Sliding member and production process thereof

Details Sliding member and production process thereof Sliding member and production process thereof

2004-08-06

2008-12-02

Turner, Archene (Department: 1794)

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

C277S310000, C277S434000, C277S440000, C427S249100, C427S577000, C428S212000, C428S408000, C508S291000, C508S487000

Reexamination Certificate

active

07458585

ABSTRACT:
There is provided a sliding member including a base body and a hard carbon coating formed on the base body to define a sliding surface for sliding contact with an opposing member under lubrication according to one embodiment of the present invention. The hard carbon coating has an outermost surface portion lower in hydrogen content than a remaining portion thereof, or an outermost coating layer lower in hydrogen content than at least one other coating layer.

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