WO2015125970A1 - Breathable label - Google Patents

Abstract

　A breathable label configured to be affixable to an adherend so as to close off a through-hole formed in the adherend to form a demarcated interior space, said label enabling air to pass between the interior space and an exterior space adjacent to the interior space interposed by the adherend, wherein the label is provided with a self-sticking layer formed using a self-sticking material, and provided with a linear penetration part formed in a linear shape in the plane direction in the area provided with the self-sticking layer, the linear penetration part penetrating the area.

Description

Ventilation label Cross-reference of related applications

This application claims the priority of Japanese Patent Application No. 2014-33043, and is incorporated herein by reference.

The present invention is a label configured to be able to be attached to an adherend forming a delimited (in other words, closed) internal space, the external space adjacent to the internal space via the adherend and the internal The present invention relates to a ventilation label that enables gas to flow between spaces.

Conventionally, for example, in a packaging body in which an article is accommodated in an internal space defined (in other words, closed) by a soft packaging material, the space (internal space) inside the packaging body depends on the nature of the accommodated article. There may be a pressure difference between the outer space and the outer space (external space). For example, when an article such as coffee beans or miso is accommodated, carbon dioxide gas is generated in the internal space due to the influence of fermentation of the article. For this reason, the atmospheric pressure in the internal space may be higher than in the external space. In addition, when a heated article such as roasted coffee beans is accommodated, the temperature of the internal space also decreases as the temperature of the article decreases. For this reason, the atmospheric pressure in the internal space may be lower than in the external space.

As described above, when a pressure difference occurs between the internal space and the external space, the packaging body expands and ruptures, or the packaging body wrinkles and wrinkles and irregularities occur in the soft packaging material, resulting in poor design. Sometimes. For this reason, as a method of eliminating the pressure difference generated between the internal space and the external space, a label having air permeability so as to cover the through hole is formed by forming a through hole in the soft packaging material constituting the package. A method of pasting has been proposed.

As such a label, for example, a label in which a slit is formed in a flexible film piece is known (see Patent Document 1). When such a label is attached to a soft packaging material so as to cover the through-hole formed in the soft packaging material, the through-hole and the slit are separated from each other by preventing the through-hole and the slit from overlapping each other. It becomes a state. As a result, it is possible to prevent foreign substances from entering the internal space from the external space, and to discharge the gas in the internal space from the slit to the external space.

Other labels are known in which a gas flow path is formed between a sheet-like base film provided with air holes and a valve film laminated on the base film ( Patent Document 2). In such a label, silicon oil is filled in a region serving as a flow path between the base film and the valve film. And, such a label is affixed to the soft packaging material so that the vent hole of the base film overlaps the through hole of the soft packaging material, so that the gas in the internal space enters the silicon oil through the through hole and the vent hole, Such gas moves in the silicon oil and reaches the edge of the label, so that the gas in the internal space can be discharged to the external space.

However, in the label disclosed in Patent Document 1, although the slit is disposed at a position separated from the through hole of the soft packaging material, the slit and the through hole are likely to be in communication with each other, and the external space to the internal space It is not possible to prevent foreign matters from being mixed effectively. Further, the label disclosed in Patent Document 2 has a gas flow path filled with silicon oil, so that it is difficult for foreign matter to enter from the external space to the internal space through the flow path, and has excellent sealing properties. However, since the silicone oil tends to flow out of the label, not only cannot the sealing of the internal space be maintained for a long period of time, but also the articles in which the leaked silicone oil has entered the internal space and are contained in the internal space. There is a risk of contamination.

Japanese National Kaihei 6-57861 Japanese Unexamined Patent Publication No. 2006-298467

Therefore, the present invention can maintain a good sealed state of the internal space formed by the adherend, and can prevent foreign matter from entering the internal space formed by the adherend. It is an issue to provide.

The ventilation label according to the present invention is configured to be attached to an adherend so as to close a through-hole formed in the adherend forming a defined internal space, and is attached to the internal space and the internal space. A ventilation label that allows gas to flow between adjacent external spaces through a body, and includes a self-adsorption layer formed using a self-adsorbing material and the self-adsorption layer. A linear penetrating portion that is formed linearly in the surface direction in the region and penetrates the region is provided.

In addition, an adhesive region that is configured in an annular shape and attached to the adherend is provided, and a low peel region having a lower peel strength with respect to the adherend than the adhesive region is provided inside the adhesive region, or the adherend It is preferable that the non-sticking area | region which does not stick with respect to is provided, and the said linear penetration part is formed in a low peeling area | region or a non-sticking area | region.

