Patents by Inventor Frederick J. Shepps

Frederick J. Shepps has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotary blow molding method
    Patent number: 4861542
    Abstract: A rotary blow molding machine includes a base, a turntable on the base rotatable about a vertical axis and a number of mold units spaced around the turntable. Each mold unit includes a pair of mold halves which close on and capture a growing vertical parison at an extrusion station and then fall away from the parison as the parison is severed. The captured parison is blow molded and cooled as the blow unit is rotated around the turntable. The finished article, commonly a bottle, is ejected from between the mold halves before the mold halves return to the extrusion station.
    Type: Grant
    Filed: November 4, 1987
    Date of Patent: August 29, 1989
    Assignee: Graham Engineering Corporation
    Inventor: Frederick J. Shepps
  • Rotary blow molding machine
    Patent number: 4801260
    Abstract: A rotary blow molding machine includes a base, a turntable on the base rotatable about a vertical axis and a number of mold units spaced around the turntable. Each mold unit includes a pair of mold halves which close on and capture a growing vertical parison at an extrusion station and then fall away from the parison as the parison is severed. The captured parison is blow molded and cooled as the blow unit is rotated around the turntable. The finished article, commonly a bottle, is ejected from between the mold halves before the mold halves return to the extrusion station.
    Type: Grant
    Filed: March 30, 1988
    Date of Patent: January 31, 1989
    Assignee: Graham Engineering Corp.
    Inventors: Paul M. Oles, Frederick J. Shepps