JP2012101797A - Bag body with fitting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag body with a fitting device capable of stably fitting a male side fitting part and a female fitting part to each other, and closing its opening even when housing a powder-like content or a content generating powder-like pieces.SOLUTION: The bag body 1 with the fitting device includes a bag body 10 having a pair of flat parts 11, 12, an extension part 13 extending from an upper end of one flat part 11 of the bag body 10, and a fitting device 20 having a female side fitting part 24 provided on an outer side 12a of the other flat part 12 of the bag body 10, and a male side fitting part 23 provided on an inner side 13a on the other flat part 12 in the extension part 13.

Description

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

  In various fields such as foods, medicines and miscellaneous goods, a bag body with a fitting tool to which a fitting tool for opening and closing the opening of the bag body is attached is widely used. For example, a pair of belt-shaped base materials, a male side fitting part and a female side fitting part that is detachably fitted to the male side fitting part are provided along the longitudinal direction of the base material, respectively. A combination is attached to the inner surface of the upper part of the bag body that contains the contents (for example, Patent Document 1). Such a bag body with a fitting tool opens and closes the formed opening by detaching the male side fitting part and the female side fitting part of the fitting tool after forming the opening in the upper part of the bag body. Can be repeated.

JP 2008-44663 A

  However, a bag body with a fitting as described in Patent Document 1 is powdery in the female-side fitting portion when containing powdery contents or contents that produce powdery debris such as confectionery. The contents, fragments, etc. may enter, and the fitting of the male fitting portion and the female fitting portion may be hindered.

  The present invention stably fits the male fitting part and the female fitting part and closes the opening even when powdery contents or contents that generate powdery fragments are accommodated. An object of the present invention is to provide a bag body with a fitting tool.

The present invention employs the following configuration in order to solve the above problems.
[1] A bag body having a pair of flat portions for containing contents,
An extending portion having the same width as the planar portion extending from the upper end of one planar portion of the bag body;
A male side fitting of a ridge provided on each of the outer surface of the other flat portion of the bag body and the surface on the other flat portion side of the extending portion from one edge in the width direction to the other edge. A fitting having a mating part and a female-side fitting part detachably fitted to the male-side fitting part;
The bag body with a fitting which comprises.
[2] The upper portions of the pair of flat portions are bonded to seal the bag body,
The fitting according to [1], wherein a cut tape that assists in opening the bag body is attached to an inner surface of the other planar portion above an engaging portion provided on an outer surface of the other planar portion. Bag with mix.
[3] The bag body with a fitting tool according to [1] or [2], wherein the male side fitting portion is provided on a surface of the extending portion on the other plane portion side.

  Even if the bag body with a fitting tool of the present invention accommodates powdery contents and contents that generate powdery fragments, the male fitting part and the female fitting part are stably provided. It can be fitted and the opening can be closed.

It is the front view which showed an example of the bag body with a fitting tool of this invention. It is sectional drawing when cut | disconnecting by the straight line I-I 'of the bag body with a fitting tool of FIG. It is sectional drawing which showed a mode that the fitting tool of the bag body with a fitting tool of FIG. 2 was fitted. It is the enlarged view to which the upper part of the bag body with a fitting tool of FIG. 1 was expanded. It is the enlarged view which showed a mode that opening was formed in the upper part of the bag body with a fitting tool of FIG. It is the perspective view which showed a mode that opening was formed in the upper part of the bag body with a fitting tool of FIG. It is sectional drawing which showed a mode that opening was formed in the upper part of the bag body with a fitting tool of FIG. It is sectional drawing which showed a mode that the upper part of the bag body with a fitting tool of FIG. 7 was closed with the fitting tool.

Hereinafter, an example of the bag body with a fitting tool of the present invention will be shown and described in detail.
As shown in FIG. 1 and FIG. 2, a bag body 1 with a fitting tool of the present embodiment (hereinafter referred to as “bag body 1”) has a bag body 10 having a pair of flat portions 11 and 12, An extending portion 13 having the same width as the planar portion 11 is provided that extends from the upper end of the planar portion 11 (hereinafter simply referred to as “planar portion 11”). In addition, the bag body 1 has one widthwise surface on each of the outer surface 12a of the other flat surface portion 12 (hereinafter simply referred to as “flat surface portion 12”) and the surface 13a on the flat surface portion 12 side of the extending portion 13. A fitting 20 having a male-side fitting portion 23 of a ridge and a female-side fitting portion 24 detachably fitted to the male-side fitting portion 23 is provided from the edge to the other edge.

