JP2003026146A - Tamper-proof box - Google Patents

Abstract

(57) [Problem] To provide a sack box which has a simple structure, is easy to assemble, and can prevent unauthorized opening. SOLUTION: Four rectangular panels 11, 12, 13,
In a paper box in which a rectangular cylindrical main body is formed by sticking 14 on the outside, at least one opening surface of the rectangular cylindrical main body is provided with inner and outer flaps 18 and 17 which overlap each other and close the opening surface, and an outer flap At the front end of the insertion piece 17, a pair of insert pieces 17 a having a pair of bendable lock pieces 17 b on both sides are continuously provided, while the insert piece 1 having a pair of lock pieces 17 b on both sides at the base of the inner flap 18
A substantially U-shaped notch 18a into which 7a can be inserted is provided,
In addition, the outer flap 17 is folded over the inner flap 18, and the insertion piece 17a provided with a pair of lock pieces 17b on both sides is inserted into the substantially U-shaped notch 18a, and the inserted insertion piece 17a is inserted into a pair of lock pieces. At 17b, it was kept in the box.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sack type wrapping paper box, and more particularly, to a tamper-proof box in which the fact is surely left once opened and which can be easily visually discerned from the outside.

[0002]

2. Description of the Related Art Packaging boxes for foods, medicines, etc. that may be exhibited and sold at stores are illicit for the purpose of preventing unauthorized opening, extraction of contents by mischief, and inclusion of foreign matter. It was necessary to have a function that can prevent a simple opening operation. For this reason, the lid has been formed by gluing the insert piece, attaching a sealing sticker, or separately performing film packaging.

[0003]

However, when sealing with gluing or a seal, a step of gluing or sealing with a seal is required, so improvement of the cartoning machine and precision of gluing or sealing are required. The cost increases. When the film packaging is applied, the cost is higher than that of the former case.

When the packaging box is intentionally opened, a paper knife, a thin rod, or a plate-like object is used to peel off the adhesive portion from the gap portion of the lid. For this,
It was easy to open the package and it was possible to reseal it so that it was not known that it was opened. It seems that this was possible because there is no trace of opening it to the outside.

The present invention has been made to solve the above-mentioned problems of the prior art, and its object is to have a simple structure, easy to use, easy to assemble, and illegal. An object of the present invention is to provide a sack box with a sealing mechanism that can prevent unsealing, and that the fact can be surely left once unsealed, and that can be easily visually discerned from outside.

[0006]

In order to achieve the above object, the tamper-proof box according to the first aspect of the present invention comprises:
In a paper box in which four rectangular panels are sack-bonded to form a rectangular tubular body, at least one opening surface of the rectangular tubular body is provided with inner and outer flaps that overlap each other to close the opening surface. , Inserting a pair of foldable lock pieces on both sides at the tip of the outer flap, while inserting a pair of lock pieces on both sides at the base of the inner flap. Is provided with a substantially U-shaped notch, and the outer flap is folded over the inner flap, and the pair of lock pieces are provided on both sides, and the insertion pieces are inserted into the substantially U-shaped notch,
It is characterized in that the inserted insertion piece is retained in the box by the pair of lock pieces. With such a configuration, unauthorized opening is prevented, and once opened, the flap may be damaged or may be distorted by the flap, which can be easily visually discerned from the outside, so that the tampering prevention effect is improved. .

The tamper-evident prevention box according to the second aspect of the present invention is a paper box in which four rectangular panels are sac-bonded to form a rectangular tubular body, and the upper and lower openings of the rectangular tubular body are opened. Each of the surfaces is provided with an inner flap and an outer flap that overlap with each other to close the opening surface, and a tip of the outer flap is provided with a pair of insertable pieces provided with a pair of foldable lock pieces on both sides, in succession, The root of the inner flap is provided with a substantially U-shaped notch into which the insert pieces having the pair of lock pieces on both sides can be inserted, and the outer flap is folded over the inner flap to form the pair of lock pieces. It is characterized in that the insertion pieces provided on both sides are inserted into the substantially U-shaped notch, and the inserted insertion pieces are retained in the box by the pair of lock pieces. With this configuration, both the upper and lower opening surfaces of the sack box can be reliably sealed without the need for gluing or sealing, and the safety is further enhanced.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. In this embodiment, the case where the sealing mechanism of the present invention is applied to the bottom of a sack box will be described.
FIG. 1 is a development view of the flat blank 1 of the tamper-evident prevention box according to the present embodiment. In this blank 1, four rectangular panels 11 to 14 made of thick paper and a margin piece 15 are continuously provided in one direction via a fold line. These four panels are sack-bonded to form the rectangular tubular main body 10. Functionally explaining the four rectangular panels,
Right side plate 13, left side plate 14, front plate 11, rear plate 1
2, a piece of glue 15

Trapezoidal lid side flaps 19a, 19b and triangular bottom flaps 20a, 20b are connected to the upper and lower ends of the side plates 13, 14 via fold lines. A canopy 16 and an insertion flap 1 are provided above the rear plate 12.
6a are continuously provided via fold lines, and an inner bottom flap 18 is continuously provided at the lower portion of the rear face plate 12 via fold lines. In addition, the front plate 11 is formed with a tearing piece 11a via a machine wire 11b which can be easily separated. This severing piece 11a is provided with an insertion flap 16 connected to the canopy 16.
It is adhesively fixed to a and can be opened by pushing and breaking along the sewing line with a finger when opening.

