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403results about How to "High stiffness" patented technology

Nano graphene reinforced nanocomposite particles for lithium battery electrodes

A solid nanocomposite particle composition for lithium metal or lithium ion battery electrode applications. The composition comprises: (A) an electrode active material in a form of fine particles, rods, wires, fibers, or tubes with a dimension smaller than 1 μm; (B) nano graphene platelets (NGPs); and (C) a protective matrix material reinforced by the NGPs; wherein the graphene platelets and the electrode active material are dispersed in the matrix material and the NGPs occupy a weight fraction wg of 1% to 90% of the total nanocomposite weight, the electrode active material occupies a weight fraction wa of 1% to 90% of the total nanocomposite weight, and the matrix material occupies a weight fraction wm of at least 2% of the total nanocomposite weight with wg+wa+wm=1. For a lithium ion battery anode application, the matrix material is preferably amorphous carbon, polymeric carbon, or meso-phase carbon. Such a solid nanocomposite composition provides a high anode capacity and good cycling stability. For a cathode application, the resulting lithium metal or lithium ion battery exhibits an exceptionally high cycle life.
Owner:SAMSUNG ELECTRONICS CO LTD

Process for producing nano graphene reinforced composite particles for lithium battery electrodes

A process for producing solid nanocomposite particles for lithium metal or lithium ion battery electrode applications is provided. In one preferred embodiment, the process comprises: (A) Preparing an electrode active material in a form of fine particles, rods, wires, fibers, or tubes with a dimension smaller than 1 μm; (B) Preparing separated or isolated nano graphene platelets with a thickness less than 50 nm; (C) Dispersing the nano graphene platelets and the electrode active material in a precursor fluid medium to form a suspension wherein the fluid medium contains a precursor matrix material dispersed or dissolved therein; and (D) Converting the suspension to the solid nanocomposite particles, wherein the precursor matrix material is converted into a protective matrix material reinforced by the nano graphene platelets and the electrode active material is substantially dispersed in the protective matrix material. For a lithium ion battery anode application, the matrix material is preferably amorphous carbon, polymeric carbon, or meso-phase carbon. Such solid nanocomposite particles provide a high anode capacity and good cycling stability. For a cathode application, the resulting lithium metal or lithium ion battery exhibits an exceptionally high cycle life.
Owner:SAMSUNG ELECTRONICS CO LTD

Vascular insertion sheath with stiffened tip

The present invention provides a method and apparatus for sealing a subcutaneous tissue puncture. The method and apparatus reduce the occurrence of anchor shuttling by stiffening a tip or end portion of an insertion sheath that acts as a one-way valve to a closure device anchor. The stiffening of the tip reduces shuttling by reducing or eliminating the tendency of prior insertion sheath tips from puckering and creating a gap into which the anchor may reenter. The method of stiffening may take on many different mechanisms, several of which are disclosed.
Owner:ST JUDE MEDICAL PUERTO RICO BV

Nano-scaled graphene platelets with a high length-to-width aspect ratio

This invention provides a nano-scaled graphene platelet (NGP) having a thickness no greater than 100 nm and a length-to-width ratio no less than 3 (preferably greater than 10). The NGP with a high length-to-width ratio can be prepared by using a method comprising (a) intercalating a carbon fiber or graphite fiber with an intercalate to form an intercalated fiber; (b) exfoliating the intercalated fiber to obtain an exfoliated fiber comprising graphene sheets or flakes; and (c) separating the graphene sheets or flakes to obtain nano-scaled graphene platelets. The invention also provides a nanocomposite material comprising an NGP with a high length-to-width ratio. Such a nanocomposite can become electrically conductive with a small weight fraction of NGPs. Conductive composites are particularly useful for shielding of sensitive electronic equipment against electromagnetic interference (EMI) or radio frequency interference (RFI), and for electrostatic charge dissipation.
Owner:GLOBAL GRAPHENE GRP INC

Rope for a hoisting device, elevator and use

A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, said composite material comprising non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.
Owner:KONE CORP

Floor panel and methods for manufacturing floor panels

In a method for manufacturing floor panels that have at least a substrate and a top layer provided on the substrate, the top layer including a thermoplastic layer that is translucent or transparent, the method may involve providing the top layer, including the thermoplastic layer, on the substrate. The method may also involve heating at least the thermoplastic layer, and structuring the thermoplastic layer using a mechanical press element.
Owner:FLOORING IND LTD

Hybrid Periodic Cellular Material Structures, Systems, and Methods For Blast and Ballistic Protection

