Measuring and testing – With fluid pressure – Leakage
Patent
1986-10-16
1988-08-16
Cohan, Alan
Measuring and testing
With fluid pressure
Leakage
73 498, 138 90, G01M 328
Patent
active
047635100
ABSTRACT:
A one-piece, molded sealing element which is installed in a test tee on a drain, vent, waste plumbing system. The sealing element is cup-shaped and fits within the test tee to dam water on the upstream side of the test tee for hydraulic testing of the plumbing system. The sealing element can be broken and removed from the test tee through the lateral opening in the tee following the hydraulic test of the plumbing system.
REFERENCES:
patent: 1572507 (1926-02-01), Robert
patent: 4542642 (1985-09-01), Tagliarino
patent: 4602504 (1986-07-01), Barber
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