Patents by Inventor Seshiro Akaura

Seshiro Akaura 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).

  • Cork line having foamed thermoplastic resin floats integrally bonded to a leader and a process for producing same
    Patent number: 4152798
    Abstract: A process for producing cork lines which comprises holding a leader or lers with a pair of metal molds having at the junctional surfaces thereof one or more cavities for forming a float or floats and one or more furrows formed so as to pass through said cavity or cavities for holding said leader or leaders, injecting a molten synthetic resin mixed witha foaming agent into said cavity or cavities to effect molding and foaming of said resin, cooling said metal molds and taking out a flat or floats integrally fixed to said leader or leaders from said metal molds.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: May 8, 1979
    Assignee: (Ashimoro Industry, Co., Ltd.) Ashimori Kogyo Kabushiki Kaisha
    Inventors: Seshiro Akaura, Yasushi Nagamune, Takeshi Nakamura