Patent · US Expired

Method of producing a vehicle steering wheel

US6833093B2 · kind B2 · utility

0Cited by

4References

6Claims

0Family size

Assignee

TRW AUTOMOTIVE SAFETY SYSTEMS GMBH · DE

Inventors

Christian Lorenz · Hamburg, DE
Udo Bieber · Niedernberg, DE
Martin Kreuzer · Kleinwallstadt, DE

Key dates

Filing date	Oct 15, 2002
Grant date	Dec 21, 2004
Priority date	—
Expiry date	Feb 22, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/3047
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method of producing a vehicle steering wheel including a steering wheel rim comprises the following steps: A foaming mold with a top part and a bottom part is used; two different foam components, namely, a central carrier component as well as a soft component surrounding the latter, are injected into the bottom part which is not closed by the top part; the foaming mold is closed by closing the bottom part with the top part, and; the foaming mold is heated.

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