CREATION METHOD OF PROTECTIVE ANTIFRICTION COATING ON INNER SURFACE OF BARREL CHANNEL OF SMALL-ARMS AND ARTILLERY SYSTEMS Russian patent published in 2012 - IPC F41A21/22 F42B12/82 

FIELD: weapons and ammunition.

SUBSTANCE: creation method of protective antifriction coating on inner surface of barrel channel of small-arms and artillery systems is implemented during firing by supplying protective antifriction compound contained in annular grooves of drive obturating device to "barrel - drive obturating munition device" contact area.

EFFECT: simplifying the application process of protective antifriction coating on inner surface of the barrel channel and shortening the time required for that process; providing uniform coating of similar parts of the barrel channel; improving the fire safety level on the position of arrangement of small-arms and artillery systems.

3 cl, 5 dwg