| 摘要 |
An isostatic press comprising an upstanding, hollow cylindrical vessel body which has both upper and lower ends sealed with plug type closures held in place by a yoke structure. The pressurization within the closed vessel is applied to a hydraulic structure to continuously lift the vessel body into contact with the upper closure when a predetermined pressurization is exceeded. In one embodiment the hydraulic structure includes a lower closure seal having a diameter which exceeds the diameter of the upper closure seal. In another embodiment the hydraulic structure includes hydraulic cylinders, which are connected by fluid passages to the interior of the pressure vessel, and which exert an upward force on the vessel body by means of extendable piston rods.
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