It is preferable that a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive is further provided, and the linear through portion is formed in a region not including the pressure-sensitive adhesive layer.

The perspective view and partial enlarged view which show the state by which the ventilation label which concerns on 1st embodiment was affixed on the package. Sectional drawing which showed the ventilation | gas_flowing label in the II cross section of Fig.1 (a). FIG. 2 is a cross-sectional view showing a cross section taken along the line II in FIG. 1A, showing a state in which the linear through portion is sealed. FIG. 2 is a cross-sectional view showing a cross section taken along the line II of FIG. 1 (a), showing a state in which the linear through portion is open to the external space side. FIG. 2 is a cross-sectional view showing a cross section taken along the line II in FIG. 1A, showing a state in which the linear through portion is open to the internal space side. FIG. 2 is a cross-sectional view showing a cross section taken along the line II in FIG. 1 (a), in which a linear penetration portion is again sealed. Sectional drawing of the ventilation | gas_flowing label which concerns on 2nd embodiment. Sectional drawing which shows the state by which the ventilation | gas_flowing label which concerns on 3rd embodiment was affixed on the to-be-adhered body.

<First embodiment>
A first embodiment of the present invention will be described below with reference to FIGS. 1 (a) to 3 (b). In the following drawings, the same or corresponding parts are denoted by the same reference numerals, and description thereof will not be repeated.

As shown in FIG. 1A, the air-permeable label 1 according to the present embodiment is configured using a soft packaging material and is defined (in other words, closed) (in other words, partitioned). It is affixed to the adherend A that forms a space. In the present embodiment, as the adherend A, a package A in which an article is packaged using a soft packaging material is used. The package A includes a through hole A1 that communicates with the internal space, and a ventilation label 1 (specifically, a low peeling region 3 described later) is attached so as to cover the through hole A1. The ventilation label 1 has a predetermined range in which the difference between the atmospheric pressure of the internal space (hereinafter also referred to as internal pressure) and the atmospheric pressure of the external space adjacent to the internal space via the package A (hereinafter also referred to as external pressure). When exceeding, it is comprised so that gas may be ventilated between internal space and external space.

The ventilation label 1 includes a sticking area 2 to be attached to the package A and a low peeling area 3 having a lower peel strength with respect to the adherend than the sticking area 2. The affixing region 2 is formed in an annular shape (specifically, a continuous annular shape) along the outer periphery of the ventilation label 1 and is formed at the peripheral end of the ventilation label 1. On the other hand, the low peeling region 3 is formed inside the annular pasting region 2. And since the ventilation label 1 is affixed on the package A so that the low peeling area 3 covers the through-hole A1, the low peeling area 3 seals the through-hole A1, and the sticking area 2 prevents the low-peeling area 3 from covering the package A. The affixed state of the ventilation label 1 is maintained. The ventilation label 1 further includes a linear through portion 1a that is formed in a line shape in the surface direction in the low peeling region 3 and penetrates the region. In this embodiment, the linear penetration part 1a is formed by cutting the ventilation label 1 into a cross shape.

The air-permeable label 1 as described above is formed using a deformable main body layer 4, an adhesive layer 5 formed using an adhesive, and a self-adsorbing material, as shown in FIG. The self-adsorption layer 6 is provided. In the present embodiment, the self-adsorption layer 6 is formed so that the peel strength with respect to the package A is lower than that of the adhesive layer 5 and the area is narrower than that of the adhesive layer 5. And each layer is laminated | stacked so that the adhesion layer 5 may be located between the main body layer 4 and the self-adsorption layer 6, and the ventilation label 1 is comprised. Thereby, the low peeling area 3 was formed by the area where the main body layer 4, the adhesive layer 5, and the self-adsorption layer 6 were laminated, and the main body layer 4 and the adhesive layer 5 were laminated around the low peeling area 3. The pasting area 2 is formed by the area.

The main body layer 4 is formed using a deformable resin film. For example, it is possible to use a resin film having the same flexibility as the soft packaging material constituting the package A. The material constituting the main body layer 4 and the thickness of the main body layer 4 are not particularly limited, and may be appropriately selected according to the difference between the internal pressure and the external pressure when the linear through-hole 1a described later is opened. preferable. Specifically, examples of the material constituting the resin film include polyethylene terephthalate and polypropylene. The thickness of the resin film may be, for example, 12 μm or more and 200 μm or less, or 16 μm or more and 75 μm or less.

