Coaxial cable with improved properties and process of making sam

Details Coaxial cable with improved properties and process of making sam Coaxial cable with improved properties and process of making sam

1977-06-08

1978-08-01

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

Conduits, cables and conductors

174102R, 174110F, 174110PM, H01B 330, H01P 306, H01B 1118

Patent

active

041044819

ABSTRACT:
Disclosed is a coaxial cable having greatly improved mechanical and electrical properties derived from a foamed dielectric having a dielectric constant in the range of 1.32 to 1.1, a density between 0.1 and 0.29 grams per cubic centimeter, said foamed dielectric having dispersed throughout it undecomposed particles of a nucleating agent such cable being provided by a novel method of coating a center conductor of the cable with a dielectric with an extruded cellular polyolefin base composition which has been rendered cellular by the direct injection of a blowing agent in a liquid form into the polymer during an extrusion process.

REFERENCES:
patent: 3567846 (1971-03-01), Brorein et al.
patent: 3681515 (1972-08-01), Mildner
patent: 3684816 (1972-08-01), Reighter
patent: 3968463 (1976-07-01), Boysen

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