| 摘要 |
The invention relates to a device for axially, externally mounting a expandable sleeve onto, and dismounting a expandable sleeve from, a cylinder, comprises an external fluid-transmission means which comprises a plurality of sections. These sections are attachable and detachable from each other for facilitating engagement and disengagement of the external fluid-transmission means with respect to the sleeve. In one form of this invention, the external fluid-transmission means sections are connected to each other at one of its respective ends, typically pivotally connected to each other. The other end of each the fluid-transmission means sections are then movable in an arcuate path between a closed position in which the fluid-transmission means section ends are in engagement with each other, and an open position in which the fluid-transmission means section ends are in disengagement with each other. The external fluid-transmission means sections typically includes a collar body and internal bushing means, preferably an interchangable internal bushing means, for surrounding the sleeve.
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