Patents by Inventor Susumu Hunahashi

Susumu Hunahashi 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).

  • Apparatus for removing solids deposited on inner surface of rotary kiln
    Patent number: 4102001
    Abstract: An apparatus comprises an elongated boring bar having a cutting edge at its front end, an assembly coupled to the boring bar for reciprocally moving the boring bar axially of a rotary kiln, and an assembly for rotating the boring bar. The boring bar is advanced into the kiln with the cutting edge retracted from the kiln wall and, upon clearing the tuyere dam of the kiln, the cutting edge is brought close to the kiln wall by rotating the boring bar. The boring bar is then advanced again to scrape off and remove solid deposits from the kiln wall.
    Type: Grant
    Filed: March 18, 1977
    Date of Patent: July 25, 1978
    Assignee: Kubota Ltd.
    Inventors: Takashi Baba, Susumu Hunahashi, Toshihiko Kawabata