Processes for manufacturing wires with a brass surface

Details Processes for manufacturing wires with a brass surface Processes for manufacturing wires with a brass surface

1996-12-09

2000-12-12

Meeks, Timothy

Coating processes

Coating by vapor, gas, or smoke

Metal coating

427251, 4272554, 427124, 427406, 427117, C23C 1424

Patent

active

061595438

ABSTRACT:
A process for the manufacture of wires with a brass surface and a predefined zinc content for application in wire electroerosion. Wire (32) made of copper or brass is passed through heated treatment chamber (14) filled with a zinc vapor, wherein the zinc in gas phase diffuses in wire (32). The concentration of zinc in gas phase and the temperature (T.sub.D) of wire (32) in treatment chamber (14) are regulated in such a way that the zinc content of the brass phase forming on the surface of the wire suitably corresponds to the predefined zinc content.

REFERENCES:
patent: 3637421 (1972-01-01), Gimigliano
patent: 3860444 (1975-01-01), Donckel et al.
patent: 4686153 (1987-08-01), Tominaga et al.
patent: 4977303 (1990-12-01), Briffod
patent: 5721414 (1998-02-01), Lacourelle

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