Patent · US Expired

Interior covering with reinforcement

US4020207A · kind A · utility

47Cited by

8References

16Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Franz-Werner Alfter
Joachim Becke
Hans-Ulrich Breitscheidel · Siegburg, DE
Herbert Laubenberger · Troisdorf, DE

Key dates

Filing date	Dec 7, 1973
Grant date	Apr 26, 1977
Priority date	—
Expiry date	Dec 7, 1993

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24999
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

An interior covering for automotive vehicles, containers, or the like, which is insulating and optionally constructed to be self-supporting, comprising at least two sheets of polyethylene foam of identical or different density permanently bonded together with a reinforcing polymer-containing layer to form a multiple-layered structure.

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