Patents Assigned to Hummor, Inc.
  • Making thermoplastic items
    Patent number: 4563320
    Abstract: An extruder delivers an extrudate at a temperature in the low end of the extruding range between 250.degree. and 550.degree. F. between opposed rollers carrying mating dies. The dies are sprayed with mold release agent when away from the extrudate. The extrudate is cooled after leaving the region between a pair of rollers and may enter the region between other similar pairs of rollers. Cold plastic inserts may be inserted into molded items.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: January 7, 1986
    Assignee: Hummor, Inc.
    Inventor: Allan C. Morgan