The adhesive layer 5 is formed by applying an adhesive to one surface of the main body layer 4. Then, by laminating the self-adsorption layer 6 on one surface of the adhesive layer 5, the adhesive layer 5 is exposed to the area covered by the self-adsorption layer 6 and the adhesive layer 5 other than the area. A region is formed. As a result, the low-peeling region 3 is formed on the ventilation label 1 by the region where the self-adsorption layer 6 and the adhesive layer 5 are laminated (in other words, the region where the adhesive layer 5 is covered with the self-adsorption layer 6). The pasting region 2 is formed by a region of the adhesive layer 5 where the self-adsorption layer 6 is not laminated (in other words, a region where the adhesive layer 5 is exposed).

It does not specifically limit as the raw material which comprises the adhesion layer 5, or the thickness of the adhesion layer 5, It can select suitably according to the difference of the internal pressure at the time of opening the linear penetration part 1a mentioned later and an external pressure. preferable. The pressure-sensitive adhesive constituting the pressure-sensitive adhesive layer 5 is not particularly limited as long as the peel strength of the pressure-sensitive adhesive layer 5 with respect to the package A is higher than that of the self-adsorption layer 6. For example, butyl acrylate homopolymer or copolymer, Examples include those composed of 2-ethylhexyl acrylate homopolymer or copolymer, natural rubber and the like. The thickness of the adhesive layer 5 is not particularly limited, and may be, for example, 10 μm or more and 50 μm or less, or 15 μm or more and 25 μm or less. The peel strength of the adhesive layer 5 with respect to the package A (that is, the peel strength of the pasting region 2) is not particularly limited, and may be, for example, 200 N / m or more and 1200 N / m or less, and 400 N / m. It may be 800 N / m or less.

The self-adsorption layer 6 is formed so as to have a smaller area than the adhesive layer 5, and is disposed in a region inside the outer periphery of the adhesive layer 5 (specifically, a substantially central portion). The thickness of the self-adsorption layer 6 is not particularly limited. For example, the self-adsorption layer may be printed by a method of printing (preferably flexographic printing) a paint containing a resin having self-adsorption properties on the adhesive layer 5. When 6 is formed, it may be 1 μm or more and 20 μm or less, may be 2 μm or more and 10 μm or less, and may be around 6 μm. Or when forming the self-adsorption layer 6 by the method of dripping the resin which has self-adsorption to the adhesion layer 5, 5 micrometers or more and 10 micrometers or less may be sufficient, and 7 micrometers or more and 9 micrometers or less may be sufficient. The resin constituting the self-adsorbing layer 6 is not particularly limited, and examples thereof include silicone (meth) acrylate polymers and long-chain alkyl acrylate polymers. The peel strength of the self-adsorbing layer 6 with respect to the soft packaging material (that is, the peel strength of the low peel region 3) is not particularly limited.

Further, the air-permeable label 1 includes a linear penetrating portion 1a that is linearly formed in a plane direction in a region including the self-adsorption layer 6 (specifically, the low peeling region 3) and penetrates the region. That is, the linear penetration part 1a is formed by partially cutting the main body layer 4, the adhesive layer 5, and the self-adsorption layer 6 at corresponding positions in the thickness direction. And in the linear penetration part 1a, the edge parts (henceforth ventilation label opposite edge part) 1b and 1b which comprise the linear penetration part 1a in the ventilation | gas_flowing label 1 will be in the state which contact | abutted.

Specifically, in a state where the air-flowing label opposite end portions 1b and 1b are in contact with each other, the opposite end portions (hereinafter also referred to as main body layer opposite end portions) 4a and 4a of the main body layer 4 and the adhesive layer 5 The opposite ends (hereinafter also referred to as adhesive layer opposite ends) 5a, 5a and the opposite ends (hereinafter also referred to as self-adsorbing layer opposite ends) 6a, 6a of the self-adsorbing layer 6 correspond to each other. It will be in contact. In such a state, the adhesive layer opposite end portions 5a, 5a are in a state of being adhered by their own adhesive force, and the self adsorbing layer opposite end portions 6a, 6a are in an adsorbed state by their own attractive force.

