| Hydro Aluminium Rolled Products GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20210008605 | ROLLER CLEANING METHOD AND ROLLER CLEANING MACHINE - A method for cleaning rollers used for metal strip processing. According to said method, the roller surface is cleaned by an aqueous alkali metal hydroxide or alkaline earth metal hydroxide washing liquid or an acidic washing liquid, the washing liquid is removed and the roller surface is dried. A machine for cleaning rollers includes a washing frame designed for positioning a roller to be cleaned, and at least one means for applying at least one washing solution to the roller surface of the roller to be cleaned. | 01-14-2021 |
| 20170260612 | Heat Exchanger, Use of an Aluminium Alloy and of an Aluminium Strip as well as a Method for the Production of an Aluminium Strip - Provided is a heat exchanger, in particular for motor vehicles, with at least one exchanger tube of an aluminium alloy and with at least one component connected fluidically to the exchanger tube, wherein the exchanger tube and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component connected to the exchanger tube has a core layer of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9-1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium. | 09-14-2017 |
| 20170259529 | Aluminium Composite Material with AlMgSi Core Layer - The invention relates to a strip consisting of an aluminum material for producing components with improved bending behavior and exacting shaping requirements, a method for producing the strip and the use of sheets produced from the strip according to the invention. The strip has a core layer of an AlMgSi alloy and at least one outer aluminum alloy layer arranged on one or both sides, made from a non-hardenable aluminum alloy, wherein the at least one outer aluminum layer has a lower tensile strength in the (T4) state than the AlMgSi layer, wherein the strip has a uniform strain (A | 09-14-2017 |
| 20170152589 | Aluminium alloy which is resistant to intercrystalline corrosion - The invention relates to an aluminium alloy, the use of an aluminium alloy strip or sheet and a method for producing an aluminium alloy strip or sheet. An aluminium alloy which has only a slight tendency towards intercrystalline corrosion and which at the same time provides high levels of strength and good deformability and which contains standard alloy components so that the recycling of the aluminium alloy is simplified is provided herein. | 06-01-2017 |
| 20160107268 | Aluminium composite material having an internal solder layer - The invention relates to a brazable three-layered aluminium composite material having at least three layers with at least two different aluminium alloys, whereby an inner layer of the at least three layers is an aluminium brazing layer made from an aluminium brazing alloy, the other layers are configured as covering layers and include at least one further aluminium alloy, wherein the at least one further aluminium alloy has a higher solidus temperature than the liquidus temperature of the aluminium brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminium brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminium composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties. | 04-21-2016 |
| 20160075903 | Coating of a metal sheet or strip - A coating of a metal sheet or strip comprising a lubricant and a protective base material is provided. The lubricant is contained in the protective base material, and the protective base material is at least in part selectively removable. There is also provided a metal sheet or strip capable of forming, in particular of superplastic forming, and having a coating according to the invention at least partially on one or on both sides of the metal sheet and a method for manufacturing a metal sheet or strip according to the invention comprising the steps of providing a metal sheet or strip capable of forming, in particular of superplastic forming, and applying a coating according to the invention. | 03-17-2016 |
| 20150375345 | Method for producing a roll-clad aluminum workpiece, roll-clad aluminum workpiece, and use therefor - A method for producing a roll-clad aluminium workpiece and an associated roll-clad aluminium workpiece are provided, wherein a core ingot is produced from an aluminium alloy and at least one cladding piece is produced from a cladding material, wherein at least one groove is introduced into the core ingot and/or into a layer applied to the core ingot, wherein the cladding piece is inserted into the groove, and wherein the core ingot is hot-rolled after the cladding piece has been inserted, the width of the groove being equal to or less than the core ingot width. A use of such a roll-clad aluminium workpiece is also provided for producing a soldered workpiece, in particular a folding tube. | 12-31-2015 |
