B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/43
B23K 9/04 (2006.01)
Patent
CA 1272512
Gebruder Sulzer AG A B S T R A C T In the process the build-up or facing material is melted in an electric arc between a parent member (5) rotating around an axis and at least one electrode (4) moving relatively thereto, whereafter the facing material sets on the parent member. To form at least one closed cross-section channel (2) in the parent member wall to be built up, as the electrode (4) moves at least one welding parameter is varied upon the zone being reached which the subsequent channel (2) is required to occupy. After the electrode (4) has passed such zone the original welding parameter is restored and the resulting still open channel receives a former bounding the remaining cross-section of the subsequent channel. Build-up welding is then resumed until the required wall thickness of the member (1) has been reached.
530168
Gowling Lafleur Henderson Llp
Sulzer Brothers Limited
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