| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that there is a case of being difficult in welding by inclining a torch of a welding device from a reason such as a clearance of pipes is narrow, when connecting a plurality of pipes to a case of a compressor by welding such as arc welding. <P>SOLUTION: The case of the compressor has the plurality of pipes adjacently arranged on an outer surface, a collar part projecting outward in the radial direction from an outer peripheral surface of the pipe, is arranged in at least one pipe among the plurality of pipes, and the collar part is welded to the case by an arc. This compressor has a first pipe having the collar part or having no collar part and a second pipe having the collar part, and is manufactured by welding the second pipe by the arc after welding the first pipe to the case by the arc. <P>COPYRIGHT: (C)2013,JPO&INPIT |
