Volume controlled receptacle

Details Volume controlled receptacle Volume controlled receptacle

1997-03-25

1998-11-17

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Drip prevention by flow reversing and/or overfill removal

Simultaneous filling and removing

141 2, 141 18, 141311A, 422100, B65B 104, B65B 304

Patent

active

058363602

ABSTRACT:
A volume-control receptacle has a reservoir with a bottom. The reservoir is adapted for receiving a fluid. The receptacle has a plurality of capillaries opening on the reservoir at a specific height above the bottom; the capillaries draw off the excess fluid from the receptacle, thereby leaving a specific amount of fluid in the reservoir. In a preferred embodiment, the volume-control receptacle is adapted for use with a disposable cuvette. The reservoir of the receptacle has a drain at the bottom connected to the cuvette for delivering the fluid to a testing instrument or other final application point. The volume-control receptacle has a lip projecting upward from a promontory of the receptacle. A rib extends downward from the lip to the bottom of the reservoir for guiding the fluid into the reservoir.

REFERENCES:
patent: 2737417 (1956-03-01), Gundersen
patent: 2850050 (1958-09-01), Connolly
patent: 3895661 (1975-07-01), Praglin et al.
patent: 4706720 (1987-11-01), Pattison et al.
patent: 5110555 (1992-05-01), Moore et al.
patent: 5504011 (1996-04-01), Gavin et al.
patent: 5534226 (1996-07-01), Gavin et al.

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