The bag body 10 is formed by the flat surface portion 11 and the flat surface portion 12 being heat-sealed at the peripheral edge portion 14 thereof.
The shape of the bag body 10 is a rectangle in this embodiment. However, the shape of the bag body 10 is not limited to a rectangle. Further, the size of the bag body 10 is not particularly limited, and may be appropriately selected depending on the contents accommodated in the bag body 10.
The plane part 11 and the plane part 12 forming the bag body 10 may be made of a single layer film or a multilayer film. Examples of the laminated film include films including a heat seal layer, a heat resistant layer, a barrier layer, and the like.
Examples of the material for the heat-resistant layer include biaxially stretched nylon and biaxially stretched polypropylene.
Examples of the heat seal layer include linear low density polyethylene, unstretched polypropylene, ethylene-vinyl acetate copolymer, ionomer and the like.
Examples of the barrier layer include polyvinyl alcohol.

The extending portion 13 is a portion having the same width as the planar portion 11 extending from the upper end of the planar portion 11, in this example, the upper end of the peripheral portion 14 where the planar portion 11 and the planar portion 12 are heat-sealed. It can be folded to the side.
The material of the extending part 13 is the same material as that of the flat part 11.
The length a (FIG. 2) in the vertical direction of the extending portion 13 can be appropriately set according to the size of the bag body 10.

  The fitting tool 20 is a male side fitting portion 23 having a convex shape provided on the belt-like base material 21 along the longitudinal direction, and the male side fitting provided on the belt-like base material 22 along the longitudinal direction. It comprises a female-side fitting portion 24 that is detachably fitted to the joint portion 23. The base material 21 provided with the male side fitting part 23 is attached to the surface 13a on the flat part 12 side in the extending part 13 along the width direction. Further, the base material 22 provided with the female side fitting portion 24 is attached to the outer surface 12a of the flat portion 12 along the width direction.

  As shown in FIG. 2, the male-side fitting portion 23 has a trunk portion 23a formed so as to protrude from the base material 21, and a head portion 23b having a substantially semicircular cross section larger than the trunk portion 23a. The female-side fitting portion 24 includes arm portions 24a and 24b protruding from the base material 22 in a circular arc shape, and a concave portion 24c is formed by the arm portions 24a and 24b.

In the bag body 1, as shown in FIG. 3, the head of the male fitting portion 23 attached to the surface 13 a on the flat surface 12 side of the extending portion 13 by folding the extended portion 13 toward the flat surface 12. 23b is fitted into the recess 24c of the female fitting portion 24 attached to the outer surface 12a of the flat surface portion 12, so that the male fitting portion 23 and the female fitting portion 24 can be detachably fitted. It has become.
The shape of the male side fitting part 23 and the female side fitting part 24 is not particularly limited, and any shape can be adopted as long as they can be detachably fitted.

The distance b (FIG. 2) between the male side fitting portion 23 and the end portion of the extending portion 13 on the flat surface portion 11 side is determined according to the vertical length a of the extending portion 13. What is necessary is just to set suitably so that when it turns up, the male side fitting part 23 and the female side fitting part 24 can be fitted.
The vertical position of the female fitting portion 24 on the outer surface 12a of the flat surface portion 12 is also determined so that the male fitting portion 23 and the female fitting portion 24 can be fitted when the extension portion 13 is folded back. do it.

