Self-adjusting obturator for projectile launching

Details Self-adjusting obturator for projectile launching Self-adjusting obturator for projectile launching

1993-02-16

1998-05-12

Tudor, Harold J.

Ammunition and explosives

Wads

102520, F42B 1400

Patent

active

057509190

ABSTRACT:
Propellant pressure forces generated within the bore of a gun barrel are lied to a projectile through a self-adjusting obturator to prevent projectile blow by of propellant explosion products. The propellant forces are transmitted through a body of shock-absorbing fluid in the obturator protectively isolated from surfaces of the barrel and projectile by a non-porous, flexible enclosure wall deformed into sliding contact with the barrel bore during projectile launch for preventing propellant pressure loss.

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patent: 3191534 (1965-06-01), Vecchiotti
patent: 4043267 (1977-08-01), Hayashi

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