Elastane fiber

US6492021B1 · kind B1 · utility

Assignee

• Bayer Faser GmbH · DE

Inventors

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

Key dates

• Filing date: Dec 29, 2000
• Grant date: Dec 10, 2002
• Expiry date: Dec 29, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2967
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Described is wet-spun plural-end elastane yarn having a yarn linear density of up to 2500 dtex, high surface luster and a ribbony cross section and formed from bonded-together individual filaments having an oval to circularly round cross section, the width of the elastane yarn in cross section being at least four times the thickness of the elastane yarn.