BARREL OF PYROTECHNICAL SYSTEM Russian patent published in 2007 - IPC F41A21/12 

FIELD: pyrotechnical mounts and systems of different purpose, artillery guns inclusive.

SUBSTANCE: the barrel has a tube, breech end, wedge-type breechblock, chamber with an assembly for a lateral inlet of the charge, shell window sealing mechanism, mechanism for ignition of the poured powder charge and other mechanisms. The shell window sealing mechanism is made in the form of a re-usable false case with a central seat for the primer of the charge ignition mechanism; the case is fastened on the rotary shaft with a semi-automatic cam with the false case proper is made in the form of the tray of a real case with the body length of about half the diameter of the shell window and a tapered lateral surface up to 10-15 deg.

EFFECT: provided sealing of the shell window and ignition of pored powder charges in pyrotechnical systems with and automatic formation of powder charges from granulated propellants.

3 dwg