JP6186614B2 - Fitting tool and bag with fitting tool - Google Patents

Description

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

As a bag body for storing food, medicine, miscellaneous goods, etc., a bag main body for storing contents, and a fitting tool attached to an inner surface in the vicinity of the opening of the bag main body so as to be able to open and close the opening. And the bag body with a fitting tool which comprises these is widely used.
As a fitting tool, for example, a first fitting member having a belt-like base material and a male fitting portion provided along the longitudinal direction of the base material, a belt-like base material, and the base material There is a fitting tool having a second fitting member having a female fitting portion provided along the longitudinal direction (for example, Patent Document 1). In the fitting tool, the male fitting portion and the female fitting portion can be detachably fitted. A base material of the first fitting member is attached to one inner surface facing in the vicinity of the opening of the bag body, and a base material of the second fitting member is attached to the other inner surface. By opening and closing the joint, the opening and closing of the opening of the bag body can be repeated.

  In such a bag with a fitting tool, it may be difficult to open the opening with the fitting tool. Specifically, when opening the opening with the fitting tool, the opening end of the bag body on the side where the first fitting member is attached and the opening on the side where the second fitting member is attached. The male fitting part is detached from the female fitting part and opened by gripping the ends and pulling the respective opening ends so as to be separated from each other. However, in a state where the male fitting portion and the female fitting portion of the fitting tool are fitted and the opening portion is closed, the opposed opening ends of the bag body are likely to be in close contact with each other. It is difficult to grip the edge. Therefore, it may take time to open the bag.

JP 2003-160147 A

  The present invention provides a fitting that can easily open the opening of the bag body closed by the fitting, and a bag with a fitting that includes the fitting.

The fitting tool of the present invention has a pair of band-shaped first fitting members and a second fitting member, and the first fitting member includes a band-shaped first base material and the first fitting member. And a first fitting portion provided along the longitudinal direction of the base material , wherein one or both of the first slit portion and the second slit portion are formed, and the first slit The portion is formed linearly between the first fitting portion and the first side edge of the first base so as to be along the longitudinal direction of the first base, and the first base The width of the slit portion is 0.1 to 20.0 mm, and the distance between the edge on the first fitting portion side of the first slit portion and the central axis of the first fitting portion is 0.00. a 5～40.0Mm, the second slit portion, in the longitudinal direction of the second base member between said second fitting portion and the first side edge of said second substrate Along Is formed in a linear shape, the width of the second slit portion are 0.1～20.0Mm, and said second fitting portion side edge of the second slit portion, said second fitting The distance from the central axis of the part is 0.5 to 40.0 mm .

In fitting tool of the present invention, it is preferable that both of the first slit portion and the second slit portions are formed.

  The bag body with a fitting tool of the present invention comprises a bag main body for storing contents, and the fitting tool of the present invention attached to the inner surface of the bag main body, wherein the fitting tool is the first fitting. The first side edge of the base material and the first side edge of the second base material are attached so as to be on the opening side formed in the bag body.

If the fitting tool of this invention is used, the opening part of the bag main body closed with the fitting tool can be opened easily.
The bag body with a fitting tool of the present invention can easily open the opening of the bag body closed by the fitting tool.

It is the perspective view which showed an example of the fitting tool of this invention. It is AA sectional drawing of the fitting tool of FIG. It is the expanded sectional view which expanded the fitting part and slit part vicinity of the fitting tool of FIG. It is the front view which showed an example of the bag body with a fitting tool of this invention. It is BB sectional drawing of the bag body with a fitting tool of FIG. It is the perspective view which showed a mode that the bag body with a fitting tool of FIG. 4 was opened and the opening part was formed. It is sectional drawing which showed a mode that the opening part of the bag body with a fitting tool of FIG. 6 was closed with the fitting tool.

<Fitting tool>
Hereinafter, an example of the fitting tool of the present invention will be shown and described in detail.
As shown in FIGS. 1 and 2, the fitting 10 has a pair of strip-like first fitting members 12 and second fitting members 14.
The first fitting member 12 includes a band-shaped first base material 16 and a first fitting portion 18 of a protrusion provided on the facing surface 16a of the first base material 16 along the longitudinal direction. Have. The second fitting member 14 is provided along the longitudinal direction on the belt-like second base material 20 and the opposing surface 20a of the second base material 20, and is detachably fitted to the first fitting portion 18. And a second fitting portion 22 to be joined.
When the fitting 10 is attached to the bag body, the first side edge 16b of the first base material 16 and the first side edge 20b of the second base material 20 are the opening side of the bag body, the first side edge 16b. The second side edge 16c of the base material 16 and the second side edge 20c of the second base material 20 are attached so as to be the bottom side of the bag body.

