Hydrostatic pipe splicing method and apparatus

Details Hydrostatic pipe splicing method and apparatus Hydrostatic pipe splicing method and apparatus

B - Operations, Transporting

21

K

26/155

B21K 21/00 (2006.01) F16L 55/00 (2006.01)

Patent

CA 1147939

BR14472 3-23-79 HYDROSTATIC PIPE SPLICING METHOD AND APPARATUS ABSTRACT A method and apparatus for containing an annular body of fluid about a sleeve spanning the abutting ends of pipe lengths, and firing a charge of propellant, such as fast burning smokeless powder, in the liquid so as to radially shrink the sleeve into sealing engagement with the pipe lengths. If desired, the pipe lengths can be internally supported to avoid the possibility of collapse. Hard annular elements may be interposed between the sleeve and the pipe length ends to produce better mechanical locking.

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