CHARGE Russian patent published in 2016 - IPC F42B3/00 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to disruptive charge of high capacity and is intended for blasting operations. Charge consists of high-density explosive. Charge has axial channel. Explosive disintegration of charge is performed from a source of initiation and additional detonator. Axial charge channel is made of even number of symmetric relative to each other cumulative recesses. In its section recess form mutually-intersecting axisymmetric ellipse shape, height in 1.1-2 greater than width. Along axis of axial channel there is a linear explosive. Point is initiated in centre of additional detonator. Charge is equipped with insert from explosive substance. Mold insert repeats section axial charge channel.

EFFECT: higher efficiency of charge.

1 cl, 2 dwg, 1 tbl