Seal ring for pyrotechnically initiated projectile

Details Seal ring for pyrotechnically initiated projectile Seal ring for pyrotechnically initiated projectile

1990-06-12

1992-07-28

Tudor, Harold J.

Ammunition and explosives

Incendiary

102473, 102478, 102479, F42B 1244

Patent

active

051332590

ABSTRACT:
A pyrotechnically initiated explosive projectile has coaxially arranged, a nose incendiary, a penetrator core, a high explosive, and an overall jacket. A seal ring is installed between the nose incendiary and the penetrator core to preclude relative movement between the core and the jacket during projectile assembly, acceleration and spin up from prematurely igniting the incendiary charge. The seal ring has a front collar portion which preferably has a diameter greater than that of the inside diameter of the jacket so that the collar scrapes the inside wall of the jacket during insertion to remove incendiary residual so that no incendiary can lodge between the jacket and the penetrator core.

REFERENCES:
patent: 47544 (1865-05-01), Hotchkiss
patent: 373459 (1887-11-01), Howell
patent: 382223 (1888-05-01), Graydon
patent: 3208385 (1965-09-01), Perniss
patent: 3720169 (1973-03-01), Johnson et al.
patent: 4045055 (1977-08-01), Blakely
patent: 4353302 (1982-10-01), Strandli et al.
patent: 4625650 (1986-12-01), Bilsbury
patent: 4760795 (1988-08-01), Young
patent: 4876964 (1989-10-01), Strandli et al.

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