Patents by Inventor Tsai Son-Kung

Tsai Son-Kung 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 producing fiber reinforced plastic billiard cue
    Patent number: 4816203
    Abstract: A method of producing a fiber reinforced plastic billiard cue which includes a tip end portion and a butted portion by forming an open-ended tubular tube of fiber reinforced plastic; securing joining devices in one open end of the tubular tube; placing the tubular tube in a cavity of a mold corresponding substantially to the size and shape desired of the billiard cue; heating the mold under a predetermined temperature for curing the tubular tube; applying compressed gas through the other open end of the tubular tube to force the shell thereof into contact with the inner surface of the cavity of the mold; and releasing the compressed gas from the open end of the tubular tube.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: March 28, 1989
    Inventor: Tsai Son-Kung