B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
285/53, 73/93
B01D 15/08 (2006.01) F16L 19/07 (2006.01) F16L 49/06 (2006.01) G01N 30/60 (2006.01)
Patent
CA 1060919
ABSTRACT A chromatographic column fitting for connecting the column to a correcting tube, which includes a union having an axial through-bore that includes at both ends thereof: a first portion, a second inwardly tapered portion, and a third cylindrical portion connecting the second portions of both ends; one end of the connecting tube being receivable in one end of the union and one end of the column tube being receiv- able in the other end of the union so that the end of the two tubes engage in butt-to-butt relationship; and ferrules wedged between the outside surfaces of the tubes and their adjacent second portions of the union, respectively: and in another form thereof the invention provides an outlet column fitting which includes a T-shaped union having an inlet at one end and an outlet at the other end and having an axial through-bore, which includes sequentially from the inlet to the outlet, a first inwardly tapered portion, a second cylin- drical portion, a third manifold portion, the union having a side inlet opening into the manifold and the outlet end of the column tube being receivable in the inlet end of the union and extending through the first and second portions and into the manifold portion to a point towards the outlet end thereof so that make-up gas sweeps the outlet of the column tube, and a second connecting tube being connected to the outlet of the union.
279797
Hartigan Martin J.
Wilson Francis P.
Perkin-Elmer Corporation The
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