Fluid handling – With leakage or drip collecting
Patent
1997-07-17
2000-02-15
Walton, George L.
Fluid handling
With leakage or drip collecting
73 491, 138113, 138114, 141 88, 251 58, 2851231, F16L 918, F16L 5500, B65B 104
Patent
active
060241152
ABSTRACT:
The instant invention consists of an inner cannula of hosing amenable to transport of a liquid coupled with an outer cannula or cannulae of hosing amenable to transport of a gas. As respects one embodiment, affixed to outer walling of the inner cannula and to inner walling of the outer cannula are rigid struts, typically three or four, at 120.degree. or rights angles with respect to one another at various points along the respective lengths of the cannulae that serve to maintain separation of the cannulae from one another at times when the inner cannula is filled with a liquid and the outer cannula is filled with a gas. A second embodiment is strut free. Each cannula has an ingress end whereat a liquid is introduced into the inner cannula and whereat a gas is introduced into the outer cannula. Each cannula likewise has an egress end whereat the liquid is expelled typically from a nozzle thereat located and the gas is amenable to discharge via the opening of a valve component of the instant invention likewise thereat located.
REFERENCES:
patent: 5156190 (1992-10-01), Staley, Jr.
patent: 5265652 (1993-11-01), Brunella
patent: 5285829 (1994-02-01), Bravo
patent: 5529098 (1996-06-01), Bravo
Walton George L.
Welch Jr, Esq John J
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