Patent application number | Description | Published |
20100132590 | HIGH BELITE-CONTAINING SULFOALUMINOUS CLINKER, METHOD FOR THE PRODUCTION AND THE USE THEREOF FOR PREPARING HYDRAULIC BINDERS - A sulphoaluminate clinker includes as a phasic formulation, compared with the total weight of clinker: 5 to 25% of a calcium aluminoferrite phase with a formulation corresponding to the general formula C2AXF(1−X), with X comprised between 0.2 and 0.8; 15 to 35% of a calcium sulphoaluminate phase yee' limit (C4A3$); 40 to 75% belite (C2S); from 0.01 to 10% of one or several minor phases selected from the group consisting of calcium sulphates, alkali sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase, and/or a vitreous phase, and additives including at least sodium and boron present in the following quantities, by weight as compared to the total weight of the clinker: from 0.1 to 5% of sodium expressed as sodium oxide and from 0.2 to 3% of boron, expressed as boron oxide, the total content of said additives being less than or equal to 15%. | 06-03-2010 |
20110041736 | ADDITIVES FOR CEMENT - A belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition including: a BCSAF clinker which clinker has the following mineralogical composition, based on the total weight of the clinker: 5 to 25%, preferably 10 to 20%, of a calcium aluminoferrite phase having the general formula C | 02-24-2011 |
20110259247 | HYDRAULIC BINDER WITH A BASE OF SULFOALUMINATE CLINKER AND PORTLAND CLINKER - The present invention relates to a composition including at least a Portland clinker and a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF). | 10-27-2011 |
20120145045 | ADDITIVES FOR A HYDRAULIC BINDER BASED ON BELITE-CALCIUM-SULPHOALUMINATE-FERRITE CLINKER - A composition includes at least, in % expressed by mass relative to the total mass of the composition, from 0.01 to 3% of polycarboxylic acid or salts thereof, the polycarboxylic acid including 2 to 4 carboxyl groups per molecule; and from 97 to 99.99% of a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF clinker). | 06-14-2012 |
20120238006 | PROCESS FOR REMOVAL OF CARBON DIOXIDE FROM A GAS STREAM - A process for reducing the carbon dioxide concentration of a carbon dioxide-containing gas which process includes, in a first stage, contacting the carbon dioxide-containing gas with a treating solution including an alkali metal carbonate and/or hydroxide and with a catalyst to promote the absorption of carbon dioxide to form a second solution including an alkali metal carbonate and bicarbonate and, in a second stage, contacting the second solution with a carbonatable silicate-containing material including an alkaline earth cation capable of forming an insoluble carbonate to produce silica and a solid carbonate including the cation and to regenerate a solution including alkali metal carbonate. | 09-20-2012 |
20120291672 | PROCESS FOR REDUCING THE CONCENTRATION OF CARBON DIOXIDE IN AN EXHAUST GAS - A process for reducing the concentration of carbon dioxide in a gas including carbon dioxide and water vapour (for example a flue gas or a cement plant flue gas) which process includes contacting the gas with a particulate solid, which solid includes an alkaline earth metal oxide or hydroxide and a promoter selected from an alkanolamine; an unsubstituted or substituted piperazine; an unsubstituted or substituted morpholine; and a polyethyleneamine oligomer. | 11-22-2012 |
20130284073 | PROCESS FOR CARBON DIOXIDE REMOVAL FROM A GAS BY CONTACTING IT WITH A SOLID - A process for reducing the concentration of carbon dioxide in a gas including carbon dioxide and water vapour which process includes contacting the gas with a particulate solid, which solid is a waste material which includes an alkaline earth metal oxide or hydroxide or a mixture thereof and which particulate solid also includes an added alkali metal compound which is an alkali metal hydroxide, carbonate or bicarbonate, or a mixture thereof. | 10-31-2013 |
20140120022 | PROCESS FOR THE MINERALIZATION OF CARBON DIOXIDE - A process for the mineralization of carbon dioxide to form a magnesium carbonate compound, which process includes contacting the carbon dioxide, in the free form, or in the form of an alkali metal carbonate or bicarbonate, with an alkali metal magnesium silicate to produce the magnesium carbonate compound. | 05-01-2014 |
20140245929 | SURFACTANTS - A particulate material for the production of a cement foam which material includes particles including, attached to the particle surface, a surfactant which renders the particles hydrophilic, the surfactant including a moiety which is hydrolysable under alkaline conditions, which surfactant, after loss of the moiety by alkaline hydrolysis, renders the particles partially hydrophobic. | 09-04-2014 |
Patent application number | Description | Published |
20080277458 | METHOD FOR THE SUBSEQUENT TREATMENT OF WELDED CONNECTIONS - A method for the subsequent treatment of welded connections is shown and described. The object of providing a method for the subsequent treatment of a weld by which the tensile stresses in the region of the weld are reduced is achieved by applying a top layer to the weld on a workpiece by cold-gas spraying. | 11-13-2008 |
20100181391 | DEVICE FOR COLD GAS SPRAYING - The invention relates to a nozzle for cold gas spraying in which gas and spraying particles are accelerated. According to the invention, the cold gas spraying nozzle is at least partially coated at its inner wall. | 07-22-2010 |
20130177712 | METHOD AND APPARATUS FOR THERMAL SPRAYING - An apparatus and methods for cold spraying with a spraying unit, a particle supply, a gas supply, and at least one heating unit. The heating unit contains a graphite felt that can be heated with an electric heater current, through which a gas stream can flow, wherein the at least one heating unit is arranged separately and/or in a pressure tank through which the gas stream can flow. | 07-11-2013 |
