F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 33/04 (2006.01) F16L 21/06 (2006.01)
Patent
CA 2061414
ABSTRACT OF THE DISCLOSURE A pipe coupling comprising a sealing gasket to fit over adjacent ends of pipes to be connected end-to-end and a housing which clamps around the gasket, has the housing in the form of a cast metal or alloy band which substantially encircles the gasket and has at its circumferential ends opposed lugs between which a wedge portion of the gasket extends and which are connected by at least one clamping bolt engaged with retaining means, whereby the lugs can be urged towards one another to contract the band onto the gasket. The lugs grip the wedge portion as the band is contracted and prevent the body of the gasket from bulging outwardly between the lugs. Preferably the band is made of a ductile metal or alloy, e.g. ductile iron, and is slightly oval in its free state so that it assumes a substantially true circular form when fully contracted onto the gasket.
Fetherstonhaugh & Co.
Glynwed Consumer & Building Products Limited
LandOfFree
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