High pressure tubing coupler

Details High pressure tubing coupler High pressure tubing coupler

1979-03-26

1982-02-02

Adee, John

Liquid purification or separation

With means to add treating material

Chromatography

55386, 285109, B01D 1508

Patent

active

043138284

ABSTRACT:
A coupler or union for passing fluid under pressure from a column or tube in which the tube is received within a chamber in fluid communication through the floor within said coupler and forming a zero dead volume seal therewith, an annular recess in the coupler or union surrounding the tube or column and containing a balanced hydraulic seal in contact with the recess wall and tube or column and opening in communication toward said dead volume seal so that leakage from the latter under high pressure fills and activates the balanced hydraulic seal to the line pressure. The coupler or union is particularly applicable for high pressure liquid chromatograph column connections.

REFERENCES:
patent: 3679237 (1972-07-01), De Angelis
patent: 4002186 (1977-01-01), Fink et al.
patent: 4026803 (1977-05-01), Abrahams et al.
patent: 4083702 (1978-04-01), Hartigan

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