Patent · US Expired

Thermoplastic elastomer rolled bellows

US6426033B1 · kind B1 · utility

4Cited by

4References

4Claims

0Family size

Assignee

GKN Automotive Limited · DE

Inventors

Joachim Wette · Hennef (Sieg), DE
Karl-Heinz Muller · Wissen, DE
Thomas Schafferus · Rheinberg, DE

Key dates

Filing date	Nov 19, 1999
Grant date	Jul 30, 2002
Priority date	—
Expiry date	Nov 19, 2019

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D3/2057
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A rolling boot for sealing a universal joint, having a first collar with a larger diameter to be secured to the outer joint part of the universal joint and having a second collar with a smaller diameter to be secured to a shaft at the inner joint part of the universal joint, and having a semi-toroidal boot wall connecting the collars, wherein the rolling boot is an injection-moulded or blow-moulded product, the rolling boot consists of a thermo-plastic elastomer and the elastomer is irreversibly cross-linked up to a degree ranging between 15 and 85%.

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