Patents by Inventor Eiji Horiuchi

Eiji Horiuchi 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).

  • Extrusion head for use in blow molding machine
    Patent number: 4422838
    Abstract: An extrusion head for use in blow molding machines for molding parison having a single layer or wall or a plurality of layers or walls, in which a plunger is slidably interposed between a head body and a core and the plastic material is successively accumulated in an accumulation chamber defined between the extruding end of the plunger, the head body and the core so that the faster the plastic material is introduced into the extrusion head, the faster it is extruded.
    Type: Grant
    Filed: June 5, 1981
    Date of Patent: December 27, 1983
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Akira Iwawaki, Eiji Horiuchi, Sadahiko Shinya, Kinshiro Kojima, Katsuo Kodama, Kotaro Kawabata, Hisahiko Fukase