At the lower part of the front plate 11, a bottom outer flap 17 is provided.
Are serially connected via a crease line. Bottom outer flap 17
An insertion piece 17a having a pair of bendable lock pieces 17b on both sides is continuously provided at the tip of the. on the other hand,
A substantially U-shaped cut 18a into which the insertion pieces 17a having the pair of lock pieces 17b on both sides can be inserted is provided at the root of the bottom inner flap 18 provided at the lower portion of the rear plate 12.

The procedure for assembling the sack box of this embodiment will be briefly described with reference to the drawings. First, the front plate 11 and the rear plate 1
2. The left and right side plates 13 and 14 are sack-bonded with the glue pieces 15 to form a rectangular tubular body.

Next, as shown in FIG. 2, the bottom side flaps 20a and 20b are folded inward along the fold lines, and then the inner bottom flap 18 is folded inward along the fold lines. Fold the bottom outer flap 17 over it. At this time, the lock piece 17b is bent at a right angle to the insertion piece 17a. Then, as shown in FIG. 3, the insertion piece 17a and the lock piece 17b are inserted so as to be pushed into the notches 18a of the bottom inner flap 18. Insert 1
When 7a and the lock piece 17b are inserted all the way, the lock piece 17b is returned by the repulsion of the paper, and as shown in the perspective view of FIG. 4, the inserted insert piece and the pair of lock pieces cannot cut out the notches 18a, The bottom lid is sealed as it is locked in the box. Therefore, the bottom outer flap 17 and the bottom inner flap 18 are securely locked, and the lock piece 17b is damaged when it is forcibly opened. Since the cut portion 18a is not a hole, it is more difficult to pull out.

In this state, a product (not shown) is provided with a box 10
To store in. Then, after bending the outer side surface flaps 19a and 19b inward along the fold lines, the canopy 16
Also, the insertion flap 16a is bent inward along the crease line, the outside of the insertion flap 16a is glued, and the breakable piece 11a is formed.
The packaging is completed by adhesively fixing the inside of the.

In the above embodiment, the sealing mechanism of the present invention is applied only to the bottom plate portion, but also to the canopy portion,
The present invention may be applied similarly to the bottom plate portion. in this case,
Since it is not necessary to glue the insert piece of the canopy or to attach the sealing sticker, it is possible to prevent the glue from sticking out and impairing the appearance of the package or adhering to the contents. Further, since it is difficult to reseal the container so that it cannot be known that the container has been opened, it is possible to further improve the safety of the container.

[0015]

As described above, according to the present invention, in a paper box in which four rectangular panels are sack-bonded to form a rectangular tubular main body, at least one opening surface of the rectangular tubular main body is overlapped with each other. The inner and outer flaps that close the opening surface are provided, and the tip of the outer flap is provided with a pair of insertable pieces having a pair of foldable lock pieces on both sides, while the root portion of the inner flap is provided. It has a simple structure in which a substantially U-shaped notch for inserting the inserting pieces provided with the pair of lock pieces on both sides can be inserted, and it is easy to use, and the outer flap is folded over the inner flap. Since the insertion pieces provided with the pair of lock pieces on both sides are simply inserted into the substantially U-shaped notches, the assembly is easy.

When the opening surface is sealed by the inner and outer flaps, the insertion piece inserted in the notch is retained in the box by the pair of locking pieces, so that the sealing opening surface is forced. When opening the flap, a part of the flap is torn, and it is difficult to open the trace without leaving a trace from the outside, and thus it is possible to prevent unauthorized opening. Moreover, since the inner and outer flaps do not require a step of pasting glue or sticking a seal, there is an effect that the packaging cost can be reduced.

[Brief description of drawings]

FIG. 1 is a development view of a tamper evident box according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a first stage of the procedure for assembling the bottom portion of the tamper evident box according to the present embodiment.

FIG. 3 is a perspective view showing a second step of the procedure for assembling the bottom portion of the tamper evident box according to the present embodiment.

FIG. 4 is a perspective view showing a third stage of the procedure for assembling the bottom portion of the tamper evident box according to the present embodiment.

[Explanation of symbols]

1 blank sheet 10 Square tubular body 11 Front plate 11a Fragment 12 Rear plate 13 Right side plate 14 Left side plate 15 glue pieces 16 canopy 16a Insertion flap 17 Bottom bottom flap 17a Insertion piece 17b lock piece 18 Inside flap 18a notch 19a, 19b Side flaps on the lid 20a, 20b Bottom side flap

Claims (2)

[Claims] 1. A paper box in which four rectangular panels are sack-bonded to form a quadrangular tubular body. At least one opening surface of the quadrangular tubular body is overlapped with each other to close the inside and the outside. And a pair of insertable pieces with a pair of foldable lock pieces on both sides are connected to the tip of the outer flap, while the pair of lock pieces are provided on both sides at the root of the inner flap. A cutout having a substantially U-shape for inserting the insertion piece is provided, and the outer flap is folded over the inner flap, and the insertion piece having the pair of lock pieces on both sides is formed into the substantially U-shape cut. An tamper-evident prevention box, characterized in that it is inserted and the inserted insertion piece is retained in the box with the pair of lock pieces. 2. A paper box in which four rectangular panels are sack-bonded to form a quadrangular tubular body, and an inner side and an outer side of the quadrangular tubular body which are overlapped with each other to close the above-mentioned open sides. And a pair of insertable pieces with a pair of foldable lock pieces on both sides are connected to the tip of the outer flap, while the pair of lock pieces are provided on both sides at the root of the inner flap. A cutout having a substantially U-shape for inserting the insertion piece is provided, and the outer flap is folded over the inner flap, and the insertion piece having the pair of lock pieces on both sides is formed into the substantially U-shape cut. An tamper-evident prevention box, characterized in that it is inserted and the inserted insertion piece is retained in the box with the pair of lock pieces.