SETT, APPARAT OCH ELEMENT FOR UTFORANDE AV EN UNDERVATTENSSVETSFOG

摘要

PCT No. PCT/FI85/00068 Sec. 371 Date Jun. 16, 1986 Sec. 102(e) Date Jun. 16, 1986 PCT Filed Aug. 14, 1985 PCT Pub. No. WO86/01137 PCT Pub. Date Feb. 27, 1986.A method and apparatus for accomplishing an underwater weld joint with a welding electrode between a support and an element to be welded fast onto the support in which the element to be welded fast is insulated from the ambient water with a protection cover which is disposed tightly against the free surface of the element to be welded fast and through the wall of which cover the welding electrode rotating about its longitudinal axis extends is led during the welding operation against the edges of an opening in the element to be welded fast, towards the support.