| 摘要 |
An adapter having a body and a cooperating cover with a seal therebetween is characterized by a stop surface provided on the exterior surface the body. The body and the cover are held together by a clamping bail that is either separate from or, more preferably, pivotally mounted to, the body. The bail is slidably movable over the body and the cover from an open to a clamping position. In the clamping position the bail abuts against the stop surface with the major axis of the bail being most preferably collinear with the major axis of the adapter. With the bail in the clamping position the cover is held to the body in a manner that compresses the seal therebetween. The bail is formed of a material having sufficient strength to withstand a vertical force created by the pressure of a liquid carried in the tube under centrifugation.
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