Back to results
US 11,105,576 B2Granted
Machine gun infantry “KT-7.62”
OwnerKravchenko Iurii Mikhailovich, Berezin Igor Veleriyovychinventors
Life of this patent
Estimating the term…
Abstract
A machine gun has a barrel, a receiver assembly comprising a cover, a receiver base and a butt; lock frame comprising an extractor and a gas piston; bolt, return mainspring with guiding bar, gas piston tube, flash absorber, trigger mechanism, gunsight, butt sighting appliances, trigger pull and loading case. A barrel is made of a preform produced of steel doped with chromium, molybdenum and vanadium or chromium, nickel, and molybdenum, or chromium, molybdenum, vanadium and nickel. The barrel is coated inside and steel comprises the additional chemical elements.
Claims2
A machine gun comprising
- a barrel,
- a receiver assembly having a cover,
- a receiver base and a butt;
- a lock frame having an extractor and a gas piston;
- a bolt,
- a return mainspring with guiding bar;
- a gas piston tube;
- a flash absorber;
- a trigger mechanism;
- a gunsight;
- a butt sighting appliances;
- a trigger pull and magazine, where:
- the barrel is made of steel preform produced of steel doped with chromium, molybdenum, vanadium, copper and manganese, the said steel containing (% by weight):
- carbon
- silicon
- manganese
- nickel
- chromium
- copper
- 0.4
- 0.21
- 0.88
- 0.19
- 0.96
- 0.32
- Molybdenum
- sulphur
- phosphorus
- aluminium
- tin
- vanadium
- 0.57
- 0.016
- 0.13
- 0.02
- 0.013
- 0.217
- the barrel being coated inside, the steel comprising the additional chemical elements.
35 more elements
Dependencies are inferred from the claim text.