Method and apparatus for facilitating compression of packing mat

Details Method and apparatus for facilitating compression of packing mat Method and apparatus for facilitating compression of packing mat

1985-06-07

1987-06-02

Therkorn, Ernest G.

Liquid purification or separation

With means to add treating material

Chromatography

210656, 55386, B01D 1508

Patent

active

046701419

ABSTRACT:
A liquid chromatography column apparatus which utilizes sorbent packing material in a tube having a first end portion and a second end portion. The first end portion of the tube includes a plug having a passage therethrough. The plug fits in the tube adjacent the packing material and is movable within the tube. An end fitting is also employed adjacent the plug. The end fitting has a passage therethrough which communicates with the passage of the plug. A seal is used inside the tube between the tube and the end fitting. The second end portion of the tube is enclosed and also includes a passage from the interior to the exterior of the tube. A manually actuable gear mechanism is incorporated in the end fitting of the first end portion of the tube for facilitating application of axial force to the packing material, thereby compressing the packing material so as to eliminate voids and channels in the packing material. Other features are also disclosed.

REFERENCES:
patent: 4470910 (1984-09-01), Quemerais et al.

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