover panel X is provided on the upper side of the top panel 7.

  In addition, folding pieces 8 and 8 are connected to the upper and lower sides of the left panel 3, and folding pieces 9 and 9 are connected to the upper and lower sides of the right panel 4.

  And like the conventional easy-open carton P, the cutting line 10 is continuously formed in the left panel 3, the front panel 1, and the right panel 4 in the position of predetermined distance below these upper sides. The cutting line 10 can be cut 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. Yes.

  The front panel cutting line 11 extends in the left-right direction at a predetermined distance downward from 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 arc shape in which the central portion swells downward is preferable because it is easy to cut.

  The right panel cutting line 14 is provided in a diagonally straight line between both end portions 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 the front panel cutting line. 11 is provided at a position higher than 11 and is continuously provided at the left end of the broken line H of the rear panel 2.

  The left panel cutting line 13 is provided in a slanting straight line between both end portions 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 the front panel cutting line 11. It is provided at a higher position.

  Further, the glue margin piece 5 also has a glue margin cutting line 15 on the left side when the back surface of the left panel 3 and the glue margin piece 5 are bonded to each other in a slanting straight line between both end portions of the glue margin piece 5. It is provided at a position corresponding to the left panel cutting line 13 of the panel 3.

  Further, the rear panel 2 is provided with a fold line H serving as a hinge in which the upper part of the easy-open carton A rotates backward. As shown in FIG. 2, the side panel cutting line 14 and the glue margin cutting line 15 may be partially extended into both ends of the broken line H. By using this shape, it is possible to easily rotate the upper portion of the easy-open carton A backward.

  The easy-open 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, its front end is provided on the front panel 1. It sets so that it may become a position below the given front panel cutting line 11. FIG. The shape of the front end side of the cover panel X is not particularly limited, such as a straight line, a curved line such as an arc, or a trapezoidal shape.

  Next, the process of assembling the easy-open carton A from the blank Aa as described above will be described. First, as shown in FIG. 3A, the rear panel 2 is folded to the right panel 4 side, the left panel 3 is folded to the front panel 1 side, and the back surface of the left panel 3 and the adhesive margin piece 5 are attached. In addition, a folded state as shown in FIG. Next, the easy-open carton A in the folded state was raised, and the upper and lower sides formed by the front panel 1, the rear panel 2, the left panel 3, and the right panel 4 were opened as shown in FIG. Fill the tube with the contents. Next, in the upper open part, 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 overlapped on the front panel 1. 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 left in a state where it can be easily picked without bonding. In the lower open part, the folded pieces 8, 9 are bent, the bottom panel 6 is folded so as to cover the folded pieces 8, 9, and the bottom inserting piece 6a is inserted into the back side of the front panel 1 at the same time. It is formed in a rectangular parallelepiped shape as shown in FIG.

  Next, a method for opening the easy-open carton A assembled in this way will be described. First, the front panel cutting line 11 of the front panel 1 is cut by an operation of picking and pulling the tip of the cover panel X superimposed on the front panel 1, and further cutting the left panel of the left panel 3 by further lifting. The line 13 and the right panel cutting line 14 of the right panel 4 are cut. By this operation, the upper part of the easy-open carton A is rotated and opened rearward with a broken line H provided on the rear panel 2 as a hinge. In this way, as shown in FIG. 1-b, the easy-open carton A can be opened, and the front panel 1 side of the easy-open carton A can be greatly opened by this opening, It can be easily taken out. That is, the easy-open carton A can be easily opened by one operation of pulling up the cover panel X. Moreover, when re-sealing after opening, as shown in FIG. 4, it can lock by inserting the cover panel X in the back surface side of the front panel 1, and can prevent that the content spills out.

  Next, an example of the second embodiment of the easy-open carton of the present invention will be described. In addition, the same code | symbol is attached | subjected to the component similar to 1st embodiment. The first embodiment is an easy-open carton folded from a blank, and after raising and filling the contents as a cylindrical easy-open carton, the upper and lower open parts are sealed and assembled. In contrast to the form, the easy-open carton B of the second embodiment is a so-called wrap-round form in which the contents are stored from the blank state and the easy-open 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 a development view of a blank of the easy-open 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 connected to one side of the right panel 4, and the glue margin piece 5 connected to one side of the side panel 3.

  A bottom panel 6 that closes the lower side of the easy-open carton B is connected to the lower side of the front panel 1, and a bottom insertion piece 6 a is connected to the lower side of the bottom panel 6. A ceiling panel 21 that blocks the upper side of the easy-open carton B is connected to the upper side of the front panel 1, and a ceiling insertion piece 21 a is connected to the upper side of the ceiling panel 21. A top panel 7 that closes the upper side of the easy-open carton B is connected to the upper side of the rear panel 2, and a cover panel X is connected to the upper side of the top panel 7.

