150results about How to "Improve resistance" patented technology

A nano particle reinforced polymer element of a stator and rotor assembly for a power section of a positive displacement fluid motor or a progressive cavity pump. Nano-sized particles are blended with an uncured polymer to improve the physical and chemical properties of the polymer. The use of nano-sized particles reduces the quantity of reinforcement material required to manufacture the polymer for the stator and rotor assembly and lowers the viscosity of the uncured polymer to improve manufacturing characteristics. The use of chemically functionalized nano particles improves the chemical and physical characteristics of the polymer.

Described are pigmented inks comprising a liquid medium, a pigment, and a polyurethane dispersant, the pigment being stabilized by the polyurethane dispersant, and the ink being suitable for use in an ink jet printer.

A hermetic implantable medical device (IMD) is provided with a single or multi-pin arrangement including selected glass to metal seals for a feedthrough including a ceramic disk member coupled to the sealing glass surface in potential contact with body fluids. By judicious selection of component materials (ferrule, seal insulator and pin) provides for either compression or match seals for electrical feedthroughs (having a single or multi-pin array) provide corrosion resistance and biocompatibility required in IMDs. The resultant feedthrough configuration accommodates one pin within a single ferrule or at least two pins in a single ferrule having a pin surrounded by insulator material (e.g., alumina ceramic, zirconia ceramic, zirconia silicate ceramic, mullite, each having higher melting points than the sealing glass distributed around the pin within the ferrule, or feldspar porcelain materials or alumino-silicate glasses having a lower melting point than the sealing glass) distributed around the pin within the ferrule.

The present invention is premised upon an improved photovoltaic cell assembly that include at least plurality of photovoltaic cells with a photoactive portion with a top surface, a top collection structure on the top surface and an opposing conductive substrate layer on a side of the photoactive portion opposite the top surface. Also including a first conductive element with a first surface and wherein the first conductive element is bent at least once and wherein the first surface is in contact with the top collection structure and / or the top surface of a first photovoltaic cell and the opposing conductive substrate layer of an adjacent second photovoltaic cell; further wherein at least a portion of the first surface is held in contact to the cells by an adhesive.

The present invention is directed to a stripping-resistant asphalt paving composition that contains asphalt, aggregate, polyphosphoric acid, and an alkaline anti-stripping additive.

The reverse barb system for screws and nails includes fasteners that are barbed to prevent backing out once driven into a workpiece or construction material, such as wood. A screw with barbed threads has several barbed thread sections. Each barbed thread section is a section of thread having a leading edge and a trailing edge, the trailing edge defining a barb to increase the screw's resistance to backing out once driven into place. A nail with a barbed point is a nail having one or more barbs formed in the nail's point. Each barb is defined by a leading edge and a trailing edge. The barb's trailing edge forms an acute angle with the longitudinal axis of the nail. The barbs extend from the nail shank to prevent the nail from backing out.

A process for producing a conjugated diene polymer composition, which comprises of polymerizing a conjugated diene compound or a conjugated diene compound and an aromatic vinyl compound in a hydrocarbon solvent in the presence of at least one compound selected from the group consisting of organoalkali metals and organoalkaline earth metals as an initiator and then reacting the active end of the resulting polymer with a low molecular compound represented by the following formula (1) or the following formula (2):(wherein in the formula (1), R1 represents an organic group containing an N atom not adjacent to the N atom of the aminosilyl group and having a molecular weight not greater than 1000, R2 represents a C1-10 hydrocarbon group or a C1-10 hydrocarbon group having no active hydrogen and substituted with an Si, O, N or S atom, R3 and R4 each independently represents a C1-20 alkyl group or aryl group, R5, R6, and R7 each represents a C1-20 alkyl group or aryl group or a C1-12 alkoxy group and g stands for an integer from 1 to 3, andin the formula (2), R8 and R9 each represents a C1-10 hydrocarbon group, a C1-10 hydrocarbon group having no active hydrogen and substituted with an Si, O, N or S atom, or an organic group containing an N atom not adjacent to the N atom of an aminosilyl group and having a molecular weight not greater than 1000, and R3, R4, R5, R6, R7 and g have the same meanings as defined in the formula (1)).

