EXPLOSION RESISTANT PANEL Russian patent published in 2015 - IPC E04B1/92 

FIELD: construction.

SUBSTANCE: in an explosion resistant panel containing an armoured metal frame with an armoured metal cover and a lead filler, provided in end faces with four fixed supporting branch pipes, and in the covering of the explosive object there rigidly fixed are four supporting bars that are telescopically inserted into fixed supporting branch pipes of the panel, the filler is made in the form of an air-lead disperse system; with that, lead is made in the form of chips, and supporting rods are elastic, to end faces of the supporting bars on the side facing to the metal frame, to which additional members are attached, which damp the action of impact wave, which are made from elastomer, for example polyurethane, or combined, for example elastic damping, and as an elastic member of combined additional members damping the action of impact wave there used is a conical spring, the lower base of which is borne against thrust plates and fixed on them by means of polyurethane filling, and the upper base faces to the side of the armoured metal cover.

EFFECT: improving reliable actuation of explosion protective devices at emergency explosion at the site and providing return of the same structures to initial position after explosion.

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