Wire coating process

Details Wire coating process Wire coating process

1984-08-27

1986-05-13

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

156 52, 15624412, 15624423, 264566, 264568, 264174, 264DIG65, 427117, 427120, B29C 4702

Patent

active

045885460

ABSTRACT:
Wire which has been coated with a polymeric material is useful in a wide variety of applications. One such application is as a winding for electrical equipment such as motors, transformers, magnetic coils, relays and the like. Generally, coated wires of this type have been prepared by coating the wire with multiple layers of a solution of the coating material. It has been determined that metal wires can be satisfactorily coated with a specific type of thermoplastic composition in a single layer without using solvents. This process utilizes a tubing type cross-head die with the thermoplastic composition comprising a mixture of 80% to 99% by weight polyethylene terephthalate and from 1% to 20% by weight of polyethylene, polypropylene, or a mixture thereof.

REFERENCES:
patent: 3829545 (1974-08-01), Van Vlaenderen
patent: 4145474 (1979-03-01), Kertscher et al.
patent: 4206011 (1980-06-01), Kanotz et al.
patent: 4391848 (1983-07-01), Hilker
patent: 4394417 (1983-07-01), Hilker
patent: 4406851 (1983-09-01), Janssen et al.
patent: 4451306 (1984-05-01), Verne
patent: 4469718 (1984-09-01), Shirahata et al.
patent: 4489130 (1984-12-01), Hilker

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