Stock material or miscellaneous articles – Spirally flat-wound strand or strip
Patent
1974-12-23
1976-05-11
Dier, Philip
Stock material or miscellaneous articles
Spirally flat-wound strand or strip
428 64, 428222, 156175, 188251R, 192107R, B32B 512, B32B 516, B65H 8100, F16D 6900
Patent
active
039565459
ABSTRACT:
A friction disc comprises continuous longitudinally co-extensive generally parallel glass strands wound spirally in the plane of the disc; short, generally parallel glass strands extending normal to the plane of the disc along said spiral; non-ferrous metal chips or wires; and a heat curable cement binding said glass strands and non-ferrous metal chips or wires together. The friction disc is made by forming a glass fabric with warp rovings of continuous parallel glass strands and fill rovings of continuous parallel glass strands; impregnating the fabric with a heat curable cement; winding the glass fabric onto a mandrel to form a spirally wrapped cylinder; slicing the cylinder into disc preforms; and molding the disc preforms under heat and pressure. Either non-ferrous metal wires are included in the fabric or non-ferrous metal chips are deposited on the fabric prior to wrapping the fabric onto the mandrel.
REFERENCES:
patent: 3627606 (1971-12-01), Bentz et al.
patent: 3713934 (1973-01-01), Morton
patent: 3743069 (1973-07-01), Barnett et al.
Afflerbach Frank D.
Barnett Irvin
Peters Walter B.
Dier Philip
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
McClain James W.
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