Then, when a predetermined force (specifically, atmospheric pressure) is applied toward the one side or the other side of the ventilation label 1 with respect to the ventilation label opposite ends 1b, 1b, The end portions 1b, 1b are configured to be displaceable (elastically deformable) to one surface side or the other surface side of the ventilation label 1. Then, the ventilation label opposite end portions 1b, 1b are displaced (elastically deformed) to one surface side or the other surface side of the ventilation label 1, whereby a gap is formed between the ventilation label opposite end portions 1b, 1b. Configured to be

Next, a method for using the ventilation label 1 configured as described above will be described. As shown in FIG. 2A, the ventilation label 1 is affixed to the package A so that the linear through portion 1a overlaps the through hole A1. At this time, the low peeling region 3 is in close contact with the peripheral region of the through hole A1 in the soft packaging material (specifically, the self-adsorption layer 6 constituting the low peeling region 3 is adsorbed on the peripheral region of the through hole A1). It becomes. On the other hand, the sticking region 2 (specifically, the adhesive layer 5) is in a state of sticking to an annular region at a position away from the through hole A1 in the package A.

And the difference between the atmospheric pressure (internal pressure) of the internal space R1 and the atmospheric pressure (external pressure) of the external space R2 adjacent to the internal space R1 through the packaging body A with the ventilation label 1 attached to the packaging body A Is within the predetermined range, the state in which the through-hole A1 is sealed with the ventilation label 1 is maintained. Specifically, when the difference between the internal pressure and the external pressure is within a predetermined range, the ventilation label opposite end portions 1b, 1b constituting the linear penetration portion 1a are in contact with each other. In such a state, the self-adsorbing layer opposite end portions 6a, 6a are adsorbed and adhered to each other by their own adsorbing force, and the linear penetrating portion 1a is sealed. Thereby, the state in which the through hole A1 is sealed by the ventilation label 1 (specifically, the self-adsorption layer 6) is maintained.

When the difference between the internal pressure and the external pressure exceeds a predetermined range, the ventilation label 1 attached to the package A as described above allows gas to flow between the internal space R1 and the external space R2. To do. Specifically, when the internal pressure is higher than the external pressure and the difference between the internal pressure and the external pressure exceeds a predetermined range, as shown in FIG. 2 (b), a ventilation label constituting the linear penetrating portion 1a. Internal pressure is applied to the opposite end portions 1b, 1b, and the ventilation label opposite end portions 1b, 1b are displaced (elastically deformed) toward the outer space R2 side to be separated. Thereby, between ventilation | gas_flowing label opposite edge part 1b, 1b (Between main body layer opposite edge part 4a, 4a, adhesive layer opposite edge part 5a, 5a, between each self-adsorption layer opposite edge part 6a, 6a) A gap is formed in the inner space R1, and the gas in the inner space R1 is discharged to the outer space R2 through the gap.

Contrary to the above, when the external pressure becomes higher than the internal pressure and the difference between the internal pressure and the external pressure exceeds a predetermined range, as shown in FIG. External pressure is applied to the label opposite end portions 1b, 1b, and the ventilation label opposite end portions 1b, 1b are displaced (elastically deformed) toward the inner space R1 and separated. Thereby, a clearance gap is formed between ventilation | gas_flowing label pair edge part 1b, 1b, and the gas of external space R2 flows in into internal space R1 through such clearance gap.

Then, as described above, the difference between the internal pressure and the external pressure falls within a predetermined range due to the discharge of gas from the internal space R1 to the external space R2 and the inflow of gas from the external space R2 to the internal space R1. As shown in FIG. 3 (b), it is displaced (returned) to a position where the separated air-permeable label pair end portions 1b, 1b are in contact with each other. Thereby, the clearance gap formed between ventilation | gas_flowing label pair edge parts 1b and 1b is obstruct | occluded. At this time, the self-adsorbing layer opposite end portions 6a, 6a are brought into close contact with each other by their own adsorbing force, so that the through hole A1 is maintained again in a sealed state.

As described above, the air-permeable label 1 is attached to the adherend A so as to cover the through hole A1 of the adherend A, so that the sealed state of the internal space R1 can be maintained and the internal pressure is higher than the external pressure. Even when the external pressure is higher than the internal pressure, the gas can flow between the internal space R1 and the external space R2, and the air pressure between the internal space R1 and the external space R2 The difference can be eliminated. Further, it is possible to prevent foreign matter from entering the internal space R1.

That is, the inner space formed by the adherend A is obtained by attaching the vent label 1 to the adherend A so that the linear through portion 1a of the vent label 1 overlaps the through hole A1 of the adherend A. Gas can flow between R1 and the external space R2, and the sealed state of the internal space R1 can be well maintained.

