Valves and valve actuation – Tube compressors – Roller tube contacting element
Patent
1988-11-14
1990-01-23
Rosenthal, Arnold
Valves and valve actuation
Tube compressors
Roller tube contacting element
F16L 5514
Patent
active
048953407
ABSTRACT:
A clamp for adjusting the throughflow cross-section of a tube, in particular for medical devices intended for once-only use, essentially comprises a U-shaped elongted clamp housing and a clamping roller longitudinally displaceable in the housing, as well as a clamping area angularly positioned with respect to the housing cross-piece, narrowing in the longitudinal direction of the housing and intended to establish the required throughflow cross-section of the tube. To prevent readjustment of a throughflow cross-section once this has been set, provision is made for the clamping area forming the throughflow cross-section of the tube to be formed by means of an annular notch at one edge of the clamping roller in conjunction with a housing sidewall, whilst forming a narrow acute-angled triangular cross-section which supports the tube on all sides.
REFERENCES:
patent: 4065093 (1977-12-01), Phillips
patent: 4270725 (1981-06-01), Scott et al.
patent: 4475709 (1984-10-01), Becker
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