Patents by Inventor Mutsuo Suginaka

Mutsuo Suginaka 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).

  • Patent number: 4290761
    Abstract: A lagging body for a belt conveyor pulley comprises a wide and long rubber substrate and a number of rectangular or square small plate-like ceramic lagging elements aligned in the lateral and longitudinal directions and secured on the surface of said wide and long rubber substrate having a given thickness, wherein a lagging element is produced by adding an inorganic bonding agent essentially consisting of glassy material to ceramic particles, molding the resultant particles into a rectangular or square small plate-like article and firing or sintering the small plate-like article, and a number of the lagging elements are aligned on the surface of a wide and long length rubber substrate in the longitudinal and lateral directions and secured thereon.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: September 22, 1981
    Assignee: Nippon Tsusho Company Limited
    Inventor: Mutsuo Suginaka