Method and apparatus for making wrapped, molded, toothed belts

Details Method and apparatus for making wrapped, molded, toothed belts Method and apparatus for making wrapped, molded, toothed belts

1979-09-14

1981-01-06

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

474242, 156140, 156142, 264314, 264325, 425 28B, 425 34B, B29H 722

Patent

active

042434521

ABSTRACT:
An improved ring molding apparatus for molding toothed V-belts is provided which comprises, in one embodiment, a ring mold having an outer circumferential surface which is grooved to provide a mating surface for a bladder having an inner surface having a plurality of tooth-forming projections and recesses. According to another embodiment, the bladder has a plurality of axially-running projections and recesses arranged in an annulus for each of the mold cavities. Also provided is a method for making molded V-belts which comprises curing the belt in the above molds.

REFERENCES:
patent: 2253792 (1941-08-01), Leavenworth
patent: 2671244 (1954-03-01), Freedlander
patent: 3800610 (1974-04-01), Wach
patent: 4184822 (1980-01-01), Schwabauer

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