JP2022132854A - Reclosable label, lid body, and packaging body - Google Patents

Abstract

To provide a reclosable label, a lid body and a packaging body, allowing a confirmation on whether or not unauthorized opening has been conducted.SOLUTION: A reclosable label is to be adhered onto a support member having a take-out port for taking out a content, and can be opened and sealed again. The reclosable label includes a knob part to serve as a start point of opening; and a label body adjacent to the knob part in an opening direction. The label body includes at least one unauthorized opening confirmation part for confirming unauthorized opening other than opening at the knob part.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present invention relates to reclose labels, lids and packages.

2. Description of the Related Art There is a technique of forming an outlet by peeling off a label attached to a region where the outlet is to be formed in order to take out an article from a package housing the article (see Patent Document 1). In such a package, the outlet can be resealed by attaching the label again.

JP-A-10-24972

Packages whose outlet can be opened and resealed by label peeling and re-sticking usually have a knob as a starting point for label peeling, and it is assumed that the package will be opened from the knob. It is In other words, opening from the knob is the normal opening method. However, for example, if a package is placed on a product shelf as a product, before purchasing the product for the purpose of mischief, confirmation of the contained contents, etc. The package may be opened.

An object of one aspect of the present invention is to provide a reclosable label, a lid, and a package that allow confirmation of whether or not unauthorized opening has been carried out.

A reclosable label according to one aspect of the present invention is a reclosable label that is attached to a support member formed with an outlet for taking out a contained item, and that allows the outlet to be opened and resealed, The label body includes a tab that serves as a starting point for opening, and a label body that is adjacent to the tab in the opening direction. One tampering confirmation part is formed.

A lid according to another aspect of the present invention is bonded to a support member having a cut portion defining a pre-determined outlet portion to be an outlet for taking out a contained item, and the support member. a re-closing label, the re-closing label having a tab portion serving as a starting point for opening, and a label body adjacent to the tab portion in the opening direction, wherein the re-closing label comprises the cutting portion. The label body is attached to the supporting member so that the label body covers the insertion part, and the label body has at least one tamper-evident confirmation part for confirming tamper-evident tampering other than opening from the knob part. formed.

A packaging body according to still another aspect of the present invention is a container main body for taking out a contained object, and one surface has a notched portion that defines a planned outlet portion to be an outlet for taking out the contained object. and a reclosable label attached to the containing main body, wherein the recloseable label includes a pick portion serving as a starting point for opening and the pick portion in the unsealing direction. and a label body adjacent to the reclose label, wherein the reclose label is attached to the containing body so that the label body covers the notch, and the label body includes the grip portion. At least one tamper-evident verification portion is formed for verifying tamper-evident tampering other than tamper-evident tampering.

In the reclose label, the lid and the package, the tamper-evident confirmation portion is formed on the label body. As a result, when the package is illegally opened from a part other than the handle, it can be confirmed that such an opening has been performed.

In one embodiment of the reclose label, lid, or package, the tamper evident portion is a score line having a first end and a second end opposite the first end, and At least one of the first end portion and the second end portion of the score line may not be located outside the label body from the central portion of the score line.

In the above configuration, for example, when the label is opened from the outside of the tamper-evident confirmation part, at least one of the first end and the second end is broken toward the inner side (or the central side) of the label body. Therefore, it is possible to confirm whether or not the package has been illegally opened based on the presence or absence of breakage.

In one embodiment of the lid body or the package body, the tamper-evident confirmation part may be formed outside an intermediate area between the outlet corresponding area corresponding to the outlet in the label body and the knob part. good.

The intermediate region of the label body is a portion that is peeled off when the label is properly opened starting from the tab. Therefore, by providing the tamper-evident confirmation part outside the intermediate region, it is possible to confirm whether or not tampering has been carried out. It is possible to prevent breakage from the confirmation part.

In one embodiment of the lid or package, the at least one tamper-evident portion comprises a first tamper-evident portion, a second tamper-evident portion and a third tamper-evident portion, and the first tamper-evident The tampering confirmation part is located on the opposite side of the knob part when viewed from the area corresponding to the outlet, the second tampering confirmation part is located on the side of the area corresponding to the outlet, and the third The tamper-evident confirmation part may be located on the side of the outlet corresponding area and on the side opposite to the second tamper-evident confirmation part when viewed from the outlet corresponding area. As a result, it is possible to confirm whether or not there is unauthorized opening from the side of the area corresponding to the outlet, and whether or not there is unauthorized opening from the side opposite to the knob when viewed from the area corresponding to the outlet.

In one embodiment of the lid body or package body, the at least one tamper-evident confirmation part is located in a region other than an intermediate region between the outlet corresponding region corresponding to the outlet in the label body and the knob. A perforated line provided in a part of the periphery of the area corresponding to the outlet. When the breaking strength of the perforated line is α and the adhesive strength between the label body and the support member is β, α/β may be 2 or less.

In the above configuration, for example, when the label is opened from the outside of the perforation line, breakage occurs from the perforation line toward the inner side (or center side) of the label body. Therefore, it is possible to confirm whether or not the package has been illegally opened based on the presence or absence of breakage.

In one embodiment of the lid or package, the perforation line may surround the area corresponding to the outlet while the intermediate area is open.

As a result, it is possible to more reliably confirm whether or not there is unauthorized opening from the periphery of the area corresponding to the outlet. The intermediate region of the label body is a portion that is peeled off when the label is properly opened starting from the tab. Therefore, the perforated line is formed so as to surround the area corresponding to the outlet while the intermediate area is open. can be prevented from breaking.

Another example of a package according to another aspect of the present invention includes the reclose label or the lid.

ADVANTAGE OF THE INVENTION According to one aspect of the present invention, it is possible to provide a reclosable label, a lid, and a package that allow confirmation of whether or not unauthorized opening has been carried out.

FIG. 1 is a perspective view of a package provided with a reclose label according to the first embodiment. FIG. 2 is a cross-sectional view taken along line II-II of FIG. FIG. 3 is a cross-sectional view of the package in which the reclose label is peeled off and an outlet is formed. FIG. 4 is a plan view of the lid according to the first embodiment. 5 is a drawing for explaining the layer structure of the base film of the lid shown in FIG. 4. FIG. 6 is a drawing for explaining the layer structure of the reclose label included in the lid shown in FIG. 4. FIG. 7 is a plan view of the reclose label shown in FIG. 4. FIG. FIG. 8 is a drawing showing an example of locations where a plurality of tamper-evident confirmation parts are arranged. FIG. 9 is a drawing showing the tamper-evident confirmation unit. FIGS. 10(a) to 10(d) are drawings showing other examples of the tamper-evident confirmation unit. FIG. 11 is a drawing for explaining the function of the tampering confirmation unit. FIG. 12(a) is a photographic view showing the vicinity of the tamper-evident confirmation part in a lid body manufactured by bonding a reclose label to a base film, and FIG. 12(b) is a photograph shown in FIG. 12(a). It is drawing which shows the photograph of the state after peeling a reclose label from a base film in the white arrow direction of Fig.12 (a). 13 is a plan view showing the base film and the reclose label prepared in Experimental Example 1. FIG. FIG. 14 is a drawing showing the arrangement of seven tamper-evident confirmation parts in Experimental Example 1. As shown in FIG. FIGS. 15(a) to 15(h) are diagrams for explaining the tamper-evident confirmation unit employed in Experimental Example 1. FIG. FIG. 16 is a drawing showing the arrangement state of the tamper-evident confirmation part shown in FIG. FIG. 17 is a drawing showing an opening portion employed in Experimental Example 1. FIG. 18 is a chart showing experimental results of Experimental Example 1. FIG. 19 is a chart showing experimental results of Experimental Example 1. FIG. FIG. 20 is a plan view of the lid according to the second embodiment. FIG. 21 is a drawing for explaining a perforation line (unauthorized tampering confirmation portion) in the second embodiment. FIG. 22 is a drawing for explaining an example of a method for measuring breaking strength. FIG. 23(a) is a photographic view showing the vicinity of the perforation line in a lid body manufactured by adhering a reclose label to a base film, and FIG. 23(b) is a photograph of the reclose label shown in FIG. Fig. 23(a) is a drawing showing a photograph of a state after the label has been peeled off from the base film in the direction of the white arrow in Fig. 23(a). 24 is a plan view showing the base film and reclose label prepared in Experimental Example 2. FIG. 25 is a chart showing experimental results of Experimental Example 2. FIG.

