Service connector for plastic gas main

Details Service connector for plastic gas main Service connector for plastic gas main

F - Mech Eng,Light,Heat,Weapons

16

L

285/19

F16L 41/00 (2006.01) B29C 37/00 (2006.01) F16L 47/34 (2006.01)

Patent

CA 1086800

SERVICE CONNECTOR FOR PLASTIC GAS MAIN Abstract of the Disclosure Mating halves of plastic composition form a tapping sleeve service connector for mounting a branch connection on an in- service plastic gas main. A tapping tool supported in communica- tion with the branch outlet is provided in one of the sleeve halves. Emplaced lining the internal pipe gripping surfaces of the sleeve halves is a dual faced, open mesh, basket woven fabric containing a random distribution of particle abrasive bonded on each of the faces. The particle abrasive is of a relatively harder composition than the plastics of either the service connec- tor or gas main to effectively penetrate or imbed in the opposed surfaces of each when the sleeve halves are assembled in place. By being imbedded in this manner the abrasive fabric acts to secure and prevent relative rotational slippage between the service connector and pipe on which it is mounted. 1a

312883

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