Elastomer-coated bias reinforcement fabric and method and appara

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...

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2642888, 2642902, 427176, 427209, 427381, 427428, B29G 500

Patent

active

046248137

ABSTRACT:
An elastomer coated bias fabric for reinforcing power transmission belts and the like is disclosed wherein one face of the fabric is provided with an uncured, tacky, carboxylated elastomeric composition. In one embodiment, the fabric is prepared by pre-impregnating the fabric with a neoprene latex composition followed by coating the neoprene composition on both faces of the fabric, and after drying the fabric, overcoating one face only of the coated fabric with a tackified, carboxylated neoprene latex composition. A method and apparatus for manufacturing the coated fabric is also disclosed.

REFERENCES:
patent: 1323212 (1919-11-01), Bulley
patent: 3784427 (1974-01-01), Griffin
patent: 3832210 (1974-08-01), Rohlfing
patent: 4062989 (1977-12-01), Long
patent: 4116159 (1978-09-01), Long
patent: 4205559 (1980-06-01), Long et al.
patent: 4283455 (1981-08-01), McGee

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