Embodiments of the present invention will be described below with reference to the drawings. The same reference numerals are given to the same elements. Redundant explanations are omitted. The dimensional proportions of the drawings do not necessarily match those of the description.

(First embodiment)
FIG. 1 is a perspective view of a package with a reclose label according to one embodiment. FIG. 2 is a cross-sectional view taken along line II-II of FIG. As shown in FIGS. 1 and 2 , the package 1 includes a container 3 for containing a content 2 and a lid 4 for closing the opening of the container 3 . Examples of the container 2 are food, wet wipes, cosmetics, and the like. In FIG. 2, the sheet-like container 2 is shown as an example, but the shape of the container 2 is not limited to the sheet-like shape.

The storage container 3 includes a storage portion 7 having a bottom wall 5 and a side peripheral wall 6 provided around the bottom wall 5, and a flange portion 8 projecting outward from the end portion of the side peripheral wall 6 opposite to the bottom wall 5. have In the first embodiment, the planar shape of the bottom wall 5 and the corresponding planar shape of the container 3 are rectangular, as shown in FIG. However, the plan view shape of the storage container 3 may be circular, elliptical, polygonal, or the like. The container 3 may be made of any material as long as it can be joined to the lid 4 and can accommodate the object 2 appropriately. The container 3 is made of plastic, for example.

The lid 4 is a member in which a reclose label 20 is laminated on a base film (supporting member) 10 . The base film 10 is joined to the flange portion 8 so as to close the opening of the container 3 . The reclose label 20 is attached to the base film 10 so that the package 1 can be opened and resealed.

When taking out the contained item 2 from the package 1, the handle 21 of the reclose label 20 is lifted and reclosed along the unsealing direction D1 preset (for example, displayed by printing) on the package 1. Peel off the label 20 . As a result, as shown in FIG. 3, the base film 10 is formed with an outlet 11 for taking out the contents 2 from the package 1 . Specifically, as the reclose label 20 is peeled off, the area of the base film 10 that becomes the outlet 11 is pulled up as the film piece 12 toward the reclose label 20 , thereby forming the outlet 11 .

In the first embodiment, the end side of the reclose label 20 and the film piece 12 opposite to the unsealed end of the reclose label 20 and the film piece 12 is maintained in a bonded state with the base film 10 in the unsealing direction D1. Since the connecting portion between the reclose label 20 and the film piece 12 and the base film 10 in the state where the outlet 11 is formed functions as a hinge, the reclose label 20 can be reattached to the base film 10 to close the outlet. 11 can be reliably resealed.

Hereinafter, for convenience of explanation, in the opening direction D1, the knob portion 21 side is also referred to as the front side, and the opposite side to the knob portion 21 is also referred to as the rear side.

The lid 4 will be further described with reference to FIG. The lid 4 has a base film 10 and a reclose label 20 .

The base film 10 is a film having a sealant layer on the container 3 side. The planar view shape of the base film 10 may be the same as the planar view shape of the storage container 3 . In the first embodiment, the planar view shape of the base film 10 is a rectangle. In the first embodiment, an example of the longitudinal length L1 of the base film 10 is 100 mm to 300 mm, and an example of the transverse length L2 is 50 mm to 450 mm. In plan view, the peripheral edge of the base film 10 may protrude outside the peripheral edge of the container 3 (the edge of the flange portion 8).

Examples of various lengths and distances described below are based on the configurations of the base film 10 and the reclose label 20 in the first embodiment (especially the form shown in FIG. 4) unless otherwise specified.

The base film 10 has a cutout portion 13 that defines a planned outlet portion 14 to be the outlet port 11 . The notch 13 has an open ring shape in which a part of the rear side (the side opposite to the knob 21) is open in plan view. The inner side of the cut portion 13 is a planned outlet portion 14 in which the outlet 11 is formed, and is also a portion to be the film piece 12 .

The cut portion 13 includes a first region 131 extending in the opening direction D1, a second region 132 facing the first region 131 and parallel to the first region 131, a front end portion of the first region 131 and a second A third region 133 connecting the front ends of the regions 132, a fourth region 134 extending from the rear end of the first region 131 toward the second region 132, and a rear end of the second region 132 toward the first region 131. and a fifth region 135 extending to the In the first embodiment, the opening direction D1 is the longitudinal direction of the base film 10 (or reclose label 20).

The first to fifth regions 131 to 135 are lines on which the film piece 12 can be formed as the reclose label 20 is peeled off from the base film 10 . The first to fifth regions 131 to 135 may be cut lines penetrating all the way through the base film 10 in the thickness direction, or may be cut lines in a semi-penetrating (half-cut) state. The first to fifth regions 131 to 135 may be continuous cut lines or perforated lines. The first to fifth regions 131 to 135 can be formed by cutting, for example.

In the first embodiment, the third region 133 is curved so as to protrude forward. The fourth region 134 has a parallel region parallel to the direction orthogonal to the opening direction D1, and the end of the parallel region on the second region 132 side is folded forward. Similarly, the fifth region 135 has a parallel region parallel to the direction orthogonal to the opening direction D1, and the end of the parallel region on the side of the first region 131 is folded forward. The parallel regions of the fourth region 134 and the fifth region 135 are located on the same straight line and correspond to the rear end of the cut portion 13 (or the rear end of the outlet 11). The lengths of the folded portions in the fourth region 134 and the fifth region 135 are the same. Therefore, the end portion 134a of the fourth region 134 and the end portion 135a of the fifth region 135 are positioned on the same straight line along the direction orthogonal to the opening direction D1. The end 134a is the end of the fourth region 134 opposite to the rear end of the first region 131, and the end 135a is the end of the fifth region 135 opposite to the rear end of the second region 132. Department.

An example of the length L3 of the cut portion 13 in the opening direction D1 (corresponding to the length of the outlet 11 in the opening direction D1) is 30 mm to 230 mm. The length L3 is the distance between the top of the third region 133 (the portion closest to the front end of the base film 10) and the rear end of the cut portion 13. As shown in FIG.
An example of the length L4 of the notch 13 in the direction orthogonal to the opening direction D1 is 30 mm to 130 mm. Length L4 is the distance between first region 131 and second region 132 .
An example of the length L5 between the ends 134a and 135a is 3 mm to 120 mm.

An example thickness of the base film 10 is 30 μm to 150 μm. The base film 10 is a laminated film having a sealant layer 101 and a substrate 102 laminated on the sealant layer 101 and having a barrier property, as shown in FIG. FIG. 5 shows a portion of the base film 10 in area A shown in FIG.

The sealant layer 101 is a layer formed of low-density polyethylene, linear polyethylene, medium-density polyethylene, high-density polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-methyl methacrylate copolymer, ionomer, or the like. Antioxidants, stabilizers, lubricants, anti-blocking agents, antistatic agents, anti-clouding agents, and adhesion modifiers are added to the sealant layer as necessary, taking into consideration the workability and thermal stability of the material of the sealant layer. , fillers, coloring agents and the like may be added.

The substrate 102 having a barrier property is, for example, a polyvinyl alcohol (PVA) film which is a polyvinyl alcohol resin film, an ethylene-vinyl alcohol copolymer (EVOH) film and a polyvinylidene chloride resin film such as polyvinylidene chloride (PVDC). Extruded resin films or K-coated films obtained by coating polyvinylidene chloride on various plastic films. Substrate 102 may be a film deposited with silica, alumina, aluminum or tin. Substrate 102 may be stretched.

Base film 10 may have other substrates on substrate 102 . Examples of other substrates are polyethylene terephthalate (PET) film, biaxially oriented polypropylene (OPP) film, paper sheets, polybutylene terephthalate (PBT), cellophane film, and the like.

In the base film 10 configured as described above, the inner side of the cut portion 13 is separated from the outer side of the cut portion 13 by peeling off the reclose label 20 . As a result, as shown in FIG. 3, the inner portion of the cut portion 13 is pulled up as the film piece 12 together with the reclose label 20 to form the outlet 11 in the base film 10 . That is, the package 1 is opened. Furthermore, by attaching the reclose label 20 to the base film 10 again, the film piece 12 closes the outlet 11 and the package 1 is resealed.

