Piston ring having hard multi-layer coating

Details Piston ring having hard multi-layer coating Piston ring having hard multi-layer coating

2006-03-01

2011-10-11

Turner, Archene (Department: 1784)

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

C427S577000, C428S212000, C428S408000, C428S698000

Reexamination Certificate

active

08033550

ABSTRACT:
A piston ring (22) is covered at least partially with a layered structure (30). The layered structure (30) comprises: —a first intermediate layer (32) comprising at least one element of group IVB, group VB or group VIB; —a second intermediate layer (34) deposited on top of the first intermediate layer (32) and comprising a diamond-like nanocomposite composition; —a diamond-like carbon layer (36) deposited on top of the second intermediate layer (34).

REFERENCES:
patent: 5743535 (1998-04-01), Hodgins
patent: 6139022 (2000-10-01), Iwashita et al.
patent: 6142481 (2000-11-01), Iwashita et al.
patent: 6228471 (2001-05-01), Neerinck et al.
patent: 6279913 (2001-08-01), Iwashita et al.
patent: 6325385 (2001-12-01), Iwashita et al.
patent: 7160616 (2007-01-01), Massler et al.
patent: 2006/0182895 (2006-08-01), Denul et al.
patent: 3702242 (1987-09-01), None
patent: 296 05 666 (1996-05-01), None
patent: 0 856 592 (1998-08-01), None
patent: 0 963 455 (1999-12-01), None
patent: 0 988 406 (2000-03-01), None
patent: 0 905 420 (2003-05-01), None
patent: 05-179451 (1993-07-01), None
patent: 00-75396 (2000-12-01), None
patent: 2004-088113 (2004-10-01), None
patent: WO 2005/014882 (2005-02-01), None
patent: WO 2005/054539 (2005-06-01), None

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