| 20150368771 | ALUMINIUM ALLOY FOR PRODUCING SEMI-FINISHED PRODUCTS OR COMPONENTS FOR MOTOR VEHICLES, METHOD FOR PRODUCING AN ALUMINIUM ALLOY STRIP FROM SAID ALUMINIUM ALLOY, AND ALUMINIUM ALLOY STRIP AND USES THEREFORE - An aluminium alloy for producing semi-finished products or components for motor vehicles is provided, wherein the alloying components of the aluminium alloy have the following contents in percent by weight: Fe≦0.80%, Si≦0.50%, 0.90%≦Mn≦1.50%, Mg≦0.25%, Cu≦0.125%, Cr≦0.05%, Ti≦0.05%, V≦0.05%, Zr≦0.05%, the remainder being aluminium, unavoidable impurity elements, individually <0.05%, in total <0.15%, and the combined content of Mg and Cu satisfies the following relation in percent by weight: 0.15%≦Mg+Cu≦0.25%, wherein the Mg content of the aluminium alloy is greater than the Cu content of the aluminium alloy. A method for producing an aluminium alloy strip from such an aluminium alloy and an aluminium alloy strip produced by this method are also provided, as well as uses thereof. | 12-24-2015 |
| 20150224556 | Aluminium composite material and forming method - The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength R | 08-13-2015 |
| 20150191811 | Method and apparatus for thermally treating an aluminium workpiece and aluminium workpiece - The invention relates to a method for thermally treating an aluminium workpiece, comprising the steps of providing an aluminium workpiece, which is essentially in the T | 07-09-2015 |
| 20150159251 | lntercrystalline corrosion-resistant aluminium alloy strip, and method for the production thereof - The invention relates to an aluminium alloy strip composed of an AA 5xxx-type aluminium alloy containing at least 4 wt. % of Mg in addition to Al and inevitable impurities. The object of the invention of proposing an aluminium alloy strip in an AlMg aluminium alloy strip which is resistant to intercrystalline corrosion despite having high strength and an Mg content of at least 4 wt. %, is achieved according to a first teaching of the present invention by an aluminium alloy strip that has a recrystallized microstructure, the grain size (GS) of which in μm has the following relation to the Mg content (c_Mg) in wt. %: | 06-11-2015 |
| 20150159250 | Highly formable and intercrystalline corrosion-resistant AIMg strip - The invention relates to a cold-rolled aluminium alloy strip made of an AlMg aluminium alloy as well as a method for producing the same. Furthermore, corresponding components made from said aluminium alloy strips are also proposed. The problem for the invention of providing a single-layer aluminium alloy strip that is sufficiently resistant to intercrystalline corrosion and is nevertheless very formable so that even large-area deep-drawn parts, e.g. interior parts of motor vehicle doors, can be made with sufficient strength, is solved by an aluminium alloy strip made of an AlMg aluminium alloy as described herein. | 06-11-2015 |
| 20150152537 | Aluminium alloy which is resistant to intercrystalline corrosion - The invention relates to an aluminium alloy, the use of an aluminium alloy strip or sheet and a method for producing an aluminium alloy strip or sheet. An aluminium alloy which has only a slight tendency towards intercrystalline corrosion and which at the same time provides high levels of strength and good deformability and which contains standard alloy components so that the recycling of the aluminium alloy is simplified is provided herein. | 06-04-2015 |
| 20150152535 | Method for manufacturing AlMgSi aluminium strip - The invention relates to a method for producing a strip made of an AlMgSi alloy, in which a rolling ingot made of an AlMgSi alloy is cast, the rolling ingot is subjected to homogenization, the rolling ingot having been brought to rolling temperature is hot-rolled and is optionally cold-rolled to the final thickness thereafter. The problem of providing an improved method for producing aluminum strip made of an AlMgSi alloy, with which AlMgSi strips having very good shaping behaviour can be produced reliably, is solved in that immediately after exit from the final rolling pass, the hot strip has a temperature of between more than 130° C., preferably 135° C., and at most 250° C., preferably at most 230° C., and the hot strip is wound up at this temperature. | 06-04-2015 |
| 20150053751 | Aluminium Composite Material for Fluxless Brazing - Use of an aluminium composite material consisting of at least one aluminium core alloy and at least one outer brazing layer consisting of an aluminium brazing alloy provided on one or both sides of the aluminium core alloy. Based on this prior art the object of the present invention is to provide a thermal joining process for an aluminium composite material, so that the use of fluxes can be dispensed with, this object being achieved in that the aluminium brazing layer of the aluminium composite material has a pickled surface and the aluminium composite material is used in a fluxless thermal joining process and the joining process is carried out in the presence of a protective gas. | 02-26-2015 |
| 20150050558 | Textured Current Collector Foil - The invention relates to a current collector foil for batteries, accumulators or capacitors, comprising a carrier material and at least one electrically conductive layer made from a metal. Moreover, the invention relates to a method for producing a corresponding current collector foil as well as to the advantageous use thereof. The object of providing a current collector foil for batteries, accumulators or capacitors, which is optimised in relation to the contact surface and the adhesive properties and which results in an improved service life, is achieved as a result of the fact that the at least one electrically conductive layer is produced at least partially by electrodepositing a metal and has a texture. | 02-19-2015 |
