Abstract: The proposed inventions pertain to technology of continuous inorganic fibers manufacturing by way of drawing from melted minerals. Such continuous inorganic fibers may be used in production of heat-resistant threads, rovings, cut fibers, fabrics, composition materials and products based on such materials. The C contains the mixture of silicon (SiO2), aluminum (Al2O3), titan (TiO2), iron (Fe2O3 and FeO), calcium (CaO), magnesium (MgO), manganese (MnO) oxides and admixtures, and, according to the invention, this composition further contains potassium (K2O), sodium (Na2O), barium (BaO) oxides with the following components ratio (in mass %): Al2O3 15.90-18.10 TiO2 0.75-1.20 Fe2O3 + FeO 7.51-9.53 CaO 6.41-8.95 MgO 2.50-6.40 K2O 1.60-2.72 Na2O 3.30-4.10 P2O5 0.23-0.50 SO3 0.02-0.15 MnO 0.12-0.21 BaO 0.05-0.19 admixtures, up to 1.00 SiO2 the rest.

Abstract: Process for producing a shaped body comprising a microporous material and at least one silicon-containing binder, which comprises the steps (I) preparing a mixture comprising the microporous material, the binder, a make-up aid and a solvent, (II) mixing and densifying the mixture, (III) shaping the densified mixture to give a shaped body, (IV) drying the shaped body and (V) calcining the dried shaped body, wherein the binder used is an organosilicon compound, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing triethylenediamine (TEDA).

Abstract: Provided is a cellulose acylate film formed through melt casting that is capable of being built in liquid-crystal display devices to solve the display trouble at the time of black level of display. That is a cellulose acylate film formed through melt casting, in which the number of polarizing minor impurities is from 0 to 10/mm2 and the number of black impurities is from 0 to 10/mm2, and which has a transmittance at 450 nm (T450) of from 90 to 100%.

Abstract: A composite material is obtained by mixing with water 100 parts in weight of binder, between 250 and 800 parts in weight of steel-based shot having a granulometric distribution comprised between 120 jim and 3000 jim, between 10 and 15 parts in weight of non-densified silica fume and a highly water-reducing superplasticizer. The ratio between the weight quantity of water and the weight quantity of hydraulic binder is comprised between 0.16 and 0.25. The composite material presents a very high abrasion resistance, an abrasion index measured according to the C.N.R protocol comprised between 0.15 and 1.0, the value of the D10 grain size of the shot being at least eight times greater than the value of the D90 grain size of the hydraulic binder.

Abstract: A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs in value.

Abstract: A method of fabricating a solid oxide fuel cell that includes the steps of: (a) inputting raw materials for a layer of the solid oxide fuel cell into a screw extruder; (b) mixing the raw materials into a mixture as the raw materials pass through the screw extruder; (c) de-airing the mixture of raw materials as the raw materials pass through the screw extruder; and (d) extruding, the mixture through an opening at a downstream end of the screw extruder. The screw extruder may be a twin-screw extruder.

Abstract: A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of each other, assuming that the centrifuge is in centrifugation position. The device also includes at least two annular zones whose number of orifices per unit of surface area differs by a value greater than or equal to 5%, in particular greater than or equal to 10%, and even 20%.

Abstract: The present invention provides a method for producing a cellulose resin film, comprising the step of: discharging a molten resin, which is obtained by melting in an extruder, from a die in a form of a sheet onto a traveling or rotating cooling support so as to be solidified by cooling, wherein the molten resin is discharged by using a die, at least a lip of the die being formed of an alloy prepared by thermal spraying of 60 to 95% by weight of tungsten carbide and 5 to 40% by weight of a composite material including as the main components thereof cobalt or nickel and carbon and further including chromium or graphite in a content of 0.5 to 3% by weight.

Abstract: An extrusion-molding machine according to the present invention comprises: a screw having a blade portion for extruding a molding material, the screw disposed in a tightly-closed space; and a die for molding an extruded molding material, wherein the space is maintained in a reduced-pressure atmosphere, and a high-hardness coat layer is formed at least on the blade portion.

