IR-RADIATION PYRO CARTRIDGE Russian patent published in 2009 - IPC F42B5/15 

FIELD: weapons.

SUBSTANCE: invention relates to ammunition designed to make false targets that simulate high-temperature objects. Proposed cartridge comprises cylindrical grain with lengthwise grooves arranged along the grain generating line. Aforesaid grain is arranged with radial clearance inside cylindrical casing to rest, via annular shutter, upon hollow perforated bottom chamber representing a receiver. Note here that the casing bottom has central seat cage accommodating threaded electric igniter. Note also that the cover is fitted, via sealer, onto grain top end face for the casing open end face to be spinned therein. Aforesaid electric igniter is screwed in place, inside the cartridge, via sealer interlayer to allow normal electric contact. Note here that sealer interlayer height from the shell end face makes 1/3 to 1/2 of cartridge height.

EFFECT: higher reliability of shell.

2 cl, 2 dwg