Method of manufacturing insulated electric wire of the enamelled

Details Method of manufacturing insulated electric wire of the enamelled Method of manufacturing insulated electric wire of the enamelled

1977-06-29

1979-03-20

Thurlow, Jeffery R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

264174, 427117, 427120, 428458, B29F 310

Patent

active

041454740

ABSTRACT:
A method of extruding a thin sheath of plastic material about electric wire, utilizing a plastic material capable of being shaped by extrusion after having been heated in a screw extruder, this material exhibiting the technical characteristics required for enamel-type insulation after cooling, without necessitating subsequent treatment. An extrusion material containing at least one partially crystalline thermoplastic polycondensate wherein the crystallites have a melting-point above 170.degree. C. answers these requirements.

REFERENCES:
patent: 3313781 (1967-04-01), Beck et al.
patent: 3577346 (1971-05-01), McKeown
patent: 3669738 (1972-06-01), Cottis et al.
patent: 3829545 (1974-08-01), Van Vlaenderen
patent: 3914363 (1975-10-01), Bedard et al.
patent: 4058640 (1977-11-01), Jung et al.

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