Apparatus for preventing welding distortion, and method for welding pipe and flange using the same
AssigneePosco
InventorsJae-Yik Lee, Kyu-Tae Han
Life of this patent
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Abstract
The present invention relates to an apparatus for preventing welding distortion and a method for welding a pipe and a flange using same, the apparatus being capable of effectively reducing welding distortion of a flange, which occurs during welding with a pipe and improving economic efficiency and productivity. The apparatus for preventing the welding distortion comprises: at least one counterweight which is arranged to be in contact with one side of a flange that is to be welded to a pipe, and has a hollow portion therein; and a fastening tool which fixes the counterweight to the flange, wherein the hollow portion of the counterweight may accommodate a refrigerant.
Claims13
An apparatus for preventing welding distortion, comprising:
- at least one counterweight disposed to be in contact with one side of a flange, to be welded to a pipe, and having a hollow portion therein;
- and
- a fastener fixing the counterweight to the flange,
- wherein the hollow portion of the counterweight accommodates a refrigerant.
Dependencies are inferred from the claim text.