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.
Type:
Grant
Filed:
February 4, 1983
Date of Patent:
July 17, 1984
Assignee:
Associated Lead Manufacturers Ltd.
Inventors:
Duncan Ritchie, John R. Mills, William R. D. Couper