Patent · US Expired

Tufted backing and method of manufacturing same

US7437807B2 · kind B2 · utility

0Cited by

9References

19Claims

0Family size

Assignee

Firma Carl Freusenberg KG · DE

Inventors

Rudolf Gartner · Birkenau, DE
Peter Sander · Hamburg, DE
Detlef Barbier · Waldfischbach-Burgalben, DE
Ulrike Maaβ · Kaiserslautern, DE
Engelbert Locher · Kaiserslautern, DE
Ararad Emirze · Kaiserslautern, DE
Klaus Klein · Rheinstetten, DE
Christine König · Rodenbach, DE

Key dates

Filing date	Feb 12, 2002
Grant date	Oct 21, 2008
Priority date	—
Expiry date	Jul 21, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/3187
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A tufted backing and a method of manufacturing a tufted backing from thermoplastic polymer fibers or filaments that are processed to yield a spunbonded nonwoven are described, the spunbonded nonwoven containing only fibers or filaments having a titer of 1 to 15 dtex, the mass per unit area of the tufted backing being 70 to 110 g/m2, its density being 0.18 to 0.28 g/cm3 and the 5% modulus value in the machine direction being >60 N/5 cm, but at least 0.6 Nm2/g.

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