Patent · US Expired

Piston for a piston-cylinder arrangement, in particular a shock absorber piston

US7178237B2 · kind B2 · utility

4Cited by

1References

6Claims

0Family size

Assignee

GKN Sinter Metals, LLC · DE

Inventors

Antonio Casellas · Siegburg, DE
Ewald May · Bonn, DE

Key dates

Filing date	Nov 15, 2004
Grant date	Feb 20, 2007
Priority date	—
Expiry date	Nov 15, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49261
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.