Patents Assigned to Spetsialnoe Proektnokonstruktorskoe I Tekhnologicheskoe Bjuro "Energostalproekt"
  • Method of spot arc welding
    Patent number: 4396821
    Abstract: To spot weld overlapping work pieces contact electrodes are used with concave portions. The workpiece is preheated by the contact electrodes then spot arc welded by a consumable wire fed through one of the contact electrodes. The spot arc weldment takes the final shape of the concave portions.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: August 2, 1983
    Assignee: Spetsialnoe Proektnokonstruktorskoe I Tekhnologicheskoe Bjuro "Energostalproekt"
    Inventors: Genrikh N. Strekalov, Anatoly S. Shtyrin, Viktor I. Matveev, Mikhail A. Maryanchik, Genrikh S. Garibov, Valery G. Chumachenko, Fedor I. Sloevsky, deceased