Coating processes – Frictional application
Patent
1985-12-09
1987-04-14
Childs, Sadie L.
Coating processes
Frictional application
72258, 72262, 118405, 164461, 164462, 427191, 427192, 427319, 427320, 4274347, B05D 302
Patent
active
RE0323993
ABSTRACT:
An improved method 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, includes feeding the coating metal 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, carrying the coating metal towards an outlet end of the passageway by frictional drag with the surface of the passageway in accordance with the rotation of the wheel, and passing a core metal wire harder in material than the coating metal 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 wire is covered with the coating metal in the covering chamber so that a predetermined construction of a composite metal wire is extruded through the die. 20
REFERENCES:
patent: 2931082 (1960-05-01), Brennan
patent: 3646796 (1972-03-01), Tanaka et al.
patent: 3914481 (1975-10-01), Bostroem
patent: 3941182 (1976-03-01), Bjorksten et al.
patent: 4277968 (1981-07-01), Pardoe
Miyake Yasuhiko
Nagai Masahiro
Childs Sadie L.
Hitachi Cable Ltd.
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