Dispensing – Collapsible wall-type container – Plural container and/or compartment
Patent
1983-03-17
1984-09-11
Reeves, Robert B.
Dispensing
Collapsible wall-type container
Plural container and/or compartment
604403, B65D 3522, A61J 100
Patent
active
044705204
ABSTRACT:
Disclosed is an apparatus for storing blood gas quality control reagent comprising a first variable volume, gas impermeable container for receiving the reagent. The reagent is stored exclusively in the liquid phase therein. A valved exit passageway emanates from the container which container is situated in a second container surrounding the first, a space being present therebetween and a compressed gas situated in the space. Upon opening the valve, the compressed gas decreases the volume of the first container and reagent is expelled through the exit passageway. The present device is uneffected by changes in ambient temperature since the reagent is stored exclusively in the liquid phase. The device is reusable since a portion of the reagent may be expelled without contamination of the remaining contents.
REFERENCES:
patent: 2815889 (1957-12-01), Stetz et al.
patent: 3098589 (1963-07-01), Graham
patent: 3670926 (1972-06-01), Hill
patent: 3837533 (1974-09-01), Splan
patent: 3979025 (1976-09-01), Friedrich et al.
patent: 4266941 (1981-05-01), Sullivan
patent: 4375743 (1983-03-01), Sullivan
Corning Glass Works
Heist D. M.
Reeves Robert B.
Wacyra Edward M.
Zebrowski W. S.
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