| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a processing method capable of easily fixing a nut or bolt into a round or square pipe by welding using a simple fixture. <P>SOLUTION: There is provided a processing method for welding a nut or the like into a square pipe or the like being a base material by boring the square pipe, placing the nut, bolt or the like on the simple fixture, and penetrating the heat of laser beams from the outside of the square pipe. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