Since the notch 13 has an open ring shape that is partially open on the rear end side in the opening direction D1, the connection state between the film piece 12 and the base film 10 is maintained. Therefore, the reclose label 20 is not completely separated from the base film 10 and has a portion corresponding to the hinge described with reference to FIG. Therefore, when the reclose label 20 is attached to the base film 10 again, the outlet 11 is easily closed.

The cut portion 13 has a fourth region 134 and a fifth region 135 that are folded forward near the ends 134a and 135a. Therefore, the length (for example, length L5) of the film piece 12 in the direction orthogonal to the opening direction D1 of the film piece 12 at the connecting portion between the film piece 12 and the base film 10 is the length of the cut portion 13 in the direction orthogonal to the opening direction D1. shorter than L4. Therefore, the unsealed reclose label 20 is prevented from being pulled back by the film piece 12 . That is, the cut portion 13 having the fourth area 134 and the fifth area 135 has a configuration that suppresses the return of the reclose label 20 in the unsealed state.

In order to suppress the return of the reclose label 20, the length L5 should be set in consideration of the rigidity of the base film 10 and the reclose label 20, the size of the notch 13, and the like. good.

The reclose label 20 will be described with reference to FIG. 4 again. The reclose label 20 is a resealable label and is attached to the base film 10 so that the package 1 can be opened and resealed. The reclose label 20 has a knob portion 21 and a label body 22 . The reclose label 20 is a film having an adhesive layer on the base film 10 side, and is a film in which an anti-paste layer is formed on a region of the adhesive layer corresponding to the knob portion 21 .

The grip portion 21 is a portion where the user grips the reclose label 20 with fingers when opening or resealing the package 1 . The knob 21 is a starting point for opening the package. The knob portion 21 is a portion of the package 1 that includes one end portion of the reclose label 20 in the preset opening direction D1. In the first embodiment, the length of the tab portion 21 along the direction perpendicular to the opening direction D1 (hereinafter referred to as the “width direction”) is shorter than the length of the label body 22 in the width direction.

The label body 22 is a portion that covers the intended outlet portion 14 , is adjacent to the knob portion 21 in the opening direction D<b>1 , and is integrated with the knob portion 21 . In the first embodiment, the planar shape of the label body 22 has a rectangular shape.

An example of the length (longitudinal length) L6 along the unsealing direction D1 of the reclose label 20 is 50 mm to 250 mm.
An example of the widthwise length L7 of the reclose label 20 is 50 mm to 150 mm.
A length L6 is the distance between the front end of the knob 21 and the rear end of the label body 22 . The length L7 is the distance between both side edges of the label body 22 (the length in the lateral direction in the first embodiment).

An example thickness of the reclose label 20 is 65 μm to 120 μm. As shown in FIG. 6, the reclose label 20 includes an adhesive layer 201, a base material 202 supporting the adhesive layer 201, a printed layer 203 laminated on the base material 202, and a barrier layer laminated on the printed layer 203. It is a laminate having a base material 204 having properties. Laminates can be formed, for example, by lamination.

The adhesive layer 201 is a layer for bonding the reclose label 20 to the base film 10, and is made of an adhesive. Examples of adhesives include solvent-type, emulsion-type, or non-solvent-type (oligomer type, hot-melt type) acrylic acid ester copolymer-based adhesives, and solvents obtained by blending natural rubber or synthetic rubber with a tackifying resin. type or hot-melt adhesives, calender coating adhesives, silicone-based adhesives, liquid curing adhesives obtained by blending tackifying resins with polyether or diene-based oligomers, and other adhesives. .
Examples of the substrate 202 include OPP film, paper sheet, and PET film.
The printed layer 203 is a layer obtained by printing a printing base material. Examples of the printing substrate include a plastic resin film having good printability such as a PET film or a polyamide film. For example, a pattern, an arrow indicating the opening direction D1, and the like are printed on the print layer 203 .
Examples of substrate 204 with barrier properties are the same as for substrate 102 .
Here, the printed layer 203 is described as a layer obtained by printing on the printing base material as described above, but the base material 202 or the base material 204 may be subjected to printing, for example.

As shown in FIG. 6, an anti-paste layer 205 is formed on the adhesive layer 201 in the knob portion 21 . The desizing layer 205 is made of varnish or the like. Thereby, the knob part 21 does not have stickiness. The anti-paste layer 205 can be formed by subjecting the adhesive layer 201 to an anti-paste treatment. The anti-paste treatment is a treatment for partially sealing the adhesive force, and examples of the anti-paste treatment include printing ink or varnish on the adhesive layer.

The reclose label 20 is further described with reference to FIG. For convenience of explanation, the region of the label body 22 corresponding to the ejection port 11 (the region facing the ejection port 11 or the intended ejection port portion 14 ) is referred to as an ejection port corresponding region 25 . The ejection port corresponding region 25 is a portion that overlaps the intended ejection port portion 14 in a plan view of the label body 22 . In FIG. 7, the area 25 corresponding to the outlet is illustrated by enclosing the area 25 corresponding to the outlet with a solid line.

[Unauthorized Opening Confirmation Department]
The reclose label 20 (more specifically, the label body 22) has at least one tamper-evident confirmation portion 23. As shown in FIG. In the first embodiment, as shown in FIG. 7, the case where the reclose label 20 has seven tamper-evident confirmation portions 23 will be described. The tamper-evident confirmation part 23 is arranged outside the outlet corresponding area 25 in the label body 22 . The tamper-evident confirmation portion 23 in the first embodiment is formed in a region of the label body 22 other than the intermediate region 26 between the knob portion 21 and the outlet corresponding region 25 . The intermediate region 26 is surrounded by two straight lines 26a (schematically indicated by dashed lines in FIG. 7) passing through both ends of the knob 21 and parallel to the opening direction D1, the knob 21, and the area 25 corresponding to the outlet. It is an area where

When distinguishing seven tamper-evident confirmation parts 23, each of the seven tamper-evident confirmation parts 23 is divided into an tamper-evident confirmation part (first tamper-evident confirmation part) 23A and an tamper-evident confirmation part (second tamper-evident confirmation part). 23B, tampering confirmation unit (third tampering confirmation unit) 23C, tampering confirmation unit 23D, tampering confirmation unit 23E, tampering confirmation unit 23F, and tampering confirmation unit 23G.

The tamper-evident confirmation portion 23A and the tamper-evident confirmation portion 23B are positioned to the side of the outlet corresponding area 25 . The tamper-evident confirmation portion 23B is located on the opposite side of the tamper-evident confirmation portion 23A when viewed from the outlet corresponding area 25 .
The tamper-evident confirmation portion 23C is located on the opposite side of the knob portion 21 when viewed from the outlet corresponding area 25 .
The tamper-evident confirmation portion 23D is positioned between the intermediate region 26 and the tamper-evident confirmation portion 23A.
The tampering confirmation section 23E is located between the tampering confirmation section 23A and the tampering confirmation section 23C.
The tampering confirmation section 23F is located between the tampering confirmation section 23C and the tampering confirmation section 23B.
The tamper-evident confirmation portion 23G is positioned between the intermediate region 26 and the tamper-evident confirmation portion 23B.

Therefore, when the reclose label 20 is viewed from above, the seven tamper-evident confirmation parts 23 are arranged clockwise from the intermediate area 26 around the ejection opening corresponding area 25 (extraction opening planned part 14). 23D, tampering confirmation unit 23A, tampering confirmation unit 23E, tampering confirmation unit 23C, tampering confirmation unit 23F, tampering confirmation unit 23B, and tampering confirmation unit 23G.

With reference to FIG. 8, an example of the layout of the seven tamper-evident confirmation units 23 will be described more specifically. As shown in FIG. 8, a quadrangle Q (a rectangle in FIG. 8) is assumed in which the outlet corresponding region 25 is in contact with the inner side. A straight line parallel to the unsealing direction D1 passing through the central portion 25a (the center of the rectangle Q) of the outlet corresponding region 25 is the center line C1. A straight line passing through the central portion 25a and perpendicular to the center line C1 is referred to as a straight line C2. Two diagonal lines in quadrangle Q are called diagonal line C3 and diagonal line C4. An example of arrangement of the seven tamper-evident confirmation units 23 in this case is as follows.

