Patents Assigned to Associated Lead Manufacturers Ltd.
  • Patent number: 4460166
    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