| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin pin for welding which has a reduced number of parts and can be formed at a low cost. <P>SOLUTION: In the pin for welding, a pin part 11b is connected to a head part 11a. An engagement channel 12 for rotation which is opened to its head surface is formed in the head part 11a. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