The tamper-evident confirmation portion 23A and the tamper-evident confirmation portion 23B are arranged on both sides of the outlet corresponding area 25 on the straight line C2.
The tamper-evident confirmation portion 23C is arranged on the opposite side of the knob portion 21 when viewed from the outlet corresponding region 25 on the center line C1.
The tamper-evident confirmation portion 23D is arranged on the diagonal line C3 between the center line C1 (or the intermediate region 26 shown in FIG. 7) and the tamper-evident confirmation portion 23A.
The tampering confirmation portion 23E is arranged between the tampering confirmation portion 23A and the tampering confirmation portion 23C on the diagonal line C4.
The tampering confirmation portion 23F is arranged between the tampering confirmation portion 23C and the tampering confirmation portion 23B on the diagonal line C3.
The tamper-evident confirmation portion 23G is arranged on the diagonal line C4 between the tamper-evident confirmation portion 23B and the center line C1 (or the intermediate region 26 shown in FIG. 7).

The tampering confirmation unit 23 will be further described with reference to FIG. The tamper evident portion 23 is a score line having a first end 23a and a second end 23b. The tamper-evident confirmation portion 23 may be a cut line that completely penetrates the reclose label 20 in the thickness direction, or may be a cut line that is half-penetrated (half-cut). The tamper-evident confirmation portion 23 can be formed by cutting, for example.

The tamper-evident confirmation portion 23 is formed so that both the first end portion 23a and the second end portion 23b are not located outside the central portion 23c of the tamper-evident confirmation portion 23 (edge side of the label body 22). there is

The arrangement condition that "both the first end portion 23a and the second end portion 23b are not located outside the central portion 23c of the tamper-evident confirmation portion 23 (edge side of the label body 22)" is, for example, the following arrangement condition: Fulfill.

<Placement conditions>
As shown in FIG. 9, assuming a straight line VL1 connecting the central portion 25a (see FIG. 8) of the outlet corresponding region 25 and the central portion 23c of the tampering confirmation portion 23, the straight line VL1 is orthogonal to the central portion A straight line VL2 passing through 23c is assumed. In this case, both the first end portion 23a and the second end portion 23b are not positioned outside the straight line VL2 (on the side opposite to the central portion 25a).

The straight line VL1 corresponds to, for example, the center line C1, the straight line C2, the diagonal line C3, or the diagonal line C4 shown in FIG.

Unless otherwise specified, the tamper-evident confirmation section 23 in the first embodiment is formed in a state that satisfies the above arrangement conditions.

In the form shown in FIG. 9, the shape of the tamper-evident confirmation portion 23 is an arcuate shape in which the central portion 23c is located on the outermost side of the tamper-evident confirmation portion 23. As shown in FIG. Therefore, in the arc-shaped tamper-evident confirmation portion 23, the first end portion 23a and the second end portion 23b are positioned closer to the outlet corresponding region 25 than the central portion 23c. When the tamper-evident confirmation portion 23 has an arc shape, an example of the radius of curvature of the arc is 0.5 mm or more and 50 mm or less. An example of the length d1 between the first end 23a and the second end 23b is 2 mm or more and 25 mm or less.

The shape of the tamper-evident confirmation portion 23 may be a linear shape as shown in FIG. 10(a). FIG. 10(a) shows a case where the linear tamper-evident confirmation portion 23 is arranged along the straight line VL2. The length d2 between the first end 23a and the second end 23b of the linear tamper-evident confirmation portion 23 can be the same as the example of the length d1 shown in FIG. As shown in FIG. 10B, the linear tamper-evident confirmation portion 23 may be arranged in a state inclined at an angle θ1 with respect to the straight line VL1. The angle θ1 is an angle greater than 0° and less than 90° or greater than 90° and less than 180°.

As shown in FIG. 10(c), the tamper-evident confirmation portion 23 may have a U-shape in which the vicinity of the first end portion 23a and the second end portion 23b is bent toward the label center side (center portion 25a side). . The tamper-evident confirmation portion 23 shown in FIG. 10(c) has a straight portion 231 along the straight line VL2 and side portions 232 bent from both ends of the straight portion 231 toward the central portion 25a. In the form shown in FIG. 10(c), the side portion 232 is orthogonal to the straight portion 231 and parallel to the straight line VL1. An example length d3 between the first end 23a and the second end 23b may be similar to the example length d1 shown in FIG. An example of the length d4 of the side portion 232 is 0.2 mm or more and 25 mm or less. The angle between the straight portion 231 and the side portion 232 is not limited as long as both the first end portion 23a and the second end portion 23b are not located outside the straight line VL2.

As shown in FIG. 10(d), the tamper-evident confirmation portion 23 may have a V-shape bent at the central portion 23c. An example length d5 between the first end 23a and the second end 23b may be similar to the example length d1 shown in FIG. An example of the angle θ2 between the straight portion between the central portion 23c and the first end portion 23a and the straight portion between the central portion 23c and the second end portion 23b is 1° or more and 180° or less (or 180° less than). The bent position of the V-shaped tamper-evident confirmation portion 23 is not limited to the position of the central portion 23c.

For the package 1 provided with the reclose label 20, peeling the reclose label 20 from the tab 21 in the opening direction D1 is the normal opening method. Therefore, as shown in FIG. 11, the tampering confirmation portion 23 arranged at a location different from the knob 21 (FIG. 11 shows the case where the tampering confirmation portion 23 is the tampering confirmation portion 23A). When the reclose label 20 is peeled off from the side of the package 1 toward the outlet corresponding area 25 in the unsealing direction D2 to unseal the package 1, such unsealing is fraudulent opening.

The tampering confirmation part 23 is a cut line. In the tamper-evident confirmation portion 23, both the first end portion 23a and the second end portion 23b are not located outside the central portion 23c. With such a configuration, if unauthorized opening is performed along the opening direction D2, the opening corresponding area 25 is broken along the opening direction D2 from at least one of the first end portion 23a and the second end portion 23b. and such rupture results in loss of resealing function.

A specific description will be given with reference to FIGS. 12(a) and 12(b). FIGS. 12(a) and 12(b) are diagrams showing the results of peeling performed on a prototype lid 4. FIG. FIG. 12(a) is a drawing showing a photograph showing the vicinity of the tamper-evident confirmation portion 23 in the lid body 4 manufactured by bonding the reclose label 20 to the base film 10. FIG. The tamper-evident confirmation portion 23 shown in FIG. 12( a ) has an arc shape similar to that in FIG. 9 . FIG. 12(b) is a drawing showing a photograph of a state after the reclose label 20 shown in FIG. 12(a) has been peeled off from the base film 10 in the direction of the white arrow in FIG. 12(a). When the reclose label 20 is peeled from the vicinity of the tamper-evident confirmation portion 23 shown in FIG. 12(a), as shown in FIG. A breakage occurred toward the part 13 side), and due to the breakage, it was deformed into a state in which resealing was impossible.

Since the tamper-evident confirmation portion 23 is formed in the reclose label 20 in this way, if the reclose label 20 is unsealed from an illicit portion other than the knob portion 21, the tamper-evident confirmation portion 23 to the outlet corresponding region 25 will be removed. The reclose label 20 is deformed in such a way that it cannot be resealed due to the breakage. Therefore, it is possible to reliably confirm that the package has been illegally opened by means other than the knob 21.例文帳に追加Therefore, by forming the tamper-evident confirmation portion 23 on the reclose label 20, it is possible to suppress tamper-evident opening from other than the knob portion 21. FIG.

