Collector bar

Details Collector bar Collector bar

1998-01-06

1999-11-02

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204294, C25C 316

Patent

active

059763337

ABSTRACT:
A collector bar adapted for utilization with carbon during the production of molten metal, such as aluminum, under Hall Heroult applications includes a one-piece metallic extruded and/or drawn tube of relatively low electrical conductivity, such as steel or ferrous metal and a one-piece rod of relatively high electrical conductivity, such as copper. The tube is in encircling relationship to the rod and the rod and tube have surfaces in intimate surfaces-to-surface contact. The rod has an exterior profile exactly complementing an interior profile of the tube, or alternately the rod is relatively elongated and narrow and opposite longitudinal edges thereof are in intimate surface-to-surface contact with parallel opposite surfaces of the tube or opposite diagonal corners of the tube.

REFERENCES:
patent: 1736745 (1929-03-01), Lohmann
patent: 3492463 (1970-01-01), Wringer et al.
patent: 3551319 (1970-12-01), Elliot
patent: 3867562 (1975-02-01), Fischer et al.
patent: 4417097 (1983-11-01), Das
patent: 4488955 (1984-12-01), Bertaud et al.
patent: 4647356 (1987-03-01), Leroy
patent: 4647358 (1987-03-01), Bartsch et al.
patent: 5277776 (1994-01-01), Borner et al.
patent: 5464519 (1995-11-01), Tomba et al.
patent: 5538607 (1996-07-01), Pate
patent: 5597461 (1997-01-01), Pate

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