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Title:
FITTING TOOL AND FITTING-TOOL-EQUIPPED BAG BODY
Document Type and Number:
WIPO Patent Application WO/2023/189770
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a fitting tool in which interlayer separation is unlikely to occur and curling is suppressed; and a fitting-tool-equipped bag body that uses said fitting tool. The fitting tool comprises a male-side fitting member where a male-side fitting part is provided to a band-shaped first substrate, and a female-side fitting member where a female-side fitting part is provided to a band-shaped second substrate. The first substrate and the second substrate are each formed by stacking a main layer, an intermediate layer, and a seal layer from the fitting part side, and satisfy the following: (1) the main layer, the intermediate layer, and the seal layer contain at least one homogeneous resin; (2) the melting point TA (℃) of the main layer, the melting point TB (℃) of the intermediate layer, and the melting point TC (℃) of the seal layer satisfy the relationship TB>TA>TC; and (3) the thickness tA (μm) of the main layer, the thickness tB (μm) of the intermediate layer, and the thickness tC (μm) of the seal layer satisfy the relationship tB>tA>tC.

Inventors:
TANOUE NAOTO (JP)
TAKAGAWA SHIN (JP)
Application Number:
PCT/JP2023/010741
Publication Date:
October 05, 2023
Filing Date:
March 17, 2023
Export Citation:
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Assignee:
C I TAKIRON CORP (JP)
International Classes:
A44B19/16; B65D33/25
Domestic Patent References:
WO2016163487A12016-10-13
Foreign References:
JP2005178068A2005-07-07
EP0834454B12000-02-09
JP2002104440A2002-04-10
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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