Coating Or Impregnation Is Resistant To Penetration By Solid Implements Patents (Class 442/134)
  • Patent number: 7968478
    Abstract: A novel cross-plied material is formed of portions of a ply of a ballistic-resistant structure composed of unidirectionally-oriented bundles of high strength filaments laminated between opposing thermoplastic films which portions are cross-plied with portions of a continuous ply of a similar ballistic-resistant structure with a plurality of yarns laterally spaced into a linear array corresponding to the width of the continuous ply along the ply direction. Substantially continuous coatings or deposits of a bonding or coupling agent on the yarns cause a plurality of substantially continuous bonding strips to be formed between the continuous ply and the portions of cross-ply, with the bonding strips being laid in a laterally spaced linear array corresponding to the yarns. The bonding strips couple the cross-ply portions with consecutive portions of the continuous ply, whereby the continuous ply and the cross-ply portions are adhered sufficiently to prevent their being pulled apart.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: June 28, 2011
    Inventors: Ronald G. Krueger, Ronald L. Krueger
  • Patent number: 7964518
    Abstract: Ballistic resistant materials having improved strength and lighter weights. More particularly, improved ballistic resistant fabrics produced from drawn, high modulus fibers having a reduced fiber diameter and improved physical strength properties, without changing other properties such as fiber chemistry, binder resin type and binder resin content. The fabrics incorporate low denier per filament monofilament fibers, low denier per filament multifilament fibers, or a combination of low denier per filament monofilament fibers and low denier per filament multifilament fibers in a specialized fabric construction to form fine fiber layers and fabrics having enhanced strength and fiber areal density without altering the fabric weight, or having reduced fabric weight without a corresponding reduction in ballistic performance.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: June 21, 2011
    Assignee: Honeywell International Inc.
    Inventors: Ashok Bhatnagar, Brian D. Arvidson, Chok Bin C. Tan, Lori L. Wagner
  • Patent number: 7910502
    Abstract: 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.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: March 22, 2011
    Assignee: Honeywell International Inc.
    Inventors: David A. Hurst, Brian D. Arvidson, Ashok Bhatnagar, Henry G. Ardiff
  • Patent number: 7900267
    Abstract: Multiaxial fabrics contain at least one layer of nonwoven fabric, thermoplastic film or thermoset film, a first layer containing a plurality of first yarns being substantially parallel in a first direction, a second layer containing a plurality of second yarns being substantially parallel in a second direction and skew or off-set with respect to the first yarns, and transverse yarn interlaced transversely within the layers wherein each layer may be arranged in any sequential order and optionally coated with a high viscosity polymer that has a Tg in the range of about ?40 to about 0° C., and a zero shear melt viscosity of about 2×106 to about 1013 poise at 20° C.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: March 8, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Minshon J. Chiou
  • Patent number: 7875563
    Abstract: 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.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: January 25, 2011
    Assignee: Honeywell International Inc.
    Inventors: Henry G. Ardiff, Ralf Klein, Brian D. Arvidson, Ashok Bhatnagar, Lori L. Wagner
  • Patent number: 7858540
    Abstract: 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.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: December 28, 2010
    Assignee: Honeywell International Inc.
    Inventors: Henry G. Ardiff, Ashok Bhatnagar, David A. Hurst, Brian D. Arvidson, Lori L. Wagner
  • Patent number: 7820565
    Abstract: A fabric including a first layer of high-performance unidirectional yarns and a second layer of high-performance unidirectional yarns disposed transversely to the first layer. The fabric also includes warp and fill encapsulating yarns woven around the unidirectional yarns to substantially stabilize the unidirectional yarns. The encapsulating yarns have tenacities and tensile moduli substantially less than the tenacities and tensile moduli of the unidirectional yarns. The fabric has a cover factor between approximately 0.75 and approximately 1.50.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: October 26, 2010
    Assignee: Barrday Inc.
