F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/4
F16L 11/12 (2006.01) F16L 47/00 (2006.01)
Patent
CA 1052411
GAS SERVICE CONNECTOR FOR PLASTIC PIPE Abstract of the Disclosure A gas service connector for connecting a plastic under- ground gas service line to an aboveground meter installation. Comprising the connector is a continuous length of gas carry- able plastic tubing concentrically spaced within a tubular elbow-shaped gas-free steel pipe jacket. The spacing at each end of the sleeve and tubing is gasket sealed against leakage with their common end aboveground being interlocked to resist axial displacement therebetween. In one embodiment the spacing between sleeve and tubing in at least the aboveground portion defines an air space rendering the unit capable of withstanding aboveground temperatures of up to about 100 degrees F. For withstanding higher aboveground temperatures to 150 degrees F. the spacing between tubing and sleeve in a second embodiment is filled with a reinforced epoxy from at least just belowground level.
255272
Anderson Gerald L.
Kresge Wilbur R.
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