Structures based upon periodic cellular materials that provide a potential for defeating combinations of both air blast loading and ballistic attack either sequentially or simultaneously, or combination of both. The cellular structures may also be configured to meet the stiffness and strength support requirements of particular vehicle or other applications, systems or structures. The armor is therefore potentially able to support normal service loads and defeat blast and ballistic threats when necessary. The structure provides for using efficient load support capabilities of the material (without a high armor protection level) in low threat conditions, as well as the ability to modify the system to increase its level protection to a desired or required level. This would reduce the weight of the protection system in normal (low threat) conditions which reduces vehicle wear and tear, as well as cost savings in fabrication of applicable structures or systems.
Owner:UNIV OF VIRGINIA ALUMNI PATENTS FOUND

Bioabsorbable Polymeric Compositions, Processing Methods, and Medical Devices Therefrom

Novel bioabsorbable polymeric blends are disclosed. The blends have a first component that is a polylactide polymers or a copolymer of lactide and glycolide and a second component that is poly(p-dioxanone) polymer. The novel polymeric blends provide medical devices having dimensional stability. Also disclosed are novel bioabsorbable medical devices made from these novel polymer blends, as well as novel methods of manufacture.
Owner:ETHICON INC

Intrusion resistant glass laminates

Composite laminate interlayers for adhering a glass laminate comprising a sheet of polyethylene terephthalate (PET) between layers of plasticized polyvinyl butyral (PVB) adhesive layers, wherein at least one of the PVB adhesive layers is stiffened, e.g. by reduction in the amount of plasticizer, and has a glass transition temperature greater than 35° C. The PET is preferably 0.075 to 0.25 mm (3-10 mils) thick and can have a functional coating for reducing radiation, e.g. UV or IR or visible light, transmission through the glass laminate. The laminate can also comprise at least one elastomeric layer adapted to reducing sound transmission through the glass laminate. The laminates exhibit enhanced maximum flexural modulus of greater than about 350 Newtons / centimeter.
Owner:SOLUTIA INC

Lithographic type microelectronic spring structures with improved contours

Improved lithographic type microelectronic spring structures and methods are disclosed, for providing improved tip height over a substrate, an improved elastic range, increased strength and reliability, and increased spring rates. The improved structures are suitable for being formed from a single integrated layer (or series of layers) deposited over a molded sacrificial substrate, thus avoiding multiple stepped lithographic layers and reducing manufacturing costs. In particular, lithographic structures that are contoured in the z-direction are disclosed, for achieving the foregoing improvements. For example, structures having a U-shaped cross-section, a V-shaped cross-section, and / or one or more ribs running along a length of the spring are disclosed. The present invention additionally provides a lithographic type spring contact that is corrugated to increase its effective length and elastic range and to reduce its footprint over a substrate, and springs which are contoured in plan view. The present invention further provides combination (both series and parallel) electrical contacts tips for lithographic type microelectronic spring structures. The microelectronic spring structures according to the present invention are particularly useful for making very fine pitch arrays of electrical connectors for use with integrated circuits and other substrate-mounted electronic devices, because their performance characteristics are enhanced, while at the same time, they may be manufactured at greatly reduced costs compared to other lithographic type microelectronic spring structures.
Owner:FORMFACTOR INC

Thermoplastic olefin compositions, processes and articles

A thermoplastic olefin (TPO) composition comprises (1) a major amount by weight of (a) a substantially linear homopolymer or copolymer of a C2-C10 α-olefin in major proportion to (b) a long chain branched a linear homopolymer or copolymer of a C2-C10 α-olefin, (2) a minor amount by weight of a cross linkable elastomer, and (3) at least one thermally decomposing free radical generating agent present in an amount sufficient to promote an increase in melt strength of the composition over that of the melt strength of the linear homopolymer or copolymer of a C2-C10 α-olefin alone and insufficient to substantially degrade the α-olefinic polymers. The TPO composition is prepared by melt blending the components at a temperature sufficient to melt said homopolymers or copolymers of a C2-C10 α-olefin and thermally decompose said agent. Articles are thermoformed from the thermoplastic olefin.
Owner:EXOUSIA IP LLC

Profile corrected label with RFID transponder and method for making same

The present invention sets out a label containing an RFID transponder having a uniform printable surface. The present invention presents a face sheet having an increased rigidity and / or thickness which does not readily conform to the profile of an RFID transponder contained beneath the face sheet. This results in a label having a more readily printable surface, and also presents a label having higher security as a result of the masking of the profile of the contained RFID responder.
Owner:INTERMEC IP

