Packaging bag with zipper tape, device and method for manufacturing packaging bag, and band-like member for bending
A manufacturing method and technology of a manufacturing device, which are applied to packaging material feeding devices, multiple packages, and envelope/bag manufacturing machines, etc., can solve the problem that the male member and the female member cannot be accurately occluded and pasted.
Inactive Publication Date: 2014-06-04
IDEMITSU UNITECH CO LTD
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AI Technical Summary
Problems solved by technology
[0008] However, in the structures described in Patent Documents 1 and 2, when the male member and the female member are attached to a single base film constituting the packaging bag, it is sometimes difficult to attach them while aligning them with good accuracy.
In this way, if the precise alignment cannot be performed, there will be a problem that the male member and the female member will not engage with high precision.
Method used
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Embodiment Construction
[0096] Hereinafter, various embodiments of the present invention will be described based on the drawings.
[0097] In this embodiment, a packaging bag for packaging various items such as food, medicine, medical supplies, and miscellaneous goods will be described as an example of a packaging bag with a zipper belt (hereinafter simply referred to as a "packaging bag").
[0098] [First Embodiment]
[0099] [Structure of the packing bag]
[0100] figure 1 It is a front view which shows the packaging bag of 1st Embodiment. figure 2 It is a sectional view showing the packaging bag of the first embodiment.
[0101] Such as figure 1 , 2 As shown, in the packaging bag 1 , a male belt-shaped member 21 having a male-side engaging portion 211 and a female-side belt-shaped member 22 having a female-side engaging portion 221 are bonded side by side on a sheet of base film 10 . The zipper belt 20 is constituted by a male-side belt-shaped member 21 and a female-side belt-shaped member ...
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Abstract
A packaging bag (1) includes a male belt-like base edge (214) and a female belt-like base edge (224) which are abutted on each other. Accordingly, a base material film (10) is bent between the male belt-like base edge (214) and the female belt-like base edge (224), thereby reliably engaging a male engagement portion (211) with a female engagement portion (221). According to a manufacturing device of the packaging bag, since a male belt-like member (21) and a female belt-like member (22) are bonded to a sheet of base material tape while the male belt-like base edge (214) and the female belt-like base edge (224) are substantially abutted on each other by first and second grooves, an adhesion operation can be conducted with accuracy.
Description
technical field [0001] The present invention relates to a packing bag with a buckle tape, a manufacturing device and a manufacturing method of the packing bag, and a belt-shaped member for bending. Background technique [0002] In many fields such as food, medical supplies, and sundries, bags with buckle straps are used. As the zipper, there is known a zipper composed of a male belt-shaped member and a female-side belt-shaped member in an opening portion of a packaging bag (see Patent Documents 1 and 2). [0003] Patent Document 1 discloses a method and apparatus for manufacturing a bag with snap fittings using a rotary cylinder mechanism. In this manufacturing method, it is disclosed that the male member and the female member are respectively pasted on one tape. [0004] Patent Document 2 discloses a sealing device for a tape with a zipper tape, in which a male member and a female member are separately attached to a base film. [0005] Patent Document 1: Japanese Patent ...
Claims
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IPC IPC(8): B65D33/25B31B37/26B31B37/60B31B37/74
CPCB31B2219/9019B65B9/2042B65B9/20B31B19/90B65B9/207B65B61/188B65B41/16B65D33/2541B65D33/2558B31B70/8132Y10T428/28B31B2160/20
Inventor 后藤修一
Owner IDEMITSU UNITECH CO LTD