JPH10273138A - Pilfer-proof carton - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an easy determination of illegal unsealing of a carton and to prevent load from being applied to a device for applying adhesive at the time of molding the carton by cutting to open an unsealing tab with a part connected with a bottom plate via a fold line with the connected part left to cancel adhesion between the bottom plate and a flap. SOLUTION: A carton comprising an adhesive plate 5 connected with a top plate 1 via a side plate 4 and a bottom plate 3 connected with the top plate 1 via a side plate 2 which are connected with each other is equipped with notches 5a, 5b at both ends of the adhesive plate 5,, wherein insertion-type flaps 8, 9 connected with the top plate 1 via a side plate 6 are stuck together with the adhesive plate 5 to the bottom plate 3. An unsealing tab 3a for unsealing the carton is provided via perforations 35 and a fold line 34 on one of corners of the bottom plate 3 on a side stuck to the adhesive plate 5. At the time of unsealing the carton, the unsealing tab 3a is cut off along the perforations 35 and folded along the fold line 34 for canceling adhesion between the bottom plate 3 and the flap 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wrap round mainly for wrapping confectioneries such as plate-shaped chocolate and caramel, solid curry roux, and food items such as butter and cheese packed in a block shape. The present invention relates to a tamper-evident carton that can be used to determine whether a carton has been opened improperly.

[0002]

2. Description of the Related Art Conventionally, there are tamper-evident prevention cartons for packaging confectionery such as plate-shaped chocolate and caramel as shown in FIGS. In this carton, as shown by a developed blank plate in FIG. 8, a side plate (42) is continuously provided on one long side of the top plate (41) via a fold line (61). (4
2), a bottom plate (43) is continuously provided via a fold line (62), and a fold line (6) is provided on the other long side of the top plate (41).
A side plate (44) is continuously provided via 3), and a sticking plate (45) is continuously provided on the side plate (44) via a fold line (64). The short side of the top plate (41) is connected to the side plate (46) via the folding lines (65) and (66), respectively.
(47) are continuously provided, and flaps (48) and (49) of insertion type are continuously provided on the side plates (46) and (47) via folding lines (67) and (68), respectively. Further, a side plate (50) to be attached is provided on one short side of the bottom plate (43) via a fold line (69), and a sewing line (7) is provided on the other short side.
0) and a side plate (51) to be attached is provided continuously via a folding line (71). In addition, the folding line (7
2) Dust flaps via (73) (52) (53)
However, dust flaps (54) and (55) are connected to the side plate (44) via folding lines (74) and (75), respectively.

[0003] In order to form a carton, first, a top plate (41) is put on a plate-like chocolate or the like wrapped with a packaging material such as aluminum foil, and a side plate on the short side of the top plate (41). (46) and (47) and the flaps (48) and (49) are bent along the folding lines (65), (66), (67) and (68), and then the long side plate (44) and the sticking plate (45). ) Are folded along fold lines (63) and (64) to cover the contents from three sides, and then the side plates (42) and the bottom plate (43) are folded along fold lines (61) and (62), respectively. The bottom plate (43) is superimposed on and adhered to the attaching plate (45), and the side plates (50) and (51) connected to the bottom plate (43) are respectively folded along a folding line (69) and a sewing line. (70) and bend along the fold line (71), flaps (48) and (49) Side plates that are continuously provided (46)
(47) is superposed and adhered (FIG. 9). At this time, the adhesive (80) is applied to the bottom plate (4) as shown in FIG.
The three side plates (42) are not provided on the long side, and are located at five places on the inner peripheral edge, and on the side plates (50) (51) provided continuously on the short side of the bottom plate (43). Each is applied at two places.

A wrap-around type tamper-evident carton obtained by folding and forming a blank plate while wrapping the contents as described above is provided with opening means as shown in FIGS. . That is, an arc-shaped perforated line (76) provided at the center of at least one short side of the bottom plate (43) and a perforated perforated line (70) are cut open as shown in the figure. Otherwise, the carton will not open. Thus, if an unauthorized opening has occurred, it can be determined at a glance, and as a result, unauthorized opening is prevented.

