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Skin substitute and wound dressing with variable pore sizes

An improved skin substitute is presented comprised of a silicone layer backed up with a woven nylon fabric layer, the silicone layer possessing a regular pattern of slits that permit the porosity of the skin substitute to be adjusted by clinicians by means of applying tension to the skin substitute that differentially opens the slits. A variety of therapeutic substances can be applied to the skin substitute to promote healing, including aloe and other medicinal preparations.




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Composite, electrode catalyst including the composite, method of preparing the composite, and fuel cell including the composite

A composite including a metal having oxygen-reducing activity, nitrogen and carbon, the composite comprising polyhedral particles, an electrode catalyst including the composite, a method of preparing the composite, and a fuel cell using the composite.




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Catalyst composition, its preparation and use

A catalyst composition which comprises: a) a carrier which comprises at least 30 wt % of a binder selected from silica, zirconia and titania; at least 20 wt % of a pentasil zeolite, having a bulk silica to alumina ratio in the range of from 20 to 150 and being in its H+ form; and less than 10 wt % of other components, all percentages being on the basis of total carrier; b) platinum in an amount in the range of from 0.001 to 0.1 wt %, on the basis of total catalyst; and c) tin in an amount in the range of from 0.01 to 0.5 wt %, on the basis of total catalyst; its preparation and use; are provided.




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Component having a catalytic surface, method for the production thereof, and use of said component

A component part has a catalyst surface. This surface has metallic components and components of MnO2 (13) in contact with the former. The metallic components are preferably formed of Ag and/or Ni. These material pairs achieve a great improvement in catalyst action compared to the pure metals. Especially in the case of use of Ni, which is toxicologically safe, these surfaces, for example, may also find use in ambient air purification for reduction of the ozone content. The surface can be applied, for example, by a coating of the component part, in which case the metallic component and the component of MnO2 are applied in two layers.




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Composite of porous substrate and one-dimensional nanomaterial and method for preparing the same, surface-modified composite and method for preparing the same

The present invention relates to a composite of a porous substrate and one-dimensional nanomaterial, which is manufactured by a hydrothermal method. The method for manufacturing the composite of the present invention is simple and low-cost, and the one-dimensional nanomaterial is homogeneously distributed on the porous substrate with tight binding at the interface. The present invention also relates to a surface-modified composite and a method for preparing the same. The composite of the present invention which is hydrophobically modified at the surface can adsorb organic solvents such as toluene, dichlorobenzene, petroleum ether and the like, and greases such as gasoline, lubricating oil, motor oil, crude oil and the like, with a weight adsorption ratio of >10.




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Catalyst compositions for conversion of vegetable oils to hydrocarbon products in the diesel boiling range and process of preparation thereof

The present invention relates to a catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range, comprising a porous support; Group III A or VA element in the range of 1-10 wt %; Group VI B elements in the range of 1 to 20 wt %; Group VIII B elements in range of 0.01 to 10 wt %. The present invention further provides the process for preparing the catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range. The present invention also provides the process for conversion of vegetable oils to hydrocarbon products in the diesel boiling range using the catalyst composition or discarded refinery spent hydro-treating catalyst.




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Filter material comprising porous organic polymers

The invention relates to a unit which comprises a multitude of particles based on porous organic polymers, wherein the organic polymers are obtainable by poly(acetylcyclotrimerization) of polyacetyl-functionalized or polyacetylated aromatics and/or polyacetyl-functionalized or polyacetylated polycycles, and to the different uses or possible applications of this unit.




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Polyurethanes made with copper catalysts

Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site.




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Process for producing composite oxide catalyst

A process for producing a composite oxide catalyst which includes a step of preparing an aqueous slurry containing at least iron and antimony and composed of a liquid phase and a solid phase, a step of drying the aqueous slurry to obtain a dried material, and a step of calcining the obtained dried material, wherein of the precipitated particles having a particle size of not less than 1 μm but less than 150 μm contained within the aqueous slurry, the proportion of precipitated particles having a particle size of not less than 1 μm but less than 10 μm is within a range from 40 to 90% by volume, and the proportion of precipitated particles having a particle size of not less than 10 μm but less than 150 μm is within a range from 10 to 60% by volume.