It does not specifically limit as the 1st base material 16, What is used for the base material of a well-known fitting tool can be used, The base material which consists of laminated films is preferable. Examples of the first base material 16 made of a laminated film include a film in which a heat-resistant layer and a heat seal layer are laminated from the facing surface 16a side. Moreover, the 1st base material 16 may have a barrier layer between a heat resistant layer and a heat seal layer.
Examples of the material for the heat-resistant layer include biaxially stretched nylon and biaxially stretched polypropylene.
Examples of the material for the heat seal layer include linear low density polyethylene, unstretched polypropylene, ethylene-vinyl acetate copolymer, and ionomer.
Examples of the material for the barrier layer include polyvinyl alcohol.

The 1st base material 16 may consist of 1 type of resin, and may consist of the resin composition containing 2 or more types of resin. Further, the first base material 16 may be added with known additives such as a stabilizer, an antioxidant, a lubricant, an antistatic agent, and a colorant as necessary.
Moreover, the 1st base material 16 is not limited to the base material consisting of a laminated film, The base material consisting of a single layer film may be sufficient.
As the 2nd base material 20, the same base material as the 1st base material 16 is mentioned, and a desirable mode is also the same.

The first fitting portion 18 is provided on the facing surface 16 a of the first base material 16 along the longitudinal direction of the first base material 16. As shown in FIGS. 2 and 3, the first fitting portion 18 is provided at the trunk portion 18 a rising from the facing surface 16 a of the first base material 16 and the distal end portion of the trunk portion 18 a, and has a larger cross section than the trunk portion 18 a. This is a male fitting portion having a substantially semicircular head 18b.
The second fitting portion 22 is provided on the facing surface 20 a of the second base material 20 along the longitudinal direction of the second base material 20. As shown in FIGS. 2 and 3, the second base material 20 includes a first arm portion 22 a and a second arm portion 22 b that rise from an opposing surface 20 a of the second base material 20 in a circular arc shape, It is a female fitting part in which a recess 22c is formed by the first arm part 22a and the second arm part 22b.
The first fitting portion 18 and the second fitting portion 22 are detachably fitted by fitting the head portion 18b of the first fitting portion 18 into the recess 22c of the second fitting portion 22. It can be done.

The cross-sectional shapes of the first fitting portion 18 and the second fitting portion 22 are such that the opening of the bag body can be opened and closed by attaching and detaching the first fitting portion 18 and the second fitting portion 22 to each other. Any known cross-sectional shape may be employed as long as it can be repeated.
As the material of the first fitting portion 18 and the second fitting portion 22, the same material as that of the first base material 16 and the first fitting portion 18 can be used.

  As shown in FIGS. 1 to 3, the first base material 16 has a linear shape along the longitudinal direction of the first base material 16 between the first fitting portion 18 and the first side edge 16 b. The first slit portion 24 is formed. By forming the first slit portion 24, the first base material 16 is easily bent at the portion of the first slit portion 24. Therefore, even when the first fitting portion 18 and the second fitting portion 22 are fitted, the first side edge 16b side is easier to open than the first slit portion 24 in the first base member 16. Thereby, in the bag body to which the fitting tool 10 is attached so that the first side edge 16b of the first base member 16 is located on the opening side of the bag body, the first fitting portion 18 and the second fitting are attached. Even in the state where the joint portion 22 is fitted and the opening portion is closed, the opening end of the bag body on the side to which the first fitting member 12 is attached is easily bent and opened together with the first base material 16, It becomes easy to grasp and open the bag.

The 1st slit part 24 may be continuously formed in the longitudinal direction of the 1st base material 16, and may be intermittently formed in the shape of a broken line. In this example, the first slit portion 24 is intermittently formed in a broken line shape along the longitudinal direction of the first base material 16.
From the point that the first side edge 16b side is easier to open than the first slit portion 24 in the first base material 16 in a state where the first fitting portion 18 and the second fitting portion 22 are fitted. The first slit portion 24 is preferably formed over the entire length of the first base material 16 in the longitudinal direction.