[0005]

However, in the tamper-evident carton as described above, when the carton is formed, an adhesive is applied to the bottom plate (43) and the side plates (50) ( 51), there is a problem that a load is applied to an apparatus for applying the adhesive. Further, it is preferable in terms of cost if the amount of the adhesive used is small. SUMMARY OF THE INVENTION It is an object of the present invention to provide a tamper evident carton that can be easily identified as being illegitimately opened and that does not require a load on the adhesive application device during carton molding.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides the following tamper-evident carton. That is, in a carton formed by bonding an adhesive plate continuously connected to the top plate via the side plate and a bottom plate continuously connected to the top plate via the side plate, cutouts are formed at both ends of the adhesive plate. And a plug-in flap connected to the top plate via a side plate so as to be bonded to the bottom plate together with the sticking plate, and the bottom plate on the side to be bonded to the sticking plate. The corner portion is provided with an unsealing means constituted by an unsealing tab part partially connected to the bottom plate via the folding line, and the unsealing tab portion is cut open except for the connected portion, whereby the bottom plate and the bottom plate are cut open. A tamper-evident carton, wherein adhesion to the flap is released.
In addition, the cutout portion is cut out to have a length substantially the same as or slightly shorter than the insertion length of the flap, and the opening tab portion is formed to slightly protrude from the bottom plate.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a blank plate of a truncated pyramid-shaped tamper-evident carton according to the present invention, FIG. 2 is a blank plate of a rectangular parallelepiped tamper-evident carton, and FIGS. 3 and 4 are partially enlarged views thereof. FIG. 5 is an explanatory view showing a state of forming a carton, FIG. 6 is an explanatory view showing a state of opening, and FIG. 7 is an explanatory view showing a state of taking out contents from the opened carton. The tamper-evident carton according to the present invention is mainly applied to packaging of confectionery such as plate-shaped chocolate, caramel and gum, solid curry roux, and food products such as butter and cheese packaged in a block shape. Wrap round type carton. As a material used for the carton, cardboards such as cardboard are preferable.

Now, a case will be described in which the contents packaged in the carton according to the present invention are plate-shaped chocolates packaged using a packaging material made of aluminum foil or the like. 1 and 2 show a blank plate of a carton according to the present invention. FIG. 1 shows a blank plate of a truncated pyramid type carton, and FIG. 2 shows a blank plate of a rectangular parallelepiped type carton. (1) is a top plate on which a product name or the like is printed, and a side plate (2) is continuously provided on one long side of the top plate (1) via a folding line (21).
Further, a bottom plate (3) is connected to the side plate (2) via a folding curve (22). A side plate (4) is also provided on the other long side of the top plate (1) via a fold line (23), and is attached to the side plate (4) via a fold curve (24). Plates (5) are provided in series. The fold curve referred to here is a so-called perforated fold line in which cuts are made at regular intervals in the fold line, so that papers having a certain thickness can be easily bent. Further, the depth of the perforation may be about half the thickness of the blank plate.

On the other hand, a folding line (2) is provided on the short side of the top plate (1).
5) The side plates (6) and (7) are connected to each other via (26), and the side plates (6) and (7) are further provided with a folding curve (2).
Plug-in type flaps (8) and (9) are connected to each other via 7) and (28). The folding curves (27) (28) between the side plates (6) (7) and the flaps (8) (9)
Cuts (27a) and (28a) are made at both ends of the. Also, at both ends of the side plate (2), fold lines (29)
Dust flaps (10) and (11) through (30)
Dust flaps (12) and (13) are connected to both ends of the side plate (4) via folding lines (31) and (32), respectively.

Notches (5a) are provided at both ends of the sticking plate (5).
(5b) is formed, and the cutouts (5a) (5
b) is cut out in a square shape. This notch (5a)
(5b) is to make the bottom plate (3) and the flaps (8) and (9) adhere to each other when the carton is formed as described later, and the flap (8) ( It is preferable to cut out to a length almost the same as or slightly shorter than the insertion length (L) of 9) in molding the carton, but the adhesion between the bottom plate (3) and the sticking plate (5) is not good. There is no particular problem if the cutout is slightly longer as long as it is within the range that can be sufficiently fulfilled. Notch (5a)
The cutout shape of (5b) is not limited to the one shown in the drawing. If the bottom plate (3) and the flaps (8) and (9) are cutout to the extent that they can be bonded to each other, the cutout shape becomes, for example, an arc shape. It may be cut out. In any case, if the bottom plate (3) and the flaps (8) and (9) are cut out so as to secure a sufficient bonding area, how to cut both ends of the sticking plate (5) is used. It is not particularly limited.

