Methods and apparatus for arresting propagating fractures in...

Details Methods and apparatus for arresting propagating fractures in... Methods and apparatus for arresting propagating fractures in...

A - Human Necessities

61

G

189/68

A61G 11/00 (2006.01) F16L 57/02 (2006.01)

Patent

CA 1046959

ABSTRACT OF THE INVENTION A device for arresting the propagation of a crack, split or fracture in a pipeline comprises a cylindrical sleeve of greater diameter than the pipeline and having an annular end plate fixed at each end of the sleeve, the assembly thus formed being arranged to be positioned around the pipeline so as to define an annular space therebetween which may be filled with grout material of high compressive strength.

243097

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