Valve-centrifuge

Details Valve-centrifuge Valve-centrifuge

1977-12-01

1980-03-11

Marcus, Michael S.

Coating apparatus

With means to centrifuge work

422 72, 233 20R, 233 26, B04B 512, B05C 1108, G01N 3316

Patent

active

041922506

ABSTRACT:
Centrifuge for depositing cytological material from a suspension onto a substrate, such as a slide, comprising a rotor having recessed therein a plurality of sedimentation chambers each providing a location for a substrate, said rotor further comprising for each sedimentation chamber a drainage channel leading from the bottom of the chamber to the periphery of the rotor, and a valve normally sealing said drainage channel, the drainage channel being constricted such that when the valve is enabled the fluid flow through the drainage channel is limited up to a predetermined maximum.

REFERENCES:
patent: 3352280 (1967-11-01), Hughes et al.
patent: 3619865 (1971-11-01), Hazzard
patent: 3856470 (1974-12-01), Cullis
patent: 3870789 (1975-03-01), Mikat
patent: 3880592 (1975-04-01), Kelley et al.
patent: 3899296 (1975-08-01), Mailen et al.
patent: 3906890 (1975-09-01), Amos et al.
patent: 4031852 (1977-06-01), Clarke et al.
patent: 4035156 (1977-07-01), Shumare
G.I.T. Fachzeitschrift fuer des Laboratorium, vol. 15, No. 1, Jan. 1971.

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