Patents by Inventor Kunio Umeda

Kunio Umeda 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).

  • Yarn piecing and knotting device for pneumatic spinning apparatus
    Patent number: 4121409
    Abstract: A yarn piecing and knotting device for use in a pneumatic spinning machine for spinning slivers directly into a yarn by air jetting nozzles is disclosed. This yarn knotting device comprises means for retaining a spun yarn temporarily during a period ranging from the time of completion of the operation of a yarn knotter for connecting the spun yarn with a yarn taken out of a package to the time of resumption of winding.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: October 24, 1978
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Hiroshi Uchida, Kunio Umeda, Zenpei Tachibana, Nobunori Kubota