TW201433513A - Bag body with fitting tool - Google Patents

Abstract

The present invention provides a bag body with fitting tool (1). This bag body with fitting tool (1) has a bag main body (20) which stores contents, and has fitting tool (10) which is attached inside of the bag main body (20). This fitting tool (10) is attached along with a rim of an aperture part (26) of the bag main body (20), and is attached oppositely inside of the bag main body (20). This fitting tool (10) is composed of a pair of a male side portion (13) and a female side portion (14), and is fitted with each other detachably. This fitting tool (10) changes their color with a temperature. From the outside of the bag main body (20), the temperature of the content of the inside of the bag main body (20) can be known easily with the color change of the fitting tool (10).

Description

Pocket with attached tool Field of invention

The invention relates to a bag body with a fitting tool.

This application claims priority based on Japanese Patent Application No. 2012-262246, filed on Jan.

Background of the invention

In various fields such as foods and medicines, an inner surface in the vicinity of the opening of the bag body is widely used, and a fitting tool bag body in which a fitting tool for sealing the opening portion to be freely opened and closed is attached. As a fitting tool, for example, a protruding portion that extends in the switching direction of the opening portion, that is, a male side fitting portion and a male side fitting portion are freely mounted on the opposing faces of the pair of belt-shaped base materials. A fitting tool in which the female-side fitting portion is removed from the ground and is provided separately along the longitudinal direction of the substrate (Patent Document 1). In the bag body with the fitting tool, a fitting tool is attached to the inner surface of the vicinity of the opening of the bag along the edge of the opening, and the male side fitting portion and the female side fitting portion of the fitting tool are attached and detached. The bag opening can be freely opened and closed.

On the other hand, in the fields of food, medicine, etc., control is needed. There are many cases of the temperature of the contents at the time of storage or use. For example, it may be exemplified by a user who requires refrigerating or cryopreservation during storage, and returns to normal temperature at the time of use.

In the above case, the longer the storage time or the room temperature or the like for restoring the normal temperature, the easier it is to determine the temperature of the contents of the bag attached to the fitting tool. However, when these times are not long enough, it is difficult to judge the temperature of the contents. Further, since the material of the bag body of the bag body to which the fitting tool is attached, the speed of temperature change in the bag body also changes, so that it is difficult to directly judge the temperature of the contents.

[Advanced technical literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2003-160147

Summary of invention

The present invention provides a bag body with a fitting tool which can easily judge the temperature of the contents contained in the bag body.

A first aspect of the present invention is a bag body with a fitting tool, comprising: a bag body for accommodating a content; and a fitting tool attached to an inner surface of the bag body, wherein the fitting tool is attached to the aforementioned The bag body faces the inner surface of the bag so as to be along the edge of the opening formed by the bag body, and has a pair of fitting portions that are detachably fitted to each other, and the color of the fitting tool varies depending on temperature. From the aforementioned bag body The side can discriminate the change in the color of the aforementioned fitting tool.

According to a second aspect of the invention, in the first aspect, the fitting tool includes a thermochromic material.

According to a third aspect of the invention, in the second aspect, the thermochromic material is a mixture comprising an electron donor compound and an electron acceptor compound.

According to a fourth aspect of the invention, in the third aspect, the mixture comprising the electron donor compound and the electron acceptor compound is encapsulated in a microcapsule.

According to a fifth aspect of the invention, in the second aspect, the content of the thermochromic material in the fitting tool is 5 to 40%.

According to the bag body with the fitting tool of the present invention, the temperature of the contents contained in the bag body can be easily judged.

1‧‧‧With the body of the fitting tool

10‧‧‧Chimeric tools

11‧‧‧1st substrate

11a‧‧‧ the opposite side of the first substrate

11b‧‧‧ outside the first substrate

12‧‧‧2nd substrate

12a‧‧‧ the opposite side of the 2nd substrate

12B‧‧‧ outside the second substrate

13‧‧‧ male side fittings

13a‧‧‧ cadres

13b‧‧‧ head

14‧‧‧ Female side fittings

14a‧‧‧1st arm

14b‧‧‧2nd arm

14c‧‧‧ dent

20‧‧‧ bag body

21‧‧‧1st film material

22‧‧‧2nd film material

23‧‧‧The Peripheral Department

24‧‧‧ cut off the auxiliary line

25‧‧ ‧ gap

26‧‧‧ openings

Fig. 1 is a front view showing an example of a bag body with a fitting tool of the present invention.

