| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem: in a method for welding and fixing, with a laser etc., an inner tube 2 of an accumulator to a burring part 1 of a sealed container using welding such as laser welding in order to prevent distortion of a compression element, the laser penetrates the inner tube 2 of the accumulator whose board thickness is thin, depending on an irradiation angle of the laser. <P>SOLUTION: Based on the center line of the inner tube 2 of the accumulator, the irradiation angle α of the laser is 0°≤α≤10°. <P>COPYRIGHT: (C)2012,JPO&INPIT |
