Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Patent
1983-02-04
1984-07-17
Andrews, M. J.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By separating metal in a molten mass from undesired...
75 24, 75 78, 266232, F27D 315
Patent
active
044601662
ABSTRACT:
Dross is removed from molten lead during its refining by scraping the dross by means of a rake up a ramp fitted to the rim of the refining pot, a baffle being placed to trap dross in front of the ramp. The rake may be operated manually or by means of a power operated device.
REFERENCES:
patent: 4073481 (1978-02-01), Lawson
Couper William R. D.
Mills John R.
Ritchie Duncan
Andrews M. J.
Associated Lead Manufacturers Ltd.
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