| Hydro Aluminium Deutschland GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120100987 | SORBENT-COATED ALUMINIUM STRIP - The invention relates to a method for producing an aluminium strip, in which the aluminium strip is coated with a sorption layer which has a binder and a sorbent. The object to propose a method for producing an aluminium strip coated with a sorption layer, by means of which an aluminium strip can be coated cost-effectively having constant performance characteristics with respect to the sorption of, for example, water vapour, is achieved according to the invention by means of a method for producing an aluminium strip coated with a sorption layer by applying a suspension to the aluminium strip in the coil-coating process, which in addition to a liquid comprises at least one binder, formed as a solid, and a sorbent, and by subjecting the aluminium strip, together with the applied suspension, to a drying process, in which the binder is activated. | 04-26-2012 |
| 20120094103 | MANGANESE-RICH AND MAGNESIUM-RICH ALUMINIUM STRIP - The invention relates to an aluminium alloy for producing lithographic printing plate supports. The object of providing an aluminium alloy and an aluminium strip made of an aluminium alloy which make it possible to produce printing plate supports having improved flexural fatigue strength transverse to the rolling direction and having improved heat resistance, without impairing roughening properties, is achieved for an aluminium alloy in that the aluminium alloy contains the following alloy components in percent by weight: | 04-19-2012 |
| 20120073711 | MANGANESE-RICH AND HIGHLY MAGNESIUM-RICH ALUMINIUM STRIP - The invention relates to an aluminium alloy for producing lithographic printing plate supports as well as an aluminium strip produced from the aluminium alloy, and a method for producing the aluminium strip and use thereof to produce lithographic printing plate supports. These objects are achieved in that the aluminium alloy contains the following alloy components in % by weight: | 03-29-2012 |
| 20120064293 | EXTRUSION-COATED STRIP FOR RIGID PACKAGINGS - The invention relates to a method for producing a coated aluminium strip, in which the aluminium strip is unwound from a coil and fed into a unilateral or bilateral extrusion coating arrangement, the aluminium strip is extrusion coated with a thermoplastic polymer and after being extrusion coated, the aluminium strip is reheated to a metal temperature above the melting point of the thermoplastic polymer. The object of providing a method for producing an aluminium strip by which an extrusion-coated aluminium strip can be produced which can be processed at high processing speeds in follow-on composite tools is achieved in that the unilateral or bilateral plastics material coating of the aluminium strip is textured, after being reheated, using rolls which have a superficial structure. | 03-15-2012 |
| 20110290381 | Aluminium Strip for Lithographic Printing Plate Supports With High Flexural Fatigue Strength - The invention relates to an aluminium alloy for the production of lithographic printing plate supports and also to an aluminium strip produced from the aluminium alloy, a process for the production of the aluminium strip and also its use for the production of lithographic printing plate supports. The object of providing an aluminium alloy as well as an aluminium strip from an aluminium alloy that permits the production of printing plate supports having improved bending-strength fatigue transverse to the rolling direction without adversely affecting the tensile strength values before and after the annealing process and while preserving the roughening properties, is achieved by the fact that the aluminium alloy contains the following alloy components in weight per cent:
| 12-01-2011 |
| 20110183154 | Method for Producing a Strip for Packaging Purposes - A method for producing a strip consisting of aluminum or an aluminum alloy for packaging purposes, in particular for cans, can lids or can closures, which provides an individualized aluminum strip for packaging purposes, with which decorative or identification elements can be reliably embossed without additional production steps being required, for example at the producer of the packaging means, is achieved in that decorative or other identification elements are embossed into the strip in the last rolling pass of cold rolling and in that the strip thickness is greater in the area of the decorative and identification elements than in the remaining areas of the strip. | 07-28-2011 |
| 20110042050 | Composition Having a Corrosion Protection Layer and Process for the Production Thereof - A composite material can include a carrier material that is coated, at least over part of the surface, with a corrosion protection layer made of an aluminum alloy. The composite material can provide a defined, effective, durable corrosion protection and simultaneously have a high recycling potential. The aluminum alloy of the corrosion protection layer can have the following composition in % by weight: | 02-24-2011 |
