Patents by Inventor John P. Giza

John P. Giza 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).

  • Method of making a golf ball having multiple layers
    Patent number: 5882567
    Abstract: A method of forming a golf ball by forming a core, forming a first layer around the core using a fixed-pin molding process, and forming a second layer around the first layer.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: March 16, 1999
    Assignee: Acushnet Company
    Inventors: Christopher Cavallaro, John P. Giza
  • Method for stripping molded U-shaped article from mold
    Patent number: 5158736
    Abstract: A cavity stripper which is positioned between two mold plates of a mold is used to remove a molded U-shaped article from a cup in one of the mold plates. The cavity stripper is movably attached to the mold plate that houses the cup. The cavity stripper is spring loaded such that it follows the moving mold plate for a short distance and by mechanical interference urges the molded article to remain with the mandrel during opening operations.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: October 27, 1992
    Assignee: Acushnet Company
    Inventor: John P. Giza
  • Apparatus for stripping a molded U-shaped article from an injection mold
    Patent number: 4988280
    Abstract: A cavity stripper which is positioned between two mold plates of a mold is used to remove a molded U-shaped article from a cup in one of the mold plates. The cavity stripper is movably attached to the mold plate that houses the cup. The cavity stripper is spring loaded such that it follows the moving mold plate for a short distance and by mechanical interference urges the molded article to remain with the mandrel during opening operations.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: January 29, 1991
    Assignee: Acushnet Company
    Inventor: John P. Giza
  • Retractable pin mold
    Patent number: 4959000
    Abstract: An improved retractable pin mold for golf balls has a gate valve positioned at the pole of the core.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: September 25, 1990
    Assignee: Acushnet Company
    Inventor: John P. Giza