Process and apparatus for vulcanizing the insulation of an elect

Details Process and apparatus for vulcanizing the insulation of an elect Process and apparatus for vulcanizing the insulation of an elect

1984-09-25

1986-09-02

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264 39, 264102, 264174, 264236, 264237, 264346, 264347, 264348, 425 68, 425 71, 425 73, 425509, 425113, 425325, 425384, 425445, B29C 3506

Patent

active

046095098

ABSTRACT:
A process and apparatus for the vulcanization of the insulation of an electric cable in which the cable core with the insulation thereon are passed through a tube filled with a liquid having a specific weight substantially equal to the specific weight of the insulation. The section of the tube nearer the entrance end is supplied with degassed liquid at vulcanizing temperature and the following section is supplied with degassed liquid at a temperature for cooling the insulation, and because the liquid has different viscosities at the two temperatures, a liquid interface is produced between the two portions which interface is maintained during the vulcanizing of the insulation. During the vulcanizing of the insulation, a portion of the liquid in at least one section is removed and treated to remove vulcanization products.

REFERENCES:
patent: 2635293 (1953-04-01), Prance
patent: 3229445 (1966-01-01), Kraft
patent: 3909177 (1975-09-01), Takaoka et al.
patent: 4029450 (1977-06-01), Caser
patent: 4179256 (1979-12-01), Tomioka et al.
patent: 4247271 (1981-01-01), Yonekura et al.
patent: 4353861 (1982-10-01), Caser
patent: 4356143 (1982-10-01), Hill et al.

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