Pipe joints or couplings – Serial,relatively movable portions – Serial diverse single flow path or line
Patent
1998-01-21
2000-03-21
Arola, Dave W.
Pipe joints or couplings
Serial,relatively movable portions
Serial diverse single flow path or line
285322, 2853344, 2853345, 285342, 285328, F16L 5500
Patent
active
060393610
ABSTRACT:
A plumbing compression fitting for use in coupling a first pipe end of a first pipe to an opposing end of a second pipe includes a coupling housing defining a flow passage therethrough, and having a first pipe securing end for engaging the first end of the first pipe, and a second pipe securing end for engaging the end of the second pipe, the flow passage dimensioned to accommodate the ends of the pipes and having a first cross-sectional area. A capture nut has an axial opening in communication with the passageway and is dimensioned to accommodate the first pipe, the capture nut defining an annular seat and being configured to threadably engage the first pipe securing end of the coupling housing. A grab ring has a circumference and is dimensioned be received in the capture nut, an inner grab surface is dimensioned to circumscribe the first pipe and an outer surface configured to engage the seat. The grab ring defines a gap in the circumference which narrows as the capture nut is tightened upon the first pipe securing end to compressively retain the first pipe in the housing.
REFERENCES:
patent: 2165626 (1939-07-01), Ford
patent: 2320812 (1943-06-01), Cowles
patent: 5213375 (1993-05-01), Wu
Arola Dave W.
MWM Distributors
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