The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 1980
Filed:
Dec. 21, 1978
Vladimir I Savchenko, Zaporozhie, SU;
Anatoly I Plyshevsky, Zaporozhie, SU;
Evgeny P Ponomarenko, Zaporozhie, SU;
Grigory D Duply, Nikopol, SU;
Georgy I Khaustov, Nikopol, SU;
Iosif J Korobochkin, Nikopol, SU;
Olga S Vilyams, Nikopol, SU;
Jury K Belov, Zaporozhie, SU;
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.