JP2000272639A - Packaging material having fastener for hermetic sealing, and hermetically sealed packaged body having fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a content from carelessly leaking out from an opened section of a fastener of a packaging material when the fastener of the packaging material is carelessly opened by leaving the flat packaging material to stand on a horizontal table or the like. SOLUTION: An extended section B of a doubly superposed film, which is constituted by superposing one of the films in the direction in parallel with one end section 5 of the doubly superposed film in a manner to project at the approx. center of the film 1a of the flexible doubly superposed film A, and an openable/resealable fastener 7 on the superposed internal surface side of the extended section are provided, and hermetically sealed sections 11, 12, 13 and 14 are provided at respective confronted external end sections in the direction being orthogonal to one end section of the doubly superposed film, on the doubly superposed film and the extended section, and hermetically sealed and closed section is respectively provided at the one end section 5 and the external end section 3 of the extended section in the diretion in parallel with the one end section of the doubly superposed film, and an opened section 6 is provided at the other end section being confronted with the one end section of the doubly superposed film.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wrapping material made of a flexible synthetic resin film for hermetically wrapping various articles such as solid and liquid foods. Along with a resealing linear chuck.

[0002]

2. Description of the Related Art Conventionally, a flexible synthetic resin film provided with a linear chuck for resealing along an opening direction in an opening portion for sealing and packaging various articles including solid and liquid foods. Examples of the packaging material include the following.

[0003] For example, as shown in FIG.
2, a rectangular flexible film 21 that is folded in two by using the two-folded double-layered film 2 is used.
The two open ends facing each other are heated and pressurized to form sealing seal portions 24 and 25, and they are overlapped so as to be close to each other along the remaining open end 26 facing the fold 22, respectively. The linear chuck 23 having a linear concave portion and a linear convex portion is attached and fixed.

[0004] As shown in FIG.
After the contents are filled from the open end 26 side, the open end 26 is heated and pressurized, and hermetically sealed and packaged by the hermetic seal portion 27. The seal portion 24 is provided between the linear chuck 23 and the hermetic seal portion 27. The packaging material can be opened and resealed by cutting the linear chuck 23 as an unsealing portion by cutting off the cut portion 28 along the cutting line C in a parallel direction.

[0005] Further, as shown in FIG.
A rectangular flexible film 21 that is folded in two through the use of a double-folded two-layered film 21 is used.
The two open ends facing each other are heated and pressurized to provide hermetic seal portions 24 and 25, so as to approach along the fold 22,
There is a type in which a linear chuck 23 having a linear concave portion and a linear convex portion is attached and fixed to the inner surface side of each overlap.

[0006] As shown in FIG.
After the content is filled from the remaining open end 26 facing the fold 22, the open end 26 is heated and pressurized, and hermetically sealed and sealed by the hermetic seal portion 27.
Cut portion 28 provided in the seal portion 24 between the
The packaging material can be opened and resealed with the linear chuck 23 as an unsealed portion by separating the packaging material in a direction parallel to the cutting line C.

[0007]

The packaging material as shown in FIGS. 2 and 3 has a flat shape as a whole and an opening portion at one end thereof. After cutting off one end, the linear chuck 23 of the packaging material is opened, and the flat packaging material is left horizontally on a table or the like, or is left horizontally on a table or the like so that the linear chuck 23 of the packaging material is inadvertent. In some cases, the contents may leak laterally from the unsealed portion of the linear chuck 23 at one end, or the surroundings may be stained by leakage of the contents.

The present invention relates to a flat packing material which can be opened and resealed by the above-mentioned linear chuck, wherein the flat packing material is left horizontally on a table or the like, or a linear chuck for the packing material is provided. It is an object of the present invention to prevent the contents from leaking out of the packaging material from the unsealed portion of the linear chuck of the packaging material or inadvertently leaking when the product is opened carelessly.

[0009]

According to a first aspect of the present invention, there is provided a flexible double-layer film having a rectangular shape, which protrudes substantially at the center of one of the films and is parallel to one end of the double-layer film. In the direction, an extended portion of the two-layer film formed by laminating the one film and a linear chuck that can be opened and resealed on the inner surface side of the overlap of the extended portion, and the two-layer film and the extended portion The two-ply film is provided with a hermetically sealed portion at each outer end in a direction orthogonal to the one end portion, and at one end portion of the two-ply film and at an outer end portion of an extending portion in a direction parallel to the one end portion. A sealing packing material with a zipper, characterized in that it has a sealing closing part and an opening for filling contents at the other end opposite to the one end of the two-layer film.