High-polymer modified pitch, its water-proof roll material and use thereof

The invention provides a polymer modified asphalt, and the weight of the components comprising as follows :45-55% matrix asphalt, 4 - 8% blend oil, 12 - 14% of SBS ,5-9 % APAO, 2-7% of High-temperature improvement and 15-20% filler. It also offers polymer modified asphalt, which made of waterproof membrane and the railway bridge, highway bridge deck waterproofing project applications. The invention of these waterproofing membrane have a high standard of waterproof function, it can withstand high intensity of railway bridge and particularly high stress dynamic load .It also have excellent performance on water-resistance, high and low temperature resistance, adhesion, crack resistance, fatigue resistance and other aspects .it can be used for railway bridge and the road deck waterproofing works.
Owner:JINZHOU DONGFANG YUHONG BUILDING MATERIALS +1

Ion extraction assembly

An ion electrode extraction assembly comprising an ion source 20 and at least one electrode 50 having a gap through which a beam of extracted ions passes in use. An electrode manipulator assembly 55 is provided to move the electrode so as to vary the width of the gap transversely to the ion beam, move the electrode transversely to the ion beam, and move the electrode in the direction of the ion beam. The three degrees of movement being carried out independently of one another.
Owner:APPLIED MATERIALS INC

Combustion chamber wall construction for high power engines and thrust nozzles

A wall construction for a combustion chamber or thrust nozzle of a high power engine of a flying body includes an inner wall body that is subjected to the hot gases within the combustion chamber, and an outer jacket that surrounds the inner wall body and carries the mechanical loads. The inner wall body has a plurality of cooling channels through which a cooling medium may flow. The outer jacket is made of a long-fiber C / SiC composite material, while the inner wall member is made of a short fiber C / SiC composite material. The reduced thermal expansion coefficient of this ceramic composite material in comparison to metal alloys leads to a reduced straining and reduced deformation of the wall construction and therewith an increased operating life.
Owner:DAIMLER AG

Process for producing olefin polymers, olefin-polymerizing catalyst and polyproylene for biaxially oriented film produced with said catalyst

A process for producing an olefin polymer using a catalyst in which (A) is a solid catalyst component which includes magnesium, titanium, halogen and an electron donative compound as essential constituents; (B) is an organoaluminum component; and (C) is at least two electron donative compounds (alpha) and (beta), wherein the pentad stereoregularity of a xylene insoluble fraction of a homopolyproylene is 0<mmrr / mmmm<=0.0068 when electron donative compound (alpha) is used in combination with (A) and (B), and the pentad stereoregularity of a xylene insoluble fraction homoproplyene of a is 0.0068<mmrr / mmmm <=0.0320 when electron donative compound (beta) is used in combination with (A) and (B). A polypropylene produced in the process can be used to obtain a biaxially oriented film. (A) and (B). A polypropylene produced in the process can be used to obtain a biaxially oriented film.
Owner:SUMITOMO CHEM CO LTD

Method of amplifying optical signals using doped materials with extremely broad bandwidths

In a method of amplifying optical input signals over a wide bandwidth, the optical input signals are applied to an optical waveguide made from a rare-earth-doped amorphous material (e.g., erbium-doped yttrium aluminum oxide material). The optical input signals include optical signals having wavelengths over a range of at least 80 nanometers, and, preferably, over a range of at least 160 nanometers. Pump light is applied to the optical waveguide to cause the waveguide to provide optical gain to the optical input signals. The optical gain causes the optical signals to be amplified within the waveguide to provide amplified optical signals over the extended 80-160-nanometer range, including, in particular, optical signals having wavelengths at one end of the range and optical signals having wavelengths at a second end or the range.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Methods for manufacturing floor panels

In a method for manufacturing floor panels that have at least a substrate and a top layer provided on the substrate, the top layer including a thermoplastic layer that is translucent or transparent, the method may involve providing the top layer, including the thermoplastic layer, on the substrate. The method may also involve heating at least the thermoplastic layer, and structuring the thermoplastic layer using a mechanical press element.
Owner:UNILIN BV

Balloon catheter having a shaft with a variable stiffness inner tubular member

A catheter having an elongated shaft and a balloon on a distal shaft section, the elongated shaft comprising an outer tubular member, and an inner tubular member which has a bonded portion along which an outer surface of the inner tubular member is bonded to an inner surface of the outer tubular member. The inner tubular member has a proximal portion proximal to the bonded portion, and a distal portion distal to the bonded portion with higher axial compression stiffness and column strength than the proximal portion thereof. The catheter has improved traceability, axial collapse resistance, pushability, and crossability, for improved ability to position the balloon at a desired location in a patient's body lumen.
Owner:ABBOTT CARDIOVASCULAR

