Manufacture of oriented insulated wires and cables

Details Manufacture of oriented insulated wires and cables Manufacture of oriented insulated wires and cables

1984-07-12

1985-08-06

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156229, 15624424, 2642101, 427120, H01B 1314

Patent

active

045334170

ABSTRACT:
A method of making insulated wires or cables in which a tube of crystallizable polymeric material is first extruded over size on the wire, cooled until it can be gripped and then reheated and stretched to produce crystalline orientation and to collapse it into contact with the wire is distinguished by first holding the tube at a temperature between its glass transition temperature and its crystalline melting point long enough for the degree of crystallinity to be significantly increased. Physical properties after orientation are considerably improved.

REFERENCES:
patent: 3503818 (1970-03-01), Helbling et al.
patent: 3949042 (1976-04-01), Utz
patent: 3950469 (1976-04-01), Gneuss et al.
patent: 3976732 (1976-08-01), Herrington
patent: 4320224 (1982-03-01), Rose et al.
patent: 4331624 (1982-05-01), Yazawa et al.
patent: 4451306 (1984-05-01), Verne

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