Piston
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 6, 2011
Grant Date -
Jan 29, 2009
app pub date -
Jul 25, 2008
filing date -
Jul 26, 2007
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A piston is equipped with a skirt that has a sliding surface provided with an oil repellent resin layer. A solid lubricating resin layer and the oil repellent resin layer are exposed on the sliding surface. On the sliding surface, the oil repellent resin layer extends at an incline with respect to the centerline of the sliding surface in a circumferential direction of the piston.
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