Apparatus for manufacturing electric wire having wire-enamel-typ

Details Apparatus for manufacturing electric wire having wire-enamel-typ Apparatus for manufacturing electric wire having wire-enamel-typ

1977-06-29

1979-08-28

Rosenbaum, Mark

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Extrusion shaping means

264174, 425382R, 425461, 425DIG39, B29F 310

Patent

active

041659570

ABSTRACT:
An apparatus for manufacturing insulated electric wire of the enamelled-wire type wherein an insulating sheath adhering to the wire is formed by extrusion of selected thermoplastics which are heated to a temperature above their melting-point, then pressed onto the wire while in a fluid state. The extrusion apparatus includes a gauging die with a compressing cone having an aperture angle of from 2.degree. to 20.degree., preferably 7.degree..

REFERENCES:
patent: 2943351 (1950-07-01), Gray
patent: 3616496 (1971-11-01), Angliolette et al.
patent: 3986477 (1976-10-01), Bigland
patent: 4053269 (1977-10-01), Levy
patent: 4076477 (1978-02-01), Hacke

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