DEVICE FOR RESISTANCE BUTT-WELDING OF PIPE WITH STOPPER Russian patent published in 2007 - IPC B23K11/04 B23K11/30 G21C21/02

Abstract RU 2291037 C1

FIELD: mechanical engineering; welding.

SUBSTANCE: invention relates to resistance butt-welding of pipe with stopper at sealing of fuel elements of nuclear power stations. Proposed device is electrode in form of chuck with central hole, provided with current supply surface and surface to transmit welding force. Current supply and welding force transmitting surfaces of electrode are separated and arranged at angle relative to each other. Current supply surface is arranged parallel to axis of central hole. Surface to transmit welding force is made of dielectric material. Groove is made on current supply surface of axial hole of electrode.

EFFECT: improved quality of welded joint.

3 cl, 1 dwg

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RU 2 291 037 C1

Authors

Kislitskij Aleksandr Antonovich

Dates

2007-01-10—Published

2005-06-20—Filed