    Inventors: Jason van Heerden, Shekoufeh Shahkarami, David Verlin Cunningham, Laura E. Pritchard
  • Patent number: 7794808
    Abstract: A typical inventive embodiment describes a tubular shape and comprises a rigid outer layer, an elastomeric middle layer and a rigid inner layer. The elastomeric material is a strain-rate-sensitive polymer (e.g., polyurethane or polyurea) having a Young's modulus of approximately 700-1000 psi at 100% strain, and strong strain-rate-sensitivity in approximately the 103/second-106/second range. By the time that the projectile reaches the rigid inner layer, a projectile that impacts the three-layer system (commencing at the rigid outer layer) is structurally and kinetically diminished in its destructiveness by the rigid outer layer together with the elastomeric middle layer. Furthermore, the elastomeric middle layer becomes more rigid during a brief period in which it absorbs energy from the projectile, then again becomes elastic in a manner formative of a membrane covering the rigid inner layer. The elastomeric membrane tempers leakage if rupturing of the rigid inner layer has occurred.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: September 14, 2010
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Philip John Dudt, Roshdy George S. Barsoum
  • Patent number: 7727914
    Abstract: The invention relates to a flexible, penetration resistant article comprising a plurality of fibrous layers including continuous filament yarns, and having an areal density of less than about 4.4 kilograms per square meter. At least one of the plurality of fibrous layers has a fiber with a tenacity of at least about 30 grams per decitex and a continuous filament yarn having a linear density of less than about 1100 decitex.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: June 1, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Minshon J. Chiou
  • Patent number: 7722952
    Abstract: A composite configured to release refrigerant therefrom comprises a substrate material comprising polarized fibers of glass, polyamide, phenylene sulfide, carbon or graphite having bonded thereon a metal compound comprising a complex compound of a polar gaseous refrigerant and a metal salt and/or a hydrated metal hydroxide and/or a metal hydroxide of a metal selected from the group consisting of alkali metal, alkaline earth metal, transition metal, zinc, cadmium, tin, aluminum, or two or more thereof, at a concentration of at least about 0.3 grams/cc of open substrate material volume, and a coating composition thereon configured to prevent release of internal gaseous refrigerant therethrough at ambient temperatures and pressure and capable of penetration of gaseous refrigerant therethrough from the composite interior at temperatures causing internal gas pressures of 15% or more above exterior pressure for such refrigerant release.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: May 25, 2010
    Assignee: Rocky Research
    Inventors: Uwe Rockenfeller, Kaveh Khalili
  • Patent number: 7700503
    Abstract: A ballistic-resistant material having a first exterior layer formed of a ballistic-resistant non-woven textile, a second exterior layer formed of a ballistic-resistant non-woven textile, and an interior layer of ballistic-resistant woven textile arranged between the first exterior layer and the second exterior layer. The woven textile is a tight weave. The woven layer a high occupation, high fabric density woven textile at or near the technical jamming point of fabric construction. Also disclosed are articles made from the ballistic-resistant material.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: April 20, 2010
    Assignee: Auburn University
    Inventor: Howard L. Thomas, Jr.
  • Publication number: 20100080971
    Abstract: A method and apparatus for providing impact, abrasion and sharp implement resistance to a body. The apparatus including an impact layer having a plurality of plates adhered to a layer of penetration resistant fabric and an energy absorptive layer including an energy absorptive material coupled to the impact layer. The apparatus may further include a layer of woven fabric and a layer of multiple plies of a penetration resistant fabric.
    Type: Application
    Filed: September 25, 2009
    Publication date: April 1, 2010
    Inventor: Murray Lane Neal
  • Patent number: 7687412
    Abstract: 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.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: March 30, 2010
    Assignee: Honeywell International Inc.
