Measuring and testing – Sampler – sample handling – etc. – Sample holder
Patent
1981-11-02
1983-10-18
Swisher, S. Clement
Measuring and testing
Sampler, sample handling, etc.
Sample holder
356246, 422102, 250428, G01N 110
Patent
active
044098545
ABSTRACT:
There is disclosed a sample cup for use in holding a sample for spectrochemical analysis. The sample cup consists of a cell member which is cup shaped and has a closed bottom and an opened top. The top surface of the closed bottom has a recessed section which extends towards the bottom surface at a given taper with the diameter being larger near the bottom surface of the closed bottom. This forms an area on the closed bottom which is relatively thin.
Located on the bottom surface of the closed bottom is an upstanding plunger which is positioned within the thin area. The plunger has grooves directed from top to bottom on the side walls and when depressed ruptures the closed bottom of the cell to create a vent necessary to equalize pressure. The sample cup is adapted to have its top opening covered by a thin plastic film which is secured in position by a collar and snap on ring assembly. The entire assembly with a sample is placed in a vacuum or gas environment and the plunger is depressed to rupture the closed bottom to provide pressure equalization when the cup is assembled as indicated.
REFERENCES:
patent: 3378684 (1968-04-01), Mentink et al.
patent: 3716780 (1973-01-01), Shapiro
patent: 4037109 (1977-07-01), Hosokawa
patent: 4346299 (1982-08-01), Mitteldorf
Chemplex Industries, Inc.
Plevy Arthur L.
Swisher S. Clement
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