High pressure seal and coupling
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United States of America Patent
Stats
-
May 29, 1984
Grant Date -
N/A
app pub date -
Mar 3, 1982
filing date -
Mar 3, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coupling for high pressure liquid chromatographic columns of any length, individually, or by union of two columns together, in which an end fitting carries a secondary seal together with internal means for retaining the seal in place. The end fitting is designed as a unitary assembly wherein the secondary seal is secured into the end fitting as a unitary assembly of parts without the use of screw threaded members. A special screw and nut configuration of end fittings permits the same design to be used for columns of extremely short lengths.
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