JP5481126B2 - Tamper-evident storage container - Google Patents

Description

  The present invention generally relates to a tamper-evident storage container, and more specifically, an improved tamper-evident storage that is clearly understood when a third party attempts to open the container illegally. About the body.

  For example, in a sales floor such as a supermarket, there are many purchase scenes in which goods are put in bags and displayed, and a customer picks up and selects them. At this time, what can prevent a third party from opening the bag illegally is strongly demanded.

  FIG. 11 is a conceptual diagram of a storage article container 100 having an opening discrimination function disclosed in Patent Document 1. As shown in FIG. A sealing portion 1B that is formed of a transparent and flexible synthetic resin sheet body and is an envelope-shaped container having a flap portion 30a that can be folded back. The sealing portion 1B includes a flap 30a and an overlapping portion to which the flap 30a is attached. Have The sealing part 1B is a structure in which the flap part 30a is adhered and fixed to the opening discriminating laminate 50 fixed to the overlapping part by a lift adhesive layer 70 and sealed, and is opened by an opening operation. An opening display is made to appear by causing internal destruction in the determination laminate 50. In the figure, 20 is a front side sheet body, 30 is a back side sheet body, 1A is a container body part, k-1 is a key (accommodation protection article), and k-2 is a card (accommodation protection article).

JP 2003-252343 A

  The container 100 disclosed in Patent Document 1 can be discriminated at a glance in appearance when an illegal act is performed on a stored article, thereby preventing the illegal act. However, the unsealing prevention stacked body 50 for discriminating tamper-evident storage has a complicated structure including color reversal display, color display, and color reversal reverse display, and can be manufactured more simply and at a lower cost. There was a need for a tamper-evident container.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide an improved tamper-evident storage body that is improved so that a third party can clearly understand when a third person tries to open the storage body.

  Another object of the present invention is to provide a tamper-evident container that is easy to manufacture.

The tamper-evident storage container according to the present invention is provided with a storage bag having an opening on the upper side and an edge of the opening of the storage bag, and is bent and attached to a part of the upper side of the side wall of the storage bag. A flap that covers the opening by being attached, and a pressure-sensitive adhesive layer provided on a part of the flap that comes into contact with the part of the side wall of the storage bag or on the part of the side wall of the storage bag; A perforation provided in the part of the side wall of the storage bag. The shape of the perforation includes a chevron shape whose bottom portion faces the opening. A release agent layer containing a release agent is further provided on the side wall of the storage bag so as to be adjacent to the perforation.

  According to the tamper-evident storage container according to the present invention, when a product is put into a storage bag and closed with a flap, the flap and the perforated portion provided on the side wall of the storage bag are bonded together by the adhesive layer. And since the shape of the perforation includes a chevron shape in which the skirt portion faces toward the opening, the storage bag is torn and torn from the perforation portion when a third person opens it. Even if the flap is attached to the side wall of the storage bag again to return the flap, it is clear that the opened trace remains as a tear, and that the third party tried to open the storage body illegally.

  It is preferable that a plurality of the perforations are provided in parallel to the edge of the opening.

  The perforated chevron shape preferably includes a V shape, an arc shape, a U shape, a square shape, a cross shape, a shape in which two crosses are arranged, an H shape, or a deformed shape of an H shape.

  More preferably, a release agent layer containing a release agent is provided on the side wall of the storage bag so as to be adjacent to the perforation.

  According to the tamper-evident storage container according to the present invention, when a product is put into a storage bag and closed with a flap, the adhesive layer of the flap adheres to the perforation provided on the side wall of the storage body. And since the shape of the perforation includes a chevron shape in which the skirt portion faces toward the opening, the storage bag is torn and torn from the perforation portion when a third person opens it. Even if the third party reapplys the flap to the side wall of the storage bag to clear the flap, the opened trace clearly remains as a tear, and it is clear that the third party attempted to open the storage body illegally. I understand. Perforations can be easily and inexpensively applied with a perforation applicator.

