Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1977-07-28
1978-10-03
Powell, William A.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
156172, 156175, 156180, 188251A, 192107M, 427407B, 428357, B32B 508, B22B 526
Patent
active
041185285
ABSTRACT:
A friction facing for clutches and the like of improved hot burst strength formed of a glass fiber tape disposed in an undulating annular fashion, the undulations being compressed and bonded together by a heat-curable cement system containing rubber, resin and friction modifiers, the rubber being a vulcanizable carboxy nitrile rubber, the resin being a water-soluble, low molecular weight, one-step thermosetting phenol formaldehyde resin, and the friction modifiers being finely divided organic and inorganic particles. In fabricating the friction facings, prior to the application of the heat-curable cement system, there is applied to the glass filaments a precoating comprising rubber, resin and furnace black which is compatible with the cement system and which is applied as an aqueous dispersion.
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Rubber Technology, Morton, van Nostrand Reinhold, 2nd ed., 1973, p. 313.
Ball Michael W.
Powell William A.
Raybestos Manhattan, Inc.
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