FLAK JACKET ARMOUR PROTECTION Russian patent published in 2008 - IPC F41H1/02 F41H5/02 

FIELD: security facilities.

SUBSTANCE: flak jacket armour protection includes front and back armour elements. The back armour element is made of multi-layer ballistic fabric polygon with a fastening edging. The front armour element is made of a chest and trunk armour panels. The chest armour panel represents a curvilinear trapezium with rounded angles, with convex outside and asymmetric relative to its vertical and horizontal axes. The trunk armour panel represents a rectangle with convex outside and is arranged overlapped relative to the chest armour panel. The area of every front and back element (S_be, dm²) is calculated from the expression S_be=S_v.o.p.a. ×f_dr, where S_v.o.p.a. is the vital organ protection projection area, dm², and f_dr is the dimensional ratio factor determined proceeding from anthropological peculiarities of a person and making 1.1 to 1.2.

EFFECT: armour protection smaller weight without losing protection properties.

1 tbl, 8 dwg, 1 ex