| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bolt for correcting dislocation between connecting flange surfaces of pipes. <P>SOLUTION: An underhead section diameter of the bolt 3 is formed smaller a little than a diameter of a bolt hole of a flange, and is connected to a screw part further small in a diameter via a tapered part. <P>COPYRIGHT: (C)2012,JPO&INPIT |