Printable, coated plastic substrates are disclosed. Plastic substrates are preferably films substrates, which are coated with a printable coating composition layer which comprises: an anionic acrylic polymer; and epoxy acrylate in an amount sufficient to improve ink adhesion in said coating composition. The anionic acrylic polymer can be cross-linked to an extent sufficient to improve the resistance of said coating to isopropyl alcohol and / or hot water, using a cross-linking agent.

An electrical conductive member includes: an electrical conductive structure including: a substrate (31, 152, 252, 352, 452); an electrical conductive carbon layer (33, 155, 254, 354, 454) provided on at least one surface of the substrate and containing electrical conductive carbon; and a middle layer (32, 154, 256, 356, 456) interposed between the substrate and the electrical conductive carbon layer. An intensity ratio R (ID / IG) of a D-band peak intensity (ID) to a G-band peak intensity (IG) measured by a Raman scattering spectroscopic analysis in the electrical conductive carbon layer is 1.3 or more.

A mold body included in a mold of the invention has a pressing face. A surface treated layer including a compound represented by a general formula, CF.sub.3(CZ).sub.nSiX.sub.aY.sub.3-a, wherein n is an integer of 8 or more; a is 1, 2 or 3; Z are the same or different and selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or non-substituted saturated or unsaturated alkyl group and a substituted or non-substituted aromatic group; X is a halogen atom; and Y is a hydrogen atom or a saturated alkyl group, is formed at least on the pressing face of the mold body.

In a transmission apparatus which multicarrier-modulates and transmits symbols, which are basic units of digital signals, a subcarrier in which a symbol is arranged in a first multicarrier symbol having a first guard interval and a subcarrier in which a symbol is arranged in a second multicarrier symbol having a second guard interval longer than the first guard interval are scattered among a plurality of subcarriers constituting a multicarrier at the same time. Therefore, it is possible to improve the resistance to inter-symbol interference without substantially degrading transmission efficiency.

A light fixture for use in low voltage outdoor lighting systems that comprises a lens assembly with a reflector, lens and lens support and a socket assembly with a lamp, socket and socket housing, which are mounted on a post. Connection of the lens assembly and socket assembly is provided by the combination of a taper fit and multiple O-rings which provide a frictional fit that is sealed against dirt and moisture intrusion, avoiding metal-to-metal contact. Attachment of the lens assembly to the socket assembly is achieved by pressing the two parts together in an axial direction. Disassembly is achieved by twisting to overcome the friction generated by the O-rings and pulling the two assemblies apart. A locking screw may be used to prevent accidental separation of the lens assembly and socket assembly. The post can be attached to a ground spike for installation.

An imaging device as a semiconductor device includes a semiconductor substrate on which an imaging element is mounted, a light-transmitting lid section (covering section) arranged to face a light receiving section provided on one surface of the imaging element, and an adhesive layer arranged in an area excluding the light receiving section on the one surface of the imaging element for bonding between the semiconductor substrate and the lid section. The adhesive layer ranges from 10 g / (m2·24 h) to 200 g / (m2·24 h) in the water vapor permeability.

There is provided a spark plug wherein an insulator and a metallic shell, when observed in a section made by a plane including an axis of a spark plug, have therebetween a gap of less than 0.45 mm at a more front end side than an engagement position of a packing and a first insulator stepped portion, and the gap is provided axially from a most front end side engagement position of the packing and a first insulator stepped portion as a starting point to a finishing point that is apart from the starting point by 1.2 mm or more toward the front end side while being apart from a front end surface of the metallic shell by 7.9 mm or more toward a rear end side.

Quality of printing is easily improved without applying surface finishing after printing. A printer that prints an image based on image data, on a print medium, using a plurality of color inks. The printer comprises a colorless clear ink printing means which prints the print medium using a colorless clear ink, a print setting receiving means which receives settings relating to printing, and an area determination means which determines an area in which the colorless clear ink is used, based on at least either said image data or said settings relating to printing.

