Piston

Details Piston Piston

2008-07-25

2011-12-06

Leslie, Michael (Department: 3745)

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

C092S155000

Reexamination Certificate

active

08069773

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.

REFERENCES:
patent: 3521531 (1970-07-01), Kaesemodel
patent: 2005/0087166 (2005-04-01), Rein et al.
patent: 4-88750 (1992-07-01), None
patent: 2001-182612 (2001-07-01), None
patent: 2005-320934 (2005-11-01), None

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