Method for the manufacture of a fluffy, light-weight, soft nonwoven fabric

US4451314A · kind A · utility

Assignee

• Firma Carl Freudenberg · DE

Inventors

• Jurgen Knoke · Weinheim, DE
• Manfred Jost · Hemsbach, DE
• Bohuslav Tecl · Weinheim, DE
• Erich Fahrbach · Weinheim, DE

Key dates

• Filing date: Dec 3, 1982
• Grant date: May 29, 1984
• Expiry date: Dec 3, 2002

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/69
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A method is disclosed wherein a nonwoven fabric composed at least in part of thermally fusible fibers is at least partially fused and then is punched by needles to produce a soft, fluffy fabric that resists mechanical wear.