(A) It is a front view of the unauthorized opening prevention storage body which concerns on the reference example 1. FIG. (B) It is a perspective view of the unauthorized opening prevention storage body which concerns on the reference example 1. FIG. (C) It is sectional drawing which follows the CC line in FIG.1 (B). It is a conceptual diagram for demonstrating the manufacturing method of the unauthorized opening prevention storage body which concerns on the reference example 1. FIG. It is sectional drawing before closing the opening part (A) and after closing (B) explaining the operation | movement which closes the opening part of the unauthorized opening prevention storage body which concerns on the reference example 1. FIG. It is a figure explaining operation | movement when it is going to peel a flap with a finger | toe. It is a front view of the various modifications of the unauthorized opening prevention storage body which concerns on the reference example 2. FIG. It is a front view of the unauthorized opening prevention storage body which concerns on the reference example 3. FIG. It is a front view of the unauthorized opening prevention storage body which concerns on various comparative examples. (A) It is a front view of the unauthorized opening prevention storage body which concerns on the reference example 4. FIG. (B) It is a perspective view of the unauthorized opening prevention storage body which concerns on the reference example 4. FIG. (C) It is sectional drawing which follows the CC line in FIG. 8 (B). (D) It is a figure explaining the effect of the unauthorized opening prevention storage body which concerns on the reference example 4. FIG. (A) It is a front view of the unauthorized opening prevention storage body which concerns on Example 1. FIG. (B) It is a perspective view of the unauthorized opening prevention storage body which concerns on Example 1. FIG. (C) It is sectional drawing which follows the CC line in FIG.9 (B). (D) It is a figure explaining the effect of the unauthorized opening prevention storage body which concerns on Example 1. FIG. (A) It is a front view of the unauthorized opening prevention storage body which concerns on Example 2. FIG. (B) It is a perspective view of the unauthorized opening prevention storage body which concerns on Example 2. FIG. (C) It is sectional drawing which follows the CC line in FIG.10 (B). (D) It is a figure explaining the effect of the unauthorized opening prevention storage body which concerns on Example 2. FIG. It is a conceptual diagram of the conventional unauthorized opening prevention storage body.

  When a third party attempts to open the storage body illegally, the perforation shape provided in a part of the side wall of the storage bag is used, and the skirt portion is an opening. It was realized by making it a chevron shape facing the direction.

Embodiments of the present invention will be described below with reference to the drawings.
(Reference Example 1)

FIG. 1 shows a front view (A) and a perspective view (B) of an unauthorized opening prevention storage body according to Reference Example 1. FIG. FIG. 1C is a cross-sectional view taken along the line CC in FIG. In the present specification, the direction from the place that becomes the bottom of the storage body toward the opening is referred to as “upward direction”.

With reference to these drawings, an unauthorized opening prevention storage body 1 according to Reference Example 1 includes a storage bag 3 having an opening 2 above. A lower portion of the storage bag 3 is closed by a seal portion 7. The seal portion 7 is not an essential configuration. Depending on the form of the bag, it may be folded without sealing. A flap 4 is provided so as to extend upward from the edge of the opening 2 of the storage bag 3. The flap 4 and the storage bag 3 are formed of a plastic film such as a multilayer film of a biaxially stretched polypropylene film and an unstretched polypropylene film, and are integrated. The flap 4 is folded as shown by an arrow in FIG. 1B and is attached to a portion located above the side wall of the storage bag 3 to cover the opening 2.

  The pressure-sensitive adhesive layer 5 is provided on a portion of the flap 4 that is bent and contacts a portion of the side wall of the storage bag 3. A perforation 6 is provided in a part of the side wall of the storage bag 3. The shape of the perforation 6 is a chevron shape in which the skirt portion is directed toward the opening 2. Here, a V-shape is cited as the mountain shape. In the figure, 8 is a through hole, but it is not always necessary. Further, the header portion around the through hole 8 (the portion below the seal portion 7) is not an essential configuration.

  FIG. 2 is a conceptual diagram illustrating a method for manufacturing such an unauthorized opening prevention storage body 1. First, a roll-shaped film original fabric 11 is prepared. The perforation 6 is attached to the film by the perforation imparting device 13 while the film is pulled out from the roll. The perforation 6 is a mountain-shaped perforation at its base, but is drawn as a dotted line for the sake of brevity. The film with the perforations 6 is half-folded along the triangular plate 12. After passing through the triangular plate 12, the film is rotated 90 ° with respect to the traveling direction and folded. After that, fusing and sealing are performed to form the tamper-evident prevention storage body 1.

