Patent · US Expired

Process for producing a motor vehicle body part in a sandwich construction

US6378208B1 · kind B1 · utility

3Cited by

6References

10Claims

0Family size

Assignee

Webasto Vehicle Systems International GmbH · DE

Inventors

Michael Kolbl · Schwanau, DE
Francois De Gaillard · Fontenay-le-Comte, FR

Key dates

Filing date	Nov 16, 2000
Grant date	Apr 30, 2002
Priority date	—
Expiry date	Nov 16, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49984
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for producing a motor vehicle body part, especially a motor vehicle roof, which is built in a sandwich construction having layers including an outside shell (10) made of a foam material having an outside skin, and an inside shell (11) that is a prefabricated component. Initially, the foam material is placed into a first mold half (16) of a mold tool, the foam material being applied to the shaped outer skin which is placed in the second mold half (17) of the mold tool. Next, the two mold halves (16, 17) are closed and the foam material is allowed to cure at an elevated temperature.

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