Fabrication of composite metal wire

Details Fabrication of composite metal wire Fabrication of composite metal wire

1981-07-10

1984-03-20

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427175, 427320, 427321, 427329, 427433, 4274346, 427436, B05D 314

Patent

active

044381557

ABSTRACT:
A method of fabricating composite metal wires such as aluminium clad steel wires is disclosed which comprises providing a core of hard metal with a cladding of soft metal by extrusion. In fabricating a composite metal wire by extrusion, a core is generally aligned, polished, cleaned or otherwise pretreated before entering an extruder so that a high and variable tension is imparted to the core. By avoiding such tension variation and maintaining the core under a constant low tension and by electrically heating the core before the core enters the extruder, a composite metal wire of improved quality is fabricated in a stable manner.

REFERENCES:
patent: 3284892 (1966-11-01), Wade
patent: 3799789 (1974-03-01), Louis et al.
patent: 3881036 (1975-04-01), Brown
patent: 4169426 (1979-10-01), Kornmann et al.
patent: 4242368 (1980-12-01), Nagai et al.

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