Flow control device

Details Flow control device Flow control device

1977-05-03

1979-12-11

Schwadron, Martin P.

Valves and valve actuation

Tube compressors

Pivoting tube contacting element

251 4, F16K 706

Patent

active

041779690

ABSTRACT:
A flow control device for controlling the rate of flow of fluid passing through flexible tubing used in particular for intravenous administration sets. The device comprises a body member with a bottom and two side walls defining a tubing receiving channel. The side walls are provided with aligned bearings journalling pivot means pivotally supporting a lever having at one end a semi-circular cam-like clamping disk substantially concentric with the pivot means. One edge of the leading portion or initial tube engaging clamping surfaces of said disk is rounded with the radius of curvature of said edge decreasing continuously, forming thus a clamping surface which will, upon movement of the lever, first collapse and deform the tubing into a L-shaped cross-sectional configuration and then press together the horizontal and then continuously the vertical part of the tubing. This device provides for an easily adjustable and unvarying flow rate.

REFERENCES:
patent: 3918675 (1975-11-01), Forberg
patent: 4034773 (1977-07-01), Huggins

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