Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1994-04-15
1996-11-05
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 464, 264 469, 264 53, B29C 4424, B29C 4432
Patent
active
055714625
ABSTRACT:
A method of manufacturing an electric wire insulated with a foamed plastic. The method includes steps of introducing a foaming agent into a fluororesin in a molten state to allow the foaming agent to dispersed in the molten resin, and extruding the molten resin having the foaming agent dispersed therein onto a conductor wire to allow foaming. A fluorine-based foaming agent contains as a main component at least one kind of a fluorocarbon having a molecular weight of about 338 to 488 is used as a foaming agent.
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Hashimoto Dai
Iwata Zensuke
Yamamoto Shoji
Kuhns Allan R.
The Furukawa Electric Co. Ltd.
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