Specifically, in the linear penetration part 1a, the self-adsorption layer opposite end parts 6a, 6a constituting the linear penetration part 1a are in contact with each other. At this time, the self-adsorption layer opposite end portions 6a and 6a are adsorbed to each other, so that the linear penetration portion 1a is sealed. Thereby, the sealed state of the internal space R1 is maintained.

When the internal pressure becomes higher than the external pressure, the adsorbed self-adsorptive layer opposite end portions 6a, 6a are displaced (elastically deformed) toward the external space R2 by the action of the internal pressure, and are partially or entirely separated. It will be in the state. Thereby, a gap is formed between the self-adsorbing layer pair end portions 6a, 6a, and the gas in the internal space R1 is discharged from the gap to the external space R2. On the contrary, when the external pressure becomes higher than the internal pressure, the adsorbed self-adsorption layer opposite end portions 6a, 6a are displaced (elastically deformed) toward the internal space R1 due to the action of the external pressure, and partially or entirely. It will be in a separated state. Thereby, a gap is formed between the self-adsorbing layer pair end portions 6a, 6a, and the gas in the external space R2 flows into the internal space R1 from the gap.

As described above, gas can flow between the internal space R1 and the external space R2 through the gap formed between the self-adsorption layer opposite end portions 6a, 6a, so that the internal pressure and the external pressure can be reduced. The difference can be adjusted. In a state where the difference between the internal pressure and the external pressure is adjusted, the self-adsorbing layer opposite end portions 6a, 6a are adsorbed and the gap disappears, so that the linear penetration portion 1a is sealed. Thereby, the sealed state of the internal space R1 can be maintained again, and the entry of foreign matter from the external space R2 can be prevented.

In addition, since the low peeling area 3 is formed inside the annular sticking area 2, the air-permeable label 1 is attached to the adherend A between the low peel area 3 and the adherend A. Further, it is possible to prevent gas from flowing in from the periphery of the low peeling region 3 and foreign matter from entering from the external space R2. For this reason, the sealing state of internal space R1 can be maintained favorably. Moreover, since the edge part of the ventilation | gas_flowing label 1 which comprises the linear penetration part 1a becomes easy to peel from the to-be-adhered body A by forming the linear penetration part 1a in the low peeling area | region 3, a self-adsorption layer opposite edge part Inhibiting the displacement of 6a, 6a (specifically, elastic deformation until a gap is formed partially or entirely away from the state in which the self-adsorbing layer opposite end portions 6a, 6a are adsorbed to each other) Absent. For this reason, the gas can be circulated more quickly between the internal space R1 and the external space R2.

Moreover, the linear penetration part 1a is formed in the area | region where the self-adsorption layer 6 and the adhesion layer 5 were laminated | stacked, and the adhesion layer opposite edge parts 5a and 5a which comprise the linear penetration part 1a contact | abutted It becomes a state. At this time, since the adhesive layer opposite end portions 5a and 5a are in a state of being adhered by their own adhesive force, the displacement (specifically, self-adhesive layer opposite end portions 6a and 6a by the adhesive force) Elastic deformation until the gap is formed partially or entirely away from the state where the adsorbing layer opposite end portions 6a, 6a are adsorbed is limited. Thereby, it is possible to prevent a gap from being formed unintentionally between the self-adsorbing layer opposite end portions 6a, 6a.

<Second embodiment>
Next, a second embodiment of the present invention will be described with reference to FIG. The ventilation label 10 according to the second embodiment is mainly different from the ventilation label 1 according to the first embodiment in the configuration of the linear penetrating portion 10a. Accordingly, the configuration of the adhesive layer 50 is also partially different. Therefore, below, it demonstrates centering on a different point from 1st embodiment, and abbreviate | omits description by attaching | subjecting the same code | symbol to the same structure.

The ventilation label 10 includes a linear through portion 10a in a region where the adhesive layer 50 is not laminated. Specifically, in the ventilation label 10, an adhesive layer 50 formed in an annular shape along the outer periphery of the main body layer 4 is laminated on the outer peripheral portion of the main body layer 4. On the other hand, the self-adsorbing layer 6 is laminated in a region (specifically, a region inside the annular adhesive layer 50) in the main body layer 4 where the adhesive layer 50 is not laminated. That is, the adhesive layer 50 is formed so as to surround the self-adsorption layer 6 and to be in contact with the peripheral end portion of the self-adsorption layer 6. And the linear penetration part 10a is formed in the area | region (namely, area | region where the adhesion layer 50 is not laminated | stacked) where the main body layer 4 and the self-adsorption layer 6 were laminated | stacked.

