Distillation: apparatus – Apparatus – Systems
Patent
1994-01-19
1996-07-16
Manoharan, Virginia
Distillation: apparatus
Apparatus
Systems
159 61, 159 251, 159DIG16, 159DIG42, 202205, 202238, 202265, 203DIG2, B01D 310
Patent
active
055363741
ABSTRACT:
An evaporator flask for a rotary evaporator is formed in two portions: a bowl and a lid secured to the bowl by a connecting ring. The lid is connected to a rotary drive means, and a conduit passes through the lid to provide fluid communication between the interior of the flask and a condenser. A mechanical scraper or stirrer is affixed to the end of the conduit within the bowl portion of the flask.
REFERENCES:
patent: 2539699 (1951-01-01), Perry et al.
patent: 3054444 (1962-09-01), Robbins
patent: 3138370 (1964-06-01), Anderson et al.
patent: 3837491 (1974-09-01), Humiston et al.
patent: 4780178 (1988-10-01), Yoshida et al.
patent: 4790911 (1988-12-01), Parkinson
patent: 4913777 (1990-04-01), Parkinson
patent: 5419814 (1995-05-01), Kunihiro et al.
Buchi Labortechnik AG
Manoharan Virginia
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