Patents by Inventor Jochen Hasenclever
Jochen Hasenclever has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11326232Abstract: 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.Type: GrantFiled: April 21, 2017Date of Patent: May 10, 2022Assignee: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Henk-Jan Brinkman, Jochen Hasenclever, Christoph Settele, Gerd Steinhoff
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Patent number: 10927437Abstract: 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 percent: 0.4%<Fe?1.0%, 0.3%<Mg?1.0%, 0.05%?Si?0.25%, Mn?0.25%, Cu?0.04%, Ti<0.1%, the remainder being Al and unavoidable impurities, individually at most 0.05% and totaling at most 0.05%.Type: GrantFiled: May 20, 2011Date of Patent: February 23, 2021Assignee: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Jochen Hasenclever, Henk-Jan Brinkman, Gerd Steinhoff, Christoph Settele
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Patent number: 10696040Abstract: Provided is a method for production of an aluminium strip for lithographic printing plate supports from an aluminium alloy including (in wt %): 0.05%?Si?0.25%, 0.2%?Fe?1%, Cu max. 400 ppm, Mn?0.30%, 0.10%?Mg?0.50%, Cr?100 ppm, Zn?500 ppm, Ti<0.030%, the remainder aluminium and unavoidable impurities individually at most 0.03%, in total at most 0.15%. In the method, a rolling ingot is cast from an aluminium alloy, and the rolling ingot is homogenised. Further, the rolling ingot is hot rolled to a hot strip final thickness, and the hot strip is cold rolled to final thickness of between 0.1 mm and 0.5 mm. The product of the relative final thicknesses of the aluminium strip after the first and after the second cold rolling pass of the aluminium strip is 15% to 24%.Type: GrantFiled: October 19, 2018Date of Patent: June 30, 2020Assignee: Hydro Aluminium Rolled Products GmbHInventors: Christoph Settele, Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff
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Publication number: 20190047279Abstract: Provided is a method for production of an aluminium strip for lithographic printing plate supports from an aluminium alloy including (in wt %): 0.05%?Si?0.25%, 0.2%?Fe?1%, Cu max. 400 ppm, Mn?0.30%, 0.10%?Mg?0.50%, Cr?100 ppm, Zn?500 ppm, Ti<0.030%, the remainder aluminium and unavoidable impurities individually at most 0.03%, in total at most 0.15%. In the method, a rolling ingot is cast from an aluminium alloy, and the rolling ingot is homogenised. Further, the rolling ingot is hot rolled to a hot strip final thickness, and the hot strip is cold rolled to final thickness of between 0.1 mm and 0.5 mm. The product of the relative final thicknesses of the aluminium strip after the first and after the second cold rolling pass of the aluminium strip is 15% to 24%.Type: ApplicationFiled: October 19, 2018Publication date: February 14, 2019Applicant: Hydro Aluminium Rolled Products GmbHInventors: Christoph Settele, Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff
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Publication number: 20170253952Abstract: 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.Type: ApplicationFiled: April 21, 2017Publication date: September 7, 2017Applicant: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Henk-Jan Brinkman, Jochen Hasenclever, Christoph Settele, Gerd Steinhoff
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Patent number: 8857332Abstract: The invention relates to an aluminum alloy strip for the production of printing plate carriers comprising water-based coatings, wherein the aluminum alloy strip has a thickness of at most 0.5 mm. The object is to propose an aluminum alloy strip for the production of printing plate carriers comprising at least one water-based coating so that punctiform coating faults are prevented. The object is achieved for an aluminum alloy strip in that the aluminum alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 mm.Type: GrantFiled: August 29, 2013Date of Patent: October 14, 2014Assignee: Hydro Aluminium Rolled Products GmbHInventors: Stefan Knabben, Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff, Werner Droste, Katrin Kuhnke
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Publication number: 20140000469Abstract: The invention relates to an aluminium alloy strip for the production of printing plate carriers comprising water-based coatings, wherein the aluminium alloy strip has a thickness of at most 0.5 mm. The object is to propose an aluminium alloy strip for the production of printing plate carriers comprising at least one water-based coating so that punctiform coating faults are prevented. The object is achieved for an aluminium alloy strip in that the aluminium alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 mm.Type: ApplicationFiled: August 29, 2013Publication date: January 2, 2014Applicant: Hydro Aluminium Rolled Products GmbHInventors: Stefan Knabben, Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff, Werner Droste, Katrin Kuhnke