An opening tab (3) for opening a carton is provided at one corner of the bottom plate (3) on the side to be bonded to the sticking plate (5).
a) is a sewing line (35) as a cutting means and a folding line (3).
4), and when opening the carton, the opening tab (3a) is cut along the perforation line (35) and bent along the fold line (34) to thereby open the bottom plate (3) as described later. ) And the flap (9) are removed, and the adhesion between them is released. 1 and 2, the perforation line (35) is provided in parallel with the short side of the bottom plate (3), and the fold line (34) is provided in parallel with the long side of the bottom plate (3). However, the present invention is not limited to this. As shown in FIG. 3, the sewing line (35) is parallel to the long side of the bottom plate (3).
4) may be provided in parallel with the short sides of the bottom plate (3). Also, at this time, if the opening tab portion (3a) is formed so as to slightly protrude from the long side or the short side of the bottom plate (3) as shown in the figure, it becomes easy to grasp when opening, and the opening operation is facilitated. Easier to do.

In addition, as shown in FIG. 4, for example, a perforation line (35) is provided in parallel with the long side and the short side of the bottom plate (3), and a fold line (34) is formed on both the perforation lines (3).
5) An embossment (37) which is provided diagonally so as to be continuous with (35), and is slightly lifted and formed at a corner of the opening tab (3a) so that the opening tab (3a) can be easily picked up.
Is provided. In this case, the opening tab (3a) is grasped from the side of the emboss (37), and the sewing lines (35) and (35) are cut open. The cutting means in the opening tab portion (3a) as described above is not limited to the perforation line (35), and may be formed in a zipper shape, for example, as long as it can be cut well. An arc-shaped notch (3b) is provided at the center of the short side of the bottom plate (3) on the side where the opening tab (3a) is provided so that the flap (9) can be easily pulled out.

Next, the process of bending and forming the above-described blank plate will be described. 5 to 7 show a truncated pyramid type carton, but the same applies to a rectangular parallelepiped type carton. First, the top plate (1) is put on a plate-shaped chocolate wrapped with a packaging material such as aluminum foil, and each flap (8) is wrapped around both short sides of the chocolate.
Fold (9) inward. That is, the folding line (25)
The side plates (6) and (7) are folded along (26), and the flaps (8) and (9) are also folded along folding curves (27) and (28). Then, the sticking plate (5) is wrapped around one long side of the plate-like chocolate and the flaps (8) and (9).
Fold inward. That is, the side plate (4) is bent along the folding line (23), and the sticking plate (5) is bent along the folding curve (24).

After wrapping the plate-shaped chocolate from three sides, the side plate (2) is bent along the folding line (21), and the bottom plate (3) is bent along the folding line (22). The bottom plate (3) and the adhesive plate (5) are bonded together, and the carton is completed only with the adhesive applied to the bottom plate (3). That is,
As shown in FIG. 5, the notch portions (5a) and (5b) provided at both ends of the sticking plate (5) form the long side of the bottom plate (3) where the side plate (2) is not continuously provided. The bottom plate (3) at the center of three of the adhesives applied to the inner peripheral edge at five locations
This is because the bottom plate (3) and the flaps (8) and (9) are bonded together by the adhesives (15) and (16) at both ends while bonding the adhesive plate (5) and the bonding plate (5). Therefore, the application part of the adhesive applied to the blank plate is also shown in FIG.
Only five places on the bottom plate (3) indicated by are required, and it is not necessary to put a load on the apparatus for applying the adhesive. In addition, it is preferable to use a hot melt or the like as the adhesive.

In order to open the carton thus completed, as shown in FIG. 6, an opening tab (3a) provided at one corner of the bottom plate (3) is cut open, and the opening tab (3a) is opened. ) Of the bottom plate (3) is slightly protruded from the long side, and cut open from the outside to the inside of the carton. Then, as shown in FIG. 5, the opening tab (3a) is provided at the portion where the adhesive (15) is applied, so that the opening tab (3a) is moved along the perforation line (35). When the sheet is cut open and bent along the fold line (34), the bonding portion between the bottom plate (3) and the flap (9) is peeled off, and the bonding between the bottom plate (3) and the flap (9) is released. At this time, if a half cut (36) as shown is provided around a portion of the opening tab portion (3a) where the adhesive (15) is applied, the opening tab portion (3a) is cut open. At this time, the back side of the opening tab (3a) is delaminated,
It remains on the side of the flap (9), so that the opening tab (3a) can be cut open in the appearance.

