POLYHEDRAL TUBE ROTARY JUNCTION FUSION WELDING METHOD Russian patent published in 1994 - IPC

Abstract RU 2022746 C1

FIELD: power, chemical and other branches of engineering. SUBSTANCE: method involves providing welding of rotary junction of polyhedral tube by continuously rotating welding head in junction plane, with normal position of welding head with respect to tube surface at welding point being maintained; simultaneously moving welding head in axial direction, while maintaining constant length of arc gap. EFFECT: high quality of rotary junctions. 8 dwg

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RU 2 022 746 C1

Authors

Volkov A.I.

Dates

1994-11-15—Published

1990-04-06—Filed