PISTON RING
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
May 13, 2010
app pub date -
Jan 30, 2008
filing date -
Feb 17, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A piston ring, having a base body, which comprises a substantially circumferential running surface, which has an upper and a lower flank surface, an inner circumferential surface, and a butt opening provided with defined butt clearance, wherein the transition of the running surface butt edge into the respective butt surface is configured as a sharp edge, and the running surface is provide with at least one PVD cover layer ≦10 μm at least up to the respective running surface butt edge.
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