Process for the vulcanization of laminar rubber products

Details Process for the vulcanization of laminar rubber products Process for the vulcanization of laminar rubber products

1987-12-03

1990-05-08

Cashion, Jr., Merrell C.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

156160, 1562742, 156289, 156344, 264346, 264DIG46, B32B 3120, B32B 3126

Patent

active

049236474

ABSTRACT:
An apparatus and process for the vulcanization of laminar rubber products wherein the process comprises winding onto a drum an unvulcanized laminar rubber product together with a metallic band, applying a counter force to the metallic band as it is being wound up to prestress the wound up layers, applying substantially uniform pressure on the surface of the conducting band at the point where it and the laminar rubber products are being wound onto the drum and then applying electrical current to the wound up electrically conducting band to provide heat for the vulcanization of the wound up laminar layers. The apparatus comprises two parallel drums interconnected by the metallic band which is first wound with the laminar rubber onto one drum and when the vulcanized laminar rubber is removed the metallic band is wound onto the other drum.

REFERENCES:
patent: 2142971 (1939-01-01), Bierer
patent: 2142972 (1939-01-01), Bierer
patent: 3094453 (1963-06-01), Scherer
patent: 3491186 (1970-01-01), Rainar
patent: 3507735 (1970-04-01), chisholm
patent: 3767500 (1973-10-01), Tally
patent: 3894897 (1975-07-01), Batchelor
patent: 3929537 (1975-12-01), Erwin
patent: 4096008 (1978-06-01), Taylor
patent: 4193956 (1980-03-01), Kaluins
patent: 4744851 (1988-05-01), Lorenz

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