Patents by Inventor Jury L. Zarapin

Jury L. Zarapin 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: 4263796
    Abstract: A vacuum roll mill stand comprises a housing closed at opposite sides with covers and having its interior brought in communication with a vacuum pumping means to thereby form a chamber adapted to accommodate chocks carrying workrolls geared through the intermediary of spindles to a drive. The chocks together with the workrolls are secured on one of the housing covers thereby forming a frame, the housing being annular in shape and arranged so as to have its geometrical axis coincident with the axis of rolling; the housing also being fitted with through openings adapted to receive the spindles together with vacuum seals.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: April 28, 1981
    Inventors: Vladimir N. Vydrin, Alexandr V. Krupin, Leonid A. Barkov, Vyacheslav N. Chernyshev, Valery V. Pastukhov, Jury L. Zarapin, Pulatzhan S. Maxudov, Nikolai N. Sergeev, Eduard E. Osipov, Sergei F. Burkhanov