When the reclose label 20 has a plurality of tamper-evident confirmation parts 23, the number of positions where it is possible to confirm whether or not tampering has been carried out increases. As a result, the rate at which unauthorized opening can be confirmed increases, and the effect of preventing unauthorized opening increases. When the reclose label 20 has three tamper-evident confirmation portions 23A, 23B, and 23C, it is easy to confirm tampering from the side and rear of the outlet corresponding area 25. FIG. In addition to the tampering confirmation portion 23A, the tampering confirmation portion 23B, and the tampering confirmation portion 23C, the reclose label 20 further includes an tampering confirmation portion 23D, an tampering confirmation portion 23E, an tampering confirmation portion 23F, and an tampering confirmation portion 23G. , it is easier to check the presence or absence of tampering from the periphery of the outlet corresponding area 25 . If the tampering confirmation part 23 is formed closer to the outlet corresponding area 25, it is easier to confirm tampering.

The intermediate region 26 is a portion that is peeled off when the package is opened normally starting from the knob portion 21 . Therefore, in the form in which the tamper-evident confirmation part 23 is formed outside the intermediate region 26, it is possible to confirm whether or not tampering has been carried out, and the reclose label 20 has been peeled off by an authorized opening method. In this case, it is possible to prevent the tamper-evident confirmation portion 23 from being broken.

The shape of the tamper-evident confirmation portion 23 and the positional relationship with respect to the outlet corresponding region 25 can be variously modified without departing from the gist of the present invention.

Next, Experimental Example 1 regarding the lid 4 will be described. In Experimental Example 1, for convenience of explanation, the same elements as those of the base film 10 and the reclose label 20 explained in the first embodiment are denoted by the same reference numerals, and redundant explanations are omitted.

In Experimental Example 1, the base film 10 and reclose label 20 shown in FIG. 13 were used.

<Base film>
Base film 10 was a laminated film in which a PET film was laminated via a dry lamination adhesive on a multi-layer barrier anti-cloud sealant layer.

As the multilayer barrier anti-cloud sealant layer, "Diamiron V441" manufactured by Mitsubishi Chemical Corporation was used. The thickness of the multi-layer barrier anti-cloud sealant layer was 60 μm. The multi-layer barrier anti-cloud sealant layer was a laminated film of a nylon (NY) film, an ethylene-vinyl alcohol copolymer (EVOH) film, and an ethylene-propylene copolymer film with an added anti-cloud agent.
"Ester E5102" manufactured by Toyobo Co., Ltd. was used as the PET film. The thickness of the PET film was 12 μm.
As the dry laminate adhesive, an adhesive containing "TM242A" manufactured by Toyo-Morton Co., Ltd. as a main agent and "TM242B" manufactured by Toyo-Morton Co., Ltd. as a curing agent was used.

The planar view shape of the base film 10 was a rectangle. The longitudinal length L1 of the base film 10 was 259 mm, and the transverse length L2 was 127 mm.

A cut portion 13 was formed in the base film 10 by cutting. The notch 13 was a perforated line. The position of the center line (the center line along the longitudinal direction) of the cut portion 13 coincided with the center line of the base film 10 . The incision 13 was symmetrical about the centerline of the incision 13 .

The cut portion 13 had the first to fifth regions 131 to 135 described in the first embodiment. The third region 133 was curved to be convex forward. The rear end sides of the first region 131 and the second region 132 were bent inward as shown in FIG. The fourth region 134 and the fifth region 135 have parallel regions (regions parallel to the direction orthogonal to the opening direction D1) described in the first embodiment, and are folded forward at the ends 134a and 135a. It was

Hereinafter, for convenience of explanation, the portion of the third region 133 closest to the front end of the base film 10 will be referred to as the top portion of the third region 133, and the parallel region in the fourth region 134 (or fifth region 135) will be referred to as the top portion of the third region 133. , the rear end of the notch 13 .

The longitudinal length L3 of the notch 13 was 171 mm.
The length L4 of the notch 13 in the lateral direction was 83 mm.
The length L5 between the ends 134a and 135a was 23 mm.

<Reclose label>
As the reclose label 20, a laminate obtained by laminating a KOP film on a tack label with an ultraviolet curing adhesive (UV adhesive) interposed therebetween was used. An anti-paste layer was laminated on the adhesive layer side of one end of the tack label to form a grip portion 21 .
As the tack label, "CL BOPP/R1490" manufactured by Avery Dennison Japan K.K. was used. The tack label was obtained by forming an acrylic adhesive layer (thickness: about 25 μm) on an OPP film (thickness: 50 μm) as a base material.
As the KOP film, "Seneshi KOP 1000" manufactured by Daicel Value Coating Co., Ltd. was used. The thickness of the KOP film was 20 μm.
"Acrytac L315" manufactured by No Tape Industry Co., Ltd. was used as the UV adhesive.
The anti-paste layer was formed by applying "UV peel OP varnish" manufactured by T&K TOKA Co., Ltd. on the adhesive layer of the tack label.

The reclose label 20 had a tab portion 21 and a label body 22. - 特許庁The longitudinal length L6 of the reclose label 20 was 204 mm. The length L7 of the reclose label 20 in the direction (width direction) perpendicular to the unsealing direction D1 was 103 mm.

The grip portion 21 is arranged so that the center of the width direction of the grip portion 21 coincides with the center line C1 of the label body 22 (or the reclose label 20). The widthwise length L8 of the knob portion 21 was 73 mm.

The plane view shape of the label main body 22 was a rectangle. The longitudinal length L9 of the label body 22 was 193 mm.

The reclose label 20 had seven tamper-evident confirmation parts 23 . That is, the reclose label 20 includes an tamper-evident confirmation portion 23A, an tamper-evident confirmation portion 23B, an tamper-evident confirmation portion 23C, an tamper-evident confirmation portion 23D, an tamper-evident confirmation portion 23E, an tamper-evident confirmation portion 23F, and an tamper-evident confirmation portion 23G. had. Each tamper-evident confirmation portion 23 was a cut line that completely penetrated the label body 22 in the thickness direction. Each tamper-evident confirmation portion 23 is formed by cutting.

When the reclose label 20 is viewed from above, the seven tamper-evident confirmation parts 23 are arranged clockwise from the middle area 26 around the outlet corresponding area 25 (the outlet planned part 14). The tamper-evident confirmation section 23A, the tamper-evident confirmation section 23E, the tamper-evident confirmation section 23C, the tamper-evident confirmation section 23F, the tamper-evident confirmation section 23B, and the tamper-evident confirmation section 23G are arranged in this order. As described with reference to FIG. 8, the seven tamper-evident confirmation parts 23 are arranged on the center line C1, the straight line C2, the diagonal line C3 and the diagonal line C4.

The arrangement state of the seven tamper-evident confirmation units 23 in Experimental Example 1 will be described with reference to FIG. 14 . In FIG. 14 as well, the area 25 corresponding to the outlet is indicated by a solid line. A straight line VL1 in the following description corresponds to the center line C1, the straight line C2, the diagonal line C3 and the diagonal line C4 depending on where the tamper-evident confirmation portion 23 is arranged.

The tamper-evident confirmation portion 23A and the tamper-evident confirmation portion 23B are arranged on the side of the outlet corresponding area 25 on the straight line C2. The central portions 23c of the tamper-evident confirmation portion 23A and the tamper-evident confirmation portion 23B were located on the straight line C2. The tamper-evident confirmation portion 23B is arranged on the opposite side of the tamper-evident confirmation portion 23A when viewed from the outlet corresponding area 25. - 特許庁
The tamper-evident confirmation portion 23C is arranged on the opposite side of the knob portion 21 when viewed from the outlet corresponding region 25 on the center line C1. The central portion 23c of the tamper-evident confirmation portion 23C was located on the center line C1.
The tamper-evident confirmation portion 23D is arranged between the intermediate region 26 and the tamper-evident confirmation portion 23A on the diagonal line C3. The central portion 23c of the tamper-evident confirmation portion 23D was located on the diagonal line C3.
The tampering confirmation portion 23E is arranged between the tampering confirmation portion 23A and the tampering confirmation portion 23C on the diagonal line C4. The central portion 23c of the tamper-evident confirmation portion 23E was located on the diagonal line C4.
The tampering confirmation part 23F is arranged between the tampering confirmation part 23C and the tampering confirmation part 23B on the diagonal line C3. The central portion 23c of the tamper-evident confirmation portion 23F was located on the diagonal line C3.
The tamper-evident confirmation portion 23G is arranged between the tamper-evident confirmation portion 23B and the intermediate region 26 on the diagonal line C4. The central portion 23c of the tamper-evident confirmation portion 23G was positioned on the diagonal line C4.

