Patents by Inventor Gerd Steinhoff
Gerd Steinhoff 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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Patent number: 9914318Abstract: 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.Type: GrantFiled: October 19, 2006Date of Patent: March 13, 2018Assignee: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Henk-Jan Brinkman, Arve Sund, 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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Publication number: 20170204512Abstract: The invention relates to a method for burning in a coating of an aluminium or an aluminium alloy printing plate support, in the case of which the printing plate is heated to a burning in temperature, maintained at this temperature for a predefined duration and subsequently cooled. Deformations can be minimised even further after the burning in process if at least in a temperature range between 150° C. and the burning in temperature, preferably 100° C. and the burning in temperature, the temperature differences of the metal temperature of the printing plate measured along a line in the longitudinal direction of the printing plate during the heating and cooling are maximum 40° C. over a length of 40 cm and the temperature differences of the metal temperature of the printing plate measured along a line perpendicular to the longitudinal direction are less than 10° C. during the heating and cooling.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Applicant: Hydro Aluminium Rolled Products GmbHInventors: Gerd Steinhoff, Stefan Neumann
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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: 20090016928Abstract: 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.Type: ApplicationFiled: October 19, 2006Publication date: January 15, 2009Applicant: Hydro Aluminium Deutschland GmbHInventors: Bernhard Kernig, Henk-Jan Brinkman, Arve Sund, Gerd Steinhoff