| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flange connection including a first flange and a second flange. <P>SOLUTION: In the flange connection 100 which includes the first flange 301 having a first mounting hole and at least one second flange 302 having a second mounting hole adapted to be aligned with the first mounting hole, a bolt 101 including a shaft portion 102 having a threaded portion, and a head portion 103 formed at one end of the shaft portion is adapted to pass through the first and second mounting holes. A screw nut 201 is adapted to be screwed onto the threaded part and for connecting, when tightened, the first flange 301 and at least one second flange 302. At least one of the head portion and the screw nut includes a convex surface which is oriented toward the respective flange, and the respective flange includes, at the mounting hole, a flange recess 306 which is oriented toward the convex surface. <P>COPYRIGHT: (C)2012,JPO&INPIT |