In Experimental Example 1, an experiment was conducted using eight tamper-evident confirmation units shown in FIGS.

The tampering confirmation part 23_1 shown in FIG. 15(a) was the linear tampering confirmation part 23 shown in FIG. 10(a). The length d2 between the first end 23a and the second end 23b was 10 mm. The tampering confirmation part 23_1 is arranged so as to be orthogonal to the straight line VL1 as described with reference to FIG. 10(a).

The tampering confirmation portion 23_2 shown in FIG. 15B was the arc-shaped tampering confirmation portion 23 shown in FIG. The tamper-evident confirmation portion 23_2 is arranged such that the first end portion 23a and the second end portion 23b are located closer to the center of the label than the center portion 23c. The curvature of the arc was 10 mm. The length d1 between the first end 23a and the second end 23b was 10 mm.

The tampering confirmation part 23_3 shown in FIG. 15(c) was the U-shaped tampering confirmation part 23 shown in FIG. 10(c). The tamper-evident confirmation portion 23_3 has a linear portion 231 and side portions 232 as described with reference to FIG. 10(c). The length d4 of the straight portion 231 was 10 mm. The length d5 of the side portion 232 was 3 mm. The straight portion 231 and the side portion 232 were perpendicular to each other. The tamper-evident confirmation portion 23_3 is arranged such that the first end portion 23a and the second end portion 23b are located closer to the center of the label than the central portion 23c.

The tampering confirmation part 23_4 shown in FIG. 15(d) was the V-shaped tampering confirmation part 23 shown in FIG. 10(d). The tamper-evident confirmation portion 23_4 had a bent shape at the central portion 23c as described with reference to FIG. 10(d). The length d5 between the first end 23a and the second end 23b was 10 mm. The angle θ2 was 120°. The tamper-evident confirmation portion 23_4 is arranged such that the first end portion 23a and the second end portion 23b are located closer to the center of the label than the central portion 23c.

The tampering confirmation part 23_5 shown in FIG. 15(e) is the tampering confirmation part 23_1 shown in FIG. 15(a) inclined with respect to the straight line VL1 as described using FIG. 10(b) corresponds to the case The angle θ1 formed between the straight line VL1 and the tampering confirmation portion 23_5 was 75°. The state of arrangement of the seven tamper-evident confirmation portions 23_5 with respect to the outlet corresponding area 25 was as shown in FIG.

The tamper-evident confirmation part 23_6 shown in FIG. 15(f) reverses the tamper-evident confirmation part 23_2 shown in FIG. 15(b) so that the first end 23a and the second end 23b are positioned outside the label. It was something that made me

The tamper-evident confirmation part 23_7 shown in FIG. 15(g) reverses the tamper-evident confirmation part 23_3 shown in FIG. 15(c) so that the first end 23a and the second end 23b are positioned outside the label. It was something that made me

The tamper-evident confirmation part 23_8 shown in FIG. 15(h) reverses the tamper-evident confirmation part 23_4 shown in FIG. 15(d) so that the first end 23a and the second end 23b are positioned outside the label. It was something that made me

In Experimental Example 1, the reclose label 20 formed with the tamper-evident confirmation portions 23_1 to 23_8 shown in FIGS. A lid body 4 was produced. In the cover 4 of Experimental Example 1, the distance L10 between the cut portion 13 and the side edge portion of the label body 22 was 10 mm, and the rear end portion of the cut portion 13 and the rear end portion of the reclose label 20 were 10 mm. was 10 mm.

Using the lid 4 thus produced, an opening test was carried out from a position other than the knob portion 21 . In the unsealing test, the effectiveness of each of the tampering confirmation unit 23D, the tampering confirmation unit 23A, the tampering confirmation unit 23E, the tampering confirmation unit 23C, the tampering confirmation unit 23F, the tampering confirmation unit 23B, and the tampering confirmation unit 23G is confirmed. In order to do so, from the opening parts corresponding to them, that is, the opening part X1, the opening part X2, the opening part X3, the opening part X4, the opening part X5, the opening part X6 and the opening part X7 indicated by the white arrows in FIG. The reclose label 20 was peeled off from the base film 10 toward the central portion 25a. In FIG. 17 as well, the area 25 corresponding to the outlet is indicated by a solid line.

The results of the opening test were evaluated based on whether or not the lid body 4 was opened in one of the following opening mode a and opening mode b.
[Opening mode a]
When the reclose label 20 is peeled off, at least one of the first end portion 23a and the second end portion 23b of the tamper-evident confirmation portion 23 is broken toward the outlet corresponding region 25, and the reclose label 20 has a resealing function. Lost.
[Opening mode b]
When the reclose label 20 is peeled off, the reclose label 20 does not break from the first end 23a and the second end 23b of the tamper-evident confirmation portion 23 toward the outlet corresponding region 25, and the reclose label 20 has a resealing function. maintained.

In Experimental Example 1, the reclose label 20 having the tamper-evident confirmation portion 23_1 was subjected to five opening tests from different opening portions. A similar opening test was also conducted on the reclose label 20 having each of the tamper-evident confirmation portions 23_2 to 23_8. A new lid 4 was prepared for each opening test. The test results were as shown in the charts shown in FIGS. 18 and 19. FIG.

In FIGS. 18 and 19, the column of "unauthorized tampering confirmation part" indicates the tampering confirmation part 23 used in the unsealing test. Specifically, it is as follows.
Linear type: tampering confirmation unit 23_1 shown in FIG. 15(a)
Arc type: tampering check part 23_2 shown in FIG. 15(b)
U-shaped: tamper-evident confirmation part 23_3 shown in FIG. 15(c)
V-shaped: tamper-evident confirmation part 23_4 shown in FIG. 15(d)
Inclined type: tamper-evident confirmation part 23_5 shown in FIG. 15(e)
Inverted arc type: Unauthorized tampering confirmation part 23_6 shown in FIG. 15(f)
Inverted U-shape: tamper-evident confirmation part 23_7 shown in FIG. 15(g)
Inverted V shape: tampering confirmation part 23_8 shown in FIG. 15(h)

In FIGS. 18 and 19, the column of "n" indicates the number of tests for the tamper-evident confirmation section indicated in the column of "unauthorized tamper-confirmation section". In Experimental Example 1, opening tests from 7 different opening sites were performed for each n. Therefore, the unsealing test was performed 35 (5×7) times on the tampering confirmation part shown in the column of "unauthorized tampering confirmation part".

"Probability of opening mode a" in FIGS. 18 and 19 indicates the probability of opening in the opening mode a in the 35 opening tests.

Unauthorized tampering confirmation part 23_6 shown in FIG. 15(f), inverted U-shaped tampering confirmation part 23_7 shown in FIG. 15(g), and inverted V-shaped tampering confirmation part shown in FIG. 15(h) In 23_8, both the first end 23a and the second end 23b were located outside the label with respect to the central portion 23c. In this case, as shown in FIG. 19, the probability of opening in the opening mode a was significantly below 80%.

15(a), the arc-shaped tamper-evident confirmation portion 23_2 shown in FIG. 15(b), and the U-shaped portion shown in FIG. 15(c). 15(d), the V-shaped tamper-evident confirmation portion 23_4 shown in FIG. 15(d), and the inclined tamper-evident confirmation portion 23_5 shown in FIG. Both of the two end portions 23b were not located outside the label from the center portion 23c. In this case, as shown in FIG. 18, the probability of opening in the opening mode a was 80% or more.

In the opening mode a, peeling of the reclose label 20 causes breakage from at least one of the first end portion 23a and the second end portion 23b of the tamper-evident confirmation portion 23 toward the outlet corresponding region 25, and the reclose label 20 is broken. lost its resealing function. Therefore, if the package is opened in the opening mode a, it can be confirmed that the package has been illegally opened. That is, it can be understood that the tamper-evident confirmation portion 23, in which both the first end portion 23a and the second end portion 23b are not located outside the label from the center portion 23c, is effective in confirming whether or not the label has been tampered with. .