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Publication number: 20120094103Abstract: 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: 0.2%?Fe?0.5%, 0.41%?Mg?0.7%, 0.05%?Si?0.25%, 0.31%?Mn?0.6%, Cu?0.04%, Ti<0.1%, Zn?0.1%, Cr?0.1%, the rest being Al and unavoidable impurities, each in an amount of 0.05% at most to give a total of 0.15% at most.Type: ApplicationFiled: October 21, 2011Publication date: April 19, 2012Applicant: HYDRO ALUMINIUM DEUTSCHLAND GMBHInventors: Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff, Christoph Settele
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Publication number: 20120073711Abstract: 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: Fe<0.4%, 0.41%?Mg?0.7%, 0.05%?Si?0.25%, 0.1%?Mn?0.6%, Cu?0.04%, Ti<0.1%, Zn?0.1%, Cr?0.1%, the rest being Al and unavoidable impurities, each in an amount of 0.05% at most to give a total of 0.15% at most.Type: ApplicationFiled: October 21, 2011Publication date: March 29, 2012Applicant: HYDRO ALUMINIUM DEUTSCHLAND GMBHInventors: Bernhard Kernig, Jochen Hasenclever, Gerd Steinhoff, Christoph Settele
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Publication number: 20110290381Abstract: 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: 0.4%<Fe?1.0%, 0.3%<Mg?1.0%, 0.05%?Si?0.25%, Mn?0.25%, Cu?0.04%, Ti?0.1%, the remainder being Al and unavoidable impurities, individually at most 0.05% and totaling at most 0.05%.Type: ApplicationFiled: May 20, 2011Publication date: December 1, 2011Applicant: HYDRO ALUMINIUM DEUTSCHLAND GMBHInventors: Bernhard Kernig, Jochen Hasenclever, Henk-Jan Brinkman, Gerd Steinhoff, Christoph Settele
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Publication number: 20110039121Abstract: 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.Type: ApplicationFiled: November 24, 2008Publication date: February 17, 2011Applicant: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Henk-Jan Brinkman, Jochen Hasenclever, Christoph Settele, Gerd Steinhoff
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Publication number: 20050139296Abstract: The invention relates to an aluminium alloy for manufacturing rollform products comprising the following alloy constituent in weight percentages: ?0.1 ? Si ? 0.5 0.15 ? Fe ? 0.5 0.05 ? Cu ? 0.25 ?0.8 ? Mn ? 1.4 ?0.4 ? Mg ? 1.3 others in sum maximum 0.15, individually maximum 0.05, rest Al. Said aluminium alloy ensures the manufacture of rollform products with high stability in thin metal thicknesses.Type: ApplicationFiled: November 21, 2002Publication date: June 30, 2005Inventors: Reiner Markert, Jochen Hasenclever
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Patent number: 5116428Abstract: Novel aluminum alloy composition and process for producing aluminum rolled semifinished strip material having a grain structure with grain diameters less than about 11 um, and having less than about 5 vol. % of rod shaped intermetallic phases. The present process comprises the steps of homogenizing rolling ingots of the present alloys, hot-rolling and the cold-rolling the ingots without intermediate annealing, and finally annealing the cold-rolled bars having a thickness between about 40 and 250 um.Type: GrantFiled: March 7, 1991Date of Patent: May 26, 1992Assignee: Vereingte Aluminum-Werke AktiengesellschaftInventor: Jochen Hasenclever
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Patent number: 5080728Abstract: Production of a thin aluminum alloy strip containing iron, manganese and silicon by hot rolling and cold rolling with a subsequent final annealing, includes the steps of (a) producing a bar by a continuous casting process, from 0.7-1.15% by weight Fe; 0.5-2.0% by weight Mn; and less than 0.6% by weight Si; as well as impurities, none of which exceeds 0.03% by weight, the remainder of the bar being aluminum; (b) homogenizing the bar for 2 to 20 hours at a temperature from 620.degree. to 480.degree. C., after which the bar is (c) hot rolled in a usual manner to a final thickness of 4 mm; then (d) cold rolled without intermediate annealing to a final thickness of 40 to 250 microns; and (e) annealing the cold-rolled strip for 1 to 6 hours at a temperature of 250.degree. to 400.degree. C. The alloy produced has a sub-grain structure, with an average 10 grain diameter of 0.5 to 5 microns, the subgrains constituting at least 50% of the total structure.Type: GrantFiled: April 23, 1990Date of Patent: January 14, 1992Assignee: Vereinigte Aluminium-Werke AktiengellschaftInventor: Jochen Hasenclever
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Patent number: 5019188Abstract: Novel aluminum alloy composition and process for producing aluminum rolled semifinished strip material having a grain structure with grain diameters less than about 15 .mu.m, and having less than about 5 vol. % of rod shaped intermetallic phases. The present process comprises the steps of homogenizing rolling ingots of the present alloys, hot-rolling and then cold-rolling the ingots without intermediate annealing, and finally annealing the cold-rolled bars having a thickness between about 40 and 250 .mu.m.Type: GrantFiled: April 20, 1990Date of Patent: May 28, 1991Assignee: Vereingte Aluminum-Werke AktiengesellschaftInventor: Jochen Hasenclever