Stopper assembly

Details Stopper assembly Stopper assembly

1974-11-27

1976-11-16

Queisser, Richard C.

Bottles and jars

Closures

With structure for removably holding an article or material

B65D 3900

Patent

active

039918963

ABSTRACT:
A reagent tube and stopper assembly comprising in combination a cylindrical receptacle for containing a clot timing test reagent solution and a flexible stopper for closure thereof and dispensing a spherical member into said reagent solution by depressing a probe into an upper cavity in said stopper and against a thin membrane separating a lower sphere containing cavity in said stopper.

REFERENCES:
patent: 1588847 (1926-06-01), McGee
patent: 2931230 (1960-04-01), Lowery
patent: 3411343 (1968-11-01), Baird, Jr.
patent: 3522731 (1970-08-01), Wilson
patent: 3635678 (1972-01-01), Seitz et al.
patent: 3772910 (1973-11-01), McGinn et al.

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