Absorbent body of nonwoven material and a method for the production thereof

US4902559A · kind A · utility

Assignee

• Firma Carl Freudenberg · DE

Inventors

• Helmut Eschwey · Hilden, DE
• Lothar Hackler · Weinheim, DE
• Ludwig Hartmann · Wilmington, US
• Michael Kauschke · Braunschweig, DE
• Bernhard Klein · Bear River, US
• Thomas Kümpel · Hemsbach, DE
• Hans-Achim Kunkel · Reichelsheim, DE
• Torsten Nahe · Mannheim, DE
• Ivo Ruzek · Kaiserslautern, DE

Key dates

• Filing date: May 11, 1988
• Grant date: Feb 20, 1990
• Expiry date: May 11, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/699
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Disclosed is an absorbent body of nonwoven material formed of randomly distributed thermoplastic endless filaments which contain embedded hydrophilic or oleophilic staple fibers and in some cases swelling particles. Also disclosed is a one-step process for the production of the absorbent body.