Method of amplifying optical signals using erbium-doped materials with extremely broad bandwidths

In a method of amplifying optical input signals over a wide bandwidth, the optical input signals are applied to an optical waveguide made from a rare-earth-doped amorphous yttrium aluminum oxide material (e.g., erbium-doped yttrium aluminum oxide material). The optical input signals include optical signals having wavelengths shorter than 1,520 nanometers and optical signals having wavelengths longer than 1,610 nanometers. Preferably, the wavelengths range from as short as approximately 1,480 nanometers to as long as approximately 1,650 nanometers. Pump light is applied to the optical waveguide to cause the waveguide to provide optical gain to the optical input signals. The optical gain causes the optical signals to be amplified within the waveguide to provide amplified optical signals over the extended range from approximately 1,480 nanometers to approximately 1,650 nanometers, including, in particular, optical signals having wavelengths shorter than 1,520 nanometers and optical signals having wavelengths longer than 1,610 nanometers. Alternatively, the wavelengths of the optical input signals may be in the range from approximately 1,480 nanometers to approximately 1,565 nanometers. As a further alternative, the wavelengths of the optical input signals may be in the range from approximately 1,565 nanometers to approximately 1,650 nanometers.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Carbon-fibre-reinforced SMC for multi-axially reinforced components

The invention relates to an SMC (sheet moulding compound) for producing fibre-reinforced duroplastic components. Said SMC consists of a resin matrix (2) which is fibre-reinforced with unidirectional fibres (UD-fibres) (7) that are arranged in axial alignment and preferably with additional cut fibres (random fibres) (4) that are arranged in a non-aligned manner in the resin matrix. According to the invention, in order to achieve extremely high rigidity in a multi-axial direction with a low surface weight, several layers of SMC are arranged in the component, each layer containing UD-fibres (7) with a different alignment from one another.
Owner:MENZOLIT FIBRON

Cycling footwear structure with a composite sole and a method to realise such structure

Cycling footwear structure including a composite sole formed by at least one base sole and by at least one substantially annular shaped stiffening element, equipped with a front part, and with a back part and that extends progressively upwards until it wraps around at least one portion of the heel of a user and a method for making it.
Owner:SELLE ROYAL SPA

Composite coiled tubing end connector

Connectors for attaching a composite pipe to a service member are described herein. In one embodiment, a connector can include a service end, a slip nut, a slip, a seal carrier, and an energy conductor. The slip nut can be disposed about the outer surface of the pipe and can be engaged by the service end. The slip can be positioned about the outer surface of the pipe and can be engaged by the service end and the slip nut to compress the slip into gripping contact with the pipe. The seal carrier can be positioned in a bore of the pipe at a location radially opposite the slip to resist deformation of the pipe when the slip is compressed into gripping contact with the pipe. The energy conductor can be embedded within and surrounded by a material of the service end for connection with an energy conductor within the composite pipe.
Owner:FIBERSPAR

Fabrication of cellulose polymer composites and their application as solid electrolytes

A solid polymer electrolyte composition is made by hydrolyzing cellulose in a dissolution media to form a first mixture; then combining said first mixture with an antisolvent to form a precipitate; and then (in any order) separating said precipitate from excess antisolvent and excess dissolution media; optionally adjusting or neutralizing the pH of said precipitate; optionally washing said precipitate with water; combining said precipitate with an electrolyte salt and a hydrophilic polymer to form a wet polymer electrolyte composition; and then drying said wet polymer electrolyte composition to produce a solid polymer electrolyte composition. Solid polymer electrolyte compositions produced by the process, along with films formed therefrom and devices containing the same, are also described.
Owner:MASDAR INST OF SCI & TECH

Solar receiver

A lightweight reflector with a load bearing structure based on a tensile spoke-wheel. The spoke structure is especially compatible with dish parabolic mirrors, but has utility as a carrier structure for any round functional surface, including flat or slightly-curved mirrors used in central tower solar systems, parabolic dishes for radio telescopes and antennas, and for non-concentrating thin film solar panels. There are no radial members loaded in compression. All the spokes pull the rim inwards, and the rim is compressed in the circumferential direction. The imbalance in spoke tension results from the application of load provides the rigidity of the rim in respect to the hub, both for in-plane and out-of-plane forces. Ribs stiffen the spokes to resist wind and gravity, but are not structurally supported by either the hub or the rim. Lightweight reflector tiles match the wheel structure and create the reflective surface.
Owner:SHELEF BEN +1
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