Apparatus for vulcanization of rubber by dielectric heating

Details Apparatus for vulcanization of rubber by dielectric heating Apparatus for vulcanization of rubber by dielectric heating

1984-08-31

1985-10-01

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Electro-static or inductive field

425 41, 425DIG13, B29H 526

Patent

active

045443394

ABSTRACT:
A method for vulcanizing rubber within a mold by dielectric heating. The mold is made of dielectric materials such as ceramics or plastics, and the rubber material is vulcanized within the mold in a dielectric heating furnace. The surface portions of the mold in contact with the rubber material are preferably made of a material having a high dielectric loss factor in order to heat the rubber material or to prevent cooling of the dielectrically heated rubber material by conduction of the heat toward the mold. The other portions of the mold are made of another material having a low dielectric loss factor. The mold is a separate mold. The separate mold is fixed in a frame made of a dielectric material having a low dielectric loss factor.

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