Patents by Inventor Tetuo Sibagaki

Tetuo Sibagaki 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 for forming a rod-like molding
    Patent number: 4720368
    Abstract: A method of forming a fiber reinforced synthetic resin rod-like molding including a rod-like core portion having at least in the outer portion thereof a reinforcing fiber bundle integrally adhered together by a thermosetting resin and a thermoplastic resin layer coating the core portion is disclosed. The outer surface portion of the core portion and the inner surface portion of the thermoplastic resin layer are integrally adhered together due to an anchor effect generated by contacting between the thermosetting resin and the thermoplastic resin in a semifluid state under pressure.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: January 19, 1988
    Assignee: Ube-Nitto Kasei Co., Ltd.
    Inventors: Takayoshi Nakasone, Tetuo Sibagaki, Kenji Kozuka