Device for a pyrotechnical flare body comprising a flame spreade

Details Device for a pyrotechnical flare body comprising a flame spreade Device for a pyrotechnical flare body comprising a flame spreade

1975-06-09

1977-02-01

Brown, David H.

Ammunition and explosives

Igniting devices and systems

102 6, F42B 412

Patent

active

040056562

ABSTRACT:
A projectile such as a bomb or rocket is provided with a flare section comprising an elongated cylindrical casing containing a body of flare material. An elongated support element extends through the flare body along its central axis, and a truncated conical flame spreader is attached to one end of the support element with the smaller end of the truncated cone in firm engagement with an end surface of the flare body and with at least the major portion of the conical surface of the flame spreader recessed within an extended portion of the casing. A nose fairing is removably attached to the extended portion of the casing and is adapted to be blown away from the casing by a charge located in a cavity within the flame spreader. The charge is ignited by a fuse which extends through the hollow center of the support element, and when ignited the charge also operates to ignite the end surface of the flare body surrounding the flame spreader to cause a flame to be emitted outward from the opened end of the casing in the region between the extended portion thereof and the conical outer surface of the flame spreader acting as a flame deflection surface.

REFERENCES:
patent: 1108654 (1914-08-01), Ziegenfuss
patent: 1312499 (1919-08-01), Holt
patent: 1683940 (1928-09-01), Wiley
patent: 1709644 (1929-04-01), Wiley
patent: 1774535 (1930-09-01), Wiley
patent: 1978641 (1934-10-01), Martin
patent: 3491689 (1970-01-01), Francois
patent: 3893396 (1975-07-01), Simmons

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