PERFORATOR MODULE Russian patent published in 2010 - IPC F42B1/28 E21B43/117 

FIELD: arms and ammunition.

SUBSTANCE: invention relates to shaped charges. Perforator module comprises central and peripheral shaped charges accommodated in parallel-axis casings and conical linings, their open bases being located in one plane. Every shaped charge features raised impression on the base that faces aforesaid conical lining surface, while opposite side of the casing accommodates intermediate cap. Detonation transmitters, i.e. detonating cords and explosive grain, allow pre-blasting of central charge as compared to peripheral charges. Central charge intermediate cap is connected to initiator via the grain connected, via detonating cords, with peripheral charge intermediate caps.

EFFECT: single increased-volume channel, and weak fracturing.

7 cl, 4 dwg