Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1984-11-30
1987-10-06
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
250428, 378 45, 378 49, 378 79, 356246, G01N 2310, G01N 2320, G01N 23223, G01N 2151
Patent
active
046982108
ABSTRACT:
A sample cup for use in spectroscopy consists of a cap member having an extending peripheral flange about a closed top surface, with a downwardly extending cylindrical bottom section, the peripheral flange of the cap member has a through aperture located on the inner edge of the flange and extending towards the periphery, a cell body is of a tubular configuration with an opened top and bottom with the opened top surrounded by a flange having an aperture on an inner surface for communicating with the internal hollow of the cell body. The cap member is adapted to coact with the opened top of the cell body and is rotatably supported thereon, whereby in a first mode the through aperture communicates with the cell aperture to create a vent passageway and in a second rotatable position, the apertures do not align to create a closed cell mode. The opened bottom of the cell body is covered by a thin plastic sheet which is held in position after a sample is placed in the hollow of the cell body by an annular retaining ring.
REFERENCES:
patent: 238693 (1976-02-01), Solazzi
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patent: 4037109 (1977-07-01), Hosokawa et al.
patent: 4046138 (1977-09-01), Libman et al.
patent: 4346299 (1982-08-01), Mitteldorf et al.
patent: 4409854 (1983-10-01), Solazzi
patent: 4448311 (1984-05-01), Houser
patent: 4575869 (1986-03-01), Torrisi et al.
Chemplex Industries, Inc.
Kummert Lynn M.
Marcus Michael S.
Plevy Arthur L.
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