Pipe joints or couplings – Frangible element
Patent
1993-06-09
1995-02-21
Nicholson, Eric K.
Pipe joints or couplings
Frangible element
285156, 285302, 239204, 405 37, E03F 304, F16L 2712
Patent
active
053909607
ABSTRACT:
A fitting for mating a fluid flow main line, such as a sewage disposal line, with a branch line to a residence, industrial building, or commercial building intended to be serviced. The fitting is mated to a T interposed in the main line which the branch line is intended to intersect. The fitting is, in turn, at its end opposite that by which it is mated to the T, interfitted to the branch line to provide for relative telescoping movement between the fitting and the branch line. Damage to the main line as a result of settling of the earth in which the branch line is buried is protected against.
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