Patent ID: 8887312
Filing Date: 2014-11-18
Classification: A42B,B32B,C04B,F41H,Y10S

Abstract:
1. A helmet that is resistant to high energy fragments and bullets, the helmet including a rounded shell, said shell comprising a crown and a peripheral surface which define an interior volume, and said rounded shell comprising from the outside to the inside: (a) an outer layer comprising a ceramic, wherein the ceramic is in the form of a continuous monolith that conforms to a curved shape of the rounded shell; and (b) an inner backing material comprising a plurality of fibrous layers; wherein the fibrous layers comprise high tenacity fibers in a resin matrix, and wherein the inner backing material comprises a fabric having both warp and fill directions, said fabric having about 5.9 to about 21.6 fiber ends per cm in both said warp and fill directions.