Patent application number | Description | Published |
20080237911 | Method to apply multiple coatings to a fiber web - A method for applying multiple polymeric coatings onto a fibrous substrate. More particularly, a method for applying multiple polymeric coatings onto fibrous substrates without regard to chemical or physical incompatibilities of the polymeric coating materials. A first polymeric material is applied onto at least one fibrous substrate, and a second polymeric material is applied onto a support. The fibrous substrate and support are joined, contacting the first polymeric material with the second polymeric material, followed by separating the support from the fibrous substrate, such that at least a portion of the second polymeric material remains on the first polymeric material on the fibrous substrate. | 10-02-2008 |
20080241494 | Method to create an environmentally resistant soft armor composite - Fibrous substrates 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 fibrous substrates are coated with a multilayer polymeric coating including at least two different polymer layers wherein at least one of the layers is formed from a fluorine-containing polymer. | 10-02-2008 |
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 |
20090163098 | LOW WEIGHT AND HIGH DURABILITY SOFT BODY ARMOR COMPOSITE USING SILICONE-BASED TOPICAL TREATMENTS - Ballistic resistant articles having abrasion resistance. Particularly, abrasion resistant, ballistic resistant articles and composites having a silicone-based topical treatment. | 06-25-2009 |
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 |
20100078851 | PROCESS FOR MAKING UNIFORM HIGH STRENGTH YARNS AND FIBROUS SHEETS - Methods for preparation of high strength yarns having superior yarn-to-yarn uniformity of denier, tenacity and tensile modulus and uniform unidirectional fibrous sheets. Ballistic composites prepared from these yarns and fibrous sheets have improved uniformity of ballistic resistance. | 04-01-2010 |
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 |
20100275337 | Helmets for protection against rifle bullets - A helmet shell is formed having an outer section of fibrous layers, a middle section of fibrous layers and an inner section of fibrous layers. The outer section layers contain high tenacity abrasive fibers in a resin matrix. The middle section layers contain high strength polyolefin fibers and are in the form of woven or knitted fabrics with a resin matrix. The inner section layers contain high strength polyolefin fibers and are in the form of non-woven fabrics with a resin matrix. The helmet is lightweight and resists penetration of rifle bullets. | 11-04-2010 |
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 |
20110191928 | LOW WEIGHT AND HIGH DURABILITY SOFT BODY ARMOR COMPOSITE USING TOPICAL WAX COATINGS - Ballistic resistant articles having abrasion resistance. Particularly, abrasion resistant, ballistic resistant articles and composites having a wax-based topical treatment. | 08-11-2011 |
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 |
20110256789 | METHOD TO APPLY MULTIPLE COATINGS TO A FIBER WEB - A method for applying multiple polymeric coatings onto a fibrous substrate. More particularly, a method for applying multiple polymeric coatings onto fibrous substrates without regard to chemical or physical incompatibilities of the polymeric coating materials. A first polymeric material is applied onto at least one fibrous substrate, and a second polymeric material is applied onto a support. The fibrous substrate and support are joined, contacting the first polymeric material with the second polymeric material, followed by separating the support from the fibrous substrate, such that at least a portion of the second polymeric material remains on the first polymeric material on the fibrous substrate. | 10-20-2011 |
20120103503 | LOW WEIGHT AND HIGH DURABILITY SOFT BODY ARMOR COMPOSITE USING SILICONE-BASED TOPICAL TREATMENTS - Ballistic resistant articles having abrasion resistance. Particularly, abrasion resistant, ballistic resistant articles and composites having a silicone-based topical treatment. | 05-03-2012 |
20120156952 | METHOD TO CREATE AN ENVIRONMENTALLY RESISTANT SOFT ARMOR COMPOSITE - Fibrous substrates 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 fibrous substrates are coated with a multilayer polymeric coating including at least two polymer layers wherein the first polymer and the second polymer forming said respective layers are the same and optionally comprise fluorine. | 06-21-2012 |
20120167751 | COMPOSITE BALLISTIC FABRIC STRUCTURES FOR HARD ARMOR APPLICATIONS - A ballistic resistant composite material useful in rigid armor applications. The composite material includes at least one consolidated network of high tenacity fibers in a thermoplastic matrix material. The resin is a thermoplastic polyurethane resin that is semi-crystalline at room temperature. The high tenacity fibers have a tenacity of at least about 7 g/d. Prior to consolidation the polyurethane resin matrix material is in an aqueous medium. When dry, the polyurethane matrix material has a tensile modulus (at 100% elongation) of at least about 500 psi (3.45 MPa), a tensile modulus (at 300% elongation) of at least about 500 psi (3.45 MPa), and an ultimate tensile strength of at least about 2000 psi (13.78 MPa). The ballistic resistant composite material has improved ballistic properties. | 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 |
20120175043 | METHOD TO APPLY MULTIPLE COATINGS TO A FIBER WEB - A method for applying multiple polymeric coatings onto a fibrous substrate. More particularly, a method for applying multiple polymeric coatings onto fibrous substrates without regard to chemical or physical incompatibilities of the polymeric coating materials. A first polymeric material is applied onto at least one fibrous substrate, and a second polymeric material is applied onto a support. The fibrous substrate and support are joined, contacting the first polymeric material with the second polymeric material, followed by separating the support from the fibrous substrate, such that at least a portion of the second polymeric material remains on the first polymeric material on the fibrous substrate. | 07-12-2012 |
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 |
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 |
20130212763 | Protective helmets - A helmet shell formed from two types of high tenacity fibers in multiple layers of fibrous materials. The fibrous materials are in the form of layers of fibrous networks in a resin matrix. There are a plurality of each type of fibrous layers. Preferably the outer set of fibrous layers is formed from aramid fibers and the inner set of fibrous layers is formed from high tenacity polyolefin fibers. There may also be employed a third type of fibrous material as an additional set of fibers and used as the outer layers of the helmet shell. The third type of fibrous layers is formed from glass fibers that are also in a resin matrix. The helmet is lightweight, has excellent ballistic resistant properties and is useful for both military and non-military applications. | 08-22-2013 |
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 |
20150020283 | HELMETS FOR PROTECTION AGAINST RIFLE BULLETS - A helmet shell is formed having an outer section of fibrous layers, a middle section of fibrous layers and an inner section of fibrous layers. The outer section layers contain high tenacity abrasive fibers in a resin matrix. The middle section layers contain high strength polyolefin fibers and are in the form of woven or knitted fabrics with a resin matrix. The inner section layers contain high strength polyolefin fibers and are in the form of non-woven fabrics with a resin matrix. The helmet is lightweight and resists penetration of rifle bullets. | 01-22-2015 |
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 |