    Inventors: Ashok Bhatnagar, David A. Hurst, Brian D. Arvidson, David A. Steenkamer, Lori L. Wagner
  • Patent number: 7642206
    Abstract: A ballistic resistant panel which is formed from a ceramic layer and a plurality of fibrous backing layers. A first fibrous backing layer is adjacent to the ceramic layer, and a second fibrous backing layer is adjacent to the first fibrous backing layer. Each of the fibrous backing layers are formed from a network of high tenacity fibers, but the fibers of each of the backing layers have a different composition. Preferably, the first fibrous layer is stiffer than the second fibrous layer. The panel has a ballistic resistance which is substantially equivalent to or higher than the ballistic resistance of a comparable ceramic panel construction that has only a single fibrous layer of the same type of high tenacity fibers as are in the first and second fibrous backing layers, for substantially the same areal density.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: January 5, 2010
    Assignee: Honeywell International Inc.
    Inventors: Ashok Bhatnagar, Lori L. Wagner, Harold Lindley Murray, Jr., Brian D. Arvidson, Madhusudhan Rammoorthy
  • Publication number: 20090311930
    Abstract: A flexible knife resistant composite incorporating a stack of at least five knife resistant textile layers, where each knife resistant textile layer comprises monoaxially drawn tape elements. The tape elements contain a base layer strain oriented olefin polymer with at least one covering layer of a heat fusible olefin polymer on the base layer and the covering layer is characterized by a softening temperature below that of the base layer. The tape elements within each layer are consolidated to one another by the covering layer and the tape elements of one layer are not consolidated to the tape elements of the adjacent layers.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 17, 2009
    Inventors: Yunzhang Wang, Howell B. Eleazer
  • Patent number: 7629277
    Abstract: Fabric laminates having superior resistance to penetration of fragments, such as shrapnel. The fabrics are formed of high-strength fibers consolidated with from about 7% to about 15% by weight of an elastomeric matrix composition, and in combination with protective layers of a polymer film on each surface of the fabric. The fabrics achieve a significant improvement in fragment resistance compared to fabrics of the prior art, while also maintaining excellent ballistic resistant properties.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: December 8, 2009
    Assignee: Honeywell International Inc.
    Inventors: Ashok Bhatnagar, Lori L. Wagner, Chok Bin C. Tan, Brian Arvidson, Harold Lindley Murray, Jr., David Hurst
  • Patent number: 7622404
    Abstract: A fabric layer with a polymer disposed thereon in a series of curves, stripes, or combinations thereof and the polymer is substantially continuous within the series of curves, stripes, or combinations and covers no greater than 20% of the fabric layer and a process for making the layer.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: November 24, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Yves Termonia
  • Patent number: 7622405
    Abstract: 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.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: November 24, 2009
    Assignee: Honeywell International Inc.
    Inventors: Brian D. Arvidson, David A. Hurst, Ashok Bhatnagar, Lori L. Wagner
  • Patent number: 7608322
    Abstract: A composite material that is suitable for the protection of personnel and/or property from impact due to ballistic projectiles and method for making same are disclosed herein. In one embodiment, there is provided composite for resisting impact from an oncoming projectile having a front strike face and a back wear face comprising: an elastomer; and an impact resistive substrate wherein at least a portion of the impact resistive substrate is coated by the elastomer to provide the composite having a front strike face coating and a back wear face coating and wherein a ratio of weight of front strike face coating to back wear face coating ranges from 1:1.2 to 1:100.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: October 27, 2009
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Courtney T. Thurau, Mark David Conner
  • Patent number: 7601416
    Abstract: Flexible composites which are ballistic and stab resistant. The composites are formed from at least one, and preferably a plurality of, fibrous layer comprising a network of high tenacity fibers. A stack of a plurality of fibrous layers is consolidated in a desired pattern over a substantial portion of its surface area which results in areas which are consolidated and areas that are unconsolidated. The unconsolidated areas provide flexibility to the overall composite structure and the structure is resistant to ballistic projectiles and/or sharp objects. Body armor formed from the composites is comfortable to wear and reduces the degree of trauma to the wearer as a result of impact by the ballistic projectile or sharp object.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: October 13, 2009
    Assignee: Honeywell International Inc.
