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Patent Searching and Data


Title:
PIPING JOINT AND RESIN TUBE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2018/155187
Kind Code:
A1
Abstract:
Provided is a piping joint for connecting a resin tube to a connection pipe having a protrusion formed on the outer peripheral surface of the front end of the connection pipe. The piping joint is provided with: a housing press-fitted in the resin tube; and an elastically extendible and contractible seal member in which the connection pipe is inserted and which seals against the connection pipe. The housing has: a first housing section located at one end and having an outer peripheral surface press-fitted in the resin tube; and a second housing section located at the other end. The seal member has a first seal section inserted in the inner peripheral surface side of the second housing section.

Inventors:
OBA Fuminori (758, Konosu, Koga-sh, Ibaraki 41, 〒3060041, JP)
KAMAZUKA Ukyo (758, Konosu, Koga-sh, Ibaraki 41, 〒3060041, JP)
SHEN Junjie (758, Konosu, Koga-sh, Ibaraki 41, 〒3060041, JP)
YAMAGUCHI Masashi (758, Konosu, Koga-sh, Ibaraki 41, 〒3060041, JP)
Application Number:
JP2018/004235
Publication Date:
August 30, 2018
Filing Date:
February 07, 2018
Export Citation:
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Assignee:
SANOH INDUSTRIAL CO., LTD. (1-23-23 Ebisu, Shibuya-ku Tokyo, 13, 〒1500013, JP)
International Classes:
F16L37/04; F16L21/02
Foreign References:
DE4308367A11994-09-22
JP2007051678A2007-03-01
US2544764A1951-03-13
US4345783A1982-08-24
FR508967A1920-10-28
JP2007127265A2007-05-24
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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