Elizabeth O Callan

US Patent:

43871780, Jun 7, 1983

Filed:

Nov 2, 1981

Appl. No.:

6/317196

Inventors:

Douglas H. Tracy - Putnam CT
Jeffrey B. Otto - Brooklyn CT
Bruce M. Arnio - Danielson CT
Elizabeth L. Callan - Danielson CT

Assignee:

Rogers Corporation - Rogers CT

International Classification:

C08K 702
C08K 718
B32B 2734

US Classification:

524448

Abstract:

A gasket material comprised of fibrillated aramid fibers, diatomaceous earth and either a polyethylacrylic or polybutylacrylic latex alone or in combination with conventional curatives, antioxidants and pigments. The constituent materials are combined in a beater-addition process, and the pliable gasket material is then formed on conventional paper making equipment.