F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/51, 277/57
F16L 19/00 (2006.01) F16L 17/025 (2006.01) F16L 47/10 (2006.01)
Patent
CA 2040320
Sealing ring of an elastic material, for use in a pipe coupling in which the ring is placed in a radially inward open peripheral groove and is retained in said groove by means of a supporting ring(6) which sealing ring in each radial cross-section is the shape of an inwardly open, essentially rectangular trough with a circular bottom (2), a projecting lip (8) being provided which runs inwards at an angle from the end of the first circumferential wall of the trough, the free end of which lip lies at a radial distance from the axis of symmetry of the ring which is smaller than the external radius of the push-in end part of a pipe to be coupled and at the end of the second side wall of the trough, the free end of which lip lies at a greater distance from the above-mentioned axis than the free end of the first lip, the second lip being provided with a run-on face (10) which runs from a point near the bottom of the lip in the direction of said axis to an end point which lies at a distance from said axis which is smaller than the distance between the axis and the free end of the second lip, while the trough is of a depth which is greater than the radial thickness of the supporting ring, so that in the fitted state and with a push-in end part pushed though the ring an open space (14) is present between the supporting ring and the outward facing faces of the first and second lip.
Leeuwenburg Ewout
Van Kooij Robert Justus
Mccarthy Tetrault Llp
Nyloplast Europe B.v.
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