Process for producing electric cable insulated with cured polyol

Details Process for producing electric cable insulated with cured polyol Process for producing electric cable insulated with cured polyol

1976-05-24

1978-05-23

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264236, 264347, 425 97, 425113, B29F 310

Patent

active

040910644

ABSTRACT:
Electric cables insulated with a cured polyolefin and having high electrical breakdown strength are produced, in each instance, by applying, an insulating layer of polyolefin containing a curing agent onto a conductor by means of an extruder, forming and hot-curing said layer by means of a long-land die, simultaneously applying a specific forming coagent to a tapered portion of the long-land die, and cooling the resulting hot-cured insulating layer formed on the conductor in a cooling zone.

REFERENCES:
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patent: 2688768 (1954-09-01), Rayburn
patent: 2692406 (1954-10-01), Rhodes et al.
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patent: 2742669 (1956-04-01), Rhodes
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patent: 3219733 (1965-11-01), Harris et al.
patent: 3229012 (1966-01-01), Garner
patent: 3354243 (1967-11-01), Dodge
patent: 3868436 (1975-02-01), Ootsuji et al.

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