Thus, the bottom plate (3) and the flap (9)
When the adhesion with the flap (9) is released, the flap (9) can be pulled out, and as shown in FIG. 7, the plate-like chocolate (18) as the content can be taken out. Also, a part of the opening tab (3a) is connected to the bottom plate (3) via the fold line (34), and the opening tab (3a) is cut open to open the bottom plate (3) and the flap (9). If the opening tab portion (3a) is left on the bottom plate (3) even after the adhesion with the opening tab portion (3) is released, compared to the case where the opening tab portion (3a) is completely cut off and discarded. There is an advantage that unnecessary garbage is not generated.

As described above, according to the carton of the present invention, the carton cannot be opened unless the opening tab portion is cut open, so that unauthorized opening can be prevented, and the purchaser can be reassured. be able to. That is, if the package has been illegally opened before purchase, it can be determined at a glance, and as a result, the purpose of preventing unauthorized opening can be achieved. Also,
Since the amount of adhesive applied to the blank plate can be reduced as much as possible, there is no need for a burden on the device for applying the adhesive as compared with the conventional one, and the amount of adhesive used is reduced and the cost is reduced. It will be preferable. In addition, the shape of the carton is not limited to the truncated pyramid type and the rectangular parallelepiped type shown in the drawings, and the design can be appropriately changed within the spirit of the present invention.

[0018]

According to the present invention, in a carton in which a sticking plate connected to a top plate via a side plate and a bottom plate connected to the top plate via a side plate are bonded. Notches are provided at both ends of the mounting plate, and the plug-in flap connected to the top plate via the side plate is bonded to the bottom plate together with the bonding plate, and the bottom plate on the side to be bonded to the bonding plate At the corners of the bottom plate, there is provided an opening means constituted by an opening tab part which is partly connected to the bottom plate via a folding line, and the opening tab part is cut open except for the connected part, so that the bottom plate and the flap are opened. Since the adhesive is released, the opening tab remains on the bottom plate and no extra dust is required, and the carton cannot be opened unless the opening tab is cut off. As a result, unauthorized opening can be identified at a glance, and unauthorized opening can be prevented. With, it is possible to give a sense of security to the purchaser. In addition, a carton that cannot be opened in an unauthorized manner can be obtained, and the amount of adhesive applied to the blank plate can be reduced as much as possible. You don't have to, and you can use less glue,
This is also preferable in terms of cost. In addition, since the cutout portion is cut out so as to be substantially the same as or slightly shorter than the insertion length of the flap, it is possible to secure a sufficient bonding area between the two. Further, when the opening tab portion is formed so as to protrude from the bottom plate, the opening tab portion is easily pinched, and the opening operation is facilitated.

[Brief description of the drawings]

FIG. 1 is a development view of a truncated pyramid-shaped carton according to the present invention.

FIG. 2 is an exploded view of a rectangular parallelepiped carton according to the present invention.

FIG. 3 is a partially enlarged view of the developed carton.

FIG. 4 is a partially enlarged view of the developed carton.

FIG. 5 is an explanatory view showing a state of forming a carton.

FIG. 6 is an explanatory view showing a state of opening a carton.

FIG. 7 is an explanatory view showing a state in which contents are taken out of an opened carton.

FIG. 8 is a development view of a conventional carton.

FIG. 9 is an explanatory view of an opening portion of the above.

FIG. 10 is an explanatory view showing an opened state of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top board 2 Side board 3 Bottom board 4 Side board 5 Adhesion board 6 Side board 7 Side board 8 Flap 9 Flap

Claims (3)

[Claims] 1. A carton in which a sticking plate connected to a top plate via a side plate and a bottom plate connected to the top plate via a side plate are bonded to both ends of the sticking plate. A notch is provided so that a plug-in flap connected to the top plate via a side plate is bonded to the bottom plate together with the sticking plate, and the side of the sticking plate is bonded to the bottom plate. At the corners of the bottom plate, a part of the bottom plate is provided with an opening means constituted by an opening tab portion connected to the bottom plate via a folding line, and the opening tab portion is cut open except for the connected portion, thereby opening the opening tab. A tamper-evident carton, wherein the adhesion between the bottom plate and the flap is released. 2. The tamper-evident carton according to claim 1, wherein the notch is cut to a length substantially equal to or slightly shorter than the insertion length of the flap. 3. The tamper-evident carton according to claim 1, wherein the opening tab is formed so as to protrude from the bottom plate.