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Ring-opening polymerization of cyclic compounds catalyzed by carbene derivatives

This disclosure provides methods of controlled polymerization of cyclic compounds catalyzed by carbene derivatives having a general formula as shown below, and to obtain a biodegradable polymeric material having a large molecular weight, a narrow dispersity, and no metallic impurity.




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Materials incorporating antimicrobial polymers

The present disclosure describes the manufacture and use of soft surfaces such as fabrics bearing surface-grafted antimicrobial polymers.




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Cyclodextrin-based polymers for therapeutics delivery

The present invention relates to novel compositions of therapeutic cyclodextrin containing polymeric compounds designed as a carrier for small molecule therapeutics delivery and pharmaceutical compositions thereof. These cyclodextrin-containing polymers improve drug stability and solubility, and reduce toxicity of the small molecule therapeutic when used in vivo. Furthermore, by selecting from a variety of linker groups and targeting ligands the polymers present methods for controlled delivery of the therapeutic agents. The invention also relates to methods of treating subjects with the therapeutic compositions described herein. The invention further relates to methods for conducting pharmaceutical business comprising manufacturing, licensing, or distributing kits containing or relating to the polymeric compounds described herein.




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Cyclodextrin-based polymers for therapeutics delivery

The present invention relates to novel compositions of therapeutic cyclodextrin containing polymeric compounds designed as a carrier for small molecule therapeutics delivery and pharmaceutical compositions thereof. These cyclodextrin-containing polymers improve drug stability and solubility, and reduce toxicity of the small molecule therapeutic when used in vivo. Furthermore, by selecting from a variety of linker groups and targeting ligands the polymers present methods for controlled delivery of the therapeutic agents. The invention also relates to methods of treating subjects with the therapeutic compositions described herein. The invention further relates to methods for conducting pharmaceutical business comprising manufacturing, licensing, or distributing kits containing or relating to the polymeric compounds described herein.




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Photosensitizer based on polymer derivatives-photosensitizer conjugates for photodynamic therapy

Disclosed is a novel photosensitizer based on polymer derivatives-photosensitizer conjugates for photodynamic therapy capable of being selectively accumulated in cancerous tissues and producing singlet oxygen or free radical by laser irradiation. The polymer derivatives-photosensitizer conjugates for photodynamic therapy are prepared as nano-sized particles, and have excellent selection and accumulation ratio for cancerous tissues. The photosensitizer conjugates can produce singlet oxygen or free radical by a specific laser wavelength. Owing to the excellent selection and accumulation ratio for cancerous tissues, the conjugates minimizes photo-cytotoxicity of the conventional photosensitizer having a low molecular amount. Accordingly, the conjugates are very useful as a photosensitizes for photodynamic therapy with reduced side effects and excellent therapeutic effectiveness.




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Formaldehyde-free protein-containing binder compositions

One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions.




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Bio-based roofing adhesive compositions

An adhesive composition for use in adhering insulation panels to roofing substrates and roofing membranes to the insulation panels include two components that are mixed prior to application on the roofing substrate. The first component may include a renewable polyol and catalyst. The renewable polyol is selected from any non-petroleum based polyol that is derived from a renewable source. The second component includes isocyanate, and may also include a polyol and a catalyst. The isocyanate and the polyol may each be any non-petroleum based isocyanate or polyol that is derived from a renewable source.




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Hyaluronic acid based copolymers

Hyaluronic acid (HA) conjugates or crosslinked HAs compositions for coating an implantable device are provided. The implantable device can be used for treating a disorder such as atherosclerosis, thrombosis, restenosis, high cholesterol, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, and combinations thereof.




