PROTECTIVE MASK SCREEN Russian patent published in 2013 - IPC F41H3/00 

FIELD: weapons and ammunition.

SUBSTANCE: protective mask screen made of a flexible complex coating placed on a transformable detachable frame and having a layered structure, the upper layer of which, freely, without fixation, arranged on the lower layer, is made of a mask material, and the lower one - from attached strips of a wire woven metal net with flexible loops, trimmed along the entire perimetre with a flexible and strong diameter, at the same time the metal net is made with cell size in the clear of not more than 30 mm of the wire with the thickness of at least 2.5 mm at the weight of at least 0.0030 kGs²/m², besides, the value of screen distance from the protected object R_SAF is determined according to the following formula: R_SAF = K(l_ef + V_o · t), l_ef - efficient action of a cumulative jet (m); K - experimental margin ratio, accepted as 3.5-4.0; V_o - speed of ammunition with an instantaneous detonating fuse meeting the screen (m/s); t - time of detonating fuse actuation (s).

EFFECT: provision of efficient protection of objects against means of contemporary intelligence and self-homing high-accuracy ammunition with instantaneous detonating fuses and protection against them when approaching from different directions of the upper hemisphere.

2 cl, 14 dwg