Patents by Inventor Yukio Iwai

Yukio Iwai 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: 4922705
    Abstract: A cleaning device for a drafting device in a spinning machine comprises a clearer device provided at a drafting device of each of a large number of spindles provided in a row in the spinning machine, and a collecting device for fiber waste which reciprocally moves along the large number of spindles provided in a row above the clearer devices while contacting with the clearer devices and exfoliates and removes fiber waste from the clearer devices for the individual spindles.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: May 8, 1990
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Shoji Sakai, Yukio Iwai