| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flange which can be coupled in highly air-tight condition than conventional ones, can be easily handled at lower cost than the conventional ones, and a gasket used in the same. <P>SOLUTION: The flange with an optional shape is characterized in that a through hole is formed in a center part, a fitting in groove is formed in a surface surrounding the through hole, a holding part is formed by raising the bottom part of the through hole side in the fitting in groove, a knock pin hole is arranged outside of the holding part of the fitting in groove, a large groove continuing to the fitting in groove and arriving at an outer peripheral surface is formed in the front surface, a small groove continuing to the fitting in groove and arriving at the through hole is arranged in the front surface, and a plurality of bolt holes passing through from the front surface to a back surface are bored around (outside of) the fitting in groove. <P>COPYRIGHT: (C)2012,JPO&INPIT |
