F - Mech Eng,Light,Heat,Weapons – 41 – A
Patent
F - Mech Eng,Light,Heat,Weapons
41
A
F41A 21/18 (2006.01) F42B 10/10 (2006.01)
Patent
CA 2105748
Abstract This invention includes three devices: First there is the barrel of a fire arm with V-shape grooves on the inside surface; Second there is the device (method) of forging the wings-stabilizer on the surface of a projectile in the forging zone of the barrel of a fire arm: From a thrust the projectile is moving in the barrel of the fire arm and passing the forging zone. In the forging zone an outward surface of a projectile has to take the form and sizes of the surface of a forging zone at the spots of their contact. Thus it is gradually forging the wings-stabilizer on the surface of a projectile. Third there is the forging zone in the barrel of the fire arm: The forging zone in the barrel (3) of the fire arm is the forging wedges (1) which force metal that is outside of a surface with diameter D1 of the projectile to be displaced into the spaces (2). Some of the surfaces of wedges (1) take the form of a surface with diameter D1, other surfaces gradually shape into V-shape grooves on the inside surface of the barrel of a fire arm.
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