US 7,578,003 B2
	Ballistic-resistant article
Reinard Jozef Maria Steeman, Elsloo (Netherlands); and Martinus Johannes Nicolaas Jacobs, Heerlen (Netherlands)
Assigned to DSM IP Assets B.V., Heerlen (Netherlands)
Appl. No. 10/584,754 PCT Filed Jan. 01, 2004, PCT No. PCT/NL2004/000028 § 371(c)(1), (2), (4) Date Sep. 08, 2006, PCT Pub. No. WO2005/066577, PCT Pub. Date Jul. 21, 2005.
Prior Publication US 2007/0163023 A1, Jul. 19, 2007
Int. Cl. F41H 1/02 (2006.01); F41H 5/04 (2006.01); F41H 13/00 (2006.01)

U.S. Cl. 2—2.5

11 Claims

1. Preformed sheet comprising at least two mono-layers, each mono-layer containing unidirectionally oriented fibers having a tensile strength of at least about 1.2 GPa and a tensile modulus of at least 40 GPa, and a binder, with a fibre direction in each mono-layer being rotated with respect to the fibre direction in an adjacent mono-layer, and a non-fibrous separating film on both outer surfaces, wherein the separating film has a porosity of between 40 and 90%.