Ammunition and explosives – Cartridges
Patent
1979-06-20
1981-11-24
Schafer, Richard E.
Ammunition and explosives
Cartridges
102513, F42B 1334
Patent
active
043017320
ABSTRACT:
An ammunition cartridge, having a projectile element secured to a shell which is loaded with a charge of powder and includes an ignition primer and a dessicant, is modified to include a cylindrical magnesium element extending downwardly from the projectile into the shell, the magnesium element has a cylindrical cavity in its lower portion which houses a substantially cylindrical pyrotechnic element, the pyrotechnic element is held in close proximity to the powder charge and ignites as the charge explodes and discharges the projectile, the burning pyrotechnic material creates a bright light which, because of openings in the magnesium element, can be seen through a theodolite by a surveyor at a remote point, the burning pyrotechnic element in turn ignites the magnesium element which also gives off a bright light when burning, that light also being observable from a remote point, the bright lights from these burning elements combining to produce a mementary vertical streak of predetermined height, the streak being aligned with the vertical crosshair of surveyor's transit positioned at a remote point.
REFERENCES:
patent: 684653 (1901-10-01), Tubini
patent: 694032 (1902-02-01), Semple
patent: 1301380 (1919-04-01), Buckingham
patent: 2381474 (1945-08-01), Turnbull
patent: 3111899 (1963-11-01), Tiedemann
patent: 3983818 (1976-10-01), Ciccone
patent: 3991682 (1976-11-01), Peak
Miles Edward F.
Schafer Richard E.
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