Thereby, the linear penetration part 10a is formed in the area | region which is not equipped with the adhesion layer 50, and the displacement (specifically, self-adsorption layer opposite edge part 6a, 6a is self-adsorption layer opposite edge part 6a, 6a) It is possible to prevent the adhesive layer 50 from inhibiting the elastic deformation until the gap is formed partially or entirely apart from the state where the material is adsorbed.

Specifically, when the linear penetration part 10a is formed in the region where the self-adsorption layer 6 and the adhesive layer 50 are laminated, the opposite ends (hereinafter referred to as the adhesive layer 50) constituting the linear penetration part 10a 5a, 5a are in contact with each other. At this time, since the adhesive layer opposite end portions 5a and 5a are in a state of being adhered by their own adhesive force, the displacement (specifically, self-adhesive layer opposite end portions 6a and 6a by the adhesive force) Elastic deformation until the gap is formed partially or entirely away from the state where the adsorbing layer opposite end portions 6a, 6a are adsorbed is limited.

However, since the linear penetrating portion 10a is formed in a region that does not include the adhesive layer 50, the adhesive layer opposite end portions 5a, 5a are not formed. Therefore, the displacement of the self adsorbing layer opposite end portions 6a, 6a (specifically, Prevents the self-adsorptive layer opposite end portions 6a and 6a from being adsorbed by the adhesive force of the adhesive layer 50 from elastic deformation until the gap is formed partially or entirely apart from each other. can do.

In other words, in the linear penetration portion 10a, the main body layer opposite end portions 4a, 4a are in contact with each other, and the self-adsorbing layer opposite end portions 6a, 6a are in contact with each other. On the other hand, the adhesive layer 50 is not formed with end portions that confront each other so as to constitute the linear through portion 10a (that is, the air-permeable label 10 is formed with the adhesive layer opposite end portions 5a and 5a as in the first embodiment. Not) For this reason, the linear penetration part 10a will be in the state sealed only by the force which the self-adsorption layer opposing edge part 6a, 6a adsorb | sucks. Thus, as in the first embodiment, it is easier (specifically, the internal pressure and the internal pressure) than when the opening and closing of the linear penetration portion 1a is controlled by the adhesive force between the adhesive layer opposite end portions 5a and 5a. The linear through-hole 10a can be opened (even if the difference from the external pressure is low).

<Third embodiment>
Next, a third embodiment of the present invention will be described with reference to FIG. The ventilation label 11 according to the third embodiment is mainly different from the ventilation label 1 according to the first embodiment in the configuration of the linear through-hole 11a. Accordingly, the structures of the adhesive layer 51 and the self-adsorption layer 6 are also partially different. Therefore, below, it demonstrates centering on a different point from 1st embodiment, and abbreviate | omits description by attaching | subjecting the same code | symbol to the same structure.

In the ventilation label 11, an adhesive layer 51 formed in an annular shape along the outer periphery of the main body layer 4 is laminated on the outer peripheral portion of the main body layer 4. On the other hand, the self-adsorbing layer 6 is laminated in a region of the main body layer 4 where the adhesive layer 51 is not laminated (specifically, a region inside the annular adhesive layer 50). That is, the adhesive layer 50 is formed so as to surround the self-adsorption layer 6.

The air-permeable label 11 includes a non-adhesion layer 7 that does not adhere to the adherend A, and a self-adsorption layer 6 is formed between the non-adhesion layer 7 and the main body layer 4. In this embodiment, the non-sticking layer 7 is laminated | stacked on the self-adsorption layer 6 so that the self-adsorption layer 6 may be covered. Further, the non-sticking layer 7 is configured to come into contact with the adherend A when the ventilation label 11 is attached to the adherend A. And in the ventilation label 11, the linear penetration part 11a is provided in the area | region where the adhesion layer 51 is not laminated | stacked (specifically area | region where the main body layer 4, the self-adsorption layer 6, and the non-sticking layer 7 were laminated | stacked). Prepare. The non-sticking layer 7 may be configured by laminating sheet materials that do not have adhesiveness and adsorptivity, or may be configured by printing a resin that does not have adhesiveness and adsorptivity.