Abstract: A process for making non-thermoplastic starch fibers comprises the steps of: (a) providing a non-thermoplastic starch composition comprising from about 50% to about 75% by weight of modified starch and from about 25% to about 50% of water and having a shear viscosity within the at least one nozzle from about 1 to about 80 Pascals·second at the processing temperature and at a shear rate of 3,000 sec?1; (b) extruding the non-thermoplastic starch composition through at least one extrusion nozzle terminating with a nozzle tip, thereby forming at least one embryonic starch fiber; (c) attenuating the at least one embryonic starch fiber with an attenuating air having an average velocity at the nozzle tip greater than about 30 meters per second, to cause the fiber to form an average equivalent diameter of less than about 20 microns; (d) dewatering the at least one embryonic starch fiber to a consistency of from about 70% to about 99% by weight, thereby producing at least one non-thermoplastic starch fiber, wherein th

Abstract: A method for producing a porous ceramic article involves a step of kneading raw materials including a raw material for a ceramic and a processing aid, to prepare a body, a step of forming the body, to prepare a ceramic formed product, a step of drying the formed product, to prepare a ceramic dried article, and a step of firing the ceramic dried article, to preparing a porous ceramic article, characterized in that the processing aid is a starch having been subjected to a crosslinking treatment or a material comprising a starch having been subjected to a crosslinking treatment and a foamed resin. The method allows the production of a porous ceramic article which is suppressed in the deformation during drying and is excellent in dimensional accuracy.

Abstract: A method for manufacturing a ceramic glow pin which is formed of more than two layers arranged especially coaxially to the axis of the glow pin and symmetrically. The layers of the layer structure are manufactured by co-extrusion.

Abstract: Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional stability, resiliency, abrasion resistance and other properties making them attractive for use as packaging materials.

Abstract: A method for producing a honeycomb structure using, as a part of a starting material, a recycled raw material recycled from a recovered material which is produced in the production process of the honeycomb structure and originates from the starting material for the honeycomb structure, and further provides the honeycomb structure. The recycled raw material is ground so that it has an average particle diameter of 10–2000 ?m and contains 10% or less by weight of particles having an average particle diameter of 2800 ?m or more.

Abstract: This invention relates to a method of manufacture of a barrier, especially for electronic display devices, comprising the step of co-extruding a melt of at least one inorganic material with a melt of at least one organic material, wherein the at least one inorganic material and the at least one organic material are co-extruded as a continuous sheet.

Abstract: A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the length of the casting bed.

Abstract: A method is disclosed for casting a concrete product using two or more different grades of concrete mix, in which method predetermined amounts of different grades of concrete mix are delivered at appropriate instants into the feeder hopper of the slip-form casting machine.

Abstract: Described are methods of making electrodes for electrochemical systems, especially cathodes for lithium polymer batteries, and products prepared from the methods; the methods involve the use of a co-rotating, fully intermeshing twin screw extruder, the extrusion of essentially solvent-free systems, or both.

Abstract: A method is provided for fabricating a concrete slab in a substantially horizontal slip casting process method, concrete mix is fed into a mold through a delimited cross section moving progressively in the casting process so as to form a concrete product of a desired shape. Onto the surface of the casting bed (1) is placed a core (3, 9, 10, 11) capable of delimiting the cross section of the concrete product (5, 5?) so as to provide an opening or a provision for an opening in the bottom surface of the slab. A core is provided for obtaining an opening or a provision for an opening. The structure and/or material of the core is/are such that the core is capable of yielding in vertical direction. A core may also be a multipart core, the outer part of which becomes detached from the inner part of the core in conjunction with lifting off the concrete slab from the casting bed.

Abstract: This invention relates to a process and a device for producing components and semi-finished products from synthetic graphite or from ceramic granules, in particular for producing graphite tubes, involving shaping of a material to be mixed preferably containing petroleum coke or graphite granules, by means of an extrusion press (22) or an extruder, wherein the process provides the following steps: a) Pre-pressing the material (20) to be mixed in static or quasi-static manner, flow movements of the material (20) to be mixed being stopped or impeded in such a way that particles previously irregularly arranged in the material to be mixed are initially aligned transversely to the direction of pressing, b) Pressing out of the pre-pressed material (20) to be mixed through an outlet opening (28) of the extrusion press (22) or the extruder in such a way that owing to adjusted flow properties of the material (20) to be mixed, the particles within the pre-compressed material (20) to be mixed realign, starting from thei

Abstract: A method and apparatus are for fabricating a concrete product in a slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to obtain a concrete product of a desired shape. The method includes an interruptible guidance control of the prestressing tendons so as to allow the tendon guides to travel past supplementary parts such as reinforcing steels connected to the prestressing tendons.

Abstract: The present invention relates to a process for preparing silica-alumina carriers preferably under the form of extrudates. Further, the present invention also provides hydrogenation catalysts prepared thereof. These catalysts are used in an improved process for the reduction of the aromatic hydrocarbons content present in hydrocarbon streams.

