Title:
ZIPPER STRAP STRUCTURE, PACKAGING BAG COMPRISING ZIPPER STRAP STRUCTURE, AND METHOD FOR MANUFACTURING ZIPPER STRAP STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/033234
Kind Code:
A1
Abstract:
Provided are a zipper strap structure, a packaging bag comprising the zipper strap structure, and a method for manufacturing the zipper strap structure. The zipper strap structure comprises: a first strap; a second strap positioned parallel to the first strap; a male coupling part; and a female coupling part. The male coupling part comprises: a pillar portion protruding from the first strap toward the second strap and extending along the length direction of the first strap; and a head portion having a pair of latching protrusions, which expand from the end of the pillar portion along the width direction of the first strap, extend in opposite directions from each other, and extend along the length direction of the first strap, and central dividing groove which is formed on the outer surface of the end between the latching protrusions to be depressively indented toward the pillar portion, and extends along the length direction of the first strap. The female coupling part comprises: a pair of wall body portions protruding from the second strap toward the first strap, extending along the length direction of the second strap, and disposed away from each other with an accommodation space, for accommodating the head portion, therebetween; and a pair of hook portions bent toward the accommodation space from the ends and extending along the length direction of the second strap so as to be latched to the latching protrusions.
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Inventors:
JUNG SANG KIL (KR)
CHO WON SANG (KR)
SHIM MOON SEOK (KR)
CHO WON SANG (KR)
SHIM MOON SEOK (KR)
Application Number:
PCT/KR2021/015100
Publication Date:
March 09, 2023
Filing Date:
October 26, 2021
Export Citation:
Assignee:
ZIPPIAN CO LTD (KR)
International Classes:
A44B19/16; A44B19/24; B29C48/03; B65D33/25; B29L5/00
Foreign References:
| JP2019025224A | 2019-02-21 | |||
| JP3225400U | 2020-03-05 | |||
| JPH0858811A | 1996-03-05 | |||
| US20120106875A1 | 2012-05-03 | |||
| KR200467452Y1 | 2013-06-14 | |||
| KR200487661Y1 | 2018-10-17 |
Attorney, Agent or Firm:
LEE, Seung-youl et al. (KR)
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