Pipe coupling

Details Pipe coupling Pipe coupling

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 23/024 (2006.01) F16L 37/14 (2006.01)

Patent

CA 2129644

2129644 9413993 PCTABS00032 The method of joining a coupling member to a pipe end is described. The method is particularly concerned with providing a coupling member (12) on the end of a pipe (10) of composite construction formed from a plurality of helically wound reinforcement strips of steel. The method comprises the steps of forming at least one generally circumferentially directed groove (20) in the outer surface of the pipe wall adjacent the end of the pipe to a depth extending into the reinforcement core, providing a coupling member adapted to fit the end of the pipe overlapping the region of the groove or groove, providing key (32) means to extend between said sleeve and said groove in said pipe, providing a curable resin (34) in the joint area between said pipe and said sleeve and curing said resin to bond said coupling member to said pipe end. The resultant coupling is of increased efficiency in providing both an adhesively bonded and mechanically coupled joint.

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