In such a linear penetrating portion 11a, the opposing end portions 7a, 7a of the non-sticking layer 7 constituting the linear penetrating portion 11a, the main body layer opposite end portions 4a, 4a, and the self-adsorbing layer opposite end portions 6a, 6a. They are in contact with each other. On the other hand, the adhesive layer 51 is not formed with end portions that confront each other so as to constitute the linear penetration portion 11a (that is, the air-permeable label 11 is formed with the adhesive layer opposite end portions 5a and 5a as in the first embodiment. Not) For this reason, the linear penetration part 11a will be in the state sealed only by the adsorption | suction force of self-adsorption layer opposing edge part 6a, 6a. This makes it easier (specifically, the internal pressure and the external pressure) than the case where the opening and closing of the linear penetration portion 1a is controlled by the adhesive force between the adhesive layer opposite end portions 5a and 5a as in the first embodiment. The linear through-hole 11a can be opened (even if the difference between the linear penetration portion 11a is low).

Further, the ventilation label 11 includes a non-sticking area 8 that does not stick to the adherend A inside the annular sticking area 2. Specifically, the ventilation label 11 includes a space (hereinafter also referred to as a label internal space) 11R between the self-adsorption layer 6 and the non-adhesive layer 7 and the adhesive layer 51, and the region including the label internal space 11R. And the non-sticking area | region 8 is comprised by the area | region provided with the non-sticking layer 7. FIG.

Such a ventilation label 11 is attached to the adherend A so that the region including the label inner space 11R overlaps the through hole A1 of the adherend A (that is, the label inner space 11R communicates with the through hole A1). Attached. At this time, the non-sticking layer 7 is in contact with a position separated from the through hole A1 in the adherend A, and the linear through portion 11a is disposed at a position separated from the through hole A1 in the adherend A. The In such a state, the gas in the internal space R1 is discharged from the through-hole A1, so that the gas flows into the label inner space 11R and the pressure in the label inner space 11R increases. Then, the air-permeable label 11 and / or the adherend A are deformed by the increase in the atmospheric pressure in the label internal space 11R, so that the non-adhesive layer 7 is separated from the adherend A, and the non-adhesive layer 7 and the adherend are separated. A gap is formed with A. Thereby, the gas which flowed into such a clearance is discharged to the external space R2 through the linear penetration part 11a. That is, even if the ventilation label 11 is attached to the adherend A so that the region where the linear penetration portion 11a of the ventilation label 11 is formed contacts the adherend A, the linear penetration portion Gas can be easily discharged through 11a.

In addition, the ventilation | gas_flowing label which concerns on this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the summary of this invention. Further, the configurations and methods of the plurality of embodiments described above may be arbitrarily adopted and combined (even if the configurations and methods according to one embodiment are applied to the configurations and methods according to other embodiments). Of course, it is of course possible to arbitrarily select configurations, methods, and the like according to various modifications described below and employ them in the configurations, methods, and the like according to the above-described embodiments.

For example, in 1st embodiment and 2nd embodiment, although the ventilation | gas_flowing labels 1 and 10 are equipped with the low peeling area | region 3, it is not limited to this, It replaces with the low peeling area | region 3, and is the to-be-adhered body A. You may comprise so that the area | region (henceforth a non-sticking area | region) which may not stick with respect to (package A) may be provided. For example, a non-adhesion layer that does not adhere to the adherend A (packaging body A) is laminated on the self-adsorption layer 6 of the first embodiment and the second embodiment, and the self-adsorption layer 6 and the non-adhesion layer are formed. The linear through portions 1a and 10a may be formed in the stacked region. Thereby, since the ventilation label pair edge part 1b, 1b does not stick to the to-be-adhered body A, the displacement of the ventilation label pair edge part 1b, 1b is not inhibited. Thereby, the linear penetration parts 1a and 10a can be opened more easily (specifically, even in the state where the difference between the internal pressure and the external pressure is low) than when the low peeling region 3 is provided. The non-sticking layer may be configured by laminating sheet materials that do not have adhesiveness and adsorptivity, or may be configured by printing a resin that does not have adhesiveness and adsorptivity.

Further, in the low peeling region 3 of the first embodiment and the second embodiment, and the region including the non-sticking layer 7 of the third embodiment, the ventilation labels 1, 10, and 11 are attached to the adherend A. Although it is configured to contact the adherend A in a state, the present invention is not limited to this, and by adjusting the thickness of the adhesive layers 5, 50, 51, the first embodiment and the second embodiment are configured. The low peeling area 3 of the form and the area including the non-sticking layer 7 of the third embodiment may be held in a state of being separated from the adherend A.