Fig. 2 is a cross-sectional view taken along the line I-I' of the bag body of Fig. 1 with a fitting tool.

Fig. 3 is a perspective view showing a state in which the opening of the bag body of the fitting tool of Fig. 1 has been opened.

Form for implementing the invention

An example of the bag body with the fitting tool of the present invention will be described with reference to Figs.

As shown in Fig. 1 and Fig. 2, the bag body 1 (hereinafter referred to as "bag body 1") of the fitting tool of the present embodiment has a bag body 20 for accommodating contents and an inner surface of the bag body 20; The fitting tool 10.

The fitting tool 10 has a pair of belt-shaped first base material 11 and second base material 12. The opposing surface 11a of the first base material 11 is provided with a male side fitting portion 13 which is a protruding portion that extends in the longitudinal direction of the first base material 11. The opposing surface 12a of the second base material 12 is provided with a female-side fitting portion 14 that is detachably fitted to the male-side fitting portion 13 along the longitudinal direction of the second base member 12.

The shape of the first base material 11 is not particularly limited as long as it is a strip-shaped shape that is generally used in a conventional fitting tool.

As the first base material 11, a laminated film in which a heat-resistant layer and a heat-sealing layer are laminated from the opposite surface 11a side is preferable. Further, the first base material 11 may have a barrier layer between the heat-resistant layer and the heat seal layer.

As the resin material forming the heat-resistant layer, biaxially stretched nylon, biaxially oriented polypropylene, or the like can be exemplified.

The resin material forming the heat seal layer may, for example, be a linear low density polyethylene, a non-stretch polypropylene, an ethylene-vinyl acetate copolymer, an ionic polymer or the like.

As the resin material forming the barrier layer, polyvinyl alcohol or the like can be exemplified.

The resin material forming the first base material 11 may be one type or two or more types. In addition, as the first base material 11, an additive such as a stabilizer, an oxidation inhibitor, a lubricant, or a charge prevention agent may be added as needed.

Further, the first base material 11 is not limited to the base material composed of the laminated film, and may be a base material composed of a single layer film.

As the second base material 12, for example, the same base material as the first base material 11 can be exemplified, and the same applies to the same.

As shown in Fig. 2, the male-side fitting portion 13 has a branch portion 13a that is erected from the opposing surface 11a of the first base material 11, and a head portion 13b that is provided on the distal end side of the branch portion 13a and larger than the branch portion 13a. . The female-side fitting portion 14 is formed by arranging one pair of the first arm portion 14a and the second arm portion 14b in a circular arc shape from the opposing surface 12a of the second base material 12, and using the first arm portion 14a and The second arm portion 14b is formed with a recess 14c that extends in the longitudinal direction of the base material 12.

The male-side fitting portion 13 and the female-side fitting portion 14 allow the head portion 13b of the male-side fitting portion 13 to be fitted into the recess 14c of the female-side fitting portion 14, thereby being detachably fitted.

The cross-sectional shape of the male-side fitting portion 13 and the female-side fitting portion 14 can be replaced by the male-side fitting portion 13 and the female-side fitting portion 14 so that the opening of the bag body opening portion can be repeated. can. For example, the female-side fitting portion has a head portion that is erected from the opposing surface 12a of the second base material 12, and an arm portion that is erected in an arc shape from the cross section of the head portion, and can be formed by using the pair of arms. There is a recess 14c in which the head of the male side fitting portion is fitted.

The material of the male side fitting portion 13 and the female side fitting portion 14 can be, for example, the same material as that of the first base material 11 and the second base material 12 .

The fitting tool 10 varies in color depending on the temperature. Since the fitting tool 10 is attached to the inner surface of the bag body 20, the color of the fitting tool 10 becomes a color reflecting the temperature inside the bag body 20. Thereby, the temperature of the contents contained in the bag body 20 of the bag body 1 can be easily determined from the color of the fitting tool 10.

The change in color of the fitting tool 10 may vary in the overall color of the fitting tool 10, or may vary in the color of a portion of the fitting tool 10. For example, the color of the first base material 11 and the second base material 12 may not change, and the color of the male side fitting portion 13 and the female side fitting portion 14 may be changed, and the male side fitting portion 13 may be The color of the female side fitting portion 14 does not change, and the colors of the first base material 11 and the second base material 12 vary.

