The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2007
Filed:
Nov. 15, 2004
Applicants:
Antonio Casellas, Siegburg, DE;
Ewald May, Bonn, DE;
Inventors:
Antonio Casellas, Siegburg, DE;
Ewald May, Bonn, DE;
Assignee:
GKN Sinter Metals GmbH, Radevormwald, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 19/00 (2006.01); B23P 15/00 (2006.01);
U.S. Cl.
CPC ...
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.