    Inventor: Igor Palley
  • Patent number: 7601654
    Abstract: Ballistic resistant composites and articles formed therefrom for use in airplanes and other vehicles which meets particular structural, impact and ballistic requirements. An aerospace-specification grade honeycomb is positioned between panels comprising non-woven ballistic resistant fibrous layers, and optionally one or more fire resistant layers. The composites and the articles formed therefrom have superior structural, impact, fire resistance and ballistic performance at a light weight.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: October 13, 2009
    Assignee: Honeywell International Inc.
    Inventors: Ashok Bhatnagar, Brian Arvidson
  • Patent number: 7598185
    Abstract: A panel had a first face and a second face, including a strike face portion having a first plurality of plies each containing fibers in a matrix material. There is a support portion adjacent to the strike face portion, the support portion containing a second plurality of plies each having fibers in a matrix material. Each ply is bound to an adjacent ply and the first fibers are lower-performing relative to the second fibers. Protection from a ballistic threat may be provided by providing such a panel with the strike face disposed toward the threat. In another aspect, a composite ballistic panel may contain fibers in a thermoplastic matrix material, to the substantial exclusion of thermosetting matrix materials.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: October 6, 2009
    Assignee: Polystrand, Inc.
    Inventors: Edward D. Pilpel, Richard H. Holland, Steven R S Johnson
  • Patent number: 7556854
    Abstract: An insulation package comprising a layer of material having a cellular structure disposed between a first layer of high-strength polymeric fabric and a second layer of high-strength polymeric fabric. The insulation provides protection for critical fluid systems, such as fuel, hydraulic, electrical, pneumatic, thermal, and mechanical systems from high-energy projectiles such as fragments from the disintegration of high-speed turbines and engines.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: July 7, 2009
    Assignee: The Boeing Company
    Inventors: Tibor Farkas, Todd E. Jensen, Bich Nguyen
  • Publication number: 20090142535
    Abstract: A puncture, pierce, and cut resistant fabric comprised of a plurality of sheets of plates arranged in a repeating pattern. A material interconnects the plates. The fabric is twistable, bendable, and flexible. It is constructed of substances that will withstand cutting, puncture, and piercing forces encountered in medical or other environments.
    Type: Application
    Filed: February 3, 2009
    Publication date: June 4, 2009
    Applicant: Higher Dimension Materials, Inc.
    Inventors: Young-Hwa Kim, Hong Ji, Nicole Dawn Renneberg, Seong-Gi Baek
  • Patent number: 7514378
    Abstract: A composite fabric, multi-layer protective panel alternative to an exclusively fine denier, continuous filament yarn protective fabric, multi-layer protective panel. Fabric layers consist of warp and fill sheets of continuous filament yarn of relatively higher denier at a relatively lower cover factor that have their yarns interlocked in a woven pattern by overlapping warp and fill sheets of staple yarns of relatively lower denier, thus raising effective cover factor. Staple yarns have a conspicuous amount of hairiness for greater yarn stability. Ballistic performance is enhanced by depositing a molten mass of fiber material and protruding staple fiber filament ends on a striking projectile upon impact on outer layers, and transporting the additional mass into the panel with a higher coefficient of friction.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: April 7, 2009
    Assignee: Warwick Mills, Inc.
    Inventor: Charles A Howland
  • Publication number: 20090087601
    Abstract: The present invention provides a coated base fabric for airbags including: a cloth obtained by weaving polyamide (PA) fiber yarns; and a PA elastomer coating film formed on one surface or both surfaces of the cloth, wherein the coated base fabric has predetermined air tightness and flexibility, is easily converted to a PA reproduced material, and is obtained by fusing a coating film (16) made of an airflow suppression PA elastomer on one surface or both surfaces of a cloth (14) obtained by weaving yarns (12) and (12A) made of a polyamide (PA) fiber, as the PA elastomer, soft PA is normally used, which has a melting point (measured by the standard of ASTM D3418) of 135 to 200° C., a difference between the melting points of the PA fiber and PA elastomer being 80 to 120° C.
