Patents Assigned to Castech Enterprises, Inc.
  • Injector for injecting molten material into a die
    Patent number: 4690198
    Abstract: An injector of the piston type for a die casting machine is disclosed having means for ejecting molten material mixed with a minimal volume of air and means for compensating for thermal expansion such that the pressure applied between the nozzle of the injector and the gate of a die is substantially constant as the injector heats up.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: September 1, 1987
    Assignee: Castech Enterprises, Inc.
    Inventors: Donald H. Hardey, Franklin D. Austin