| 4310737 |
Pipe resistance butt welding apparatus |
Boris E. Paton, Vladimir K. Lebedev, Vasily A. Sakharnov, Boris A. Galyan, Alexandr P. Miroshnichenko |
1982-01-12 |
| 4297665 |
Doughnut-type transformer for resistance butt welding |
Boris E. Paton, Vladimir K. Lebedev, Vasily A. Sakharnov, Boris A. Galyan, Stanislav D. Dobrovolsky |
1981-10-27 |
| 4288676 |
Method of continuous flash butt welding and hydraulic drive of continuous flash butt-welding machine for realization of this method |
Ivan A. Chernenko, Mikhail V. Bogorsky, Alexandr I. Kulesh, Vitaly T. Cherednichok, Vladimir I. Tishura |
1981-09-08 |
| 4273985 |
Internal resistance pipe butt welder |
Boris E. Paton, Boris E. Scherbina, Vladimir K. Lebedev, Oleg M. Ivantsov, Vasily A. Sakharnov +3 more |
1981-06-16 |
| 4269552 |
Apparatus for removing a welding bulge from resistance welded pipes |
Mikhail R. Unigovsky, Evgeny V. Rulevsky, Georgy A. Arendt, Vladimir G. Chirskov, Julian K. Konovalov +4 more |
1981-05-26 |
| 4249153 |
Ring transformer for resistance butt welders |
Boris E. Paton, Vladimir K. Lebedev, Vasily A. Sakharnov, Boris A. Galyan, Stanislav D. Dobrovolsky +1 more |
1981-02-03 |
| 4217478 |
Device for controlling butt welding machine |
Valery G. Krivenko, Ivan K. Golomovzjuk |
1980-08-12 |
| 4208569 |
Device for controlling the process of flash-butt welding |
Valery G. Krivenko, Nikolai V. Podola, Vadim P. Krivonos, Boris L. G. Chev |
1980-06-17 |