Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2007-02-20
2007-02-20
Jimenez, Marc (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S888042, C029S888044
Reexamination Certificate
active
10988954
ABSTRACT:
The invention relates to a piston for a piston-cylinder arrangement, especially a shock absorber piston, comprising a piston body that is fitted with at least one peripheral web on its peripheral surface, wherein a collar-shaped sealing element made of thermoformable plastic material is also formed on the peripheral surface of the piston body in such a way that the web is only formed in part of the height of the material of the collar-shaped sealing element.
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Casellas Antonio
May Ewald
GKN Sinter Metals GmbH
Jimenez Marc
Woodcock & Washburn LLP
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