20130183453 | METHOD AND DEVICE FOR THERMAL SPRAYING - A thermal spraying method is provided, wherein spray particles of a powdered spray material are introduced into a hot carrier gas stream, heated by the carrier gas stream and then sprayed onto the surface of a substrate by a spray nozzle, wherein the temperature of the spray particles upon impact onto the substrate is below the melting temperature of the spray material. The spray particles are heated in the hot carrier gas stream upstream of the nozzle throat to a temperature that causes at least partial melting of the spray particles in that location. | 07-18-2013 |
20140127415 | METHOD FOR MANUFACTURING DIAMOND - A method for manufacturing diamond or diamond-like carbon (DLC) by converting at least one other form of carbon such as graphite, amorphous carbon, fullerenes, glass carbon, graphene, carbon foam or a mixture of these forms. This method comprises an acceleration of particles and causing them to collide with a substrate. The particles and/or the substrate contain(s) or consist(s) of another form of carbon. The conversion is induced by impact of the particles with the substrate, wherein cold gas spraying is used to advantage. | 05-08-2014 |
20140336046 | METHOD FOR COLD GAS SPRAYING - The invention relates to a method for cold gas spraying in which a spray powder containing photocatalytically active spray particles is accelerated by means of a carrier gas in a nozzle and forms a coating upon striking a substrate. According to the invention, the method is characterized in that at least one part of the photocatalytically active spray particles consists of nanocrystalline agglomerates having a porosity of 200 to 800 m | 11-13-2014 |
Patent application number | Description | Published |
20080211292 | CAST WHEEL - The invention relates to a cast wheel having a wheel rim base, a rear edge region, and a front edge region, wherein the front edge region is coupled to the rear edge region via the wheel rim base. The cast wheel includes at least one reduced-material portion structured and arranged in the rear edge region and a circumferential bead arranged in a rearward portion of the rear edge region, wherein at least a part of the reduced-material portion is located in a region of the circumferential bead and is structured and arranged to widen radially inward from a radially outwardly located vertex region towards a leveling-off end. | 09-04-2008 |
20130240168 | PROCESS FOR PRODUCING A CAST WHEEL AND CASTING MOULD - Process and casting mould for producing a cast wheel. A core, which remains in the cast wheel and has a circumferential rim, is inserted into a casting mould having at least one lower mould part and an upper mould part moved relative to one another to close casting mould. Core is positioned by at least one positioning element in a predetermined position in casting mould, so that an end region of positioning element is fixed with a force fit or frictional fit in circumferential rim of the core. A free end region of positioning element, which protrudes from circumferential rim of the core, is placed on a contact surface, which is preferably arranged substantially horizontally during operation, of lower mould part during positioning of core in casting mould. Core is positioned in the predetermined position under the action of the force of gravity. | 09-19-2013 |
Patent application number | Description | Published |
20150044469 | Mineral Composition Made From A Mixed Solid Phase of Calcium and Magnesium Carbonates, Method of Preparing Same and Use Thereof - A mineral composition made from a mixed solid phase of calcium and magnesium carbonates, method of preparing same and use thereof. A mineral composition made from a mixed solid phase of calcium and magnesium carbonates, formed from a crystallised calcium portion and a crystallised magnesium portion in the form of platelets, the crystals of the calcium portion and those of the magnesium portion being aggregated in the form of composite aggregates, said aggregates themselves being at least partially agglomerated, said calcium portion comprising at least one carbonate chosen from the group consisting of calcite, aragonite and the mixtures thereof, said magnesium portion comprising hydromagnesite in platelet form, said mixed solid phase having a bulk density less than or equal to 250 kg/m | 02-12-2015 |
20150183652 | HIGH-FINESSE LIMEWATER COMPOSITION - A composition of milk of lime comprising particles of slaked lime suspended in an aqueous phase, characterised in that said particles of slaked lime have a particle size described by a particle size distribution profile that is narrow and monomodal and the method of production thereof. | 07-02-2015 |
20150368154 | Method for the Dry Slaking of Calcium and Magnesium Oxides from Calcomagnesian Compounds - The invention relates to a method for the dry slaking of calcium oxides and magnesium from calcomagnesian compound containing preferably at least 10 wt. % of MgO in relation to the total weight of said calcomagnesian compound, in which calcomagnesian compound is supplied to a slaking vessel, a slaking aqueous phase is supplied to the slaking vessel, followed by slaking the calcomagnesian compound delivered to the slaking vessel, by means of the slaking aqueous phase, and forming hydrated solid particles of calcium hydroxides and magnesium, in the presence of an additive. The invention also relates to the compound produced in this way. | 12-24-2015 |
20150376059 | Method for the Wet Slaking of Calcium and Magnesium Oxides from Calcomagnesian Compounds - A method is shown for the slaking of calcium oxides and magnesium from calcomagnesian compound containing at least 10 wt. % of MgO in relation to the total weight of said calcomagnesian compound, in which a slaking aqueous phase is supplied to a slaking device, and slaking the compound containing anhydrous dolomite delivered to the slaking device, by means of the slaking aqueous phase, forming hydrated solid particles of Mg(OH) | 12-31-2015 |