Patent application number | Description | Published |
20090095413 | COMPOSITE REINFORCEMENT OF METALLIC STRUCTURAL ELEMENTS - A selectively reinforced hybrid metal-composite structural element can include a metal element and a composite material. The composite material can be bonded to the metal element by an adhesive layer including a polymer matrix using a radiation curing process, resulting in insubstantial or negligible residual stresses at the bond line between the metal element and the composite element. The structural element also can include a metal closeout cap to provide a barrier from a corrosive atmosphere, and the adhesive layer can encapsulate the composite element to provide a corrosion-resistant barrier between the composite element and the surrounding metal. | 04-16-2009 |
20100011702 | OPAQUE FIBER REINFORCEMENT OF COMPOSITES - A composite material includes a polymeric matrix, at least one transparent region including a plurality of optically clear elements provided in the polymeric matrix and at least one opaque region including a plurality of opaque reinforcing elements provided in the polymeric matrix generally adjacent to the at least one transparent region. A structural window and a method for reinforcing a composite material are also disclosed. | 01-21-2010 |
20100075090 | VARIED GLASS DENSITY REINFORCEMENT OF COMPOSITES - A transparent reinforced composite material. An illustrative embodiment of the reinforced composite material includes a polymeric matrix, at least one low-density region including a first plurality of glass elements having a first packing density provided in the polymeric matrix and at least one high-density region including a second plurality of glass elements having a second packing density greater than the first packing density provided in the polymeric matrix. A method for reinforcing a composite material is also disclosed. | 03-25-2010 |
20100316859 | Varied Glass Density Reinforcement of Composites - A transparent reinforced composite material. An illustrative embodiment of the reinforced composite material includes a polymeric matrix, at least one low-density region including a first plurality of glass elements having a first packing density provided in the polymeric matrix and at least one high-density region including a second plurality of glass elements having a second packing density greater than the first packing density provided in the polymeric matrix. A method for reinforcing a composite material is also disclosed. | 12-16-2010 |
20110031431 | MAGNETIC COMPOSITE STRUCTURES WITH HIGH MECHANICAL STRENGTH - Magnetic fiber structures include a fiber and a plurality of permanent magnet particles carried by the fiber. | 02-10-2011 |
20110230596 | GLASS FIBERS HAVING IMPROVED STRENGTH - A glass fiber and a method of manufacturing a glass fiber for reinforcing a transparent composite matrix are disclosed. The glass fiber includes a first glass material having a first set of mechanical properties including a first modulus and a first coefficient of thermal expansion (CTE) and a second glass material having a second set of mechanical properties including a second modulus and a second CTE. The second glass material forms a substantially uniform coating on the first glass material. The second CTE is less than the first CTE. The glass fiber is formed by reducing the cross-section of a glass fiber preform of the first glass material coated with the second glass material by hot working. Because of the selected difference in the CTE's, the first glass material imparts a compressive force upon the second glass material, which improves the strength of the glass fiber. | 09-22-2011 |
20110230597 | GLASS FIBERS HAVING IMPROVED DURABILITY - A glass fiber and a method of manufacturing a glass fiber for reinforcing a transparent composite matrix is disclosed. The glass fiber includes a first glass material having a first refractive index, a first modulus, and a first durability characteristic and a second glass material having a second refractive index, a second modulus, and second durability characteristic. The second durability characteristic is greater than the first durability characteristic. Durability characteristic is selected from the group comprising resistance to chemical attack, resistance to acid attack, resistance to fading from exposure to ultra-violet radiation, and resistance to mechanical abrasion. | 09-22-2011 |
Patent application number | Description | Published |
20100243170 | VACUUM DEBULK AND RADIATION CURE SYSTEM AND APPARATUS - A system for fabricating a composite item from a layup may comprise a debulking device, a vacuum generator and a curing device. The debulking device may include a vacuum chamber, an envelope and a heater. The vacuum chamber may have a chamber pressure. The envelope may be contained within the vacuum chamber and may have an envelope pressure. The layup may be received within the envelope. The heater may heat the layup. The vacuum generator may be in fluid connection with the debulking device. The curing device may cure the layup. | 09-30-2010 |
20120015171 | Apparatus and Method for Making Glass Preform With Nanofiber Reinforcement - There is provided an apparatus and method for making a glass preform with nanofiber reinforcement. The apparatus comprises a container for melting one or more glass components in a mixture comprising the glass components and one or more nanofibers. The container has an opening that allows escape of any gas released from the glass components when the glass components are melted in the container. The apparatus further comprises one or more heating elements for heating the container. The apparatus further comprises one or more electric field devices, positioned exterior to the glass components, that create an electric field in a volume of the mixture in order to orient the nanofibers within the glass components when the glass components are melted in the container. | 01-19-2012 |
