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Patent Searching and Data


Title:
SLIDING BEARING AND SPHERICAL SLIDING BEARING
Document Type and Number:
WIPO Patent Application WO/2019/188013
Kind Code:
A1
Abstract:
A sliding bearing (10) is made of pure titanium or a titanium alloy. The sliding bearing according to one aspect of the present invention has a diffusion layer (10f) containing oxygen in the form of solid solution, and a scale (10e) of a titanium oxide that comes into contact with the diffusion layer (10f) and constitutes a sliding surface. The thickness (T1) of the scale (10e) is 0.015 mm or less. The concentration of oxygen in the diffusion layer (10f) is 0.99 mass% or greater at a position distanced 0.1 mm from the sliding surface.

Inventors:
DAN, Takeshi (3066 Aza Oyumida, Oaza Higashikata, Kuwana-sh, Mie 78, 〒5118678, JP)
Application Number:
JP2019/008363
Publication Date:
October 03, 2019
Filing Date:
March 04, 2019
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16C33/12; F16C33/20
Foreign References:
JPS6466407A1989-03-13
JP2001227550A2001-08-24
JP2009228897A2009-10-08
JPH04131387A1992-05-06
JP2007255712A2007-10-04
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Festival Tower West, 2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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