Referring to FIG. 3, in the tamper-evident storage container according to the reference example , when a product (not shown) is put in the storage bag 3 and the flap 4 is folded to close the opening 2, the flap 4 is provided. The pressure-sensitive adhesive layer 5 is bonded to a perforation 6 including a chevron shape provided on the side wall of the storage bag 3 and having a skirt portion directed toward the opening 2.

  The operation of the tamper-evident container that has been filled with the product and sealed as described above will be described.

  Referring to FIG. 4, when a third person tries to open the flap 4 with his / her finger, the triangular portion of the perforation 6 surrounded by the ridgeline of the mountain sticks to the adhesive layer 5 and peels off. The storage bag 3 is torn and torn in the direction of the opening 2 from both ends of the base. Even if the flap 4 is attached again to the side wall of the storage bag 3 so as to restore the tear, the opened trace remains clearly as a rip, and the third party opens the storage body illegally. It can be clearly seen.

  In addition, it is confirmed that the storage bag 3 is not easily torn when the shape of the perforation is a chevron shape whose skirt portion faces in the direction opposite to the direction of the opening as in a comparative example described later. .

As shown in FIG. 1A, it is preferable that a plurality of perforations 6 are provided in parallel to the edge of the opening 2, but one perforation 6 may be provided.
(Reference Example 2)

In Reference Example 1, a V-shape with a small angle is exemplified as the perforated chevron shape, but the present invention is not limited to this. Referring to FIG. 5, the chevron 6 has a V shape with a large angle shown in (A), an arc or U shape shown in (B), a large arc shown in (C), and (D). A square shape shown by (E), an X mark shape shown by (F), a group of X mark shapes formed in two steps shown by (G), and a plurality of crosses shown by (H). Is preferred. Any of the perforated shapes includes a chevron shape in which the skirt portion is directed toward the opening.
(Reference Example 3)

  Referring to FIG. 6, the perforated chevron shape as shown in (A) may include an H shape, or an H-shaped deformation shape as shown in (B). A plurality of these may be juxtaposed. Even in such an embodiment, when a third person opens the tamper, the storage bag 3 is torn from both ends of the perforation 6 toward the opening 2 and torn. Even if the flap is attached to the side wall of the storage bag again to return the flap, it is clear that the opened trace remains clearly, and that a third party tried to open the storage body illegally.

Comparative example

FIGS. 7A, 7B, and 7C are front views of an unauthorized opening prevention storage body according to various comparative examples. In the case of FIG. 7A, the perforation 6 has a V-shape where the base is a chevron shape facing in the direction opposite to the direction of the opening 2, and the flap is peeled off with a finger. In such a case, it was confirmed that the storage bag 3 was not easily torn. In the storage body of FIG. 7B, the shape of the perforation 6 is an arc shape where the skirt portion is a mountain shape facing in the direction opposite to the direction of the opening 2, and the storage bag 3 is similarly It was confirmed that it was difficult to tear. In the storage body of FIG. 7C, the shape of the perforation 6 is a plurality of short straight lines, and it was confirmed that the storage bag 3 is not easily torn in this case.
(Reference Example 4)

FIG. 8 shows a front view (A) and a perspective view (B) of an unauthorized opening prevention storage body according to Reference Example 4. FIG. FIG. 8C is a cross-sectional view taken along the line CC in FIG. Parts identical or corresponding to those in the tamper-evident storage container shown in FIG. 1 are denoted by the same reference numerals, and the description thereof will not be repeated. The tamper-evident container according to Example 4 is different from the tamper-proof container according to Reference Example 1 in that the adhesive layer 5 is formed not on the flap 4 but on a part of the side wall of the storage bag. This is a point provided so as to overlap the perforation 6. Even when configured in this way, referring to FIG. 8D, when the product (not shown) is put in the storage bag 3 and the flap 4 is folded to close the opening 2, the adhesive layer 5 is The flap 4 and the perforation 6 are bonded. If a third party tries to open the flap 4 with his / her finger, the triangular part of the perforation 6 surrounded by the ridgeline of the mountain sticks to the adhesive layer 5 and is peeled off from both ends of the base. The bag 3 is torn and torn in the direction of the opening 2.
Example 1

