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Title:
TUBE
Document Type and Number:
WIPO Patent Application WO/2022/004893
Kind Code:
A1
Abstract:
The present invention relates to a tube having one or more layers made of polytetrafluoroethylene, and addresses the problem of providing a tube having controlled flexibility while maintaining high mechanical strength. The problem can be suitably solved by a tube having one or more layers formed by winding a PTFE film in a helical shape. The tube has an endothermic peak in the range of 380°C ± 10°C when heated during DSC measurement. In one or more of the layers, the number of turns per 10 mm length in the longitudinal direction is not uniform.

Inventors:
TANABE SUGURU (JP)
YAMADA NAOYA (JP)
Application Number:
PCT/JP2021/025225
Publication Date:
January 06, 2022
Filing Date:
July 02, 2021
Export Citation:
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Assignee:
JUNKOSHA INC (JP)
International Classes:
A61M25/00; F16L11/04; F16L11/24
Foreign References:
US20120310326A12012-12-06
JPH09501759A1997-02-18
JPH071630A1995-01-06
JP2012136020A2012-07-19
JP2019130880A2019-08-08
JP2007125694A2007-05-24
JP2000316977A2000-11-21
JP2013176583A2013-09-09
JP2004340364A2004-12-02
JP6244490B12017-12-06
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