As shown in FIG. 3, the vertical position of the male side fitting portion 23 and the female side fitting portion 24 is set so that the upper end 10 a of the bag body 10, which is a boundary portion between the extending portion 13 and the flat portion 11, is a folding line. The position where the male side fitting part 23 and the female side fitting part 24 can be fitted when the entire extension part 13 is folded back to the plane part 12 side is preferable. Thereby, after opening the upper part of the bag main body 10 once, when the male side fitting part 23 and the female side fitting part 24 are fitted and the bag body 1 is closed, the clearance gap of the upper part of the bag main body 10 is made more. It can be made small and it is easy to suppress the contents from popping out.
Further, the vertical positions of the male side fitting part 23 and the female side fitting part 24 are located on the lower side of the upper end 10a of the bag body 10 as a folding line, together with the entire extension part 13 and the upper part of the bag body 10. A position where the male side fitting part 23 and the female side fitting part 24 can be fitted when a part is folded back to the plane part 12 side is also preferable. Also in this case, after opening the upper part of the bag body 10 once, when the male side fitting part 23 and the female side fitting part 24 are fitted and the bag body 1 is closed, the gap in the upper part of the bag body 10 is removed. It can be made smaller and it is easy to suppress the contents from popping out.
The vertical position of the male side fitting part 23 and the female side fitting part 24 is such that the upper side of the upper end 10a of the bag body 10 is a folding line, and a part of the extending part 13 is folded back to the plane part 12 side. The position where the male side fitting part 23 and the female side fitting part 24 can be fitted may be sufficient.

  Although the base material 21 and the male side fitting part 23 are formed along the width direction of the extension part 13 in this embodiment, it is not limited to this form and is inclined with respect to the width direction of the bag body 10. May be provided. In this case, the base material 22 and the female side fitting portion 24 can also be folded with respect to the width direction of the bag body 10 so that the extension portion 13 can be folded back and the male side fitting portion 22 and the female side fitting portion 24 can be fitted. It is provided with an inclination.

The base materials 21 and 22 can be a base material of a material normally used for a base material in a known fitting, and may be a base material made of a single layer film or a base material made of a laminated film. Also good. Examples of the laminated film include a film in which a heat-resistant layer and a heat seal layer are laminated. Further, the laminated film may have a barrier layer between the heat-resistant layer and the heat seal layer.
The base materials 21 and 22 may consist of 1 type of resin, and may consist of the resin composition containing 2 or more types of resin. Moreover, well-known additives, such as a stabilizer, antioxidant, a lubricant, an antistatic agent, and a coloring agent, may be added as needed.

  As a material of the male side fitting part 23 and the female side fitting part 24, the material normally used for the fitting part in a well-known fitting can be used, Polyolefin resin, such as polyethylene and a polypropylene, etc. are mentioned.

As shown in FIGS. 1 and 2, the bag main body 10 is in a state in which the flat surface portion 11 and the flat surface portion 12 are bonded and sealed at the peripheral edge portion 14, and the female side of the flat surface portion 12 of the bag main body 10. A cut tape 15 that assists in cutting the flat surface portion 12 and opening the upper portion of the bag body 10 is attached to the inner surface 12b above the fitting portion 24 along the width direction. The cut tape 15 is attached to the inner surface 12 b of the flat portion 12 via the adhesive layer 16.
As shown in FIG. 4, a cut 17 is formed at the end of the cut tape 15 in the flat portion 12 so that the end of the cut tape 15 can be gripped. As shown in FIG. 5, the bag body 1 grips and tears the end portion of the cut tape 15, whereby the flat surface portion 12 is cut along the cut tape 15. An opening 18 can be formed in the upper portion of the main body 10.
In this embodiment, the cut tape 15 is formed along the width direction of the bag body 10, but is not limited to this form, and may be provided inclined with respect to the width direction of the bag body 10. .

As a material of the cut tape 15, for example, a material that is not welded to the bag body 10 by heating can be used, and examples thereof include stretched high-density polyethylene, stretched polypropylene, and stretched polyester.
Examples of the material of the adhesive layer 16 include low density polyethylene, linear low density polyethylene, and unstretched polypropylene.

Hereinafter, the operation of the bag 1 will be described.
As shown in FIG. 2, the bag body 1 has the flat portion 11 and the peripheral portion 14 of the flat portion 12 bonded to each other while the contents are accommodated, and the bag body 10 is sealed. As shown in FIG. 3, the extension portion 13 is folded back to the plane portion 12 side, and the male side fitting portion 23 attached to the surface 13 a on the plane portion 12 side of the extension portion 13 and the plane portion 12. The female side fitting part 24 attached to the outer surface 12a is fitted. Thus, in the bag body 1, the male side fitting part 23 and the female side fitting part 24 attached to the extension part 13 do not contact the contents accommodated in the bag main body 10. Therefore, the contents adhere to the male side fitting part 23 or the contents enter the recess 24c of the female side fitting part 24, and the male side fitting part 23 and the female side fitting part 24 are fitted. Inhibition can be suppressed.