9, the tamper-evident container according to the first embodiment, showing a front view (A) and a perspective view of (B). FIG. 9C is a cross-sectional view taken along the line CC in FIG. Parts identical or corresponding to those in the tamper-evident storage container shown in FIG. 1 are denoted by the same reference numerals, and the description thereof will not be repeated. The tamper-evident container according to the fifth embodiment is different from the tamper-evident container according to the reference example 1 in that a release agent such as silicon is provided adjacent to the perforation 6 formed on the side wall of the storage bag. The release agent layer 9 to be included is provided. With reference to FIG. 9 (D), by providing the release agent layer 9, the end of the flap 4 is not directly adhered to the side wall of the storage bag 3. Therefore, the flap 4 can be easily peeled off with a finger.
(Example 2)

FIG. 10 shows a front view (A) and a perspective view (B) of an unauthorized opening prevention storage body according to the second embodiment. FIG. 10C is a cross-sectional view taken along the line CC in FIG. Parts that are the same as or correspond to those in the tamper-evident container shown in FIG. 8 are given the same reference numerals, and the description thereof will not be repeated. The tamper-evident container according to the sixth embodiment is different from the tamper-evident container shown in FIG. 8 in that the mold release agent contains a mold release agent adjacent to the perforation 6 formed on the side wall of the storage bag. The layer 9 is provided. With reference to FIG. 10 (D), by providing the release agent layer 9, the end of the flap 4 is not directly adhered to the side wall of the storage bag 3, so that the flap 4 can be easily peeled off with a finger.

  In the above embodiment, as an example of the tamper-evident storage container, a food packaging bag displayed in a food department such as a supermarket is illustrated. However, the present invention is not limited to this, and a confidential document is required. It can be applied to any type of bag, plastic bag for hospital charts, plastic bag for stationery, plastic bag for medicines, and other containers that need to be tampered with.

  Further, in the above embodiment, the multilayer film of the biaxially stretched polypropylene film and the unstretched polypropylene film is exemplified as the material of the storage body, but the present invention is not limited to this, and can be sealed by heat sealing and fusing sealing. Any one can be used. Further, the above example is also an example of the shape, and any bag shape may be used as long as the shape has a flap. Also, the bag making method is not particularly limited.

  It should be understood that the embodiments disclosed herein are illustrative and non-restrictive in every respect. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  According to the unauthorized opening prevention storage body of the present invention, when a third party tries to open the storage body illegally, it is clearly understood that the purchaser can purchase the product with peace of mind.

DESCRIPTION OF SYMBOLS 1 Tamper-evident prevention storage body 2 Opening part 3 Storage bag 4 Flap 5 Adhesive layer 6 Perforation 7 Seal part 8 Through hole 9 Release agent layer 11 Film raw material 12 Triangular plate 13 Perforation giving device

Claims (3)

A storage bag having an opening at the top;
A flap that extends from the edge of the opening of the storage bag, bends, and is attached to a part of the storage bag over the side wall thereof to cover the opening;
A pressure-sensitive adhesive layer provided on a portion of the flap that is in contact with the portion of the side wall of the storage bag or on the portion of the side wall of the storage bag;
A perforation provided in the part of the side wall of the storage bag,
The shape of the perforation includes a chevron shape whose skirt portion faces the opening ,
An unauthorized opening prevention storage body further comprising a release agent layer including a release agent provided on a side wall of the storage bag so as to be adjacent to the perforation .   The unauthorized opening prevention storage body according to claim 1, wherein a plurality of the perforations are provided in parallel to an edge of the opening.   The perforated chevron shape includes a V shape, an arc shape, a U shape, a square shape, a cross shape, a shape in which two crosses are arranged, an H shape, or a deformed shape of an H shape. The tamper-evident storage container according to 2.

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