ZIPPER TAPE, BAG, AND METHOD FOR PRODUCING BAG

Title:

ZIPPER TAPE, BAG, AND METHOD FOR PRODUCING BAG

Document Type and Number:

WIPO Patent Application WO/2017/119449

Kind Code:

A1

Abstract:

A zipper tape according to the present invention includes: a pair of strip-shaped base parts (21A, 22A) that can be joined to films (11A, 11B) constituting a bag body (10); and engaging parts (23) that are provided so as to be continuous with the strip-shaped base parts (21A, 22A) and that can be engaged with and disengaged from each other, wherein one of the strip-shaped base parts (21A, 22A) has at least two or more sections having different joining strengths with respect to the film (11B), on the surface opposite to the surface with which the engaging part (23) is continuously provided, between one end in the width direction, which is perpendicular to the longitudinal direction of the strip-shaped base parts (22A, 22B), and the engaging part (23), and the joining strength with respect to the film (11B) at one section (S1), among the two or more sections, can be greater than the joining strength with respect to the film (11B) at the other section (S2).

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Inventors:

TODAKA TAKUMI (JP)

Application Number:

PCT/JP2017/000146

Publication Date:

July 13, 2017

Filing Date:

January 05, 2017

Export Citation:

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Assignee:

IDEMITSU UNITECH CO LTD (JP)

International Classes:

A44B19/16; B65D33/25; B65D81/34

Domestic Patent References:

WO2006062136A1	2006-06-15
WO2011099516A1	2011-08-18

Foreign References:

JP2015151143A	2015-08-24
JP2006051987A	2006-02-23
JP2013046644A	2013-03-07

Other References: