Jet perforator device

Details Jet perforator device Jet perforator device

1977-02-15

1978-04-11

Truhe, J. V.

Electric heating

Metal heating

By arc

44 3B, 60253, 148 9R, 148 95, 148 9C, 228107, B23K 900

Patent

active

040840786

ABSTRACT:
A device for perforating or cutting a target made of metal or other materials by means of a plasma jet. The device includes a cast grain of plasma producing pyrotechnic material that is coated over a major portion of its exterior surface with a combustion inhibiting layer. The coated grain is enclosed within an elongate hollow housing provided with closure plates at both ends thereof, with one of the plates having a nozzle opening that is substantially coextensive with a longitudinal recess formed within the grain so that the plasma jet produced by the incendiary reaction of the grain is directed out through the nozzle opening for impingement upon the target.

REFERENCES:
patent: 1191357 (1916-07-01), Snyder
patent: 2953443 (1960-09-01), Lloyd
patent: 2953447 (1960-09-01), Schulz
patent: 3166896 (1965-01-01), Breitengross, Jr. et al.
patent: 3173249 (1965-03-01), Wiggins
patent: 3332243 (1967-07-01), Wilson
patent: 3656432 (1972-04-01), Hackman
patent: 3765177 (1973-10-01), Richey et al.
patent: 3794535 (1974-02-01), Bertrard et al.

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