Patents by Inventor Vladimir K. Dulnev

Vladimir K. Dulnev 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).

  • Twisting member of ringless spinning apparatus
    Patent number: 4628678
    Abstract: A twisting member of a ringless spinning apparatus comprises a cylindrical ousing with blades on its peripheral side surface. Secured on the blades is a first disc with an eccentric passage extending therethrough for the advancement of fibres, this disc acting as one gripping element of a device for gripping the fibres. The other gripping element is in the form of a second disc with an axial passage which is coaxially mounted on one end of a spring-biased sleeve in a position facing the first disc with the eccentrically extending passage and defining a gap with this first disc. The sleeve is coaxially accommodated in the housing.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: December 16, 1986
    Assignee: Tashkentskoe Spetsialnoe Konstruktorskoe Bjuro Textilnykh Mashin
    Inventors: Valentin N. Tikhonov, Gennady V. Zhigalov, Abdurakhim Abduganiev, Vladimir K. Dulnev