Processes for manufacturing wires with a brass surface
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United States of America Patent
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Dec 12, 2000
Grant Date -
N/A
app pub date -
Dec 9, 1996
filing date -
Dec 11, 1995
priority date (Note) -
Expired
status (Latency Note)
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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.
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