Hydrostatic pipe splicing apparatus

Details Hydrostatic pipe splicing apparatus Hydrostatic pipe splicing apparatus

1980-12-08

1982-05-25

Moon, Charlie T.

Metal working

Means to assemble or disassemble

Coupling to conduit

29254, 72 56, B23P 1904

Patent

active

043309186

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.

REFERENCES:
patent: 2995053 (1961-08-01), Freedom
patent: 3341650 (1967-09-01), Broske
patent: 3434194 (1969-03-01), Whittaker et al.
patent: 3555866 (1971-01-01), Roth
patent: 3605777 (1971-09-01), Curry et al.
patent: 3759551 (1973-09-01), Broske

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