Abstract: An activated carbon-metal oxide matrix is disclosed. The activated carbon-metal oxide matrix may by obtained by a method including the steps of: preoxidizing a carbon material, grinding the preoxidized carbon material; mixing the ground preoxidized material with a metal oxide to form a carbon mixture; extruding the carbon mixture; carbonizing and activating the extrudate. The activated carbon-metal oxide matrix may be used to remove odorous compounds, acidic gases, and volatile organic compounds from a gas.

Abstract: A method is provided are for fabricating a concrete product in a substantially horizontal slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to give a concrete product of a desired shape. The input power need of the concrete mix feed and compaction is measured, whereupon the travel resistance of the casting machine is controlled based on the value of a measured process variable. Therefore, quality variations in a slip-form cast product that are caused by changes in the density of the concrete mix and the travel resistance of the casting machine are eliminated.

Abstract: A spinner disc for fiberizing a molten thermoplastic fiberizable material in a rotary fiberization process includes a base plate, an annular peripheral sidewall, and an upper annular reinforcing flange. The annular peripheral sidewall of the disc has a plurality of annular extending rows of fiberizing holes therein for fiberizing thermoplastic materials by centrifugal force. At least an uppermost row of the annular extending rows of fiberizing holes is interrupted by a plurality of spaced apart generally vertically extending holeless retaining bands for maintaining the upper annular reinforcing flange connected to the annular peripheral sidewall when the annular peripheral sidewall cracks along one of the annular extending rows of fiberizing holes due to the hole wear and enlargement that occurs during service.

Abstract: A method is disclosed for casting a concrete product, in which method the concrete product is cast in an essentially horizontal slipform casting process during which the top surface height and profile of the concrete product being cast is measured continually. Based on the measurement results, the relative proportion of the concrete mix flowing to the upper layer or lower layer of the concrete product is controlled by way of moving or tilting a feed trough (12) located below the concrete mix feed means (2).

Abstract: A method for the production of prestressed concrete products and a plant for implementing the method. Moulds provided with pretensioned wires are moved through fixed casting machines into a hardening space. In the hardening space, the combination of mould and product is lifted sideways from the casting line before hardening, using synchronised lifting equipment. The combination may be stacked for space economy. After hardening, the product is removed from the mould using the same lifting equipment. The moulds are returned to the beginning of the casting line, during which stage they are cleaned and refurbished. The products are transferred to cutting and finishing stations.

Abstract: A system for storage and retrieval of elemental hydrogen on a silicon substrate. The hydrogen storage members have at least one surface to which elemental hydrogen either readily bonds or into which the elemental hydrogen is readily adsorbed, and from which desorption of the elemental hydrogen may be controlled. The silicon may be monocrystalline or polycrystalline and may be formed as sliced wafers, as very fine extruded columns, or may be derived from waste in the manufacture of integrated circuits. The silicon surfaces may be treated in a variety of ways to increase porosity and surface area, and thus to increase storage efficiency for elemental hydrogen. The system is useful in supplying fuel to a fuel cell system for generating electric power, as well as for cooperating with a control system to form a stand-alone Auxiliary Power Unit.

Abstract: A process for making non-thermoplastic starch fibers comprises the steps of: (a) providing a non-thermoplastic starch composition comprising from about 50% to about 75% by weight of modified starch and from about 25% to about 50% of water and having a shear viscosity within the at least one nozzle from about 1 to about 80 Pascals-second at the processing temperature and at a shear rate of 3,000 sec−1; (b) extruding the non-thermoplastic starch composition through at least one extrusion nozzle terminating with a nozzle tip, thereby forming at least one embryonic starch fiber; (c) attenuating the at least one embryonic starch fiber with an attenuating air having an average velocity at the nozzle tip greater than about 30 meters per second, to cause the fiber to form an average equivalent diameter of less than about 20 microns; (d) dewatering the at least one embryonic starch fiber to a consistency of from about 70% to about 99% by weight, thereby producing at least one non-thermoplastic starch fiber, wher

Abstract: A method of producing aerated soap 5 comprising solidifying molten soap 4 having bubbles dispersed therein in a molding unit, wherein a storage tank 61 of the molten soap 4 has a circulating duct 62 forming a loop passing through the storage tank 62, and the circulating duct 62 or the storage tank 61 has connected thereto a feed nozzle 31 for feeding the molten soap 4, whereby the molten soap 4 is fed to the molding unit through the feed nozzle 31 while being circulated in the circulating duct 62.

