Patents by Inventor Tsuguo Nobata

Tsuguo Nobata 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 producing a tire forming bladder
    Patent number: 5658512
    Abstract: A method for producing a bladder includes shaping a mass of crude rubber containing an oil component into a specified bladder shape by a mold; vulcanizing the shaped bladder in the mold; removing the vulcanized bladder from the mold; placing the vulcanized bladder in an environment having a high temperature to keep the vulcanized bladder in the high temperature for a specified time to remove the oil component from the vulcanized bladder; and coating an outer surface of the oil component-removed bladder with a separating agent layer.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: August 19, 1997
    Assignee: Sumitomo Rubber Industries Limited
    Inventors: Tsuguo Nobata, Junichiro Kawasaki, Toshihiro Okada, Yoshie Itoh