Apparatus for explosive welding of hollow cylinders such as pipe

Details Apparatus for explosive welding of hollow cylinders such as pipe Apparatus for explosive welding of hollow cylinders such as pipe

1974-07-18

1976-10-26

Smith, Al Lawrence

Metal fusion bonding

Explosive welding means

228108, 285 18, B23K 2800

Patent

active

039879526

ABSTRACT:
A metal sleeve having a substantially cylindrical outer surface and having first and second inner surfaces tapering outwardly longitudinally from at least adjacent the center thereof is formed to provide equal angles with abutting ends of two hollow cylindrical members such as pipe; the center inner surface of the sleeve is formed to contact abutting ends of the two hollow cylindrical members at least adjacent the ends thereof. The sleeve has a high explosive mass placed circumferentially thereon and is formed of a circumferential body having a greater thickness at least adjacent the center of the mass than at its ends such that on detonation maximum explosive impact is exerted inwardly toward said sleeve to weld the abutting ends together.

REFERENCES:
patent: 2829909 (1958-04-01), Magnani
patent: 3055095 (1962-09-01), Barry
patent: 3160949 (1964-12-01), Bussey et al.
patent: 3263323 (1966-08-01), Maher et al.
patent: 3455017 (1969-07-01), Zondag
patent: 3720069 (1973-03-01), Lockridge
patent: 3761004 (1973-09-01), Hanson et al.
patent: 3819103 (1974-06-01), Howell et al.

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