The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 1996
Filed:
Apr. 15, 1994
Applicant:
Inventors:
Assignee:
The Furukawa Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264 459 ; 264 464 ; 264 469 ; 264 53 ;
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.