| 摘要 |
<p>A keg in an inverted position is lifted from a horizontal track 12 by a head 20 under the action of fluid pressure and is then forced back into engagement with the track by a clamp (31,32) operated by fluid-pressure and acting on the inverted bottom of the keg, the clamp overcoming the fluid-pressure applied to the head and sealing the head to the keg.</p> |
