Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Patent
1988-06-06
1989-10-31
Jones, W. Gary
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
210516, 210518, 422101, B01D 17038, B01D 2126
Patent
active
048775207
ABSTRACT:
A device is provided for separating the components of a liquid sample by centrifugation by dividing that portion of the sample having a higher specific gravity from that portion having a lower specific gravity, by utilizing a dual component assemby arranged to move in an evacuated container into the area adjacent the two portions of the sample under centrifugal force. The assembly includes a substantially rigid core component which nests within a cup-shaped elastomeric component having a built-in spring action, and which components interact with each other to provide alternating dual seals and open flow paths in response to different pressure differentials on each side thereof.
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patent: 4101422 (1978-07-01), Lamont et al.
patent: 4202769 (1980-05-01), Greenspan
Becton Dickinson and Company
Grindle Robert P.
Jones W. Gary
Savage Mathew O.
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