Measuring and testing – With fluid pressure – Leakage
Patent
1999-01-25
2000-02-29
Williams, Hezron
Measuring and testing
With fluid pressure
Leakage
73 46, 73 491, 137312, 285 13, 285 93, 138155, F16L 1112, F16L 4300, G01M 304, G01M 328
Patent
active
060295058
ABSTRACT:
A device for providing access to the interstitial region between an inner pipe and an outer pipe which coaxially define the region. The inner pipe has at least one terminal end extending from the outer pipe to leave a portion of the outer wall of the inner pipe exposed to thereby expose the interstitial region. A boot is provided for defining a chamber with a larger end snugly fitting the outer pipe and a small end snugly fitting on the exposed outer wall of the inner pipe. The boot has an access port communicating with the interior of the chamber to provide access to the interstitial region.
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Enviroflex.TM. Flexible Double Wall Piping System, Aug. 1990.
Environ Products Inc.
Wiggins J. David
Williams Hezron
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