| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a gasket for securing and sealing a sleeve mainly in the case of forming the plunger of a plunger pump into sleeve type. SOLUTION: This gasket 14 is to internally and externally keep both airtightness and watertightness for a cylindrical body 11 externally exposed to high pressure atmosphere and held in such a state as clamped. The gasket 14 is formed out of a hard plate type material 16 having a mounting through- hole 15, and an elastic seal member 17 integrated with the external surface thereof and formed to have larger thickness than the material 16.</p> |