The color tone of the fitting tool 10 is not particularly limited as long as it is a range in which the change in color can be recognized from the outside of the bag body 1.

As the color of the fitting tool 10 changes depending on the temperature, it is preferable that the fitting tool 10 contains a thermochromic material which is insensitive to the ambient temperature and whose color changes.

The thermochromic material may be contained in the entire fitting tool 10 or may be contained only in one part of the fitting tool 10. For example, only the first base material 11 and the second base material 12 of the fitting tool 10 may contain a thermochromic material, and the male side fitting portion 13 and the female side fitting portion 14 may contain a thermochromic material. . Further, when the first base material 11 or the second base material 12 is a laminated film, the thermosensitive material may be contained in all of the layers of the laminated film, or the thermosensitive material may be contained only in a part of the layer.

As the thermochromic material, for example, a mixture containing an electron donor compound (chromogen) and an electron acceptor compound (chromogen) may be mentioned. The mixture induces a change in temperature to form crystals, and electrons are transferred between the electron donor compound and the electron acceptor compound to change color. The change in the above color occurs reversibly depending on the temperature change.

The electron donor compound is not particularly limited, and examples thereof include For example, a recognized colorless compound which reacts with an electron acceptor compound to emit color, specifically, a fluorescent yellow mother or the like can be exemplified.

The electron acceptor compound is not particularly limited, and examples thereof include a recognized compound which is colored by obtaining electrons from a colorless compound, and specific examples thereof include bisphenols.

In order to reversibly change the color of the fitting tool 10, it is preferred to encapsulate the mixture containing the electron donor compound and the electron acceptor compound in the microcapsules. The method of encapsulating the mixture in the microcapsules can be carried out by a recognized method.

When the whole of the fitting tool 10 contains a thermochromic material, the content of the thermochromic material in the fitting tool 10 (100% by mass) is preferably 5 to 40% by mass, more preferably 10 to 30%. The mass % is particularly good. When the content of the thermochromic material is at least the lower limit value, the color of the fitting tool 10 can be easily determined, and the temperature of the contents contained in the bag 1 can be easily determined. When the content of the thermochromic material is at most the upper limit, it is easy to obtain sufficient fitting strength.

When the first substrate 11 contains a thermochromic material, the content of the thermochromic material in the first substrate 11 (100% by mass) is preferably 5 to 40% by mass, more preferably 10 to 30%. The mass % is particularly good. When the second base material 12 contains a thermochromic material, the suitable content is the same as in the case of the first base material 11.

When the male side fitting portion 13 contains a thermochromic material, the content of the thermochromic material in the male side fitting portion 13 (100% by mass) is preferably 5 to 40% by mass, and 10 to 30%. The mass % is particularly good. When the female side fitting portion 14 contains the thermochromic material, the suitable content is the same as that of the male side fitting portion 13. with.

The bag body 20 is formed by superposing the first film member 21 and the second film member 22, and heat-sealing all of the peripheral portion 23, and is in a sealed state. The cutting assisting wire 24 is provided on the upper side of the fitting tool 10 of the bag body 20 in the lateral direction, and the end portion is formed with a notch 25.

As shown in FIG. 3, the bag body 1 cuts and removes the upper portion of the bag body 20 from the notch 25 along the cutting assisting line 24, whereby the opening portion 26 can be formed in the upper portion and opened. In the bag body 1, the fitting tool 10 is attached to the inner surface of the bag body 20 so as to be provided with the male side fitting portion 13 and the female side fitting portion 14 along the edge of the opening portion 26. Specifically, as shown in FIG. 2, the outer surface 11b of the first base member 11 of the fitting tool 10 is welded to the first film member 21 of the bag body 20, and the outer surface 12b of the second base member 12 of the fitting tool 10 and the bag body 20 are formed. The second film material 22 is welded.

The opening portion 26 formed in the bag body 1 can be freely opened and closed by the fitting tool 10 by the fitting tool 10.

The shape of the bag body 20 is rectangular in this embodiment. However, the shape of the bag body 20 is not limited to a rectangle. Further, the size of the bag body 20 is not particularly limited, and may be appropriately selected depending on the contents accommodated in the bag body 20.

In the bag body 20, the change in the color of the fitting tool 10 can be discriminated from the outside of the bag body 20. Specifically, at least the portion of the bag body 20 on which the fitting tool 10 is mounted becomes transparent. The bag body 20 may be entirely transparent, or may be transparent when the fitting tool 10 is mounted, and other portions may be colored and opaque.

