Measuring and testing – With fluid pressure – Pipe
Patent
1999-01-19
2000-06-13
Williams, Hezron
Measuring and testing
With fluid pressure
Pipe
73 46, 73 37, G01M 304, G01M 326, B23K 9167
Patent
active
060734817
ABSTRACT:
A method and device for sampling the pressure of inert purge gas flowing in two pipes to be welded at a joint comprising a sleeve for encircling the pipes during their coaxial alignment in end to end abutment, and an associated element with the sleeve forming a sealed chamber surrounding the joint and receiving gas that leaks out from the joint at the same pressure as the gas in the pipes, and a connection for connecting the chamber for measuring the pressure of the gas therein as an indication of the pressure of the gas flowing in the pipes; the method includes clamping the device around the pipes or sliding the pipes into the device.
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Dutton, Jr. Harold H.
Wiggins J. David
Williams Hezron
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