Explosive-forming device for the obturation of a pipe by compres

Details Explosive-forming device for the obturation of a pipe by compres Explosive-forming device for the obturation of a pipe by compres

1977-04-21

1979-02-20

Pendegrass, Verlin R.

Ordnance

Muzzle loading

137 68A, 251 1A, 166 55, F16L 5510, E21B 3306

Patent

active

041400410

ABSTRACT:
A chamber formed at the lower end of a jack piston is made pressure-tight by means of a seal between the lateral walls of the piston and the jack cylinder and contains a gunpowder cartridge for actuating the jack. Two members located on each side of the pipe to be obturated by compression are intended to be driven together by firing the cartridge. One member is rigidly fixed to the jack piston and guided freely in translational motion by means of tie-bolts which serve to secure the other member to the jack cylinder.

REFERENCES:
patent: 2149641 (1939-03-01), Temple, Jr.
patent: 3018793 (1962-01-01), Aagaard
patent: 3517907 (1970-06-01), Bach
Military Explosives, Dept. of Army Tech. Man. TM 9-1910, Apr., 1955, UF 523 A51, 1955 C4, p. 257.

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