B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
78/64
B23K 5/22 (2006.01) B23K 9/035 (2006.01)
Patent
CA 1040461
Abstract of the Disclosure A movable welding backing device, which comprises guide rails laid alongside that portion of an object of welding which is going to be welded, a track traveling on the guide rails; a backing plate fitted to the track so as to be pressed against the underside that portion of the objecting welding which is going to be welded, detecting means for detecting the welding spot of the object of welding; and control means for controlling the travel of the truck so as to cause the backing plate to be always brought right below the welding spot.
249206
Nomura Hirokazu
Takahashi Tomio
Tohno Katsumi
LandOfFree
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