| 摘要 |
An improved parallel-acting roller clamp is disclosed, for regulating fluid flow through a deformable plastic tube with improved control of fluid flow rate. The roller clamp achieves this improved performance by configuring a tapered relief groove formed in the clamp's bottom wall to have a reduced taper angle in the clamp's low-flow region. This minimizes variations in flow rate over time, due to cold flow, or creep, of the pinched, deformable plastic tube. |
