Method of making an arched endless belt

Details Method of making an arched endless belt Method of making an arched endless belt

1981-02-06

1984-04-17

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

474271, B29H 722

Patent

active

044432810

ABSTRACT:
A method of making an arched endless belt and belt made employing the method are provided wherein the method comprises the steps of disposing in tubular form a plurality of uncured belt-defining layers with the layers being adapted to define corresponding sections of the belt and curing the layers in a controlled environment to define the belt having a longitudinal axis and an arched configuration relative to the axis wherein prior to the disposing step the method comprises wrapping a shaping material consisting of an uncured gum material around a belt building device and the disposing step comprises wrapping the plurality of layers against the shaping material so that during the curing step the shaping material and controlled environment cooperate to define the arched configuration of the belt including all of its layers and during the curing step the shaping material is bonded to the layers and comprises an inner portion of the belt with the cured gum shaping material serving as a crack barrier for such inner portion.

REFERENCES:
patent: 2062568 (1936-12-01), Freedlander
patent: 3353419 (1967-11-01), Richmond
patent: 3564933 (1971-02-01), Clinkerbeard
patent: 3615988 (1971-10-01), Richmond
patent: 3995507 (1976-12-01), White et al.
patent: 4019399 (1977-04-01), Waugh
patent: 4083261 (1978-04-01), Spear et al.

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