| 摘要 |
A pressure pump for fluids in flexible tubing, which comprises a pressure member of generally circular periphery adapted for orbital motion about an axis of rotation. A sleeve member is positioned about the pressure member and defines channel means for receiving and retaining the flexible tubing in a predetermined position between the pressure member and sleeve member, and surrounding the pressure member. The sleeve member may be divided into a pair of substantially semi-circular jaws attached together at one end in hinged relation, to permit opening and closing of the jaws about the pressure member to facilitate installation of the tubing.
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