Abrasive grip pipe coupling

Details Abrasive grip pipe coupling Abrasive grip pipe coupling

F - Mech Eng,Light,Heat,Weapons

16

L

285/51

F16L 19/00 (2006.01) F16L 19/07 (2006.01) F16L 19/075 (2006.01) F16L 21/00 (2006.01) F16L 21/04 (2006.01) F16L 23/00 (2006.01) F16L 25/00 (2006.01) F16L 55/10 (2006.01)

Patent

CA 2001061

A B S T R A C T A rigid coupling for plain ended pipe includes radially inwardly moveable wedging members of a hard but ductile material, which optionally may be in the form of a collet, and a member providing a camming surface corresponding with an external camming surface on each of the wedging members, the wedging members each having an axially straight inner surface for cooperation with the external axial surface of a pipe, the inner surface of the wedging members being coated with a grit material of a hardness greater than that of the pipe and that of the wedging members, for it to become matrixed within the respective surfaces on the application of compressive forces to the wedging members.

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