Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1981-07-06
1983-07-05
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422102, 81 31C, 81 334, 215296, B01L 1100
Patent
active
043917798
ABSTRACT:
An adaptor for ground glass joints or couplings for laboratory glassware includes a Teflon body member having male and female coupling portions and a retracting nut threadably mounted on one end of the coupling member for engaging the end of a female joint member for retraction of the male member therefrom. An alternate embodiment comprises a Teflon stopper having a retracting nut.
REFERENCES:
patent: 2052713 (1936-09-01), Juffa
patent: 2801017 (1957-07-01), Cortat
patent: 3323874 (1967-06-01), Philips
Sargent Welch Cat. 1971, pp. 309, 1008, 1010, 1011.
Marcus Michael S.
Rubens George J.
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