Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1981-07-13
1983-06-21
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 86, 422104, G01N 122, B01L 900
Patent
active
043893724
ABSTRACT:
A portable holder assembly in combination with one or more gas detection tubes each of which contain chemical sorbent material. Each sorbent tube has a tapered neck at each opposite end with an opening adapted for drawing ambient gas through the sorbent material. The holder assembly comprises an open ended hollow tubular shell surrounding each gas detection tube, end fitting means for closing the open ends of each shell to form a closed chamber between each shell and each gas detection tube and an O-ring mounted in each end fitting means in surrounding engagement with the tapered neck of each tube for suspending each tube within each shell and for sealing off the open ends of each tube from the closed chamber.
REFERENCES:
patent: 2234499 (1941-03-01), McAllister
patent: 2429694 (1947-10-01), King
patent: 2631088 (1953-03-01), Guild
patent: 3388975 (1968-06-01), Wallace
patent: 3539302 (1970-11-01), Dreckmann
patent: 3585963 (1971-06-01), Hiszpanski
patent: 4040783 (1977-08-01), Collin
patent: 4159304 (1979-06-01), Shono
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