DEVICE OF EXPLOSIVE THROWING OF FLAT METAL PLATE Russian patent published in 2009 - IPC F41F7/00 

FIELD: explosive works.

SUBSTANCE: invention is intended for application in the industry and the military technics at a throwing of flat metal plates by explosion of charges of explosives (Ex). The device of an explosive throwing of a flat metal plate contains an Ex charge executed in the form of a rectangular parallelepiped, adjoining to one of its lateral sides a plate-emphasis also executed in the form of a rectangular parallelepiped, and means for initiation on the most remote from the thrown plate to an edge of the specified side of the Ex charge, and from initiation area over the most remote from the thrown plates the side of the Ex charge places the steel overlay executed in the form of a rectangular parallelepiped. The preassure plate is executed from a material, acoustic rigidity (ρ·c) which makes 2≤ρ·c≤15, where ρ density, (g/cm³); c - speed of sound, (km/s), and length of a steel overlay is equal to width of Ex charge, and its width x and thickness y are chosen from parities: a≤x≤2·a; 0.5·b≤y≤1.5·b, where a - thickness of the thrown plate; b - thickness of the charge.

EFFECT: reduction of amplitude of pressure in explosion products simultaneously with increase in duration of an impulse in a zone adjoining the preassure plate.

1 dwg