The invention discloses a remote-sensing wild automatic monitoring system and method for shallow lakes. The system comprises a supporting platform, a power supplying system, a data acquisition system, a data transmission system and a data center, wherein the supporting platform comprises a platform supported by a plurality of piles and an instrument room established on the platform; the power supplying system is used for supplying power to the data acquisition system and the data transmission system; the data acquisition system comprises a weather sensor, a hydrological sensor, a water quality sensor, a water surface imaging spectrum acquisition system, an underwater optical field simultaneous monitoring system and a camera; the data transmission system is connected with the data acquisition system and is used for transmitting various types of lake water color remote sensing information acquired by the data acquisition system to the data center. The system and the method disclosed by the invention are suitable for carrying out remote-sensing wild monitoring and researches of lake water color and algae bloom in regions in which the sites of algae bloom in an eutrophicated lake are relatively fixed and frequency of algae bloom is high.

The present invention is an eye preparation comprising a hydrophobic composition adapted for use on a patient's eye and having a viscosity of 1 to 15,000 centistokes. The composition includes a silicone polymer, fluorinated silicone polymer, fluorocarbon polymer, fluorinated alcohol, or perfluorinated polyether composition, singly or blended, adapted to coat at least a portion of a patient's eye. Silicone polymers for use in the invention include dimethicone, cyclomethicone, and silicone gums.

A wear resistant multilayer overlay includes a first layer on at least a surface of an article, and a second layer metallurgically bonded to at least a portion of the first layer. The first layer includes a first continuous metallic matrix and at least one of first hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts embedded in the first continuous metallic matrix, wherein the first hard particles are at least one of transition metal carbide particles and boron nitride particles. The second layer includes a second continuous metallic matrix and at least one of second hard particles, blocky diamond particles, non-blocky diamond particles, TSP diamond, cubic boron nitride particles, and PCD compacts, embedded in the second continuous metallic matrix, wherein the second hard particles are at least one of transition metal carbide particles and boron nitride particles. Related methods and articles of manufacture also are disclosed.

The invention relates to an assembly of two brazing sheets the first one of which consists of a 3xxx alloy clad on one surface with a 1xxx alloy, the second one of which consists of an AA3xxx alloy clad on both surfaces thereof with a 4xxx alloy, which are assembled together by brazing so as to form a disrupted channel for the flow of exhaust gases, in particular for an engine vehicle.

A barrier device comprises a top wall, a bottom wall, opposed end walls and opposed side walls interconnected to form a hollow interior in which a pair of spaced openings are formed which extend between the side walls. An external reinforcement structure is provided to enhance the structural integrity of the barrier device, including first and second beams each located along one of the side walls which are connected to one another by a mounting device extending through the openings in the hollow interior, or, alternatively, are mounted within a seat formed in each side wall between the opposed ends of the barrier device. The beams of one barrier device are connected end-to-end with the beams of adjacent barrier devices to form an essentially continuous wall of barriers which resist disengagement from one another and exhibit improved resistance to being broken apart upon impact by a vehicle.

The invention relates to flow batteries having improved crossover resistance to electroactive species, excellent coulombic and voltage efficiency and durability, which batteries comprise a separator membrane comprising an ionomer having a high equivalent weight, EW, to achieve these performance benefits. The ionomer has an EW of 1150 to 2000. Preferably, the ionomer is a perfluorosulfonic acid ionomer which has substantially all of the functional groups being represented by the formula —SO3X wherein X is H, Li, Na, K or N(R1)(R2)(R3)(R4) and R1, R2, R3, and R4 are the same or different and are H, CH3 or C2H5. Preferably, substantially all of the functional groups are represented by the formula —SO3X wherein X is H.

