Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1974-02-19
1977-04-12
Shore, Ronald J.
Metal founding
Process
Shaping liquid metal against a forming surface
164134, 164276, B22D 1106, B22D 4300
Patent
active
040169251
ABSTRACT:
A method for continuously manufacturing an endless lead sheet from which a cathode starting sheet to be used in electrolytic refining of lead is prepared are disclosed. In the present method, molten lead is continuously introduced into a first separation zone where dross is caused to come up to the surface and separated from the molten lead, mixture of the dross and the molten lead in the vicinity of the melt surface is introduced into a second separation zone through a wide flow path, and the molten lead substantially free from the dross is introduced into a casting zone while the dross is accumulated on the liquid surface in the second separation zone. In the present apparatus, there is provided in a casting tank a dish surrounding a bottom of a rotary cooling drum, which dish includes a laterally extending, shallow cutout at an upper end thereof. An adjustable gate device is provided between the cutout and the bottom of the drum.
REFERENCES:
patent: 993904 (1911-05-01), Strange
patent: 2348178 (1944-05-01), Merle
patent: 3349835 (1967-10-01), Muller
patent: 3599705 (1971-08-01), McDougal et al.
patent: 3858642 (1975-01-01), Battiston et al.
Hampilos Gus T.
Mitsui Mining & Smelting Co. Ltd.
Shore Ronald J.
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