Patents by Inventor Vladimir V. Pljusnin

Vladimir V. Pljusnin 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).

  • Feeding device of a tube cold-rolling mill
    Patent number: 4145906
    Abstract: The present invention relates to mills for cold rolling of tubes, and more particularly to the improvement of a feeding device incorporated in a tube cold-rolling mill. The feeding device in question comprises a means for pushing the tube to be rolled, a driven continuously moving link arrangement connected with the tube pushing device through a device for transmitting continuous motion of said link arrangement into intermittent motion of the pusher means along the axis of rolling. The transmission device comprises a body, a sleeve slidable in the travelling direction of the pusher device by means of the link arrangement, and two coaxially arranged resilient members with different degrees of rigidity, one of said resilient members being preloaded.The resilient members each having its one end connected to the sleeve, and the other end to the pusher means, the other resilient member being connected to the body.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: March 27, 1979
    Assignee: Proizvodstvennoe Obiedinenie "Elektrostaltyazhmash"
    Inventors: Nikolai S. Makarkin, Evgeny P. Solodikhin, Vladimir V. Pljusnin