Moulds integral with a workpiece have been used occasionally if they remained in place as a remnant or edge of the workpiece, for example, after roll buildingupbywelding.
整体模具与工件被用来偶尔如果他们仍然存在的残余或边缘的工件，例如，推出后建立的焊接。
2
A method as claimed in claim 1, wherein said step of buildingup said barrier is carried out by using an arc having a submerged consumable welding electrode.
法所称的索赔1 ，其中说一步说屏障建设进行使用电弧有淹没消耗焊条。
3
The invention refers to a method and apparatus for buildingup lines or layers of metal by fusion arc welding and particularly by submerged-arc welding.