Patents Assigned to Wilh. Engstfeld, a Kommanditgesellschaft
  • Crucible for melting, heat retention and pouring of metals
    Patent number: 4033564
    Abstract: A crucible for melting, and particularly for heat retention and pouring of metals, in particular light metal- or zinc- alloys, with a heat source arranged inside of the melt. A heat source tube extends in a bridge-like manner between the crucible walls, with heating elements entering from a front end of the heat source tube.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: July 5, 1977
    Assignee: Wilh. Engstfeld, a Kommanditgesellschaft
    Inventors: Paul Junghanns, Friedhelm Burger