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Lignin-derived thermoplastic co-polymers and methods of preparation

The present invention relates to a crosslinked lignin comprising a lignin structure having methylene or ethylene linking groups therein crosslinking between phenyl ring carbon atoms, wherein said crosslinked lignin is crosslinked to an extent that it has a number-average molecular weight of at least 10,000 g/mol, is melt-processible, and has either a glass transition temperature of at least 100° C., or is substantially soluble in a polar organic solvent or aqueous alkaline solution. Thermoplastic copolymers containing the crosslinked lignin are also described. Methods for producing the crosslinked lignin and thermoplastic copolymers are also described.




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Cardanol derivatives in polyester toner resins

The present disclosure provides a polyester toner resin comprising a polyhydroxylated cardanol derivative, that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices.




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Thymol derivatives in polyester polymer toner resin

The present disclosure provides a polyester toner resin comprising a polyhydroxylated thymol derivative that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices.




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Bi-functional co-polymer use for opthalmic and other topical and local applications

The invention contemplates a copolymer which is a graft or block copolymer useful to change wettability and surface characteristics of biological surfaces. Methods for use of these formulations and coatings to change wettability and sterically stabilize, and lubricate biological surfaces in a subject, for example, in the treatment of dry eye syndrome, and to prevent adherence of unwanted proteins, for example in the treatment of contact lens intolerance, are provided.




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Formaldehyde-free protein-containing binder compositions

A wood-containing composite are described that may include a lignocellulosic material, and a formaldehyde-free binder in contact with at least a portion of the lignocellulose material. The binder is formed from a binder composition that includes a soy flour, a polymer, and a crosslinking agent, at least a portion of each of which are covalently crosslinked to each other in the binder. Also described are methods of making wood-containing composites by providing a pre-mixed, one-part binder composition of at least 60 wt. % soy flour, a polymer, and a crosslinking agent. The binder composition is applied to lignocellulosic material, and the combination may be heated at a temperature of about 100° C. or more to cure the binder composition into a binder. The cured binder has the soy protein, polymer, and crosslinking agent covalently bonded to each other.




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Synthesis of abietic acid-based macromer for polyester resin process

An improved polycondensation method for bio-based polyesters synthesized from pre-formed macromers and the corresponding compositions, which are useful for producing binder polymers for imaging applications such as emulsion-aggregation (EA) toner.




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Use of oils with high concentrations of polyunsaturated fatty acids in plastics and surface coatings

Oil compositions having a high concentration of polyunsaturated fatty acids are described for use in various applications including use as drying oils, in ink compositions and coating compositions. Oil compositions wherein the double bonds of the fatty acids are substantially epoxidized are described and used as plasticizers and thermal stabilizers for various halogenated polymer compositions.




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Two-component lignosulfonate adhesives and methods for their preparation

Disclosed are two-component lignosulfonate adhesives, methods of synthesizing two-component lignosulfonate adhesives, kits comprising two-component lignosulfonate adhesives and methods of using two-component lignosulfonate adhesives.




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Method for synthesizing calixarene and/or cyclodextrin copolymers, terpolymers and tetrapolymers, and uses thereof

The present invention relates to a novel method for synthesizing a composition of polymers, copolymers, terpolymers and tetrapolymers, and to the use thereof, said composition being made from: cyclodextrins, in particular α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin, the derivatives or corresponding mixtures thereof, and/or calix[n]arene(s) and/or of calix[n]arene derivative(s) and/or a mixture of two or more different calix[n]arenes selected from calix[n]arenes (n=4-20) and/or the derivatives thereof, and to the uses thereof. A method was developed on the basis of direct-melt polycondensation. The invention can be used in the pharmaceutical, human medicine, veterinary medicine, chemistry, separation chemistry, environmental, electronics, biological, diagnostics, phytosanitation, medicinal food, agri-food, and cosmetics fields, and in the nutraceutical field and in the field of molecular imprints (MIP).




