Patents Assigned to Ukrainsky Nauchno-Issledovatelsky Institut Spetsialnykh Stalei, Splavov I Ferrosplavov
  • Method for applying protective coating to metal pipes
    Patent number: 4197336
    Abstract: A method comprises diffusion metal coating of pipes carried out in a vacuum chamber which contains metal evaporators. Prior to coating process a metal is fed into the interior of each pipe with the melting temperature thereof being substantially below that of the pipe metal. The metal coating of pipes is effected at a temperature above the melting temperature of the metal disposed within the pipes which are continuously rotating about their axes while axially advancing through the metal evaporator.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: April 8, 1980
    Assignee: Ukrainsky Nauchno-Issledovatelsky Institut Spetsialnykh Stalei, Splavov I Ferrosplavov
    Inventors: Vladimir I. Savchenko, Anatoly I. Plyshevsky, Evgeny P. Ponomarenko, Grigory D. Duply, Georgy I. Khaustov, Iosif J. Korobochkin, Olga S. Vilyams, Jury K. Belov