| 20140341678 | Aluminum Alloy Strip with Improved Surface Appearance and Method for Producing Same - The invention relates to an aluminum alloy strip with improved surface optics, which is fabricated via hot and/or cold rolling, and consists of a type AA 3xxx, AA 5xxx, AA 6xxx or AA 8xxx aluminum alloy. The object of proposing an aluminum alloy strip that is suitable for attractive and precious surface optics despite the elevated percentage of alloy constituents is achieved in that, after degreasing, the finish-rolled aluminum alloy strip exhibits an increase in the luminance value L*(ΔL) in relation to the rolled-greasy state of more than 5 while measuring the color of the surface in the CIE L*a*b* color space using a standard illuminant D65 and a normal observation angle of 10°, excluding direct reflection in 45°/0° geometry. | 11-20-2014 |
| 20140320992 | Edge-sealed mirror and a method for its manufacture - The invention relates to a mirror comprising a reflective surface formed from a composite of a reflective film and a substrate, wherein the reflective film is disposed on the substrate and comprises at least one polymer layer and a metal layer disposed underneath the at least one polymer layer. It is the requirement of the invention to propose a mirror which can be manufactured in a simple way and at the same time comprises an improved corrosion behaviour. According to a first teaching of the present invention the stated requirement is met in that a sealing seam is provided for corrosion protection at least in certain areas, the sealing seam being formed by bonding the polymer layer to the substrate in a material-locking manner, wherein the metal layer is interrupted in the area of the sealing seam. | 10-30-2014 |
| 20140193666 | Aluminium Composite Material with AlMgSi Core Layer - The invention relates to a strip consisting of an aluminum material for producing components with improved bending behavior and exacting shaping requirements, a method for producing the strip and the use of sheets produced from the strip according to the invention. The strip has a core layer of an AlMgSi alloy and at least one outer aluminum alloy layer arranged on one or both sides, made from a non-hardenable aluminum alloy, wherein the at least one outer aluminum layer has a lower tensile strength in the (T4) state than the AlMgSi layer, wherein the strip has a uniform strain (A | 07-10-2014 |
| 20140096375 | CHEMICALLY TREATED CURRENT COLLECTOR FOIL MADE OF ALUMINIUM OR AN ALUMINIUM ALLOY - The invention relates to a current collector foil made of aluminium or an aluminium alloy, to the use of the current collector foil for batteries or accumulators, in particular lithium-ion accumulators, and to a method for producing the current collector foil. The object of providing a current collector foil, which has very good properties with regard to conductivity and tensile strength, and which can also be produced economically, is achieved in that the current collector foil has an acid-pickled or alkali-pickled surface. | 04-10-2014 |
| 20140000469 | ALUMINIUM STRIP FOR LITHOGRAPHIC PRINTING PLATE CARRIERS COMPRISING WATER-BASED COATINGS | 01-02-2014 |
| 20130309513 | THERMALLY AND ELECTRICALLY HIGHLY CONDUCTIVE ALUMINIUM STRIP - The invention relates to a strip or foil ( | 11-21-2013 |
| 20130302643 | ALUMINIUM ALLOY FREE FROM SI PRIMARY PARTICLES - The invention relates to an aluminium alloy, and aluminium alloy product consisting at least in part of an aluminium alloy, an ingot formed from an aluminium alloy, and also a method for producing an aluminium alloy. An improved soldering process is achieved by an AlSi aluminium alloy that has the following proportions of alloy components in percentage by weight: | 11-14-2013 |
| 20130263749 | Litho Strip for Electrochemical Roughening and Method for its Manufacture - The invention relates to a litho sheet for electrochemical roughening, consisting of a rolled aluminium alloy, wherein the sheet surface has a topography with a maximum peak height Rp or Sp of not more than 1.4 [mu]m, preferably not more than 1.2 [mu]m, in particular not more than 1.0 [mu]m. The invention also relates to a method which is intended for producing a litho sheet and in the case of which a litho sheet consisting of an aluminium alloy is cold-rolled and in the case of which the litho sheet, following the final cold-rolling pass, is subjected to a degreasing treatment with a pickling step using an aqueous pickling medium. | 10-10-2013 |
| 20130247354 | Method for Manufacturing a Trough Mirror for Solar Through - The invention relates to a method for manufacturing a trough mirror for a solar trough, in particular longitudinal solar trough mirrors for solar power stations. One object is to provide a method for manufacturing a trough mirror for a solar trough mirror power station which reduces the costs for installing the solar power station. | 09-26-2013 |
