F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 21/02 (2006.01) F16L 37/092 (2006.01)
Patent
CA 2106120
ABSTRACT OF THE DISCLOSURE A coupling assembly for use in connecting one end of a first tubular member to a component of a piping system and including a receiving tubular member defining an opening adapted to receive the first tubular member, the receiving tubular member having an inner portion defining an inner bore dimensioned to receive the one end and an outer portion defining an internal annular cavity intersecting the inner bore and projecting radially outwardly therefrom, the annular cavity comprising an annular wall portion tapered radially inwardly and projecting longitudinally toward the opening. Also included in the assembly is an annular seal member and a lock ring both disposed in the annular cavity between the first tubular member and the receiving tubular member, the lock ring having an outer circumferential surface portion adapted to engage said tapered wall portion and an inner circumferential surface portion adapted to engage an external wall portion of the first tubular member. The lock ring is adapted to expand circumferentially into the annular cavity during insertion of the first tubular member into the receiving tubular member and to be compressed between the tapered wall portion and the external wall portion in response to relative longitudinal separating movement between the first tubular member and the receiving tubular member. In addition, the inner circumferential surface portion defines a circumferentially extending knife edge for penetrating the external wall portion. -23-
Riches Mckenzie & Herbert Llp
Rovac Corporation
LandOfFree
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