Patent application number | Description | Published |
20090025111 | Flexible ballistic composites resistant to liquid pick-up method for manufacture and articles made therefrom - Flexible ballistic resistant composite material that has improved resistance to pick-up of water and other liquids, the composite material comprising a plurality of non-woven fibrous layers. The fibrous layers are formed from a network of high tenacity fibers (aramid fibers, extended chain polyethylene fibers and/or rigid rod fibers). The fibers are embedded in a matrix of a thermoplastic polyurethane resin. Preferably, at least two adjacent fiber layers are oriented in a cross-ply arrangement with respect to each other. Flexible armor, such as body vests, are provided which are formed at least in part from the flexible composite material. | 01-29-2009 |
20090163105 | Environmentally Resistant Ballistic Composite Based on a Nitrile Rubber Binder - Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile rubber binder polymer having an acrylonitrile content of from about 15 wt. % to about 50 wt. %, and are optionally coated with a binder that is a blend of a nitrile rubber and a fluorine-containing material. | 06-25-2009 |
20090297816 | HIGH PERFORMANCE SAME FIBER COMPOSITE HYBRIDS BY VARYING RESIN CONTENT ONLY - Multi-panel ballistic resistant articles formed from woven and/or non-woven fibrous panels, each panel including varying quantities of a polymeric composition based on the total weight of the fibers and the polymeric composition. The hybrid structures provide excellent ballistic penetration resistance while maintaining a low weight. The ballistic resistant articles may be strategically positioned to dial in different levels of desired ballistic resistance for various applications. | 12-03-2009 |
20100170386 | SPACED LIGHTWEIGHT COMPOSITE ARMOR - Lightweight, ballistic resistant articles are provided. More particularly, armor structures incorporating two or more spaced apart, ballistic resistant panels, having superior impact and ballistic performance at a light weight. The panels are spaced by air or by an intermediate material. | 07-08-2010 |
20110067560 | LIQUID SUBMERSION BALLISTIC PERFORMANCE THROUGH HYBRIDIZATION - Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, a ballistic resistant structures and articles formed from a hybrid of woven and non-woven fibrous components that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The hybrid structures are particularly useful for the formation of or for use in conjunction with soft, flexible body armor. | 03-24-2011 |
20110143086 | ENVIRONMENTALLY RESISTANT BALLISTIC COMPOSITE BASED ON A NITRILE RUBBER BINDER - Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile rubber binder polymer having an acrylonitrile content of from about 15 wt. % to about 50 wt. %, and are optionally coated with a binder that is a blend of a nitrile rubber and a fluorine-containing material. | 06-16-2011 |
20110192530 | COMPOSITE BALLISTIC FABRIC STRUCTURES - A multilayered composite fabric which comprises (a) a first fabric comprising non-woven unidirectionally oriented fibers in a first resin matrix, the fibers comprising high tenacity fibers, the first fabric comprising first and second surfaces; and (b) a second fabric comprising multi-directionally oriented fibers optionally in a second resin matrix, the second fabric also comprising high tenacity fibers, the second fabric having first and second surfaces, the first surface of the second fabric being bonded to the second surface of the first fabric thereby forming the composite fabric. Also described is a method of making such fabric wherein the second fabric layer is used as a support during the manufacturing process and is thereafter consolidated into a single structure with the first fabric layer. | 08-11-2011 |
20110203449 | ENVIRONMENTALLY RESISTANT BALLISTIC COMPOSITE BASED ON A FLUOROCARBON-MODIFIED MATRIX BINDER - Ballistic resistant fabrics and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics incorporate a fluorine-containing polymeric binder composition and an optional surfactant. | 08-25-2011 |
20110219943 | CROSS-PLIED COMPOSITE BALLISTIC ARTICLES - A multilayered composite fabric, the composite fabric comprising a first fabric comprising first and second non-woven unidirectionally oriented fiber layers. Each of the fiber layers is in a resin matrix and the fibers comprise high tenacity fibers. The fibers in the two fiber layers are disposed at an angle with respect to each other. The composite fabric includes a second fabric comprising multi-directionally oriented fibers optionally in a resin matrix. The second fabric also comprises high tenacity fibers. The first and second fabrics are bonded together to form the composite fabric, which has improved ballistic resistant properties. Plastic films may be adhered to one or both outer surfaces of the first fabric and can serve as the bonding agent between the two fabrics. Also described is a method of making a composite fabric. | 09-15-2011 |
20120167662 | METHODS TO DETERMINE THE DURABILITY AND WEAR-RESISTANCE OF SOFT ARMOR - Methods to determine the durability and wear-resistance of soft armor. Observations on field tested articles of soft body armor indicate that the materials are subject to a combination of flexing, tensile, compressive and abrasive forces. The forces and stresses to which soft armor articles are subjected to can be duplicated in a controlled, isolated, measurable, appropriate and intuitive manner, to correlate ballistic performance with durability and wear characteristics. The tests closely approximate the forces and stresses experienced in the end use of ballistic resistant composite articles. | 07-05-2012 |
