B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/37
B23K 9/12 (2006.01) B23K 9/02 (2006.01) B23K 9/028 (2006.01)
Patent
CA 1233530
ABSTRACT OF THE DISCLOSURE The invention relates to a method of automatic or remotely operated welding of the cover and/or the bottom to the walls of a container for receiving and storing radioactive fuel elements and wastes in a hot cell by employing the narrow joint welding technique, wherein at least one sensor sensing the course of the weld line between the container wall and the contain? cover and/or bottom is effective to assist at least one three-dimensionally movable welding head controlled by control means utilizing signals supplied by the sensor to guide it along the joint for producing a continuous welding seam consisting of a plurality of super- imposed and offset weld beads or passes, respectively. To obtain improved welding results and for safe and trouble-free automatic and/or remotely operated welding, the loaded container including the attached cover and/or bottom is caused to rotate about its longitudinal axis, and the joint between contain? wall and cover and/or bottom is caused to move past the sensors and the welding heads. Upon completion of the welding operation the welding slag is removed. Sensors are provided for the lateral and vertical guidance of the welding head. The welding is effected under flux. A chisel and a nailer are employed to loosen the welding slag which is removed from the weld by a suction nozzle.
472855
Geisert Gunter
Popp Franz W.
Deutsche Gesellschaft Fur Wiederaufarbeitung von Kernbrennstoffe
Johnson Douglas S. Q.c.
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