Dual valve liquid transfer tube

Details Dual valve liquid transfer tube Dual valve liquid transfer tube

1989-09-27

1990-11-20

Crowder, Clifford D.

Surgery

Respiratory method or device

Combined with or convertible to a nonrespiratory device, or...

12820024, 239 33, A62B 700

Patent

active

049710486

ABSTRACT:
A liquid transfer device, which may be used as a drinking tube assembly to stablish fluid communication between the interior of a canteen and the interior of a protective mask, defines a pair of parallel fluid flow paths which respectively include opposite directly check valves. The parallel flow paths merge at the opposite ends of the assembly to form common flow paths which may be caused to respectively communicate with a suction tube and liquid storage container.

REFERENCES:
patent: 4505310 (1985-03-01), Schneider

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