Hydrostatic pipe splicing method

Details Hydrostatic pipe splicing method Hydrostatic pipe splicing method

1981-01-26

1982-05-04

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

29459, 29516, 72 56, 285382, B23P 1700

Patent

active

043274714

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: 2367206 (1945-01-01), Davis
patent: 2995053 (1961-08-01), Freedom
patent: 3341650 (1967-09-01), Broske
patent: 3376060 (1968-04-01), Tomioka
patent: 3434194 (1969-03-01), Whittaker et al.
patent: 3572779 (1971-03-01), Dawson
patent: 3605777 (1971-09-01), Curry et al.
patent: 3759551 (1973-09-01), Broske
patent: 4018462 (1977-04-01), Saka
patent: 4228941 (1980-10-01), Persson

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