Valves and valve actuation – Tube compressors – Perpendicularly reciprocating tube contacting element
Patent
1985-01-17
1986-03-11
Schwadron, Martin P.
Valves and valve actuation
Tube compressors
Perpendicularly reciprocating tube contacting element
251 4, 604250, F16L 5514
Patent
active
045750416
ABSTRACT:
This invention relates to a controller and in particular to a liquid flow controller for intravenous injection comprising a first cylindrical member provided at one end surface with a pair of threaded tongues which extend outwardly therefrom and form a recess thereof, a flange being properly disposed on said end surface, a second cylindrical member being hollowed and threadedly engaged with said first cylindrical member, an annular member provided at a first end surface with a hole being received within and secured to said second cylindrical member, a controlling rod being inserted into and located within said annular member, a rubber hose partially surrounded by a rubber ring being positioned in said recess and clamped between said flange and said controlling rod, a solid rubber rod being inserted into and received within said rubber hose, and a pair of connectors being disposed on the both terminals of said rubber hose of a better connection.
REFERENCES:
patent: 2285974 (1942-06-01), Huber
patent: 3078501 (1963-02-01), Thorman
patent: 3410517 (1968-11-01), Wall
patent: 4176671 (1979-12-01), Citrin
patent: 4257446 (1981-03-01), Ray
Novack Sheri M.
Schwadron Martin P.
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