  When taking out the contents, as shown in FIGS. 1 and 2, the male side fitting part 23 is detached from the female side fitting part 24 and the extension part 13 is opened, and as shown in FIG. The flat portion 12 is cut along the cut tape 15 by gripping and tearing the end portion of the cut tape 15, and an opening 18 is formed in the upper portion of the bag body 10 as shown in FIGS. 6 and 7. After opening the bag body 10 once, as shown in FIG. 8, the extension portion 13 is folded back to the plane portion 12 side, the male side fitting portion 23 attached to the extension portion 13, and the outer surface of the plane portion 12. The opening 18 can be opened and closed by attaching and detaching the female side fitting part 24 attached to 12a.

  In the bag body 1, the contents can be taken out from the bag body 10 with the extension part 13 to which the male side fitting part 23 is attached opened, so that it is possible to suppress the contents from adhering to the male side fitting part 23. . Moreover, since the female side fitting part 24 is attached to the outer surface 12a of the plane part 12, it can also suppress that the content penetrates into the recessed part 24c. Therefore, even if the bag body 1 contains powdery contents or contents that generate powdery debris, the bag body 10 is stably opened with the male side fitting portion 23 after opening the bag body 10 once. The female side fitting portion 24 can be fitted to close the opening.

  In addition, the bag body with a fitting tool of the present invention is not limited to the bag body 1. For example, even if it is a bag body with a fitting tool in which the female side fitting part is attached to the surface 13a on the flat part 12 side of the extending part 13 and the male side fitting part is attached to the outer surface 12a of the flat part 12. Good. However, the bag body 1 in which the male side fitting portion 23 is attached to the surface 13a of the extending portion 13 on the flat surface portion 12 side is preferable to the bag body with the fitting tool. Compared with the outer surface 12a of the flat part 12, the surface 13a on the flat part 12 side of the extension part 13 is more likely to come into contact with the contents. It is because it is better to attach the male side fitting part 23 which is hard to enter.

  Moreover, in the bag body 1, the male side fitting part 23 and the female side fitting part 24 were provided in the base materials 21 and 22, and these base materials 21 and 22 were attached to the extension part 13 and the plane part 12. However, in the bag body with a fitting tool of the present invention, the male side fitting portion and the female side fitting portion are formed on the surface 13a on the flat surface portion 12 side of the extending portion 13 and the outer surface 12a of the flat surface portion 12. It may be provided integrally.

  Further, in the bag body 1, the bag body 10 is in a sealed state in advance and is opened with the cut tape 15 to form the opening 18. However, the upper portion of the bag body is not sealed, and the male side fitting portion The bag body with a fitting tool closed only by fitting of the female side fitting portion may be used. However, since the contents can be prevented from adhering to the male fitting part or entering the concave part of the female fitting part during distribution, the bag body 10 is sealed. Body 1 is preferred.

DESCRIPTION OF SYMBOLS 1 Bag body with fitting tool 10 Bag main body 11 One plane part 12 The other plane part 12a The outer surface of the other plane part 12b The inner surface of the other plane part 13 Extension part 13a The surface of the other plane part side of the extension part DESCRIPTION OF SYMBOLS 15 Cut tape 20 Fitting tool 21, 22 Base material 23 Male side fitting part 24 Female side fitting part

Claims (3)

A bag body containing the contents, having a pair of flat portions;
An extending portion having the same width as the planar portion extending from the upper end of one planar portion of the bag body;
A male side fitting of a ridge provided on each of the outer surface of the other flat portion of the bag body and the surface on the other flat portion side of the extending portion from one edge in the width direction to the other edge. A fitting having a mating part and a female-side fitting part detachably fitted to the male-side fitting part;
The bag body with a fitting which comprises. The upper portions of the pair of flat portions are bonded to seal the bag body,
The fitting according to claim 1, wherein a cut tape for assisting in opening the bag body is attached to an inner surface of the other planar portion, which is above an engaging portion provided on an outer surface of the other planar portion. Bag with mix.   The bag body with a fitting tool according to claim 1 or 2, wherein the male side fitting portion is provided on a surface of the extending portion on the other plane portion side.

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