Patent ID: 8978536
Filing Date: 2015-03-17
Classification: F41H,Y10T

Abstract:
1. A multi-layer material for a vehicle body or hull, vessel hull, or aircraft fuselage, the multi-layer material providing blast and projectile impact protection, comprising: an outermost layer comprising ceramic tiles, wherein said outermost layer includes an impact receiving side and an inner side, wherein a projectile impacting the multi-layer material proceeds from said impact receiving side of said outermost layer in an inward direction toward said inner side; an innermost layer comprising ballistic material selected from the group consisting of aramid fibers, aromatic polyamide fibers and ultra-high molecular weight polyethylene, wherein said innermost layer is spaced apart inwardly from said inner side of said outermost layer; a polymeric honeycomb layer; a steel layer; a composite layer comprising carbon fiber and glass fiber, wherein said composite layer has a non-uniform fiber fraction; and an air gap layer disposed between said innermost layer and said composite layer, wherein said steel layer is disposed between said composite layer and said polymeric honeycomb layer and said polymeric honeycomb layer is disposed between said steel layer and said inner side of said outermost layer.