  In addition, folding pieces 8 and 8 are connected to the upper and lower sides of the left panel 3, and folding pieces 9 and 9 are connected to the upper and lower sides of the right panel 4.

  As in the easy-open carton A of the first embodiment, the left panel 3, the front panel 1, and the right panel 4 are continuously provided with a cutting line 10 at a predetermined distance downward from the upper side thereof. The cutting line 10 can be cut 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. Yes.

  Further, the rear panel 2 is provided with a fold line H serving as a hinge in which the upper part of the easy-open carton B rotates backward. In the adhesive margin piece 5, a broken line h is provided at a position that coincides with the broken line H of the rear panel 2 when the back surface of the rear panel 2 and the adhesive margin piece 5 are bonded together. The broken line h may be a broken line.

Next, the process of assembling the easy-open carton B from the blank Ba as described above will be described. The easy-open carton B is a so-called wrap round type carton assembled so as to wrap the contents O from the blank Ba. First, as shown in FIG. 6A, the contents O are placed on the inner surface of the front panel 1. To do. Each panel is folded inward so as to cover its contents O. First, as shown in FIG. 6B, the left panel 3 is folded inward at a right angle, and the right panel 4 is folded inward at a right angle. Bend it. At the same time, the folding pieces 8, 8, 9, 9 are folded inward.
Next, as shown in FIGS. 6B and 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 are covered with the contents O. Bend it.
Next, as shown in FIGS. 6C and 6D, the adhesive margin piece 5 and the rear panel 2 are folded so as to cover the contents O, and the back surface of the rear panel 2 and the adhesive margin piece 5 are bonded together.
Finally, as shown in FIG. 6-e, the top panel 7 is bent inward at a right angle, the cover panel X is overlapped on the front panel 1 and is pasted on the front panel cutting line 11 above the front panel 1. Match. At this time, the portion below the front panel cutting line 11 is left in a state where it can be easily picked without bonding. In this way, a rectangular parallelepiped easy-open carton B is formed as shown in FIG.

  FIG. 7 is a perspective view of a modified example of the easy-open carton of the present invention. In this easy-open carton C, the cover panel X is not inserted into the back side of the front panel 1 but is inserted into the insertion port Y provided in the front panel 1 as shown in FIG. Can do. This makes it possible to perform resealing reliably. In addition, the insertion port Y shown in FIG. 7 shows an example of the insertion port, and is not particularly limited to the shape of this example.

It is a perspective view which shows one Example of 1st embodiment of the easily openable carton of this invention. It is an expanded view of the blank of one Example of 1st embodiment of the easily openable carton of this invention. It is a figure explaining the assembly of one Example of 1st embodiment of the easily openable carton of this invention. It is a figure explaining opening and resealing of one Example of 1st embodiment of the easily openable carton of this invention. It is an expanded view of the blank of one Example of 2nd embodiment of the easily openable carton of this invention. It is a figure explaining the assembly of one Example of 2nd embodiment of the easily openable carton of this invention. It is a perspective view which shows the modification of the easily openable carton of this invention. It is a perspective view which shows an example of the conventional easily openable carton. It is an expanded view of the blank of an example of the conventional easily openable carton.

Explanation of symbols

A Easy-open carton (first embodiment)
Aa blank B easy-open carton (second embodiment)
Ba blank C easy-open carton (modified example)
Ca blank 1 front panel 2 rear panel 3 left side panel 4 right side panel 5 glue margin piece 6 bottom panel 6a bottom insertion piece 7 top panel 7a top insertion piece 8 folding piece 9 folding piece 10 cutting line 11 front panel cutting line 13 left panel cutting Line 14 Right panel cutting line 15 Paste piece cutting line H Folding line (hinge)
h Line (hinge)
O Contents X Cover panel Y Insert

Claims (2)

In the assembled state, a front panel, a rear panel facing the front panel, a side panel closing the space between the left and right sides of the rear panel and the front panel and facing each other, a ceiling panel closing the top opening, A ceiling panel overlaid on the ceiling panel, a bottom panel that closes the bottom opening, a cutting line that is continuously formed on the front panel and the side panel and is cut by a predetermined force, and the rear panel A carton with a polygonal line that becomes a hinge,
The cutting line of the front panel has an arc shape with a central portion swelled downward, a cover panel is connected to the top panel, and the tip side of the cover panel is positioned below the cutting line of the front panel, After bonding the cover panel and the portion above the cutting line of the front panel, the cutting line of the front panel is cut by picking up and pulling the tip of the cover panel, and then the side panel An easy-open carton characterized in that the cutting line is cut. The easy-open carton according to claim 1, wherein a top insertion piece is connected to an upper side of the ceiling panel.

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