Method of making a friction disc

Details Method of making a friction disc Method of making a friction disc

1976-09-14

1978-08-22

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156210, 156291, 156292, 188234, 192107C, B32B 708, F16D 1364

Patent

active

041086996

ABSTRACT:
The invention relates to friction discs of the progressive engagement type, especially for clutches of heavy automobile vehicles, the disc comprising two annular friction linings extending respectively on both sides of and in contact with a cut-out corrugated support, each lining being fixed individually by continuous glueing zones on this support, along parts of the corrugations of the support which are in contact with the lining. The surface area of the glueing zones should be between 5 and 35%, and preferably about 10% of the surface area of the lining. In a modification, each lining is fixed on the support, not only by the glueing zones but also by at least one rivet per zone arranged at right angles to each glueing zone. The riveting operation is preferably carried out after glueing and before the adhesive is polymerized or set.

REFERENCES:
patent: 2218680 (1940-10-01), Kempel
patent: 2380900 (1945-07-01), Wellman
patent: 2630199 (1953-03-01), Gamble
patent: 2667948 (1954-02-01), Tilden
patent: 3241644 (1966-03-01), Ridenour
patent: 3921777 (1975-11-01), Rist

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