Projectile having a driving band on its casing

Details Projectile having a driving band on its casing Projectile having a driving band on its casing

F - Mech Eng,Light,Heat,Weapons

42

B

102/29

F42B 14/02 (2006.01)

Patent

CA 1286147

ABSTRACT A projectile (1) has a casing (2) with a driving band (3) thereon the latter having grooves (31, 32, 33, 34) that serve to accommodate the driving band material that is sheared off rear- wards when the projectile (1) passes through the barrel of the weapon. In order to achieve a reduction of the mean guide band pressure and better sealing against gas pressure, particularly when very thin walled casings are used, there is at least one groove provided as a pressure relieving groove (35) at least in those places in the vicinity of the guide band (3), and which maximum stress of the projectile casing (2) occurs in a radial direction. It is preferred that the pressure relieving groove (35) be of a width that is > 4 mm.

545926

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