Patents by Inventor Fumio Kanou

Fumio Kanou 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 plastic hollow article
    Patent number: 4420454
    Abstract: The peripheral portion of a flat, molecularly orientable material stock of substantially uniform thickness having a temperature below the upper limit of the molecularly orientable temperatures of the plastic material is clamped, and the central portion of the plastic material stock is introduced into a die cavity while compressing the central portion with an upper plunger and a lower plunger, thereby forming a hollow preform having a sidewall portion made from the plastic material which has been forced out from between the upper plunger and the lower plunger, while the sidewall portion is kept in contact with the side surface of the upper plunger kept at about molecularly orientable temperature.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: December 13, 1983
    Assignee: Toyo Seikan Kaisha, Limited
    Inventors: Kiyoshi Kawaguchi, Muneki Yamada, Nobuyuki Kato, Fumio Kanou, Akira Sakamoto, Minoru Mitsuhashi