Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1988-03-01
1989-10-03
Zimmerman, John J.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204297R, C25B 902, C25C 702
Patent
active
048714364
ABSTRACT:
Suspension bar for an anode or cathode sheet in electrolytic refining of metals, the core of the suspension bar consisting of a material which exhibits a high resistance to bending and a high mechanical resistance, and being surrounded by a sheath of a material with good electrical conducting properties, such as copper. The core material is a material with good electrical conduction properties, such as copper, near at least one of the ends of the suspension bar, preferably near both ends, over a length of a least 3 cm and at most 5 cm, the sheath being continuous to the end of said core part.
Method for manufacturing such a suspension bar in which a sheath of copper is drawn over a core of steel, starting from copper tube. Copper and steel cores are alternately introduced into the copper tube, subsequently the sheath is drawn, with further cores being added, to a total length which essentially corresponds to the change in length of the copper tube occurring as a result of the drawing and, finally, the rod produced is sawn up into the desired rod lengths at the points where the copper cores are located.
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Burton Ralph M.
Zimmerman John J.
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