Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1998-08-28
2000-10-31
Krynski, William
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428372, 428375, 428383, 174110F, 174110FC, 174110SR, B32B 1500, D02G 300
Patent
active
061399574
ABSTRACT:
A communications cable is provided having at least one elongate electrical conductor surrounded by a layer of insulating material, said layer comprising a foamed fluorinated polymer formed using a liquid or solid blowing agent having a vaporization temperature at ambient temperature of between about 140.degree. F. and about 700.degree. F. The elongate electrical conductors can be provided as at least one pair of twisted wires, each wire thereof surrounded by a layer of insulating material comprising the foamed fluorinated polymer. The communications cable includes insulated wires which possess a layer of foamed fluorinated polymer insulating material having uniform thickness and electrical properties along the length of the wire. In addition, the fluorinated polymer can be applied on the conductor in a relatively thin layer which minimizes the amount of fluorinated polymer material used to insulate the individual conductors. The present invention also includes a method of making an insulated conductor using these solid or liquid blowing agents.
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CommScope Inc. of North Carolina
Gray J. M.
Krynski William
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