The invention discloses a broad-spectrum vibrio subunit vaccine for preventing fish pathogenic vibrio infection and a preparation method, belonging to the technical field of biology. The fusion protein OmpK-FlaA of an outer membrane protein OmpK with a conserved structure and a flagellin protein FlaA on the vibrio parahaemolyticus surface serves as an antigen component of the vaccine. The method is characterized by comprising the following steps of: superposing and extending Ppolymerase chain reaction (PCR) to the ompK and flaA genes of the vibrio parahaemolyticus to obtain a fusion protein gene flaA-ompK; constructing flaA-ompK-pET-28a recombinant plasmids; and obtaining the fusion FlaA-OmpK with high purity through exogenous induction expression and purification. The vaccine prepared bythe invention is safe and nontoxic and has no side effects; injection immune can be adopted; and the immune can also be realized by taking enteric microsphere vaccine orally; cross immunity protection can be acted to fish pathogenic vibrio (vibrio parahaemolyticus, vibrio alginolyticus, vibro harveyi, vibrio anguillarum and vibrio vulnificus).

Depth of a termination p base region provided in a termination portion of an active region close to an edge termination structure portion is more than depth of a p-type base region provided inside the termination p base region. An n-type high-concentration region is provided from one main surface of the semiconductor substrate in the entire surface layer of one surface of a semiconductor substrate within a depth of 20 μm or less below the bottom of the termination p base region. Ratio of the impurity concentration n1 of the n-type high-concentration region (1c) to the impurity concentration n2 of an n− drift region satisfies 1.0<n1 / n2≦5.0. Reverse leakage current when operation temperature of an element is high can be reduced and trade-off between on-state voltage and switching loss can be improved. Rising peak voltage of collector voltage when a semiconductor device is off is reduced.

Double layer forming fabrics, woven to an overall repeating weave pattern requiring at least 8 sheds in the loom, provide a low drainage area in a notional center plane between the paper and machine side layers, to resist and retard initial impingement drainage. Transverse binder yarn pairs follow a single combined path interweaving with paper side layer and machine side layer yarns, with long internal floats under at least four paper side layer yarns between exchange points and interlacing points in the machine side layer. The members of the pairs are laterally displaced in relation to each other along the single combined path. The fabric has a total warp fill after heatsetting of at least 100%. The drainage areas of the paper side layer and the machine side layers are between 25% and 50%, and the center plane drainage area is between 8% and 20%.

A thermal-responsive liquid crystal display having a polymer dispersed liquid crystal layer formed to have excellent response speed, good display characteristics, uniform thickness distribution, high thickness, high contrast and excellent resistance to thermal cycle. A polymer dispersed liquid crystal layer formed of a composition of a polymer and a liquid crystal is provided on a heating unit. The polymer is a thermoplastic resin, and the glass transition temperature (Tg) of the resin and the phase transition temperature (TNI) of the liquid crystal satisfy the condition of -20<=(Tg-TNI)<=20 (° C.). The polymer dispersed liquid crystal layer is formed by laminating a plurality of polymer dispersed liquid crystal films.

The present invention provides a tetracarboxylic acid diester compound shown by the following general formula (1),wherein X1 represents a tetravalent organic group; and R1 represents a group shown by the following general formula (2),wherein the dotted line represents a bond; Y1 represents an organic group with a valency of k+1; “k” represents 1 or 2; and “n” represents 0 or 1. There can be provided a tetracarboxylic acid diester compound that can give a polyimide precursor polymer soluble in a safe organic solvent widely used as a solvent of a composition and usable as a base resin of a photosensitive resin composition.

A fuel hose which has excellent permeation resistance to gasoline, sour gasoline resistance, amine resistance and low temperature properties, and has excellent electrical conductivity. The fuel hose has a laminate structure comprising an innermost layer made of the rubber blend (A) of an acrylic rubber and an acrylonitrile-butadiene rubber wherein acrylonitrile is present in a proportion of 15 wt % to 30 wt %, or an acrylic rubber (B) having a skeleton derived from acrylonitrile in its molecular skeleton, and a fluororesin layer formed on a peripheral surface of the innermost layer.