F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 17/02 (2006.01) F16L 25/00 (2006.01) F16L 37/084 (2006.01)
Patent
CA 2108398
HIGH PRESSURE COUPLING FOR PLASTIC PIPE AND CONDUIT Abstract of the Disclosure A coupler (A) defines a bell (C) having a cylindrical wall (40) of substantially the same inner diameter as an outer diameter of peaks (22) of a length of corrugated tubing (B). The corrugated tubing includes a gasket (30) received in a valley (24) near one end thereof. The gasket includes a flange portion (32) which is compressed into the valley by the side wall (40) as the end of the tubing is slid into the coupler (A). The coupler includes an annular groove (44) which is in alignment with the gasket when the inner end of the tubing engages a stop (10). The flange is resiliently biased outward into groove (44) where an outward facing groove engaging surface (46) of the gasket engages an inward facing gasket engaging surface (48) of the groove. The gasket may include a stiffer higher durometer rubber portion (52) for biasing the flange more stiffly into the groove and to transfer axial load to the bell more stiffly.
Claes Timothy S.
Orians Dean A.
Switzer Stephen W.
Bereskin & Parr
Hancor Inc.
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