F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/31
F16L 33/00 (2006.01) B25B 27/10 (2006.01)
Patent
CA 1323891
ABSTRACT A coupling sleeve pushed onto the plastic pipe and provided with barbs is drawn over a driving shoulder against the connecting piece by a union nut. The flared pipe end is clamped between a curved end face of the connecting piece and the coupling sleeve. Possible leakages caused by the flow of the pipe material are prevented by a spring, and the pipe is prevented from turning during assembly by a sliding ring. The device used for assembling the pipe connection has grips for fixing the pipe in position with a toggle lock and a press ring, which can be displaced in sliding manner on a stop acting as a centering arbor, and can be actuated by a hand lever. With only a few manipulations, the coupling sleeve can be pushed onto the centrally held plastic pipe. Owing to the omission of the supporting sleeve required hitherto, the through-flow cross-section of the plastic pipe is not reduced by the installation of this pipe connection. Heating up the end of the plastic pipe is no longer necessary during assembly. The pipe connection, which can be made cost effective, is uncomplicated in its construction and absolutely liquid-tight.
522562
Fetherstonhaugh & Co.
Jrg Gunzenhauser Ag
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