Patents by Inventor Kikuji Tachibana

Kikuji Tachibana 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 and apparatus for coating the inner surface of long tubes of small diameter
    Patent number: 4368219
    Abstract: A method and apparatus for coating a long tube of small diameter by means of inserting a supplying hose of double structure, with a spray nozzle ahead and two separately extending inner and outer hoses for supplying paint and compressed air respectively therethrough, into the long tube from one end opening thereof toward the other end opening thereof, and retracting the spray nozzle, when it has reached the destination, while spraying the paint at a predetermined speed. The inner hose for the paint is made of flexible material as an elastic hose for being compressive in the diametrical direction under the pressure from the compressed air in the outer hose and again restorable to the original shape when the pressure is released.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: January 11, 1983
    Assignee: Sumitomo Light Metal Industries Ltd.
    Inventors: Koji Nagata, Kyuji Sudo, Mamoru Nishikawa, Kikuji Tachibana