The distance d ₁ (FIG. 3) between the first slit portion 24 and the first fitting portion 18 is preferably 0.5 to 40.0 mm, and more preferably 1.0 to 20.0 mm. As the distance d ₁ is larger, it is easy to form the first slit portion 24. The greater the distance d ₁ is small, the first fitting member 12 easily opens larger opening end side fitted with the bag body, the opening operation easier.
Note that the distance d ₁ between the first slit portion 24 and the first fitting portion 18 is the edge of the first slit portion 24 on the first fitting portion 18 side and the first fitting portion 18. Means the distance from the central axis L.

The width d ₂ (FIG. 3) of the first slit portion 24 is preferably 0.1 to 20.0 mm, and more preferably 0.5 to 10.0 mm. If the first slit portion 24 width d ₂ is less than the lower limit, the first fitting member 12 easily opens more opening end of the mounting side of the bag body, work becomes easier opening. If the width d ₂ of the first slit portion 24 is less than the upper limit, handling property of the first fitting member 12 becomes better, so the fitment 10 can be easily attached to the bag body.

  In the second base material 20, a linear second slit portion 26 is formed between the second fitting portion 22 and the first side edge 20 b along the longitudinal direction of the second base material 20. Has been. By forming the second slit portion 26, the second base material 20 is easily bent at the portion of the second slit portion 26. Therefore, even when the first fitting portion 18 and the second fitting portion 22 are fitted, the first side edge 20b side is easier to open than the second slit portion 26 in the second base material 20. Thereby, in the bag body to which the fitting tool 10 is attached so that the first side edge 20b of the second base material 20 is on the opening side of the bag body, the first fitting portion 18 and the second fitting are attached. Even in the state in which the joint portion 22 is fitted and the opening portion is closed, the opening end of the bag body on the side where the second fitting member 14 is attached is easily bent and opened together with the second base member 20, It becomes easy to grasp and open the bag.

The 2nd slit part 26 may be continuously formed in the longitudinal direction of the 2nd base material 20, and may be intermittently formed in the shape of a broken line. In this example, the second slit portion 26 is intermittently formed in a broken line shape along the longitudinal direction of the second base material 20.
From the point that the first side edge 20b side is easier to open than the second slit portion 26 in the second base material 20 in a state in which the first fitting portion 18 and the second fitting portion 22 are fitted. The second slit portion 26 is preferably formed over the entire length of the second base material 20 in the longitudinal direction.

The distance d ₃ (FIG. 3) between the second slit portion 26 and the second fitting portion 22 is preferably 0.5 to 40.0 mm, and more preferably 1.0 to 20.0 mm. The distance d as ₃ larger, it is easy to form the second slit portion 26. Said distance as d ₃ is small, easily opens larger open end side fitted with a second fitting member 14 in the bag body, the opening operation easier.
The distance d ₃ between the second slit portion 26 and the second fitting portion 22 is the second fitting portion 22 side edge of the second slit portion 26 and the second fitting portion 22. Means the distance from the central axis L.

The width d ₄ (FIG. 3) of the second slit portion 26 is preferably 0.1 to 20.0 mm, and more preferably 0.5 to 10.0 mm. If the second slit portion 26 width d ₄ is less than the lower limit, the second fitting member 14 becomes the easy open more the open end of the mounting side of the bag body, work becomes easier opening. If more than the upper limit width d ₄ of the second slit portion 26, the handling of the second fitting member 14 becomes better, so the fitment 10 can be easily attached to the bag body.

  The position in the width direction of the first slit portion 24 in the first base material 16 and the position in the width direction of the second slit portion 26 in the second base material 20 may be the same or different. Also good. The position in the width direction of the first slit portion 24 in the first base material 16 and the position in the width direction of the second slit portion 26 in the second base material 20 are the same in that the opening operation becomes easier. It is preferable that

(Production method)
The manufacturing method of the fitting 10 is not particularly limited. For example, after forming a band-like fitting member having a base material and a fitting portion by extrusion molding, a slit portion is formed using a laser, a cutter, or the like. Methods and the like.

