Patent · US Expired

Composite material

US6403505B1 · kind B1 · utility

17Cited by

12References

19Claims

0Family size

Assignee

Firma Carl Freudenberg · DE

Inventors

Dieter Groitzsch · Hirschberg, DE
Engelbert Locher · Kaiserslautern, DE
Bernhard Klein · Bear River, US

Key dates

Filing date	Feb 17, 1999
Grant date	Jun 11, 2002
Priority date	—
Expiry date	Feb 17, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/678
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A composite material, including a laminate (1) made of a film (5) bonded to a nonwoven (7), wherein the nonwoven (7) and the film (5) are only bonded together at discrete points and the laminate (1) is stretched in at least one direction after being formed.

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