Patents by Inventor Anatoly I. Chvertko

Anatoly I. Chvertko 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: 5004885
    Abstract: An apparatus for overhead submerged-arc welding a hopper containing flux and accommodating a bowl having means for supplying flux and its pressing and having its open upper part facing towards a work being welded, a rear wall of the bowl in the welding direction being made in the form of a movable plate supported by a pivot pin extending perpendicularly with respect to its surface. Adjacent to a movable plate in the bowl is mounted a welding nozzle for supplying a consumable electrode and a forming means is provided above the brim of the open part of the bowl on a suspension supported by a pivot pin for cooperation with the movable plate and for oscillations in the longitudinal and transverse planes, and the hopper is suspended on the pivot pin of the suspension of the forming means. The pivot pin supporting the movable plate is mounted on a means for pressing an upper end face of the movable plate against the front end extremity of the underside of the forming means.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: April 2, 1991
    Inventors: Konstantin A. Juschenko, Pavel A. Varenchuk, Valentin D. Kovalev, Anatoly I. Chvertko, Nikolai T. Privalov, Vladimir G. Kuzmenko