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Hyaluronic acid based copolymers

Hyaluronic acid (HA) conjugates or crosslinked HAs compositions for coating an implantable device are provided. The implantable device can be used for treating a disorder such as atherosclerosis, thrombosis, restenosis, high cholesterol, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, and combinations thereof.




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Multi-armed catechol compound blends

The invention describes families of compounds that utilize multihydroxyl phenyl groups to provide adhesive properties. Selection of the multihydroxy phenyl group along with linkers or linking groups and the linkages between the linkers or linking groups with polyalkylene oxides, provides materials that can be engineered to afford controllable curing time, biodegradation and/or swelling.




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Benzindocyanine compound for labeling substance, intermediate thereof, and method for preparing the same

The present disclosure relates to a novel benzindocyanine compound for labeling biomolecules and a method for preparing the same.




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Polymeric composition for cellulosic material binding and modifications

A polymer composition suitable for wood treatment or binding comprises a reaction product of at least a polyol and at least a crosslinking agent. The crosslinking agent has at least 2 carboxylic acid groups per molecule. A wood product comprising a wood substrate and a polymer composition as well as a wood treatment process are also disclosed.




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Sizing composition for mineral wool comprising a monosaccharide and/or a polysaccharide and an organic polycarboxylic acid, and insulating products obtained

A sizing composition for insulating products based on mineral wool, in particular on glass or on rock, includes at least one monosaccharide and/or at lest one polysaccharide, and at least one organic polycarboxylic acid having a molar mass of less than or equal to 1000. Another subject-matter of the present invention is the insulating products based on mineral fibres thus obtained and the process for the manufacture thereof.




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Multifunctional in situ polymerized network via thiol-ene and thiol-maleimide chemistry

Biomaterials that support cell attachment and growth are provided. In one aspect, biomaterials are provided comprising a first polymer matrix comprising reactive amino moieties and a second polymer matrix that interpenetrates with the first polymer matrix, where the second polymer matrix comprises a poly(alkylene oxide) comprising two or more alkylene oxide oligomers joined by gamma-thioether carbonyl linkages. In another aspect, biomaterials are provided comprising at least one biopolymer comprising amino groups, thiol groups, and bifunctional modifiers connecting at least some of the amino groups to at least some of the thiol groups; and at least one poly(alkylene oxide) cross-linked to at least two thiol groups of the biopolymer. The biomaterials may further comprise a pharmacologically active agent or cells. Methods of administering such biomaterials to a patient in need thereof are also provided.




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Polyester resin, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

A polyester resin is a polycondensate obtained by reacting a divalent alcohol, a divalent carboxylic acid, and a mono- or divalent rosin by the use of a zinc compound as a reaction catalyst.




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Polylactide-graft-lignin blends and copolymers

The present invention is directed to a PLA-graft-lignin polymers and copolymers and methods of making the same. As the lignocellulosic biorefining industry emerges as a viable fuels technology, the availability of the assortment of lignins will also expand. The use of lignins as a copolymer is one area where lignin may be utilized.




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Water based lignin epoxy resins, methods of using and making the same

Water based lignoepoxy resins, and methods for their preparation and use are provided. Methods of making lignoepoxy resins without the use of volatile organic compounds are also provided.




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Autoxidisable coating composition

An autoxidisable coating composition comprising i) 10 to 60 wt % of an autoxidisable material with: a) a number average molecular weight




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Repositionable endoluminal support structure and its applications

An endoluminal support structure includes strut members interconnected by pivot joints to form a series of linked scissor mechanisms. The structure can be remotely actuated to compress or expand its shape by adjusting the scissor joints within a range of motion. In particular, the support structure can be repositioned within the body lumen or retrieved from the lumen. The support structure can be employed to introduce and support a prosthetic valve within a body lumen.