(Function and effect)
In the fitting tool 10 described above, the first slit portion 24 is formed between the first fitting portion 18 and the first side edge 16b in the first base material 16, and the second Since the second slit portion 26 is formed between the second fitting portion 22 and the first side edge 20b in the base material 20, the first fitting portion 18 and the second fitting portion. Even if 22 is fitted, the first side edge 16b side of the first base member 16 and the first side edge 20b side of the second base member 20 are easily bent and opened. Therefore, when opening the opening of the bag main body to which the fitting tool 10 is attached, the opening end of the bag main body is easily bent and opened together with the first base material 16 and the second base material 20, and the opening end is gripped. It is easy to open.

The fitting tool of the present invention is not limited to the fitting tool 10 described above.
For example, the fitting tool in which the slit portion is formed only in either the first base material or the second base material may be used. Also in the fitting tool, the opening end of the bag body on the side to which the fitting member having the base material on which the slit portion is formed is easily opened, so that the opening operation is facilitated. As the fitting tool of the present invention, the first base material and the second base material, like the fitting tool 10, from the point that the opening operation of the opening of the bag body closed by the fitting tool becomes easier. The fitting tool in which the slit part is formed in both is preferable.

  Further, the first fitting portion and the second fitting portion are each a fitting portion composed of a plurality of male fitting portions, and two male fittings facing the heads of the respective male fitting portions. It is good also as a fitting tool which opens and closes the opening part of a bag main body by mutually fitting so that it may each insert between parts. Further, each of the first fitting portion and the second fitting portion is one or more female fitting portions, and the opening portions of the bag body are opened and closed by fitting the female fitting portions to each other. It is good also as a fitting tool.

<Bag with fittings>
Hereinafter, as an example of a bag body with a fitting tool of the present invention, a bag body with a fitting tool 1 (hereinafter referred to as “bag body 1”) provided with the fitting tool 10 described above will be described.
As shown in FIG. 4, the bag body 1 of the present embodiment has a sealed bag body 30 that contains the contents, and a fitting that is attached to the inner surface of the upper part in the bag body 30 along the lateral direction. The combination 10 is provided.

  The bag body 30 is formed by superimposing the first film material 32 and the second film material 34 and heat-sealing all the peripheral portions 36 thereof, and is in a sealed state. Moreover, the cutting auxiliary line 38 is provided in the bag main body 30 above the fitting tool 10 along the horizontal direction, and the notch 40 is formed in the edge part.

  As shown in FIG. 5, the outer surface 16 d of the first base material 16 of the fitting tool 10 is welded to the first film material 32 of the bag body 30, so that the fitting tool 10 has a second fitting tool 10. The outer surface 20 d of the base material 20 is welded to the second film material 34 of the bag body 30. In addition, in the fitting 10, the first side edge 16 b of the first base material 16 and the first side edge 20 b of the second base material 20 are on the opening side, and the second side of the first base material 16 is the second side. The side edge 16c and the second side edge 20c of the second substrate 20 are attached so as to be on the bottom side.

  The shape of the bag body 30 is a rectangle in this embodiment. However, the shape of the bag body 30 is not limited to a rectangle. Further, the size of the bag body 30 is not particularly limited, and may be appropriately selected depending on the contents accommodated in the bag body 30.

The 1st film material 32 and the 2nd film material 34 which form the bag main body 30 should just be what can weld the fitting 10 by heat seal, and are the lamination | stacking which has a sealant layer and a base material layer at least from an inner surface side. A film is preferred.
Examples of the material for the base material layer include biaxially stretched nylon and biaxially stretched polypropylene.
Examples of the material for the sealant layer include linear low density polyethylene, unstretched polypropylene, ethylene-vinyl acetate copolymer, and ionomer.
The laminated film may be provided with a functional layer such as a barrier layer.
Moreover, the 1st film material 32 and the 2nd film material 34 may be a single layer film which consists only of a sealant layer.

The cutting auxiliary line 38 is a line that assists in cutting and opening the upper portion of the bag body 30 relative to the fitting 10. As the cutting auxiliary line 38, for example, from a weakened line or a perforation in which the portion of the cutting auxiliary line 38 in the first film material 32 and the second film material 34 of the bag body 30 is thinner than the other parts. And weakening lines composed of pores formed in a row. Further, the cutting auxiliary line 38 is not limited to the weakening line, and may be a line formed by printing or the like indicating a position to be cut with a scissor or a cutter.
Although the cutting auxiliary line 38 is formed along the lateral direction of the bag main body 30 in the present embodiment, the cutting auxiliary line 38 is not limited to this form, and may be provided inclined with respect to the width direction of the bag main body 30. Good.

