Patents by Inventor Toshio Soneta

Toshio Soneta 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).

  • Calendering roll cleaning apparatus
    Patent number: 5198243
    Abstract: A calendering roll cleaning apparatus having a cleaning tape for wiping the surface of a calendering roll and an elastic belt formed of an elastic material is disclosed. The cleaning tape is thrust by the elastic belt from the back side of the calendering roll into pressure contact with the calendering roll. The elastic belt is formed of silicon rubber and is formed with indentations at predetermined pitch on its surface contacting with the cleaning tape. The cleaning tape is constituted b a porous fibrous base material and an abrasive applied in stripes on the base material.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: March 30, 1993
    Assignee: Sony Corporation
    Inventors: Tatsuo Shimizu, Osamu Yamaura, Toshio Soneta, Takashi Aoya