20120088063 | TRANSPARENT COMPOSITES WITH ORGANIC FIBER - A composite article comprises a substantially transparent matrix and at least one substantially transparent organic fiber embedded within the matrix. The matrix and the organic fiber may have substantially equivalent refractive indices within a wavelength band of interest. | 04-12-2012 |
20120152099 | SANDWICHED FIBER COMPOSITES FOR BALLISTIC APPLICATIONS - A structure may comprise a first outer layer and a polymer fiber composite layer mounted on one side of the first outer layer. | 06-21-2012 |
20120156418 | FIBERS WITH INTERLOCKING SHAPES - A composite article may comprise a plurality of fibers. Each one of the fibers may have upper, lower and side surfaces. The fibers may be embedded within a matrix. At least one of the upper and lower surfaces of at least one of the fibers may include a notch region and a pair of side regions on opposite sides of the notch region. The plurality of fibers may be arranged in layers. At least one of the fibers of one of the layers may be received within the notch region of at least one of the fibers of another one of the layers. | 06-21-2012 |
20120156421 | OPTIMIZED FIBER SHAPES FOR IMPROVED OPTICAL PERFORMANCE - A composite article has an article surface and may comprise a plurality of fibers at least partially embedded in a matrix. Each fiber may have at least one base surface and a pair of side surfaces. The side surfaces may be oriented in non-perpendicular relation to the base surface. The fibers may be positioned in side-by-side relation to one another such that the side surfaces of each fiber are oriented substantially parallel to the side surfaces of the immediately adjacent fibers. | 06-21-2012 |
20120156422 | SELECTIVELY COUPLED FIBERS IN COMPOSITES - A composite article may include a plurality of fibers embedded within a matrix. The fibers may include a first fiber and a second fiber which may be oriented in substantially parallel relation to one another. The first and second fibers may be connected to one another at one or more connection sites. | 06-21-2012 |
20120156452 | CONTROLLED FIBER-MATRIX ADHESION IN POLYMER FIBER COMPOSITES - A composite article includes a plurality of fibers at least partially embedded within a matrix. The fibers may be adhered to the matrix at a level of adhesion. The adhesion level between the fibers and the matrix may be varied spatially within the composite article. For example, the adhesion level may vary along a length of one of the fibers. The adhesion level may also vary among the fibers of a given layer. Furthermore, the adhesion level may vary between the layers of the composite article. | 06-21-2012 |
20130257186 | Flexible Magnet Directional Stiffening Methods - Magnets and methods of their manufacture are disclosed for use in flywheel assemblies, such that the magnets comprise oriented fibers, such as, for example, axially-oriented fibers in a flexible rotor magnet composition to predictably allow the magnet to expand dimensionally upon rotation only in a predetermined and predictable fashion while maintaining critical contact with a rotor surface. | 10-03-2013 |
20130261001 | NESTED-ROTOR OPEN-CORE FLYWHEEL - Methods and apparatuses are disclosed for incorporating a plurality of independently rotating rotors made from high-strength materials with a high-temperature superconductive (HTS) bearing technology into an open-core flywheel architecture to achieve a desired high energy density in the flywheel energy storage devices and to obtain superior results and performance. | 10-03-2013 |
20130280516 | COMPOSITE ARTICLES HAVING FIBERS WITH LONGITUDINALLY-VARYING GEOMETRY - A composite article may include a matrix and a plurality of fibers embedded in the matrix. Each one of the fibers has a fiber length and a fiber geometry. The fiber geometry of at least a portion of the fibers may vary along the fiber length. | 10-24-2013 |
20130334366 | FORMATION OF A SHAPED FIBER WITH SIMULTANEOUS MATRIX APPLICATION - A coated fiber for a composite article may include a fiber body and a matrix layer. The fiber body may have at least one fiber surface. The matrix layer may at least partially coat the fiber surface and may be applied during formation of the fiber body. | 12-19-2013 |
20130337222 | BICOMPONENT FIBERS CONTAINING NANO-FILAMENTS FOR USE IN OPTICALLY TRANSPARENT COMPOSITES - A macro fiber for a composite article may include a plurality of inner fibers. Each one of the inner fibers may have an inner fiber final cross-sectional size of less than approximately 100 nanometers. The inner fibers may be surrounded by matrix material. | 12-19-2013 |
20130337230 | SELECTIVELY WEAKENED STRETCHED FILMS - A film for a composite article may include a non-weakened portion and a weakened portion. The weakened portion may have at least one property that may be lower than the property of the non-weakened portion. | 12-19-2013 |
20140087172 | METHOD OF MANUFACTURING A COMPOSITE ARTICLE USING FIBERS HAVING OPTIMIZED SHAPES FOR IMPROVED OPTICAL PERFORMANCE - A method of manufacturing a composite article may include providing a plurality of fibers. At least a portion of the plurality of fibers may be substantially optically transparent. The method may further include forming the fibers with at least one base surface and a pair of side surfaces oriented in non-perpendicular relation to the base surface. The method may additionally include positioning the fibers in a layer in side-by-side relation to one another such that the side surfaces overlap one another when viewed along a direction normal to a plane of the layer. The method may also include embedding the fibers at least partially in a substantially optically transparent polymeric matrix. | 03-27-2014 |
20140295726 | COUPLED FIBERS IN COMPOSITE ARTICLES - A composite structure may include a plurality of fibers at least partially embedded within a matrix. The fibers may be connected to one another at a at least one connection site. | 10-02-2014 |