The shape of the notch 40 is a triangular shape in this example, but is not particularly limited, and may be a semicircular shape, a linear shape, or the like.
The bag body 1 can be manufactured by a known method except that the fitting 10 is used.

(Function and effect)
The bag body 1 can be opened by forming an opening 42 in the upper portion as shown in FIG. 6 by cutting and removing the upper portion of the bag body 30 along the auxiliary cutting line 38 from the notch 40. . The opening 42 formed in the bag body 1 can be opened and closed repeatedly by attaching and detaching the first fitting portion 18 and the second fitting portion 22 of the fitting 10.
In the bag body 1, since the fitting tool 10 is used, the first base member 16 is easily bent at the first slit portion 24 as shown in FIG. 7. Therefore, even in a state in which the first fitting portion 18 and the second fitting portion 22 are fitted together, the first side edge 16b side rather than the first slit portion 24 in the first base material 16 can be used together with the bag. The opening end 32a of the first film material 32 in the main body 30 is easily bent and opened. Further, the second base material 20 is easily bent at the second slit portion 26. Therefore, even in a state in which the first fitting portion 18 and the second fitting portion 22 are fitted together, the first side edge 20b side rather than the second slit portion 26 in the second base material 20 can be used as a bag. The opening end 34a of the second film material 34 in the main body 30 is easily bent and opened. From the above, in the bag body 1, the opening end 32 a and the opening end 34 a of the bag main body are respectively gripped and pulled, and the first fitting portion 18 is detached from the second fitting portion 22 to be fitted. It is easy to open the opening 42 closed by the combination tool 10.

In addition, the bag body with a fitting tool of this invention is not limited to the bag body 1 mentioned above.
For example, the bag body with a fitting tool of the present invention may be a bag body with a fitting tool that includes the fitting tool of the present invention other than the fitting tool 10 as described above.
Moreover, the bag main body of a bag body with a fitting tool is not specifically limited, The bag main body of various forms known as a bag main body of a bag body with a fitting tool is employable. For example, the bag 1 is a sealed bag until it is opened using the cutting auxiliary line 38, but it may be a bag with a fitting having a bag body in which an opening is formed in advance. .

DESCRIPTION OF SYMBOLS 1 Bag body with fitting tool 10 Fitting tool 12 1st fitting member 14 2nd fitting member 16 1st base material 16b 1st side edge 18 1st fitting part 20 2nd base material 20b 1st side edge 22 2nd fitting part 24 1st slit part 26 2nd slit part 30 Bag main body 42 Opening part

Claims (3)

Having a pair of strip-like first fitting member and second fitting member;
The first fitting member has a strip-shaped first base material, and a first fitting portion provided on the first base material along the longitudinal direction,
The second fitting member is provided in a belt-like second base material and the second base material along the longitudinal direction, and is detachably fitted to the first fitting portion. A fitting portion,
Either one or both of the first slit portion and the second slit portion are formed,
The first slit portion is linearly formed between the first fitting portion and the first side edge of the first base so as to be along the longitudinal direction of the first base. ,
The width | variety of the said 1st slit part is 0.1-20.0 mm, The edge by the side of the said 1st fitting part of the said 1st slit part, and the central axis of the said 1st fitting part The distance is 0.5-40.0 mm,
Said second slit portion are formed in a straight line along the longitudinal direction of the second base member between said second fitting portion and the first side edge of said second substrate ,
The width | variety of the said 2nd slit part is 0.1-20.0 mm, The edge by the side of the said 2nd fitting part of the said 2nd slit part, and the central axis of the said 2nd fitting part The fitting tool whose distance is 0.5-40.0 mm. The first both said second slit portion and the slit portion is formed, fitment of claim 1. A bag main body for storing contents, and the fitting according to claim 1 or 2 attached to the inner surface of the bag main body,
The fitting tool is attached so that the first side edge of the first base material and the first side edge of the second base material are on the opening side formed in the bag body. , Bag with fittings.

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