Process for the preparation of a composite mat consisting of a layer of mineral wool and a layer of steel wool

US4269800A · kind A · utility

Assignee

• Saint-Gobain Industries · FR

Inventors

• Rolf-Dieter Sommer · Esslingen am Neckar, DE
• Gustav Schweinfurth · Bischofswerda, DE
• Heinz-Jurgen Ungerer · Viernheim, DE

Key dates

• Filing date: Oct 18, 1978
• Grant date: May 26, 1981
• Expiry date: Oct 18, 1998

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F01N2310/04
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Technique for making exhaust muffler lining comprising mineral fibers with metal fibers distributed therein toward the inner surface of the lining, the metal fibers being bound by the fiber binder carried by the mineral fibers.