20120174277 | HIGH PERFORMANCE SAME FIBER COMPOSITE HYBRIDS BY VARYING RESIN CONTENT ONLY - Multi-panel ballistic resistant articles formed from woven and/or non-woven fibrous panels, each panel including varying quantities of a polymeric composition based on the total weight of the fibers and the polymeric composition. The hybrid structures provide excellent ballistic penetration resistance while maintaining a low weight. The ballistic resistant articles may be strategically positioned to dial in different levels of desired ballistic resistance for various applications. | 07-12-2012 |
20120192339 | Flexible Body Armor Vest with Breast Plate - Body armor vests and other articles having combined ballistic performance and overall weight characteristics are described. A representative body armor vest comprises both a rigid breast plate and a flexible fabric adjoining the breast plate. Both components may comprise a plurality of unidirectionally oriented fibrous layers comprising fibers having high tenacity and a high tensile modulus. | 08-02-2012 |
20120196108 | HIGH PERFORMANCE BALLISTIC COMPOSITES HAVING IMPROVED FLEXIBILITY AND METHOD OF MAKING THE SAME - Flexible ballistic resistant composite materials are described, having any of a number of important properties, or a combination of properties, including flexibility, comfort, weight, and/or ballistic performance. Representative composite materials comprise a plurality of fibrous layers, such as non-woven fibrous layers, with these fibrous layers comprises fibers (e.g., a network of fibers) having a tenacity of at least about 35 g/d and a tensile modulus of at least about 1200 g/d. Representative fibers include, for example, high tenacity poly(alpha-olefin) fibers. The fibrous layers also comprise a polymeric matrix deposited on the fibers. Advantageously, such composite materials may have an average total areal density per fibrous layer from about 16 g/m | 08-02-2012 |
20130055790 | APPARATUS AND METHOD TO MEASURE BACK FACE SIGNATURE OF ARMOR - An apparatus and method for evaluating the backface signature of flat panel ballistic resistant composites with accuracy, repeatability and improved correlation to the expected backface signature of shaped ballistic resistant composites in actual field use. | 03-07-2013 |
20130059494 | HIGH PERFORMANCE BALLISTIC COMPOSITES AND METHOD OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties and retained or improved ballistic penetration resistance properties. The composites are formed from high tenacity fibers having a tenacity of at least about 33 g/denier at ambient room temperature after being modified by a plasma treatment or by a corona treatment, without tenacity loss due to said treatments. | 03-07-2013 |
20130101787 | HIGH PERFORMANCE LAMINATED TAPES & RELATED PRODUCTS FOR BALLISTIC APPLICATIONS - Highly uniform woven fibrous structures formed from fibrous tapes, wherein the tapes constitute the warp and weft tapes of a woven fabric. The individual fibrous tapes may be woven or non-woven, and may be formed as narrow tapes or may be cut from a wider fabric web. | 04-25-2013 |
20130112071 | Flexible body armor with semi-rigid and flexible component - Multilayer ballistic resistant articles formed from a combination of flexible and semi-rigid panel components. The flexible and semi-rigid panels may include woven fibrous layers, non-woven fibrous layers or both. The articles provide suitable protection against high energy ballistic threats, while remaining suitable for flexible vest applications. | 05-09-2013 |
20130115839 | Inhibition of water penetration into ballistic materials - Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, ballistic resistant fibrous composites and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. | 05-09-2013 |
20140072758 | HYBRID FIBER UNIDIRECTIONAL TAPE AND COMPOSITE LAMINATES - Ballistic resistant materials and articles formed from fiber/tape plies that incorporate multiple different fiber or tape types within a single ply. The different fiber or tape types are physically dissimilar but may be chemically different or substantially chemically similar. | 03-13-2014 |
20140248463 | RIGID STRUCTURE UHMWPE UD AND COMPOSITE AND THE PROCESS OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having enhanced flexural properties, which correlates to low composite backface signature. The composites are useful for the production of hard armor articles, including helmet armor. | 09-04-2014 |
20140302273 | HIGH LAP SHEAR STRENGTH, LOW BACK FACE SIGNATURE UD COMPOSITE AND THE PROCESS OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having high interlaminar lap shear strength between component fiber plies or fiber layers, which correlates to low composite backface signature. The high lap shear strength, low backface signature composites are useful for the production of hard armor articles, including helmet armor. | 10-09-2014 |
20140302274 | RIGID STRUCTURAL AND LOW BACK FACE SIGNATURE BALLISTIC UD/ARTICLES AND METHOD OF MAKING - Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having enhanced a dynamic storage modulus, which correlates to low composite backface signature. | 10-09-2014 |
20150040749 | METHOD OF MAKING IMPROVED BALLISTIC PRODUCTS - A method of making a ballistic resistant composite material having improved resistance to high energy rifle bullets and the like. The method comprises providing at least one fibrous layer comprising a network of high tenacity aramid fibers. The fibrous layer is coated with a thermoplastic polyurethane resin. The coated fibrous layer is molded at a pressure of at least about 1,500 psi (10.3 MPa). Preferably, a plurality of fibrous layers are employed, each of which is formed from to unidirectionally oriented aramid fibers in a thermoplastic polyurethane resin matrix. Adjacent fibrous layers are preferably oriented at 90° with respect to each other. | 02-12-2015 |