Moreover, in the said embodiment, although only the ventilation | gas_flowing label opposing edge part 1b, 1b is comprised so that it may displace (elastically deform), it is not limited to this, For example, ventilation | gas-flowing label opposing edge part 1b, 1b When affixed to the adherend A, the adherend A may be configured to deform following the displacement (elastic deformation) of the ventilation label opposite end portions 1b, 1b.

Moreover, in the said embodiment, although each layer which comprises the ventilation | gas_flowing label 1 is cut and the linear penetration part 1a is formed, it is not limited to this, For example, when forming each layer, a line Each opposing edge part which comprises the shape penetration part 1a may be formed.

Moreover, in the said embodiment, although it comprises so that the ventilation | gas_flowing label opposing edge part 1b, 1b may contact | abut the whole, it is not limited to this, At least self-adsorption layer opposing edge part 6a, 6a is mutually You may comprise so that it may contact | abut.

Moreover, in the said embodiment, although the force of internal pressure or an external pressure is added to the ventilation label pair edge part 1b, 1b, it is comprised so that ventilation label pair edge part 1b, 1b may be displaced (elastic deformation). For example, when the adherend A expands and contracts in a state where the ventilation label 1 is attached to the adherend A, the vent label follows the adherend A. As 1 expands and contracts, the air-flowing label opposite end portions 1b, 1b may be displaced (contacted / separated) in the surface direction.

Moreover, in the said embodiment, although the ventilation label 1 is affixed on the package A, it is not limited to this, For example, the ventilation label 1 is on the soft packaging material before the package A is formed. After being attached, the package A may be formed.

Moreover, in the said embodiment, although the linear penetration parts 1a, 10a, and 11a are formed in the cross shape, it is not limited to this, For example, they are U shape, V shape, or a wave shape. If the ventilation label 1 expands and contracts, it may be linear.

Moreover, in the said embodiment, although the ventilation | gas_flowing labels 1, 10, and 11 are equipped with the adhesion layers 5, 50, and 51, it is not limited to this, For example, it is comprised so that the adhesion layer 5 may not be provided. Also good. In such a case, an adhesive layer may be formed by applying an adhesive to the adherend A, and a ventilation label may be attached to the position where the adhesive layer is formed.

Moreover, in the said embodiment, although the ventilation labels 1, 10, and 11 are comprised from the main body layer 4, the adhesion layers 5, 50, and 51, and the self-adsorption layer 6, in addition to these layers, other You may be comprised so that a layer (For example, the anchor layer etc. which couple | bond these layers) may be provided.

Moreover, in the said embodiment, although internal space R1 is demarcated (closed) only by the soft packaging material A, it is not limited to this, For example, internal space R1 is demarcated by the container which accommodates articles | goods. Also good. Specifically, the soft wrapping material A is attached to the container body so as to close the opening of the container main body having the opening, and the container is configured so that the soft wrapping closes the opening of the container main body. The internal space R1 may be defined (closed) by the material A (partitioned from the external space).

DESCRIPTION OF SYMBOLS 1 ... Ventilation label, 1a ... Linear penetration part, 1b ... Ventilation label opposite edge part, 2 ... Pasting area, 3 ... Low peeling area, 4 ... Main body layer, 4a ... Main body layer opposite edge part, 5 ... Adhesive layer, 5a ... Adhesive layer opposite end, 6 ... Self-adsorption layer, 6a ... Self-adsorption layer opposite end, A ... Substrate, A1 ... Through-hole, R1 ... Internal space, R2 ... External space

Claims (3)

1. An internal space and an external space that is adjacent to the internal space via the adherend and configured to be able to be attached to the adherend so as to close a through hole formed in the adherend that defines the defined internal space. A ventilation label that allows gas to flow between
   A ventilation label comprising a self-adsorbing layer formed using a material having a self-adsorbing property, and a linear penetrating portion that is linearly formed in a plane direction in a region including the self-adsorbing layer and penetrates the region.
2. Attached region that is configured in an annular shape and is attached to the adherend, and on the inner side of the attached region, a low peel region whose peel strength to the adherend is lower than that of the adherend region, or against the adherend The air-permeable label according to claim 1, further comprising a non-sticking region that is not attached to the linear penetrating portion, wherein the linear penetration portion is formed in a low peeling region or a non-sticking region.
3. The ventilation label according to claim 1 or 2, further comprising an adhesive layer formed using an adhesive, wherein the linear penetrating portion is formed in a region not including the adhesive layer.
   

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