| 20110039121 | Aluminum strip for lithographic printing plate carriers and the production thereof - A method for producing aluminum strips for lithographic printing plate supports, wherein the aluminum strip is produced from a rolling ingot, which after optional homogenizing is hot-rolled to a thickness of 2 mm to 7 mm and cold-rolled to a final thickness of 0.15 mm to 0.5 mm provides for an aluminum strip having a thickness of 0.15 mm to 0.5 mm and a printing plate support produced from the aluminum strip. | 02-17-2011 |
| 20100015369 | Method for producing a container from aluminum sheets - A method for producing a container from sheets of aluminum or an aluminum alloy, wherein the surfaces of the aluminum sheets are at least partly visible on the finished container includes partly prefabricating the container by working and/or joining the aluminum sheets, and subsequently subjecting the entire, at least prefabricated container to surface processing by mechanical blasting. | 01-21-2010 |
| 20090324994 | Aluminum strip used for lithographic printing plate supports - A strip for the production of a substrate for lithographic printing plates consisting of aluminum or an aluminum alloy and has at least to some extent a microcrystalline surface layer as a result of hot and/or cold roll passes. When analyzed in a two-dimensional microprobe analysis according to the mapping method of a surface region of the microcrystalline surface of the strip, the surface portion having an intensity ratio I/I | 12-31-2009 |
| 20090220376 | Aluminum alloy free from aluminum carbide - An aluminum alloy for producing an aluminum strip for lithographic print plate carriers, a method for producing an aluminum alloy for lithographic print plate carriers, in which, during the production of the aluminum alloy, after the electrolysis of the aluminum oxide, the liquid aluminum, up to the casting of the aluminum alloy, is supplied to a plurality of purification steps, as well as an aluminum strip for lithographic print plate carriers and a corresponding use of the aluminum strip for lithographic print plate carriers include a carbide content of less than 10 ppm, and preferably less than 1 ppm. As a result, the aluminum alloy, the method for producing the aluminum alloy, the aluminum strip, and corresponding use of the aluminum strip for lithographic print plate carriers described herein allow for the use of virtually gas-tight coatings. | 09-03-2009 |
| 20090209444 | Instrument for cleaning and aluminum workpiece - A method of conditioning the surface of a work piece, in particular of a litho-strip or litho-sheet, consisting of an aluminum alloy enables an increase in manufacturing speed in surface roughening while maintaining a high quality of the electro-chemical grained surface of the work piece with relative low effort related to facility equipment. The method of conditioning comprises at least the step of degreasing the surface of the work piece with a degreasing medium, wherein the degreasing medium contains at least 1.5 to 3% by weight of a composite of 5-40% sodium tripolyphosphate, 3-10% sodium gluconate, 3-8% of a composite of non-ionic and anionic surfactants and optionally 0.5 to 70% soda, wherein sodium hydroxide is added to the degreasing medium such that the concentration of sodium hydroxide in the aqueous degreasing medium is 0.01 to 5% by weight. | 08-20-2009 |
| 20090016928 | Aluminum strip for lithographic printing plate supports - An aluminum strip for lithographic printing plate supports, from which printing plate supports can be produced with an improved roughenability and at the same time improved mechanical properties, particularly after a burn-in process, is formed of an aluminum alloy which has the following proportions of alloy constituents in wt. %: 0.05%≦Mg≦0.3%, 0.008%≦Mn≦0.3%, 0.4%≦Fe≦1%, 0.05%≦Si≦0.5%, Cu≦0.04%, Ti≦0.04%, inevitable impurities individually max. 0.01%, in total max. 0.05% and remainder Al. | 01-15-2009 |
| 20080227029 | Conditioning of a Litho Strip - A method of conditioning the surface of a work piece, particularly of a strip or sheet, more particularly of a lithostrip or lithosheet, including an aluminium alloy is provided. The method for conditioning the surface of a work piece and a work piece including an aluminium alloy enabling an increasing manufacturing speed in electro-chemically graining and maintaining at the same time a high quality of the grained surface, includes a conditioning method which comprises at least the two steps, degreasing the surface of the work piece with a degreasing medium and subsequently cleaning the surface of the work piece by pickling. | 09-18-2008 |