    Type: Application
    Filed: September 16, 2008
    Publication date: April 2, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Hiroyuki Kobayashi, Ichizo Shiga, Yasuji Ozaki
  • Patent number: 7498276
    Abstract: An armor composite material has been invented which contains a fabric which has been impregnated with shear thickening fluid. This invention offers a ballistic resistant material that is more flexible and less bulky than comparable, conventional ballistic fabric. The material in the alternative can be puncture resistant. The invented material offers superior ballistic performance and/or puncture resistance compared to conventional ballistic fabric-based materials of equal thickness. The invented material can be applied to applications requiring armor that is compact and/or flexible, such as body armor, protective clothing and flexible protective devices and shields, and stab resistant clothing and devices.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: March 3, 2009
    Assignee: University of Delaware
    Inventors: Norman Wagner, Eric D. Wetzel
  • Patent number: 7458103
    Abstract: A flexible penetration-resistant package is described, comprising a) at least one laminate consisting of at least one layer of yarns comprising fibers with a strength of at least 900 MPa as per ASTM D-885, wherein the layer of yarns is bound to at least one polymer continuum having a modulus of elasticity in extension of 5 to 1000 MPa as per ASTM D-882 and wherein the package has an outer surface facing the side under attack and an inner surface facing away from the side under attack, and b) a layer of compressible material, the layer arranged either on the inner surface of the package or at such a position in the package between the laminates that from this position the number of laminates toward the outer surface of the package is at least twice the number of laminates toward the inner surface. The package is used to produce protective clothing, in particular protective vests, suits, and mats.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: December 2, 2008
    Assignees: Teijin Aramid GmbH, F.LLI Citterio S.p.A.
    Inventors: Giorgio Citterio, Christian Böttger
  • Patent number: 7442658
    Abstract: An impact resistant roofing shingle which includes an asphalt coated substrate whose unexposed surface is laminated to an organic film. A process of forming that shingle includes the step of applying an organic film, by spraying a latex, by applying a rubber polymer modified asphalt, by compressing a plastic film having a higher melting or decomposition temperature than the melting point of the asphalt coating or by applying an adhesive to which a plastic film is applied to the unexposed surface of the asphalt coated substrate.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: October 28, 2008
    Assignee: Building Materials Investment Corporation
    Inventors: Tommy Rodrigues, Frederick W. Sieling, Awdhoot Vasant Kerkar
  • Publication number: 20080222985
    Abstract: A composite suitable as an integral portion of a building affording protection from wind blown debris such as from a tornado comprises in order a layer of structural sheathing material such as plywood, a layer of adhesive, a lightweight material, a layer of adhesive, a layer of fabric of high strength fibers bonded resin, a layer of adhesive, and a layer of a structural sheathing material.
    Type: Application
    Filed: May 8, 2008
    Publication date: September 18, 2008
    Inventors: Jeffrey Alan Hanks, Helga R. Kuhlmann, David White Prior, Zakirhushain G. Dugla
  • Patent number: 7407900
    Abstract: A ballistic composite comprises multiple layers of a fabric having unidirectional ballistic resistant yarns in at least two layers and a resin layer between each pair of such multiple layers adhered to the ballistic resistant yarns but not encapsulation the same and not penetrating the layer of fabric. The ballistic yarn layers are at 90°±5° with respect to each other and the ballistic resistant yarns are stabilized by being woven in a second fabric. The second fabric is formed of yarns having a substantially lower tenacity and tensile modulus than the ballistic resistant yarn. The ballistic resistant yarns have a tenacity of at least about 15 grams per denier and a modulus of at least about 40 grams per denier. The resin in the resin layer has a modulus of at least about 7000 psi.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: August 5, 2008
    Assignee: Barrday, Inc.
