F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 37/091 (2006.01)
Patent
CA 2300730
A push fit connector (400) for use as an attachment to connect two pipes (100,101) has two connecting portions (10,11) at opposite sides of an inwardly deformed ridge (2) in outer tubular metal body (302) having inwardly deformed lips (8,8') at each end around a respective entrance opening to the corresponding connecting portion (10,11). The connecting portions are similarly arranged and substantially symmetrically disposed with respect to the ridge. Connecting portion (11) has an annular abutment element (3'), an elastomeric sealing ring (308), an annular intermediate abutment (310), a grab ring (312) with inwardly directed teeth in a frusto-conical array, an outer bush (314) and a sleeve (316) axially slidable in the bush (314). When the sleeve (316) is pushed inwardly of the connecting portion (11) a wedge-shaped annular head or lip on the sleeve acts on the teeth of the grab ring (312) to displace them radially outwards so they can disengage from the pipe (101) thus releasing it so that it can be pulled out of the connector (400). Dotted line C demarcates an end of the envelope of the attachment (400). Teeth releasing movement by the sleeve (316) can only begin to occur once end face (342) on a free end of the sleeve is substantially flush with end C of the envelope or is actually wholly within the envelope. End face (342) faces outwardly from the body (302).
Delta Capillary Products Limited
Macrae & Co.
LandOfFree
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