EXPLOSIVE PROTECTION DEVICE Russian patent published in 2017 - IPC E04B1/92 

FIELD: blasting.

SUBSTANCE: flameproof device containing metallic armoured cage with the armoured plating and metal filler, which is executed in the form of dispersed system air-lead. Lead is made on form as crumbs, frame has the ends of fixed pipes-support and cover the explosive object tightly closed up at least three anchor rods with sheet rests at the top of that telescopic stuck in motionless Pipes-support in metal armoured cage, each anchor rods inserted in the lower part of the telescopic fixed pipes-props, ploughed into the metal frame, is made hollow with a set of prongs on the internal disks cavity.

EFFECT: increase of explosion protective devices operation reliability in case of the emergency explosion at the facility, and providing of these structures return into the original position after the explosion.

3 cl, 2 dwg