Abstract: Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional stability, resiliency, abrasion resistance and other properties making them attractive for use as packaging materials.

Abstract: The present invention is directed to an apparatus and method for forming fibers. One embodiment of the apparatus includes a die assembly having a plurality of nozzles, one or more attenuation medium passages and a cover plate. The cover plate has a cover plate opening into which one or more of the nozzles may extend. The attenuation medium passages have a minimum cross-sectional area and the cover plate opening has a limiting cross-sectional area such that the minimum cross-sectional area of the attenuation medium passages is greater than the limiting cross-sectional area of the cover plate opening. The method of the present invention may also include providing a die that creates a low internal pressure drop, cooling the attenuation medium upon exit of the die and/or providing an attenuation medium with a high relative solvent-vapor content in the attenuation region.

Abstract: A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof. The molding apparatus includes a screw-type extruder and a mold at the forward end of the extruder is used to extrusion mold a ceramic sheet from the ceramic material introduced into the extruder by way of the mold. The extrusion molding is carried out while regulating the temperature of the portion of the ceramic material passing through the mold corresponding to each of a plurality of areas (control zones) into which the mold is divided.

Abstract: The present invention relates to ultra-fine inorganic fibers and a method of producing the same. The method of producing ultra-fine inorganic fibers comprises the steps of: mixing sol or gel containing an inorganic material and thermoplastic resin solution and reacting them to produce a mixture solution thereof; electronically spinning the mixture solution under a high voltage to produce a composite fiber with the inorganic material embedded in the thermoplastic resin; and carbonating the thermoplastic resin in the composite fiber or dissolving the same in a solvent. Thereby an ultra-fine inorganic fiber is prepared which has a length 100 to 10,000 times larger than its diameter and a diameter of 10 to 1,000 nm. The ultra-fine inorganic fiber of the present invention has a very large specific surface area with respect to its volume. Thus it is very useful as catalyst supporting materials, reinforcing materials, coating materials or the like in every field of industry.

Abstract: Cellulose containing dope is extruded through orifices and into a stream of gas moving in a direction generally parallel to the direction that the filaments are formed with varying degrees of mechanical attenuation provided to the filaments using a take-up device, such as a winder.

Abstract: Disclosed is a cold-water soluble starch and a process for preparing same. Generally, the process comprises providing a hydroxyalkyl starch and applying a shearing force to the starch in an extruder in the presence of moisture, the force and the moisture each being sufficient to gelatinize at least substantially all of the granules of the starch to thereby form a sheared starch. The starch is heated to its gelatinization temperature after the starch has passed partially through the barrel of the extruder, with the moisture being maintained at a level sufficiently high to allow gelatinization but sufficiency low to protect the starch from becoming too sticky to extrude. The extruded starch product thus formed may be used in connection with a number of film-forming, coating, and other applications.

Abstract: A method of forming graphitic bodies comprises the steps of:—

Abstract: A process for preparing graphite articles is presented. In particular, the process includes employing a particulate fraction comprising at least about 35 weight percent coke, coal or combinations thereof having a diameter such that a major fraction of it passes through a 0.25 mm to 25 mm mesh screen. The particulate fraction is mixed with a liquid or solid pitch binder, to form a stock blend; the stock blend is extruded to form a green stock; the green stock is baked to form a carbonized stock; and the carbonized stock is graphitized. The stock blend further comprises one or both of carbon fibers (advantageously added after mixing of the particulate fraction and pitch has begun) and small particle size filler (advantageously added as part of the particulate fraction).

Abstract: A method for producing a porous ceramic article involves a step of kneading raw materials including a raw material for a ceramic and a processing aid, to prepare a body, a step of forming the body, to prepare a ceramic formed product, a step of drying the formed product, to prepare a ceramic dried article, and a step of firing the ceramic dried article, to preparing a porous ceramic article, characterized in that the processing aid is a starch having been subjected to a crosslinking treatment or a material comprising a starch having been subjected to a crosslinking treatment and a foamed resin. The method allows the production of a porous ceramic article which is suppressed in the deformation during drying and is excellent in dimensional accuracy.

Abstract: The present invention is directed to methods of making lyocell fibers. In particular, the process includes reducing the average degree of polymerization of a pulp to about 200 to 1100 without substantially reducing the hemicellulose content of the pulp, and reducing the copper number to less than 2.0.

