Apparatus for the manufacture of a composite metal wire

Details Apparatus for the manufacture of a composite metal wire Apparatus for the manufacture of a composite metal wire

1978-12-04

1980-08-19

Kaplan, Morris

Coating apparatus

Immersion or work-confined pool type

Work extending through pool-confining wall area

B05C 312

Patent

active

042178525

ABSTRACT:
Apparatus for manufacturing a composite metal wire including a core metal wire having extruded therearound a coating metal layer which is different in material from the core metal wire. The coating metal is fed into a narrow passageway which is defined between a circumferential groove formed on the outer edge of a rotary wheel and a close fitting surface of a fixed shoe block, the cross-sectional area therebetween decreasing for half the distance between entry and discharge and thereafter increasing until discharge. The coating material is carried towards an outlet end of the passageway by frictional drag with the surface of the passageway in accordance with the rotation of the wheel. A core metal wire harder in material than the coating metal is passed through a covering chamber of a larger cross sectional area which is provided with a die and a nipple at the front and rear portions respectively, whereby the core metal drive is covered with the coating metal in the covering chamber so that a predetermined construction of the composite metal wire is extruded through the die.

REFERENCES:
patent: 2931082 (1960-05-01), Brennan
patent: 3646796 (1972-03-01), Tanaka et al.
patent: 3764216 (1973-10-01), Green
patent: 3914481 (1975-10-01), Bostroem
patent: 3941182 (1976-03-01), Bjorkstren et al.

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