    Inventor: David Verlin Cunningham
  • Publication number: 20080139071
    Abstract: Ballistic resistant fabric laminates are provided. More particularly, reinforced, delamination resistant, ballistic resistant composites are provided. The delamination resistant, ballistic resistant materials and articles may be reinforced by various techniques, including stitching one or more ballistic resistant panels with a high strength thread, melting the edges of a ballistic resistant panel to reinforce areas that may have been frayed during standard trimming procedures, wrapping one or more panels with one or more woven or non-woven fibrous wraps, and combinations of these techniques. The delamination resistant, ballistic resistant panels may further include at least one rigid plate attached thereto for improving ballistic resistance performance.
    Type: Application
    Filed: December 29, 2005
    Publication date: June 12, 2008
    Inventors: Ashok Bhatnagar, Lori L. Wagner, David A. Hurst
  • Publication number: 20080119099
    Abstract: Flexible composites which are ballistic and stab resistant. The composites are formed from at least one, and preferably a plurality of, fibrous layer comprising a network of high tenacity fibers. A stack of a plurality of fibrous layers is consolidated in a desired pattern over a substantial portion of its surface area which results in areas which are consolidated and areas that are unconsolidated. The unconsolidated areas provide flexibility to the overall composite structure and the structure is resistant to ballistic projectiles and/or sharp objects. Body armor formed from the composites is comfortable to wear and reduces the degree of trauma to the wearer as a result of impact by the ballistic projectile or sharp object.
    Type: Application
    Filed: December 6, 2005
    Publication date: May 22, 2008
    Inventor: Igor Palley
  • Patent number: 7354875
    Abstract: The invention relates to a fabric having both stab resistant and anti-ballistic properties. The fabric is made of yarn of a weight greater than about 500 dtex, and the fabric has a minimum shrinkage factor of at least about 1% achieved through a densification treatment. The invention further relates to a method of producing a such a fabric having the steps of agitating a fabric made of a yarn of a weight greater than about 500 dtex, substantially removing a spin finish from the fabric before, during or after the agitating step, and drying the fabric.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: April 8, 2008
    Assignee: Teijin Twaron GmbH
    Inventors: David R. Hand, Rudiger Hartert, Christian Bottger
  • Patent number: 7340779
    Abstract: An article is disclosed to protect a wearer from spike and ballistic threats that is made from a spike resistant panel and a ballistic resistant panel. Each panel is made from flexible fabric layers. The fabrics in the spike resistant panel are made from first yarns having a linear density of from 50 to 600, with a plurality of filaments. There are 40 to 100 first yarns per inch in both the warp and fill directions. The fabrics in the ballistic resistant panel are made from second yarns having a linear density of from 100 to no more than 840 denier with a plurality of filaments, which provide from 20,000,000 to no more than 90,000,000 filament crossovers per square inch.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: March 11, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Minshon J. Chiou
  • Publication number: 20070293107
    Abstract: Composite assemblies are disclosed. Methods of making and using composite assemblies are also disclosed.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 20, 2007
    Inventors: Brian J. Follo, Frederick P. Isley
  • Patent number: 7300893
    Abstract: Protection against blast and ballistic damage is improved by encapsulating or sandwiching rigid inclusions (for example, tiles) or a rigid plate by a high-strain rate hardening elastomer. Typical high-strain rate hardening elastomers include polyurea and polyurethane. If desired, the inclusion or plate may be wrapped in a cloth and/or fabric before encapsulation/sandwiching. The armor may be used independently of a substrate or may be attached by any means to a substrate that it is intended to protect.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: November 27, 2007
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Roshdy George S. Barsoum, Dudt Philip
  • Patent number: 7288493