Abstract: A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, through a die and onto a substantially flat, smooth, moving surface. The die has provisions at its outer sides for the introduction of slip agents into the slurry, and provisions at its lateral outer edges for the introduction of a strength-enhancing agent. Once extruded onto the conveyor belt, the slurry is chemically-activated to set and form a hardened board core which then may be easily removed from the conveyor belt and dried.

Abstract: A process for producing biopolymer nanoparticles is described, in which the biopolymer is plasticised using shear forces, a crosslinking agent being added during the processing. After said processing. After said processing, the biopolymer can be dissolved or dispersed in an aqueous medium to a concentration between 4 and 40 wt. %. This results in starch nanoparticles which are characterized by an average particle size of less than 400 nm.

Abstract: The invention relates to a method of manufacturing a reinforced oblong concrete product for longitudinal load-bearing purposes, in particular a driving pile. According to the present invention reinforcing fibers are used to prevent break-up of the concrete due to radial forces which occur during driving, and the concrete composition is provided with said reinforcing fibers before the concrete composition is applied to the reinforcing wire. This method reduces the amount of heavy labour and cost. The invention also relates to a driving pile comprising reinforcing fibers.

Abstract: A flexible structure comprises a plurality of starch filaments. The structure comprises at least a first region and a second region, each of the first and second regions having at least one common intensive property selected from the group consisting of density, basis weight, elevation, opacity, crepe frequency, and any combination thereof. The common intensive property of the first region differs in value from the common intensive property of the second region.

Abstract: In one embodiment, a method of forming an absorbent material from clay fines, which includes treating the clay fines with an additive, wetting the clay fines so as to have a moisture content of the clay fines of about 22% to 50% of the weight of the clay fines plus the weight of the additive, and extruding the treated and wetted clay fines so as to produce the absorbent material is disclosed. In a particular embodiment, at least a portion of the clay fines is a clay selected from sepiolite, saponite, hectorite, attapulgite clay, and mixtures thereof.

Abstract: A cellulose/polyolefin pellet comprising polyolefin material and cellulosic material. The pellet may be concentrated such that it contains less than about 20% by weight of the polyolefin material and at least about 55% by weight of the cellulosic material. The pellet may be shipped to a remote manufacturing location where it may be blended with additional polyolefin material to make a synthetic wood component.

Abstract: A method and apparatus (20) for extruding fibre cement. The extruder comprises a casing (30) with a pair of inter-meshing self-wiping screws (40) rotatably mounted therein. The screws continuously mix and or knead the components of the fibre cement provided through various feed means (61, 62) to form a substantially homogeneous paste and force the paste through a die (50) to form a green cementitious extrudate suitable for curing.

Abstract: A process for making non-thermoplastic starch fibers comprises the steps of: (a) providing a non-thermoplastic starch composition comprising from about 50% to about 75% by weight of modified starch and from about 25% to about 50% of water and having a shear viscosity within the at least one nozzle from about 1 to about 80 Pascals-second at the processing temperature and at a shear rate of 3,000 sec−1; (b) extruding the non-thermoplastic starch composition through at least one extrusion nozzle terminating with a nozzle tip, thereby forming at least one embryonic starch fiber; (c) attenuating the at least one embryonic starch fiber with an attenuating air having an average velocity at the nozzle tip greater than about 30 meters per second, to cause the fiber to form an average equivalent diameter of less than about 20 microns; (d) dewatering the at least one embryonic starch fiber to a consistency of from about 70% to about 99% by weight, thereby producing at least one non-thermoplastic starch fiber, wher

Abstract: A ceramic paste composition containing a liquid carrier, ceramic particles, a binder and a dispersant additionally contains a cushioning agent so that it may be extruded at a low extrusion pressure, i.e. below about 0.04 MPa. The cushioning agent is in the form of particles which have a bulk modulus of elasticity of from about 0.1 MPa to about 4 MPa.

Abstract: An apparatus for forming a non-woven mat of nanofibers by using a pressurized gas stream comprises a first member having a supply end defined by one side across the width of said first member and an opposing exit end defined by one side across the width of said first member; a second member having a supply end defined by one side across the width of said second member and an opposing exit end defined by one side across the width of said second member, the second member being located apart from and adjacent to said first member, the length of said second member extending along the length of said first member, said exit end of said second member extending beyond said exit end of said first member, wherein said first and second members define a first supply slit; and a third member having a supply end defined by one side across the width of said third member and an opposing exit end defined by one side across the width of said third member, said third member being located apart from and adjacent to said first me