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Repositioning of prosthetic heart valve and deployment

A collapsible prosthetic heart valve includes a stent and a valve assembly. The stent has an annulus section with a relatively small cross-section, and an aortic section with a relatively large cross-section. The valve assembly, including a cuff and a plurality of leaflets, is secured to the stent in the annulus section such that the valve assembly can be entirely deployed in the native valve annulus and function as intended while at least a portion of the aortic section is held by the delivery device in a manner that allows for resheathing. The configuration of the prosthetic valve is such that the valve leaflets can fully coapt and the valve can function properly even when the stent and/or valve assembly become distorted upon deployment or use.




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Rapid assays for neurotransmitter transporters

The invention describes the finding that 4-(4-dimethylaminostyrl)-N-methylpyridinium or ASP+ is a fluorescent substrate that is transported by several neurotransmitter transporters. Provided are methods for the analysis of neurotransmitter transport and binding using ASP+. The invention also provides rapid methods for screening for modulators of neurotransmitter transport. As neurotransmitter transporter defects are associated with numerous neurological disorders, the invention also provides methods for treating neurotransmitter transport-associated defects/conditions using the modulators identified by the screening methods of the invention.




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Universal linker compositions for the release or transfer of chemical agents from a polynucleotide

A universal linker structure is provided, in which a functional group and activating leaving group are placed on a tether, allowing the placement of an electrophile at the end of any nucleic acid sequence. The electrophile on the tether can react with a second nucleic acid carrying a nucleophile when the two nucleic acids are hybridized near one another, resulting in release of the leaving group, and creation of a functional change. The linker can be designed to destabilize the ligation product without slowing the rate of reaction. This lowers product inhibition, and the target DNA or RNA can become a catalyst for isothermally generating multiple signals for detection. This enhanced signal is demonstrated in solution experiments and in solid supported assays. The universal linkers of the present invention are simple and inexpensive to prepare, and can be appended to any polynucleotide in automated steps on a standard DNA synthesizer.




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Furnace slag door and corresponding furnace

The invention relates to a furnace slag door, comprising at least one panel which is moveable, in a mounted state of the slag door, from an opened position, in which the panel is remote from a corresponding slag discharge opening within the furnace wall to a closed position, in which the panel covers at least part of said slag discharge opening. The invention further comprises a corresponding furnace equipped with such slag door. The furnace is, in particular, an electric arc furnace (EAF) but may be as well of another type.




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Method for treating spheroidal graphite iron and pouring device thereof

A method for treating spheroidal graphite iron includes the step: pouring molten spheroidal graphite iron into a pouring electrical furnace (1); covering the molten spheroidal graphite iron (5) with alkali slag (6) which is melted at high temperature and rich in alkali earth metal ion, rare earth metal ion, or mixture of them; connecting the molten spheroidal graphite iron (5) with the negative pole of the direct current source by one pole (7); connecting the alkali slag (6) with the positive pole of the direct current source by another pole (4), treating the molten spheroidal graphite iron (5) with the alkali slag (6) which is used as electrolyte. The method can prevent the spheroidized fading velocity of the spheroidal graphite iron. The pouring electrical furnace can be used for treating the molten spheroidal graphite iron.




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Resonant power supply for use with high inductive loads and method of providing same

A resonant power supply (900) for use with high inductive loads includes an input rectifier (903) and a switching inverter formed using a plurality of parallel connected half bridge networks for switching the voltage provided from the input rectifier (903). A transformer (927) is used whose primary is connected to the switching inverter and whose secondary is connected to load such as a crucible (931). A capacitor (929) is used in series with the primary of the transformer (927) for resonating the inductance in the secondary circuit at the frequency of the switching inverter to provide maximum power transfer to the crucible (931).




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Device for adjusting the locking point of an electrode

A device (10) for adjusting the locking point of the electrode of a smelting furnace includes a vice (120) for supporting said electrode and supplying it with power. A structure (13) is coupled with the vice (120), supports the electrode and moves the electrode vertically.