The first film material 21 and the second film material 22 forming the bag body 20 are only It is preferable that the fitting tool 10 can be welded by heat sealing, and it is preferable to have at least a laminated film from the inner surface side to the sealant layer and the base material layer.

As the base material layer, biaxially stretched nylon or biaxially oriented polypropylene can be exemplified.

As the sealant layer, a linear low-density polyethylene, a non-stretched polypropylene, an ethylene-vinyl acetate copolymer, an ionic polymer or the like can be exemplified.

Further, the laminated film may be provided with a functional layer such as a barrier layer.

The first film material 21 and the second film material 22 may be a single layer film composed only of a sealant layer.

The first film material 21 and the second film material 22 can be colored by a coloring agent or the like as long as the color change of the fitting tool 10 can be determined.

The cutting assisting line 24 is a line that assists in cutting and unsealing the bag body 20. For example, the cutting auxiliary line 24 may be a weakened line or a stitched portion in which the portion of the first film member 21 and the second film member 22 of the bag body 20 is thinned compared to the other portions. A weakening line constituting the weakening line formed by the pores formed in a line. Further, the cutting assisting line 24 is not limited to the weakening line, and may be a line formed by printing or the like at a position where the scissors or the cutter is cut.

In the present embodiment, the cutting assisting wire 24 is formed along the width direction of the bag body 20. However, the cutting assisting wire 24 is not limited to this embodiment, and may be provided obliquely with respect to the width direction of the bag body 20.

The shape of the notch 25 is triangular in this example. The shape of the notch 25 is not limited to a triangular shape, and may be a semicircular shape or a linear shape.

In the bag body with the fitting tool described above, the fitting tool The color varies depending on the temperature, and the change in the color of the fitting tool can be determined from the outside of the bag body. Therefore, the temperature of the contained contents can be easily judged from the color of the fitting tool reflecting the temperature inside the bag.

Further, the bag body with the fitting tool of the present invention is not limited to the bag body 1 as long as it exhibits the effects of the present invention.

For example, the pair of fitting portions may be formed by providing a plurality of male side fitting portions on the respective base materials, and by inserting these into each other, the opening of the bag body is opened and closed. Further, one or more female-side fitting portions may be provided for each of the base materials, and the female-side fitting portions may be fitted to each other to open and close the opening of the bag body.

Further, the fitting tool may not have a base material, and the pair of fitting portions may be formed directly on the inner surface of the bag body.

Further, the bag body is not particularly limited, and the bag body of the bag body to which the fitting tool is attached may be a bag body of various forms known. For example, the bag body 1 is a bag body in a sealed state before the opening portion is formed by the cutting assisting wire, but may be a fitting tool bag body having a bag body in which an opening portion is formed in advance.

Industrial use possibility

In the bag body with the fitting tool of the present invention, the color of the fitting tool changes depending on the temperature, and the change in the color of the fitting tool can be discriminated from the outside of the bag body.

1‧‧‧With the body of the fitting tool

10‧‧‧Chimeric tools

11‧‧‧1st substrate

12‧‧‧2nd substrate

13‧‧‧ male side fittings

14‧‧‧ Female side fittings

20‧‧‧ bag body

21‧‧‧1st film material

22‧‧‧2nd film material

23‧‧‧The Peripheral Department

26‧‧‧ openings

Claims (5)

A bag body with a fitting tool, comprising: a bag body for accommodating a content; and a fitting tool attached to the inner surface of the bag body, wherein the fitting tool is attached to an inner surface of the bag body opposite to the bag body A pair of fitting portions that are detachably fitted to each other along the edge of the opening formed by the bag body, the color of the fitting tool varies depending on temperature, and the foregoing can be discriminated from the outside of the bag body. The change in color of the fitting tool. The bag body of the fitting tool of claim 1, wherein the aforementioned fitting tool comprises a thermochromic material. The bag body of the fitting tool of claim 2, wherein the thermochromic material is a mixture comprising an electron donor compound and an electron acceptor compound. The bag body of the fitting tool of claim 3, wherein a mixture comprising the aforementioned electron donor compound and an electron acceptor compound is enclosed in the microcapsule. The bag body of the fitting tool according to claim 2, wherein the content of the thermochromic material in the fitting tool is 5 to 40%.