| 摘要 |
Gas-shielded, arc welding apparatus for securing a tube to the sidewall of a pipe or the like and facilitating removal of the welding apparatus after completion of the weld includes a locating fixture adapted for clamping engagement with the pipe and for positioning a welding head with rotary guide means coaxially aligned with the tube, a welding torch assembly being supported for rotation upon the guide means and supplied with power during rotation for welding the tube to the pipe.
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