1974-05-20
1976-03-16
Aegerter, Richard E.
259 91, 259DIG18, 259 75, 259 56, B01F 1100
Patent
active
039441881
ABSTRACT:
A concentrating vortex shaker for the simultaneous shaking and concentration of a multiplicity of liquid samples comprises a heat-conductive block having a plurality of openings for receiving laboratory vessels containing sample liquids and removably mounted on a base provided with an adjustable eccentric drive for displacing the block in a gyrating motion. An airtight cover is removably mounted on the block and forms a chamber above the samples which can be controllably evacuated. The samples can be heated or cooled by a temperature-controlled liquid which is fed through a channel formed in the block or heated by an adjustable electrical heater provided in the block mounting or cooled by a cooling plate, upon which the block mounts.
REFERENCES:
patent: 2384898 (1945-09-01), Dietert
patent: 3028476 (1962-04-01), Hug
patent: 3170810 (1965-02-01), Kagan
patent: 3635446 (1972-01-01), Kurosawa et al.
Buchler Joseph
Gross Otto
Parker Bernard
Aegerter Richard E.
Buchler Instruments Div. of Searle Analytic Inc.
Dubno Herbert
Jones Larry
Ross Karl F.
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