Means and method for forming a sealed connection
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Jul 30, 1991
filing date -
Aug 2, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An assembly includes a discharge member of a metallurgical vessel and a pipe member connected to the discharge member at mutual surfaces thereof defining a seat therebetween. An annular recess is formed in the region of such seat, a seal seals such seat, and gas is supplied to the annular recess. The seal is in the form of a pair of compressible sealing rings positioned between the mutual surfaces of the two members on opposite sides of the annular recess. A pressure indicator is connected to a gas supply line supplying gas to the annular recess to provide an indication of the pressure of gas prevailing in the annular recess, and particularly of changes of such pressure.
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