SHOCK-PROOF HELMET OF FIELD ENGINEER

FIELD: means of man individual protection against fragments and bullets. ^ SUBSTANCE: a shield-visor is installed on the helmet body. The mentioned shield is made in the form of a flat or convex plate of perforated material diffuse-scattering the electromagnetic waves at a perforation-to-full surfac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHAKHVOROSTOV N.G, FEDORENKO V.I, PUSTYNIN B.V, ZHUKOVSKIJ L.G, PLATONOV S.A, KHADZHIEVA JA.JA, REZNICHENKO S.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ARMOUR ARMOURED OR ARMED VEHICLES ARMOURED TURRETS BLASTING HATS HEAD COVERINGS HEADWEAR HEATING HUMAN NECESSITIES LIGHTING MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: means of man individual protection against fragments and bullets. ^ SUBSTANCE: a shield-visor is installed on the helmet body. The mentioned shield is made in the form of a flat or convex plate of perforated material diffuse-scattering the electromagnetic waves at a perforation-to-full surface ratio from 1:2 to 1:4 within the perforated area at plate thickness ; where h-the plate thickness, mm; g-the mass of the bullet or ammunition fragment, g; V- the velocity of the straight hit of the ammunition fragment or bullet, ms; - the coefficient taking into account the characteristics of the plate perforated area, unit; - the coefficient characterizing the resistance of the plate material to piercing of an ammunition fragment or bullet through it. ^ EFFECT: enhanced efficiency of protection of the helmet user against ammunition fragments and sniper's bullets. ^ 6 cl, 3 tbl