Patents by Inventor Lev Seliverstovich Kazantsev

Lev Seliverstovich Kazantsev 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).

  • Electrode holder
    Patent number: 4055722
    Abstract: An electrode holder comprises a casing of the electrode holder comprises, a cantilever head with recesses to install electrodes therein; on one of the walls of said cantilever head there are secured electroconducting contact plates with current-feeding pipes provided with replaceable inserts from electroconducting material, the thickness of the inserts employed depends on the thickness of the electrode to be installed; and each said replaceable insert has a cooling cavity, connected, via pipes for delivery and discharge of a cooling agent to a corresponding cavity for cooling said contact plate and said current-feeding pipe.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: October 25, 1977
    Inventors: Jury Sergeevich Lukyanov, Lev Seliverstovich Kazantsev, Andrei Grigorievich Pomeschikov, Gennady Fedorovich Skvortsov
  • Electroslag furnace
    Patent number: 4049901
    Abstract: The invention contemplates an electroslag furnace, wherein a vertical column is provided with an even number of supports, the carriages of the electrode holder and mould moving along guides on the supports, and in spaces between the supports there are provided hoses of a cooling system connected to the mould and to a bottom mounting for the mold, current supply cables being also connected to the bottom.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: September 20, 1977
    Inventors: Andrei Grigorievich Pomeschikov, Firs Alexandrovich Buryagin, Lev Seliverstovich Kazantsev, Gennady Fedorovich Skvortsov, Jury Anatolievich Naryshkin, Zinaida Ivanovna Gracheva
  • Crystallizer positioning and displacing apparatus
    Patent number: 3998265
    Abstract: The disclosed crystallizer positioning and displacing apparatus includes a movable carriage with grippers adapted to engage the suspension shaft of the crystallizer, the carriage also having at least two wedge-shaped abutments adapted to abut against wedge-shaped lugs mounted on the crystallizer in alignment with these abutments, the wedge-shaped abutments and the wedge-shaped lugs being situated below the suspension shaft of the crystallizer.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: December 21, 1976
    Inventors: Gennady Fedorovich Skvortsov, Lev Seliverstovich Kazantsev, Andrei Grigorievich Pomeschikov