Piston ring having wear resistant composition

Details Piston ring having wear resistant composition Piston ring having wear resistant composition

2006-05-30

2006-05-30

Pickard, Alison K. (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

C277S440000, C277S443000, C428S698000

Reexamination Certificate

active

07052018

ABSTRACT:
The invention discloses a piston ring comprising a piston ring substrate. The piston ring substrate comprises at least 50 volume %, of at least one intermetallic alloy, based on the total volume of the wear-resistant composition. The invention further relates to a piston ring comprising a wear-resistant composite composition and a piston ring coating comprising a wear-resistant composition, the wear-resistant composite composition comprising a ceramic compound.

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