Patents Assigned to Prolizenz Aktiengesellschaft
  • Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys
    Patent number: 4245818
    Abstract: Apparatus for heat treatment of metal pieces such as billets, ingots, bars and the like, by pre-heating using hot gas impingement in a pre-heating furnace, and then transference into a holding furnace using forced hot air circulation where the metal pieces are held for the time required at the desired heat treatment temperature.
    Type: Grant
    Filed: March 16, 1978
    Date of Patent: January 20, 1981
    Assignee: Prolizenz Aktiengesellschaft
    Inventors: Friedrich W. Elhaus, Bernhard Hilge