Connection apparatus
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United States of America Patent
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-
Aug 10, 1993
Grant Date -
N/A
app pub date -
Nov 30, 1992
filing date -
Nov 30, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved apparatus for connecting first and second conduits, which may be capillary columns, having first and second bores, respectively, to provide communication between the first and second bores for high temperature operation over wide variations in temperature. A monolithic fused quartz seating element is removably insertable into a seating chamber of a base that may be comprised of steel or other metal. The monolithic fused quartz seating element may be cylindrical and have frustoconical surfaces defining first and second receiving formations. First and second slidable followers biased by first and second quartz springs apply pressure against first and second ferrules to seal between the first and second receiving formations, and the first and second conduits, respectively.
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