| 摘要 |
<p>PURPOSE:To suppress stress concentration and extend the life of a bladder. CONSTITUTION:There are provided a fixing part (11C) which is fixed to an inner circumferential surface of a shell by means of a holder diaphragm part (11B) which is continuous relative to the fixing part (11C) and extended along the inner circumferential surface of the shell in an unloaded condition when fitted to the shell inner circumferential surface, and a bellows part (11A) which is continuous relative to the diaphragm part (11B) and reversed toward the fixing part (11C) side. This constitution allows the stress concentration to be suppressed and the life to be extended, and enables manufacturing with elastic synthetic resin material which is excellent in gas shielding property.</p> |
