Replaceable column for pressurized liquid extraction system

Details Replaceable column for pressurized liquid extraction system Replaceable column for pressurized liquid extraction system

2007-08-21

2011-11-22

Cecil, Terry (Department: 1778)

Liquid purification or separation

With repair or assembling means

C210S450000, C422S068100, C422S261000, C422S550000, C422S916000

Reexamination Certificate

active

08062520

ABSTRACT:
A system for pressurized liquid extraction of solid samples including quick-connect, threadless columns for holding the solid sample is disclosed. A pressurized liquid extraction (PLE) module continuously performs extraction on the solid sample to yield liquid sample. The quick-connect columns include a threadless, cylindrical tube and end cap assemblies, which are structured and arranged to provide a tight interference fit with the inner surface of the annulus of the column portion and with top and bottom cup rings.

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patent: 6783668 (2004-08-01), Shirkhan
patent: 2003/0096422 (2003-05-01), Ong et al.

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