The probability of opening mode a was 100% for arc-shaped, U-shaped, and V-shaped labels in which both the first end portion 23a and the second end portion 23b were located closer to the center of the label than the central portion 23c. Therefore, the arc-shaped, U-shaped, and V-shaped tamper-evident confirmation portions 23, in which both the first end portion 23a and the second end portion 23b are located closer to the center of the label than the center portion 23c, can prevent tampering. It can be understood that it is more effective for confirmation of the presence or absence.

(Second embodiment)
FIG. 20 is a plan view of the lid according to the second embodiment. A lid body 4A shown in FIG. 20 has a base film 10 and a reclose label 20A. The structure of the base film 10 is the same as in the case of the first embodiment, so the description is omitted.

The reclose label 20</b>A has a knob portion 21 and a label body 22 . The reclose label 20</b>A differs from the reclose label 20 in that the label body 22 has a perforated line (tamper-evident confirmation portion) 27 instead of the tamper-evident confirmation portion 23 . The configuration of the reclose label 20A is the same as that of the reclose label 20 except for this difference. Therefore, the reclose label 20A will be described with a focus on the differences. In FIG. 20, as in FIG. 7, the intermediate region 26 is indicated by hatching, and the outlet corresponding region 25 is indicated by solid lines.

The perforation line 27 is formed in a portion of the periphery of the outlet corresponding region 25 in the label body 22 except for the intermediate region 26 between the knob 21 and the outlet corresponding region 25 . In the second embodiment, as shown in FIG. 20, the perforated line 27 surrounds the area 25 corresponding to the outlet while opening the intermediate area 26 between the knob 21 and the area 25 corresponding to the outlet. explain.

As shown in FIG. 21, the perforation line 27 has a plurality of cut lines (or notch lines) 271 intermittently arranged. The cut line 271 may be a cut line that completely penetrates the reclose label 20A in the thickness direction, or may be a cut line that partially penetrates (half-cut). The cut line 271 is linear, for example. The cut line 271 can be formed by cutting, for example. A region between adjacent cut lines 271 is called a connecting portion 272 . An example of the length d6 of the cut line 271 is 4 mm or more and 25 mm or less. An example of the length d7 of the connecting portion 272 is 0.4 mm or more and 5 mm or less.

The reclose label 20A satisfies Condition I below.
(Condition I)
When the breaking strength of the perforated line 27 is α and the adhesive strength between the label body 22 and the base film 10 is β, α/β is 2 or less.

The breaking strength α and adhesive strength β can be the breaking strength and adhesive strength measured by a method conforming to JIS K 7161-1. An example of the method for measuring the breaking strength α and adhesive strength β will be described.

[Breaking strength]
A sample S shown in FIG. 22 is prepared for the measurement of the breaking strength α. The sample S is a sample obtained by laminating the label body 22 with the perforated lines 27 formed thereon to the base film 10 . Using the sample S, the breaking strength α of the sample S is measured by a method based on JIS K 7161-1. During the measurement, the label body 22 is peeled off from the base film 10 in the direction perpendicular to the perforation line 27, as indicated by the white arrow in FIG.
[Adhesive strength]
A sample similar to that for measuring the breaking strength α is prepared except that the perforation line 27 is not formed on the label body 22 . The adhesive strength β of the prepared sample is measured in the same manner as for the breaking strength α.

If the reclose label 20A has a perforation line 27 and satisfies the above condition I, and if an attempt is made to open the reclose label 20A from a location other than the knob portion 21, that is, if an attempt is made to illegally open the label, the location of the perforation line 27 However, the reclose label 20A breaks toward the outlet corresponding region 25, and as a result, as in the case of the first embodiment, the reclose label 20A loses its resealing function as well as the trace of the break remains. Therefore, it is possible to reliably confirm whether or not the package has been tampered with. Therefore, it is possible to deter unauthorized opening.

A specific description will be given with reference to FIGS. 23(a) and 23(b). FIGS. 23(a) and 23(b) are diagrams showing the results of peeling performed on a prototype lid 4A. FIG. 23(a) is a photographic view showing the vicinity of the perforation line 27 in the cover body 4A manufactured by bonding the reclose label 20A to the base film 10. FIG. FIG. 23(b) is a drawing showing a photograph of a state after the reclose label 20A shown in FIG. 23(a) has been peeled off from the base film 10 in the direction of the white arrow in FIG. 23(a). When the reclose label 20A is peeled from the vicinity of the perforation line 27 shown in FIG. 23(a), as shown in FIG. A rupture occurred toward , and it was in a state where resealing was impossible.

As shown in FIG. 20, in a form in which the perforated line 27 surrounds the area 25 corresponding to the outlet while the intermediate area 26 is open, unauthorized opening from around the area 25 corresponding to the outlet is further confirmed. easy. As a result, the effect of deterring unauthorized opening is increased. If the perforation line 27 is formed near the outlet corresponding region 25, the resealing function is likely to be lost due to breakage. As a result, unauthorized opening can be confirmed more reliably.

The intermediate region 26 is a portion that is peeled off when the package is opened normally starting from the knob portion 21 . Therefore, in the configuration in which the perforated line 27 is formed outside the intermediate region 26, it is possible to confirm whether or not the reclose label 20A is illegally opened, and when the reclose label 20A is peeled off by the regular opening method, the , breakage from the perforation line 27 can be prevented.

Next, Experimental Example 2 regarding the lid 4A will be described. In Experimental Example 2, for convenience of explanation, elements similar to those of the base film 10 and the reclose label 20A explained in the second embodiment are assigned the same reference numerals, and overlapping explanations are omitted.

In Experimental Example 2, the base film 10 and reclose label 20A shown in FIG. 24 were used.

The base film 10 used in Experimental Example 2 had the same structure as the base film 10 used in Experimental Example 1. The reclose label 20A used in Experimental Example 2 had the same configuration as the reclose label 20 used in Experimental Example 1, except that the perforated line 27 was used as the tamper evident portion. The cut line 271 of the perforated line 27 was a cut line that completely penetrated the label body 22 in the thickness direction. The perforation line 27 was formed by cutting.

In Experimental Example 2, the reclose label 20A was attached to the base film 10 in the same manner as in Experimental Example 1 to prepare the lid body 4A.

In Experimental Example 2, by varying the breaking strength α and maintaining the adhesive strength β constant, cover bodies 4A with different ratios (α/β) of the breaking strength α and the adhesive strength β were prepared.

Specifically, the adhesive strength between the tack film used for the reclose label 20A and the base film 10 was used as the adhesive strength β. Therefore, the adhesive strength β was constant and was 4.5 N/30 mm. On the other hand, the breaking strength α was changed by changing the length d6 of the cut line 271 while fixing the length d7 of the connecting portion 272 at the perforated line 27 to 1 mm. Lids 4A with different α/β were prepared by changing the breaking strength α in this manner.

The breaking strength α was determined by the method using the sample S described with reference to FIG. 23 . Sample S in Experimental Example 2 was obtained by laminating the label body 22 with the perforated lines 27 formed thereon to the base film 10 . The width of the sample S was 30 mm, and the perforation line 27 was formed along the width direction of the sample S throughout the width direction. The breaking strength of sample S was measured by a method based on JIS K 7161-1 using Autograph AG-1S manufactured by Shimadzu Corporation. In the measurement of breaking strength, the tensile speed was 300 mm/min and the peel angle was 90°.

For the adhesive strength β, the same sample as for the measurement of the breaking strength α was prepared, except that the label body 22 without the perforation 27 was used. The adhesive strength β of the prepared samples was measured in the same manner as the breaking strength α.

The length d6 of the cut line 271, the length d7 of the connecting portion 272, and the measured breaking strengths α and α/β employed in Experimental Example 2 are shown in the table of FIG.

In Experimental Example 2, the same opening test as in Experimental Example 1 was performed five times for each lid body 4A that satisfies α/β shown in FIG. Also in Experimental Example 2, a new lid body 4A was prepared for each opening test. In Experimental Example 2, similarly to Experimental Example 1, opening portion X1, opening portion X2, opening portion X3, opening portion X4, and opening portion X1, X2, X3, X4, and X4 indicated by outline arrows in FIG. The reclose label 20A was peeled from the base film 10 from the unsealing site X5, the unsealing site X6, and the unsealing site X7 toward the central portion 25a, and the unsealed state was evaluated. The method for evaluating the unsealed state was the same as in Experimental Example 1. A lid body 4A was prepared for the opening test for each of the opening sites X1 to X7. The results of the opening test were as shown in the chart shown in FIG.

