Patent · US Expired

Method for the storing of elastan filaments with coarse tires

US6675442B2 · kind B2 · utility

4Cited by

12References

8Claims

0Family size

Assignee

Bayer Faser GmbH · DE

Inventors

Ulrich Reinehr · Dormagen, DE
Tilo Sehm · Düsseldorf, DE
Wolfgang Anderheggen · Dormagen, DE
Toni Herbertz · Dormagen, DE

Key dates

Filing date	Oct 22, 2001
Grant date	Jan 13, 2004
Priority date	—
Expiry date	Oct 22, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H2701/319
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

There is described a method for the storing of elastan filaments with a titre of at least 2,500 dtex in drums with a filament line length of at least 10 km with the use of a displacing device, in which the filaments are stored meandering in layers, and in which the filaments are inlaid into the drum at a speed of at least eight per cent above the production speed of the filaments.

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