    Abstract: Flexible body armor formed from flexible composites which have improved knife-stab resistance. The body armor is formed from composites which include layers of a fabric base, formed from high tenacity fibers, and a rubber layer bonded to the fabric base. A thermoplastic bonding layer may be used to bond the fabric and rubber layers together. To provide ballistic resistance, the body armor may also include a ballistic resistant composite of a network of high tenacity fibers.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: October 30, 2007
    Assignees: Honeywell International Inc., JHRG LLC
    Inventors: Ashok Bhatnagar, Huy X. Nguyen, John E. Holland
  • Patent number: 7276458
    Abstract: The invention provides a composite textile or material comprising a substrate of high strength fibers, and having a natural or synthetic diamond coating bonded thereto. Preferably, the textile is a high strength fabric including or made from aramide fibers, and the natural or synthetic coating is applied by a process such as plasma or flame spraying, chemical vapor deposition, sintering, or fast pulse laser deposition. The textile or fabric can preferably be used to make or reinforce protective clothing including vests, hats, helmets, jackets, pants, shoes or boots, coats, blankets, rugs, curtains, and the like. The textile or fabric may also include an iodine or iodine containing coating, to absorb radioactive radiation, and to kill airborne pathogens, including bacteria and viruses.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: October 2, 2007
    Inventor: Sheree H. Wen
  • Patent number: 7228571
    Abstract: A method of making a helmet comprises the steps of cutting a plurality of substantially rectangular, preferably square, blanks from a sheet of resin-impregnated fabric, making curved cuts (1) in each blank to form a crown portion (5) and lobe portions (3) therefrom, arranging a stack of said sheets into a helmet preform such that the lobe portions of any blank partially overlap adjacent lobe portions of the same blank, and molding the helmet from the preform.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: June 12, 2007
    Assignee: NP Aerospace Limited
    Inventor: Martin Cheese
  • Patent number: 7226878
    Abstract: An armor composite material has been invented which contains a ballistic fabric which has been impregnated with shear thickening fluid. This invention offers a ballistic resistant material that is more flexible and less bulky than comparable, conventional ballistic fabric. The invented material offers superior ballistic performance compared to conventional ballistic fabric-based materials of equal thickness. The invented material can be applied to applications requiring armor that is compact and/or flexible, such as body armor, protective clothing and flexible protective devices and shields, and stab resistant clothing and devices.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: June 5, 2007
    Assignee: The University of Delaware
    Inventors: Norman J. Wagner, Eric D. Wetzel
  • Patent number: 7153789
    Abstract: An elastic composite structure including an elastomer system comprising at least one of a polyurethane resin, a polyurethane dispersion, or a silicone-based elastomer material. A mechanically durable reinforcer system includes a fabric, weave or knit structure including a flexible hybrid yarn including at least elastic polymer fibers, wherein the fabric, weave or knit structure is at least partially precoated/impregnated with an elastic and soft elastomer matrix to form a surface layer of the composite structure.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: December 26, 2006
    Assignee: Oy Oms Optomedical Systems Ltd
    Inventors: Leo Hatjasalo, Kari Rinko
  • Patent number: 7153790
    Abstract: A penetration-resistant material is described to include at least a double layer of woven fabric, wherein the double layer includes a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and composing at least 65% of the first layer fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set is greater than 1:1, and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads having 3.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: December 26, 2006
    Assignee: Teijin Twaron GmbH
    Inventors: Christian K. Böttger, Rüdiger Hartert, Kurt R. Stolze, Achim G. Fels
  • Patent number: 7150046
    Abstract: Protective clothing comprises at least one protective material including an array of one or more superposed layers of woven fabric, wherein each fabric layer is flexible and includes at least one fabric, made of yarns having a strength of at least 900 MPa, that is joined to at least one polymer film, and wherein the protective material has an outer surface facing the side of attack and an inner surface facing away from the side of attack, wherein the protective material also has at least one layer of felt, placed in every case on one of the fabric layers.