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Power supply arrangement

A power supply arrangement for supplying a square-wave current (I2) to a load connected to an output of the power supply arrangement, in particular a power supply arrangement in an arc furnace for generating an arc, including a transformer (TU) with at least two primary-site taps (1U1, 1U2) which form an input of the power supply arrangement, and with several secondary-side taps (2U1, 2U2, 2U3, 2UN), a bridge circuit (BU) with several first half bridges (11, 12, 13) which include converter valves (V11, V12, V13, V14, V15, V16) and which each have a first terminal (A11, A12, A13) of the bridge circuit, with a bridge section with a choke (L1), and with a second half bridge (20) which has converter valves (V17, V18) and a second terminal (A20) of the bridge circuit (BU), wherein each first terminal (A11, A12, A13) is connected to one of the secondary-side taps (2U1, 2U2, 2U3) of the transformer (TU), wherein the second terminal (A20) is connected to the output.




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Electric power system for electric induction heating and melting of materials in a susceptor vessel

Apparatus and process for heating and melting a material in a susceptor vessel are provided wherein phase synchronized ac voltage is supplied from a separate power source to each one of at least two induction coils in separate zones around the vessel. Power magnitude from each source to an induction coil is controlled by pulse width control of the source's output voltage. Output frequency from each source is either fixed or variable based upon the electrically conductive state of the material. Optional electromagnetic stirring is achieved by establishing a phase shift between the voltage outputs of the power supplies after the material in the susceptor vessel has melted.




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Furnace for dehydrating and sintering porous glass preform

A furnace for dehydrating and sintering a porous glass preform includes a core tube that passes through a center portion of a furnace body to accommodate therein the porous glass preform, a heater that is arranged around the core tube in the furnace body to heat the porous glass preform in the core tube, and a core tube weight dividing and bearing means that is arranged at an outer periphery of the core tube to divide and bear the weight of the core tube in its longitudinal direction. The core tube weight dividing and bearing means includes a plurality of collars that is protruded at a predetermined interval in the longitudinal direction at the outer periphery of the core tube, a first weight receiving means that supports the collars at the outer periphery of the core tube, and a second weight receiving means that bears the weight of the first weight receiving means.




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Torque limiting device, particularly for power transmission elements

A torque limiting device, particularly for power transmission elements, is provided. The torque limiting device includes a first connecting member and a second connecting member, which is connected rotatably to a driven element. The first connecting member includes a motor driving disk and the second connecting member includes a sliding disk, and further includes a pin supporting body which comprises a drum that is assembled on the second connecting member and includes a plurality of radial holes, each one of which accommodates a pin that is pressed, toward the center of the drum, by elastic means, and abuts, with at least one of its faces which is inclined with respect to the central rotation axis of the second connecting member, against at least one corresponding abutment face.




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Rotational vibration damper, particularly for the power train of a vehicle

A rotational vibration damper includes a primary side (32) and a secondary side (46) which is rotatable with respect to the primary side (32) around an axis of rotation (A) against the action of a damper element arrangement (28). At least one damper element unit (42) of the first group (70) and at least one damper element unit (42') of the second group (70') are pre-loaded, and the primary side (32) and the secondary side (46) are pre-loaded in a basic relative rotation position with respect to one another. Proceeding from the basic relative rotation position of the primary side (32) with respect to the secondary side (46), a pre-loading path (V, V') of at least one pre-loaded damper element unit (42) is shorter than a maximum relative rotation path of the primary side (32) with respect to the secondary side (46).




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Wheel supporting device

A wheel supporting device includes: a hub unit that has a rotary ring having a first spline on its axially inner end face; and a joint that has an outer ring having a second spline, meshing with the first spline, on its axially outer end face. At least one projection included in a plurality of projections of the first spline projects in the axial direction by a larger amount than the remaining projections of the first spline. When a crest of the at least one projection contacts a crest of one of projections of the second spline, a play is caused between the rotary ring and the outer ring due to the at least one projection that works as a fulcrum.