Method for continuously vulcanizing a self-molding hose

Details Method for continuously vulcanizing a self-molding hose Method for continuously vulcanizing a self-molding hose

1990-05-11

1992-02-25

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138144, 156195, 156242, 264103, 264236, 264257, 264324, 264347, 427366, 4273722, B29C 3506, B29C 5320

Patent

active

050910264

ABSTRACT:
A method for continuously vulcanizing a self-molding hose by external heating including the steps of first forming continuous strip of self-molding material which includes a heat-shrinkable woven fabric, a first vulcanized elastomer topping layer provided on a top surface of the heat-shrinkable woven fabric, a second vulcanized elastomer topping layer provided on an undersurface of the fabric with the second vulcanized elastomer topping layer being thinner than the first vulcanized elastomer topping layer and an unvulcanized elastomer topping layer provided on the undersurface of the second vulcanized elastomer topping layer. Then the continuous strip is overlappingly wound on a former to create a circular hose and the circular hose is continuously introduced into a gap between rotary drums of vulcanization apparatus at the same rate as the rate of the circular hose formation so that the circular hose is pressed flat, heated and vulcanized and converted into a flat hose.

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