Actuated By Contact With Mold Patents (Class 425/DIG226)
  • Automatic shut off nozzle for plastic extruder
    Patent number: 4678427
    Abstract: An apparatus for purging an injection molding machine utilizing a three stage or three position nozzle assembly.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: July 7, 1987
    Assignee: Husky Injection Molding System Ltd.
    Inventor: Klaus Fritzsche