The meaning of "n" in the chart shown in FIG. 25 is the same as in FIGS. 5 open tests are shown. In Experimental Example 2, opening tests from 7 different opening sites were performed for each n. Therefore, 35 (5×7) opening tests were performed for each α/β. The "probability of opening mode a" in the chart shown in FIG. 25 indicates the probability of opening in the opening mode a in the 35 opening tests.

As shown in FIG. 25, when α/β exceeds 2, the probability of opening in opening mode a is less than 80%. On the other hand, when α/β is 2 or less, the probability of opening in the opening mode a is 80% or more, more specifically 90% or more.

Therefore, it can be understood that the lid 4A having the perforated line 27 and satisfying the condition I that α/β is equal to or less than 2 can reliably confirm unauthorized opening, and as a result, can suppress unauthorized opening. can be

Also in the second embodiment, the arrangement state of the perforation lines 27 can be variously modified without departing from the gist of the present invention. In one embodiment, the perforations 27 may be formed laterally of the outlet corresponding area 25 and/or behind the outlet corresponding area 25 .

Although various embodiments of the present invention have been described above, the present invention is not limited to the above-exemplified embodiments, and includes the scope indicated by the claims and equivalents of the claims. are intended to include all changes that come within the meaning and scope of

The shape of the outlet formed in the base film is not limited to the illustrated shape. The shape of the incision portion (or the planned outlet portion) for forming the outlet is not limited to the illustrated shape. For example, the incision may be U-shaped without the fourth region 134 and the fifth region 135 in FIG. Alternatively, the cut portion may be a closed annular cut portion in which the rear ends of the first region 131 and the second region 132 are connected by a cut line. The incisions may be circular, elliptical, quadrangular (for example, rectangular, square, etc.), or polygonal other than quadrangular.

The planar view shape of the reclose label is also not limited to the illustrated shape.

The storage container to which the lid with the reclose label is joined is not limited to the tray-like container shown in FIG. The shape and the like of the base film and the reclose label are shapes corresponding to the shape of the storage container. The shape of the outlet is also not limited to the illustrated shape. In the description of the base film and the reclose label, the illustrated dimensions and the like are examples based on the above embodiment, as described above.

The package includes, for example, a container main body (for example, a packaging bag) formed with a notch (corresponding to the notch 13 in FIG. 4) for forming an outlet on one surface while containing the contents, and A package with a reclose label may also be used. The accommodation main body portion corresponds to, for example, the accommodation portion and the base film integrated in FIG. In this case, one surface of the housing body functions as a support member to which the reclose label is attached.

The tab may have a stickiness that is less than the stickiness of the label body. As long as the gripping portion is formed to have a stickiness lower than that of the label body (including a case where it does not have stickiness), the method of forming the gripping portion is not limited to the de-paste treatment.

Various embodiments and various modifications described above may be appropriately combined without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1... Package, 2... Contents, 3... Storage container, 4, 4A... Lid body, 10... Base film (supporting member), 11... Outlet, 13... Notch, 14... Planned outlet part, 20 , 20A... Reclose label, 21... Pick part, 23, 23_1, 23_2, 23_3, 23_4, 23_5, 23_6, 23_7, 23_8... Unauthorized opening confirmation part, 23A... Unauthorized opening confirmation part (first unauthorized opening confirmation part), 23B... tamper-evident confirmation part (second tamper-evident confirmation part), 23C... tamper-evident confirmation part (third tamper-evident confirmation part). 23C, 23D, 23E, 23F, 23G... tampering confirmation part, 23a... first end part, 23b... second end part, 23c... central part, 25... outlet corresponding area, 26... intermediate area, 27... perforation line , D1 . . . opening direction.

Claims (16)

A reclosable label attached to a support member having an outlet for taking out a stored item, and capable of opening and resealing the outlet,
A picking part that serves as a starting point for opening,
a label body adjacent to the knob in the unsealing direction;
with
The label body is formed with at least one tamper-evident confirmation portion for confirming tamper-evident tampering other than tampering from the knob portion.
Reclose label. The tamper-evident part is a cut line having a first end and a second end opposite to the first end,
At least one of the first end and the second end of the cut line is not positioned outside the label body from the central portion of the cut line,
The reclose label according to claim 1. a support member having a notch defining a pre-determined take-out port portion to serve as a take-out port for taking out a contained object;
a reclose label attached to the support member;
with
The reclose label is
A picking part that serves as a starting point for opening,
a label body adjacent to the knob in the unsealing direction;
has
The reclose label is attached to the support member so that the label body covers the notch,
The label body is formed with at least one tamper-evident confirmation portion for confirming tamper-evident tampering other than tampering from the knob portion.
lid. The tamper-evident part is a cut line having a first end and a second end opposite to the first end,
At least one of the first end and the second end of the cut line is not positioned outside the label body from the central portion of the cut line,
The lid according to claim 3. The tamper-evident confirmation portion is formed outside an intermediate region between the pick portion and an ejection port corresponding region corresponding to the ejection port in the label body.
The lid according to claim 3 or 4. The at least one tamper-evident confirmation unit has a first tamper-evident confirmation unit, a second tamper-evident confirmation unit, and a third tamper-evident confirmation unit,
The first tamper-evident confirmation part is located on the side opposite to the knob part when viewed from the outlet corresponding area,
The second tamper-evident confirmation unit is located on the side of the area corresponding to the outlet,
The third tamper-evident confirmation part is located on the side of the outlet corresponding area and on the side opposite to the second tamper-evident confirmation part when viewed from the outlet corresponding area.
The lid according to claim 5. The at least one tamper-evident confirmation part is provided in a part of the periphery of the outlet corresponding area in the label body other than an intermediate area between the outlet corresponding area corresponding to the outlet and the knob. is a perforated line,
where α is the breaking strength of the perforation line and β is the adhesive strength between the label body and the support member, α/β is 2 or less.
The lid according to claim 3. The perforation line surrounds the area corresponding to the outlet while the intermediate area is open.
The lid according to claim 7. A package comprising the reclose label according to claim 1 or 2. A package comprising the lid according to any one of claims 3 to 8. a housing main body for taking out a stored object, the containing main body having a notched portion defining a pre-determined take-out port portion to serve as a take-out port for taking out the stored object, formed on one surface thereof;
a reclose label attached to the accommodation main body;
with
The reclose label is
A picking part that serves as a starting point for opening,
a label body adjacent to the knob in the unsealing direction;
has
The reclose label is attached to the containing main body so that the label body covers the notch, and
The label body is formed with at least one tamper-evident confirmation portion for confirming tamper-evident tampering other than tampering from the knob portion.
package. The tamper-evident part is a cut line having a first end and a second end opposite to the first end,
At least one of the first end and the second end of the cut line is not positioned outside the label body from the central portion of the cut line,
The package according to claim 11. The tamper-evident confirmation portion is formed outside an intermediate region between the pick portion and an ejection port corresponding region corresponding to the ejection port in the label body.
The package according to claim 11 or 12. The at least one tamper-evident confirmation unit has a first tamper-evident confirmation unit, a second tamper-evident confirmation unit, and a third tamper-evident confirmation unit,
The first tamper-evident confirmation part is located on the side opposite to the knob part when viewed from the outlet corresponding area,
The second tamper-evident confirmation unit is located on the side of the area corresponding to the outlet,
The third tamper-evident confirmation part is located on the side of the outlet corresponding area and on the side opposite to the second tamper-evident confirmation part when viewed from the outlet corresponding area.
The package according to claim 13. The at least one tamper-evident confirmation part is provided in a part of the periphery of the outlet corresponding area in the label body other than an intermediate area between the outlet corresponding area corresponding to the outlet and the knob. is a perforated line,
where α is the breaking strength of the perforation line and β is the adhesive strength between the label body and the one surface, α/β is 2 or less,
The package according to claim 11. The perforation line surrounds the area corresponding to the outlet while the intermediate area is open.
The package according to claim 15.

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