    Type: Grant
    Filed: October 19, 2002
    Date of Patent: December 19, 2006
    Assignee: Teijin Twaron GmbH
    Inventors: Christian Kurt Böttger, Joe Krummel
  • Patent number: 7148162
    Abstract: A ballistic laminate structure includes a first high-performance unifabric composite. The unifabric composite incorporates an array of unidirectionally-oriented fiber bundles carried on a fiber-stabilizing scrim and having a tensile strength greater than 7 grams per denier. A second high-performance unifabric composite includes an array of high performance, unidirectionally-oriented fiber bundles. The fiber bundles of the second composite are carried on a fiber-stabilizing scrim and have a tensile strength greater than 7 grams per denier. The first and second unifabric composites are cross-plied at an angle and bonded together to form the ballistic laminate structure.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: December 12, 2006
    Inventors: Andrew D. Park, Dave Park, Alexander J. Park
  • Patent number: 7132380
    Abstract: A penetration-resistant material having at least a double layer of woven fabric having a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, a linear density of at least 210 dtex, and at least 65% of the fabric weight, and a second set of threads having 0.5 to 16 threads/cm and a linear density of at least 50 dtex and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and a linear density of at least 50 dtex, and a second set of threads having 3.5 to 20 threads/cm, a linear density of at least 210 dtex, and at least 65% of the fabric weight. In each layer, the second set are transverse to the first set and the ratio of the number of threads/cm of the second set to that of the first set is >1.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: November 7, 2006
    Assignee: Teijin Twaron GmbH
    Inventors: Christian Böttger, Achim Fels, Christoph Baumgart, Bärbel Dorloff-Lumpe
  • Patent number: 7090906
    Abstract: Fire resistant safety glasses are provided that included wire glasses having another layer of fire resistant material. In certain embodiments, a piece of wire glass has a sheet of fire resistant film adhered thereto. Such glasses have improved impact resistance compared to conventional wire glasses. Fire resistant safety glasses are also provided that combine improved impact resistance and fire protection and in some embodiments, improved thermal insulation, improved reflectivity and shielding against ionizing radiation. Safety glasses of this invention can be made using non-tempered or tempered glass, fire resistant plastics, fire resistant fiberglass, ceramics and other fire resistant glazing materials, and can be made in multiple layers, having one or more pieces of wire glass or fire resistant glazing materials. Fire resistant safety glasses of this invention can be made inexpensively and can have improved properties compared to conventional wire glass.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: August 15, 2006
    Assignee: O'Keeffe's, Inc.
    Inventor: William O'Keeffe
  • Patent number: 7087296
    Abstract: This invention provides multi-layered composites, laminates and composite joints in which at least one resin-impregnated, fiber-containing layer is joined or laminated to a core layer having a lower flexural modulus or higher elongation at break, higher toughness, or a combination of all or some of these properties. The multi-layer composite produced by laminating or joining these materials together has improved shearout, impact and cutting resistance, since stresses caused by outside forces can be more widely distributed throughout the composite.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: August 8, 2006
    Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.
    Inventor: John Frederick Porter
  • Patent number: 7018692
    Abstract: A fabric includes a fabric substrate and a plurality guard plate assemblies affixed to the fabric substrate in a spaced relationship to each other. Each guard plate assembly includes a first layer of material affixed to the fabric substrate and a second layer of material joined to the first layer of material on a surface opposite the fabric substrate. The second layer of material has characteristics different than the first layer of material and are chosen commonly to meet the demands of the application to which the fabric is designed.
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: March 28, 2006
    Assignee: Higher Dimension Medical, Inc.
    Inventors: Young-Hwa Kim, Nicole Smith, Hong Ji
  • Patent number: 6962739
    Abstract: A punture, pierce, and cut resistant fabric comprised of a plurality of sheets of plates arranged in a repeating pattern. A material interconnects the plates. The fabric is twistable, bendable, and flexible. It is constructed of substances that will withstand cutting, puncture, and piercing forces encountered in medical or other environments.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: November 8, 2005
    Assignee: Higher Dimension Medical, Inc.
    Inventors: Young-Hwa Kim, Hong Ji, Nicole Dawn Renneberg, Seong-Gi Baek