Patent · US Expired

Spunbonded nonwoven made of endless fibers

US7326663B2 · kind B2 · utility

4Cited by

15References

23Claims

0Family size

Assignee

Fiberweb Corovin GmbH · DE

Inventors

Ralf Sodemann · Peine, DE
Michael Voges · Weener, DE

Key dates

Filing date	Feb 28, 2005
Grant date	Feb 5, 2008
Priority date	—
Expiry date	Feb 6, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/699
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

This invention relates to a spunbonded nonwoven made of thermoplastic material, which exhibits a filament diameter of less than 1.0 μm. The filaments are made from bursted fibers, whereby the filaments exhibit a length of at least five centimeters and are connected to one another at discrete points.

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