B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/18 (2006.01) B23K 9/04 (2006.01) B23K 9/29 (2006.01)
Patent
CA 2084558
A method of applying a welded overlay to the interior surface of curved hollow articles such as 90 degree elbows utilizing a submerged arc welding gun curved to follow the radius of the hollow article and comprised of an elongated cylindrical body and a curved weld head, welding tip holder and welding tip, and incorporating a flux conveying system and a plurality of air release slots by which the flow of flux to the weld area is controlled. A first series of overlapping welds is applied longitudinally to the interior surface of the hollow article to cover 90 degrees of the surface therein. The article is rotated and a second series of overlapping welds are applied 180 degrees from the first series and again covering 90 degrees of the interior surface. A third series of overlapping welds are applied beginning at either of the end welds of the first series and covering 90 degrees of the interior surface. A fourth and final series of overlapping welds are applied, 180 degrees from the third series, covering the remaining 90 degrees of the interior surface.
Capitanescu Dan
Inc. Overlay Product Systems Inc. D/b/a Alloy Products Group
Mccarthy Tetrault Llp
LandOfFree
Weld overlay device and method for curved article does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Weld overlay device and method for curved article, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Weld overlay device and method for curved article will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1627848