Method of making a paper machine press belt

Details Method of making a paper machine press belt Method of making a paper machine press belt

1987-08-07

1989-03-14

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156141, 156188, 156190, 474266, F16G 116, B65H 8100

Patent

active

048121851

ABSTRACT:
A method for making a belt for use in papermaking includes a series of steps. A sheet of uncured urethane is wrapped on a polished mandrel. A woven fabric sleeve to serve as a supporting carcass is placed over the first sheet and shrunk onto it. A second sheet of uncured urethane is placed over the woven fabric sleeve. A nylon web is wrapped tightly around the second layer and the entire wrapped mandrel is heated, curing the urethane sheets and entirely bonding the sheets to encapsulate the fabric sleeve. The nylon wrap is removed and the surface of the cured urethane is ground.

REFERENCES:
patent: 1611830 (1926-12-01), Freedlander
patent: 2652093 (1953-09-01), Burton
patent: 2773540 (1956-12-01), Waugh
patent: 2995176 (1961-08-01), Waugh
patent: 3752719 (1973-08-01), Borden
patent: 4231826 (1980-11-01), Wrast et al.
patent: 4559258 (1985-12-01), Kiuchi

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