Ammunition and explosives – Pyrotechnics – Firecracker
Patent
1992-01-07
1994-08-23
Nelson, Peter A.
Ammunition and explosives
Pyrotechnics
Firecracker
102431, 102206, 102493, F42B 404
Patent
active
053397410
ABSTRACT:
A system and method for launching projectiles, such as fireworks projectiles, which explode in the air into a pyrotechnic display. The projectile includes a shell constructed from a binding agent and an explosive additive which explodes the shell into small particles. The explosive additive, which may be nitrocellulose, causes the exploded particles to be rapidly burned and consumed to form lightweight, inert flakes that fall harmlessly to the ground. The projectile is aimed and launched by a launcher using a compressed gas to rapidly expel the projectile from a launching tube. Once in the air at a predetermined location in the sky, an electronic fuse inside the projectile operates to detonate the projectile into its intended pyrotechnic display. The fuse is extremely accurate and enables detonation of the projectile at precise altitudes. An electronic control system controls launching and detonation of the projectiles in a precise and repeatable manner.
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Drawing re "Oriental Shell `Warimono` Class* Single-Break" giving detailed description thereof, one page.
Drawing describing in depth "Canister Shell Repeating Color/Effect" one page.
Drawing describing in depth"`Roman` Candle"; `Gerbe` (Fountain); and `Mine Bag`, one page.
Cover page of Scientific American magazine No. C.2, one page showing Fireworks, Article entitled "Pyrotechnics" by John A. Conkling, Scientific American magazine Jul. 1990, pp. 96-102.
Adamson William G.
Craven B. Thomas
Froelich Ronald W.
Johnson Bruce S.
Peterson Michael H.
Nelson Peter A.
The Walt Disney Company
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