Title:
Tube fitting
Document Type and Number:
Japanese Patent JP5988822
Kind Code:
B2
Abstract:
A pipe joint includes first and second joint members having fluid channels communicating with each other, an annular gasket to be interposed between abutting end surfaces of the both joint members, and a nut configured to couple the joint members. The nut is provided with an inner surface treated layer. The inner surface treated layer includes a Co (cobalt)-P (phosphorous) alloy metal coating provided on an inner surface of the nut and a fluorine coating provided on the surface of the alloy metal coating.
Inventors:
Yoshiyuki Okabe
Moriya Shuji
Kenichi Sato
Tomohiro Nakata
Tsutomu Shinohara
Michio Yamaji
Moriya Shuji
Kenichi Sato
Tomohiro Nakata
Tsutomu Shinohara
Michio Yamaji
Application Number:
JP2012231615A
Publication Date:
September 07, 2016
Filing Date:
October 19, 2012
Export Citation:
Assignee:
Fujikin Co., Ltd.
International Classes:
F16L19/03
Domestic Patent References:
| JP8338574A | ||||
| JP201096329A | ||||
| JP2003322127A | ||||
| JP1019092A | ||||
| JP200746678A | ||||
| JP11280967A | ||||
| JP754165A | ||||
| JP200374766A |
Foreign References:
| WO2008120788A1 |
Attorney, Agent or Firm:
Akira Watanabe
Matsumura Naoto
Einosuke Kishimoto
Matsumura Naoto
Einosuke Kishimoto