Patent application number | Description | Published |
20080216985 | Method for Producing Grain Oriented Magnetic Steel Strip - A method for producing high-quality grain oriented magnetic steel sheet utilizes a steel alloy with (in wt %) Si: 2.5-4.0%, C: 0.02-0.10%, Al: 0.01-0.065%, N: 0.003-0.015%. The method utilizes an operational sequence whose individual steps (secondary metallurgical treatment of the molten metal, continuous casting of the molten metal into a strand, dividing of the strand into thin slabs, heating of the thin slabs, continuous hot rolling of the thin slabs into hot strip, cooling of the hot strip, coiling of the hot strip, cold rolling of the hot strip into cold strip, recrystallization and decarburization annealing of the cold strip, application of an annealing separator, final annealing of the recrystallization and decarburization annealed cold strip to form a Goss texture) are harmonized with one another, so that a magnetic steel sheet with optimized electromagnetic properties is obtained using conventional apparatus. | 09-11-2008 |
20090139609 | Method for Producing Grain Oriented Magnetic Steel Strip - A method, which makes it possible to economically produce high-quality grain oriented magnetic steel sheet, utilizes a steel alloy with (in wt %) Si: 2.5-4.0%, C: 0.01-0.10%, Mn: 0.02-0.50%, S and Se in contents, whose total amounts to 0.005-0.04%. The method utilizes an operational sequence whose individual routine steps (secondary metallurgical treatment of the molten metal in a vacuum—or ladle facility, continuous casting of the molten metal into a strand, dividing of the strand, heating in a facility standing inline, continuous hot rolling in a multi-stand hot rolling mill standing inline, cooling, coiling, cold rolling, recrystallization and decarburization annealing, application of an annealing separator, final annealing to form a Goss texture) are harmonized with one another, so that a magnetic steel sheet with optimized electromagnetic properties is obtained using conventional apparatus. | 06-04-2009 |
20130251984 | Method for Producing an Insulation Coating on a Grain-Oriented Electrical Steel Flat Product and Electrical Steel Flat Product Coated with Such an Insulation Coating - The invention relates to a method for producing a grain-oriented electrical steel flat product with minimised magnetic loss values wherein the method comprises the following work steps:
| 09-26-2013 |
20140034193 | Method for Producing a Grain-Oriented Flat Steel Product - The present invention relates to a method for producing a grain-oriented flat steel product that is intended for the manufacture of parts for electrotechnical applications and has minimised magnetic loss values and optimised magneto-restrictive properties, including the operations providing a flat steel product, laser-treating the flat steel product, wherein, in the course of the laser treatment, linear deformations, which are arranged with a spacing L, are formed into the surface of the flat steel product by means of a laser beam emitted by a laser beam source with a power P. The method according to the invention for producing flat steel products is optimally suited for the manufacture of parts for transformers. | 02-06-2014 |
20140230966 | Method for Producing a Grain-Oriented Electrical Steel Strip or Sheet Intended for Electrotechnical Applications - A method for producing a grain-oriented electrical steel strip or sheet, in which the slab temperature of a thin slab consisting of a steel having (% wt.) Si: 2-6.5%, C: 0.02-0.15%, S: 0.01-0.1%, Cu: 0.1-0.5%, wherein the Cu to S content ratio is % Cu/% S>4, Mn: up to 0.1%, wherein the Mn to S content ratio is % Mn/% S<2.5, and optional contents of N, Al, Ni, Cr, Mo, Sn, V, Nb, is homogenised to 1000-1200° C. The thin slab is hot rolled into a hot strip having a thickness of 0.5-4.0 mm at an initial hot-rolling temperature of <=1030° C. and a final hot-rolling temperature of >=710° C., with a thickness reduction in the first and in the second hot-forming passes of >=40%. The hot strip is cooled, coiled, and cold rolled into a cold strip having a final thickness of 0.15-0.50 mm. An annealing separator is applied onto the annealed cold strip to form a Goss texture. | 08-21-2014 |
20140261895 | Method for Producing a Grain-Oriented Electrical Steel Flat Product Intended for Electrotechnical Applications - The invention relates to a method for producing a grain-oriented steel flat product for electrotechnical applications, wherein, in a production step, “decarburising and nitriding annealing” is carried out in two stages. The first stage of the annealing process extends over a first time interval, which comprises heating the cold strip starting from a start temperature to a first target annealing temperature and holding it at this target annealing temperature, and the second stage of the annealing process extends over a second time interval, in which the cold strip is heated to a second target annealing temperature and subsequently held at this target annealing temperature. | 09-18-2014 |
Patent application number | Description | Published |
20080207476 | PARTICLES CONTAINING PERFUME HAVING IMPROVED FRAGRANCE PROPERTIES - A particle containing a carbonate, a sulfate, a perfume, and a layered silicate, the particle having a weight ratio of layered silicate to carbonate and sulfate combined of ≦1:2. The particles, having a desirable fragrance profile, are useful in detergents, fabric softeners, and textile treatments. | 08-28-2008 |
20080293609 | ABSORPTIVE PARTICLES - A method to obtain particles which can absorb large quantities of perfume. The resulting particles are mechanically stable, flow freely, and have no tendency to stick together even when being charged with a great quantity of perfume. The perfume can be stabilized in the particles in such a way that the contained fragrances essentially do not decompose. Also disclosed are the aftertreatment of such particles as well as a detergent composition containing the inventive particles. | 11-27-2008 |
20090099382 | ACTIVE INGREDIENT CARRIERS WHICH ARE BASED ON SILICON AND CONTAIN AMINOALKYL GROUPS - Silicon compounds comprising at least one silicon atom, at least one alkoxy group of the formula —OR′ bonded to silicon, and at least one aminoalkyl group bonded to silicon, wherein the alkoxy group is derived from an active substance alcohol of the formula R′OH, and the use thereof for perfuming or preserving laundry detergents and cleaners or cosmetic compositions. | 04-16-2009 |
20100210496 | Fragrance Effect of Perfume Esters - Adhesion of perfume esters to surfaces, such as the surfaces of textiles, of hard objects, or of the human body, was able to be improved. Said object is achieved substantially by using particular enzymes leading to improved fixing of the perfume ester on hard and/or soft surfaces. | 08-19-2010 |