According to a second aspect of the present invention, there is provided the sealing packaging material with a zipper according to the first aspect of the present invention,
The hermetically sealed portion provided at the one end of the two-ply film is a sealing packaging material with a zipper, which is a folded portion of the two-ply film by folding in two.

According to a third aspect of the present invention, there is provided the sealing packaging material with a zipper according to the first aspect of the present invention,
The hermetically sealed portion provided at the one end of the two-layer film is a sealing packaging material with a zipper, which is a hermetically sealed portion.

According to a fourth aspect of the present invention, in the sealing packaging material with the zipper according to the first or second or third aspect of the present invention, the hermetically sealed closure provided at the outer end of the extending portion. The part is a sealing packaging material with a zipper, which is a fold part of a two-ply film obtained by folding the one film in half.

According to a fifth aspect of the present invention, in the sealing packaging material with a zipper according to the first, second, or third aspect of the present invention, a hermetically sealed block provided at an outer end of the extending portion. The part is a sealing packaging material with a zipper, which is a sealing part.

According to a sixth aspect of the present invention, there is provided a package using the sealing packaging material with a chuck according to the first, second, third, fourth, or fifth aspect, A sealed package with a zipper, wherein the opening for filling the contents is hermetically sealed after filling the contents.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a sealing packaging material with a zipper according to the present invention will be described below in detail with reference to FIGS.

FIG. 1A is a side sectional view of a packaging material of the present invention, and is a composite film of a rectangular flexible synthetic resin film (or a synthetic resin film and an aluminum foil, a paper sheet, a vapor-deposited film, etc.). ) Is folded back through the fold portion 5 to form a two-layer film A formed by laminating two films 1a and 1b, respectively.

In the two-layer film A (1a, 1b), the film 1a is bent at a substantially central portion of one of the films 1a through a fold portion 2 in a direction parallel to one end of the two-layer film A. Further, it is folded in the opposite direction via a fold 3 parallel to the fold 2 and further folded in the opposite direction via a fold 4 parallel to the folds. An extended portion B protruding due to the overlap of the formed films 1a is provided.
The other end of the double-layered film A, which is formed at one end of the double-layered film A and faces the fold 5 in parallel, is an opening 6 (opening) for filling contents.

A flexible plastic linear chuck 7 that can be opened and re-sealed is parallel to the one end of the two-layer film A on the inner side of the overlapping portion of the extending portion B formed by the lamination of the films 1a. Direction. The linear chuck 7 is attached to and fixed to the inner surface of the film 1a so as to face each other by bonding (or fusing).
a and the linear convex portion 7b, which can be hermetically sealed and resealed by engaging with each other by concave and convex fitting, and opened by releasing the fitting.

FIG. 1B is an overall perspective view of the packaging material of the present invention. In the double-layered film A and the extending portion B, the one end of the double-layered film A (FIG.
(Corresponding to the fold 5 in FIG. 5A), and at the outer ends facing each other, sealed seal portions 11, 12 formed by heating and pressurizing, and sealed seal portions 13, 14 are provided. In addition, a sealant layer that is easily heat-sealed is provided on the inner surface of the two-layer film A and the inner surface of the extension portion B,
A hermetic seal is possible by heating and pressing.

At one end of the double-layered film A, a sealing and closing portion is provided by a fold 5, and the outer end of the extension B in a direction parallel to the fold 5 at the one end is also provided with a fold 3 with a closed closure. Note that, in the packaging material of the present invention, the hermetically closed portions of the fold portions 3 and 5 do not necessarily have to be fold portions. For example, as shown in FIG. The portion corresponding to the portions 3 and 5 may be the open end portion of the two-layer film, which may be heated and pressurized to form the hermetically sealed portion 15 to form a hermetically sealed portion.

The packaging material of the present invention is as shown in FIG. 1 (b). The contents are filled into the interior space 8 of the packaging material through the opening 6 and thereafter, as shown in FIG. As shown in (1), the hermetic seal 16 is formed in the opening 6 by heating and pressurizing, so that the sealed package with a zipper of the present invention filled with the contents is obtained.

As shown in FIG. 1 (c), the sealed packaging material with a zipper and the sealed packaging material with a zipper of the present invention, as shown in FIG. By cutting along the imaginary cutting line C between the sealing closure at the end (the fold 3 or the sealing 15), the sealing closure at the outer end of the extension B is cut off from the packaging material body. After that, the linear chuck 7
The package can be opened and the contents can be taken out by manually releasing the concave / convex fitting of the above, and the linear chuck 7 having been released is fitted with the concave / convex to make it a sealed state again. Can be.

