Patents by Inventor Eiiji Saito

Eiiji Saito 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 of changing color of paints for an electrostatic coating machine
    Patent number: 4508266
    Abstract: An electrostatic coating machine comprises a coating machine main body having a rotary atomizing head and a cleaning shroud, a plurality of color change valve mechanisms for feeding paints and cleaning fluids to the rotary atomizing head, a first change-over valve provided at a position close to the rotary atomizing head, paint feed passages respectively connected to each of the color change valve mechanisms and selectively communicating with the rotary atomizing head by way of the first change-over valve, a drain passage for recovering the drainage from the cleaning shroud and the first change-over valve, a discharging section for forcively discharging the drainage from the drain passage, and a second change-over valve provided in the midway of the drain passage communicating from the cleaning shroud to the discharging section.
    Type: Grant
    Filed: June 10, 1983
    Date of Patent: April 2, 1985
    Assignee: Ransburg Japan, Ltd.
    Inventors: Eiiji Saito, Shoji Aizawa, Michio Mitsui, Tomohiko Miyata, Masayuki Kuroda
  • Electrostatic coating machine and method of changing color of paints thereby
    Patent number: 4422576
    Abstract: An electrostatic coating machine comprises a coating machine main body having a rotary atomizing head and a cleaning shroud, a plurality of color change valve mechanisms for feeding paints and cleaning fluids to the rotary atomizing head, a first change-over valve provided at a position close to the rotary atomizing head, paint feed passages respectively connected to each of the color change valve mechanisms and selectively communicating with the rotary atomizing head by way of the first change-over valve, a drain passage for recovering the drainage from the cleaning shroud and the first change-over valve, a discharging section for forcively discharging the drainage from the drain passage, and a second change-over valve provided in the midway of the drain passage communicating from the cleaning shroud to the discharging section.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: December 27, 1983
    Assignee: Ransburg Japan, Ltd.
    Inventors: Eiiji Saito, Shoji Aizawa, Michio Mitsui, Tomohiko Miyata, Masayuki Kuroda