High-pressure self-sealing obturator in sabot discard projectile

Details High-pressure self-sealing obturator in sabot discard projectile High-pressure self-sealing obturator in sabot discard projectile

1981-04-06

1984-04-24

Tudor, Harold J.

Ammunition and explosives

Cartridges

102521, 102703, F42B 1316

Patent

active

044441134

ABSTRACT:
A high-pressure self-sealing obturator positioned to fit on the rear of a bot assembly in a discarding projectile assembly to prevent the obturator from backing off during initial impact of bore walls by the projectile assembly. The obturator includes an extension and a groove for snapping a case mouth into the extension. The outer surface of the obturator conforms with the bore of the gun. The extention of the obturator also includes a "V" groove which permits the separation of the extention with the case mouth during the initial low pressure which occurs early ignition. The self-sealing obturator provides efficient and improved obturation for a projectile when fired from a high pressure gun tube.

REFERENCES:
patent: 3143074 (1964-08-01), Jasse
patent: 3738279 (1973-06-01), Eyre et al.
patent: 3762332 (1973-10-01), Witherspoon
patent: 3786760 (1974-01-01), Feldmann
patent: 3834314 (1974-09-01), Young
patent: 3981246 (1976-09-01), Luther et al.
patent: 4187783 (1980-02-01), Campoli et al.

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