The extended portion B of the packaging material of the present invention has a linear chuck 7 and a sealing blockage (a fold portion 3 or a sealing portion 15) at the outer end of the extending portion B in a direction parallel to the linear chuck 7. Along the virtual cutting line C along the extension B
In order to be able to separate the sealed closing portion at the outer end of the sealing material from the packaging material main body, the sealing mark 13 formed by printing and the sealing portion 13 of the extending portion B corresponding to one end of the mark are provided.
Alternatively, the cutout portion 17 may be formed at the outer end of the hermetic seal portion 14.

In order to smoothly cut along the virtual cutting line C, a synthetic resin film stretched at least in the direction of the cutting line C or a composite film thereof can be used.

The flexible synthetic resin film used as the double film A of the packaging material of the present invention includes, for example,
A polyethylene film, a polypropylene film, a polyethylene terephthalate film, or a composite film obtained by laminating any one of these films with an aluminum foil, a paper sheet, a vapor deposition film, or the like can be used.

[0026]

The sealed packaging material with a zipper and the sealed packaging material with a zipper of the present invention have a flat shape as a whole even after the contents are filled, but the unsealed portion with the zipper is not at one end of the packaging material. Since the sealing portion at the outer end of the opening portion with the zipper provided in the extending portion of the packaging material is cut off along the cutting line, the flat packaging material is placed on the table. Or cooked in a microwave oven,
When the chuck is inadvertently opened, the leakage of the contents from the open part of the chuck can be completely prevented compared to the conventional case where the opening part of the chuck is at one end of the flat packaging material. In addition, the chuck can be opened at the center of the packaging material, and when opened, the flow force of the contents acts in the direction to raise the entire extended part, so that leakage of the contents can be reduced as much as ever. This has the effect of reducing or avoiding contamination of the surroundings by leakage.

Further, in the sealed packaging material with a zipper according to the present invention, the position of the opening for filling the contents is as follows, even though the opening portion with the zipper is located at the center of the packaging material.
Because it is not at the center of the packaging material but at one end of the packaging material,
It is possible to fill the packaging material from one end in the same manner as the conventional bag-shaped packaging material with a zipper. It is also possible to use the filling method, and there is an effect that the filling operation of the contents can be performed easily and efficiently.

[Brief description of the drawings]

1A is a side sectional view of a packaging material of the present invention, FIG. 1B is an overall perspective view of the packaging material of the present invention, and FIG. 1C is an overall view of the packaging material after filling the packaging material with contents. Perspective view.

FIGS. 2A and 2B are plan views illustrating a conventional packaging material.

FIGS. 3A and 3B are plan views illustrating a conventional packaging material.

[Explanation of symbols]

A: double laminated film B: extended portion C: cutting line 1a, 1b: film 2, 3, 4, 5, ... fold portion 6:
Opening part 7 Chuck 8 Internal space part 11, 12 Sealed seal part 13, 14 Sealed seal part 15 Sealed seal part 16 Sealed seal part 17 Cut-in part 21 Double film 22 Folded part 23 Chucks 24, 25 ... Sealed seal part 26 ... Open part 27 ... Sealed seal part 28 ... Notch part

Claims (6)

[Claims] 1. A rectangular flexible two-layer film,
An extended portion of the two-layer film, which is formed by laminating the one film, in a direction parallel to one end of the two-layer film, protruding from a substantially central portion of the one film, and an inner side of the overlapping portion of the extended portion. An openable and resealable linear chuck is provided, and a sealing seal portion is provided at each of outer ends of the two-layered film and the extending portion, which are opposed to the one end of the two-layered film in a direction orthogonal to the two-layered film. One end portion and an outer end portion of the extending portion extending in a direction parallel to the one end portion are provided with sealing closure portions, respectively, and the other end portion of the two-layer film opposite to the one end portion is provided with an opening for filling contents. A packing material for sealing with a chuck characterized by the above-mentioned. 2. The sealing packaging material with a zipper according to claim 1, wherein the sealing closing portion provided at the one end of the double-ply film is a fold portion of the double-ply film by folding in two. 3. The sealing packaging material with a zipper according to claim 1, wherein the sealing closing portion provided at the one end portion of the two-ply film is a sealing sealing portion. 4. The sealing portion provided at the outer end of the extension portion is a fold portion of a two-ply film formed by folding one of the films.
The packing material for sealing with a zipper described. 5. The sealing packaging material with a zipper according to claim 1, wherein the sealing closing portion provided at the outer end of the extending portion is a sealing sealing portion. 6. A package using the sealing packaging material with a zipper according to claim 1, 2 or 3, 4 or 5, wherein the opening for filling the contents is provided. ,
A sealed package with a zipper, which is hermetically sealed after filling the contents.