Patents Assigned to Stahlwerk Ergste Westig GmbH
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Patent number: 8535462Abstract: The invention relates to a method for producing coated spring-loaded steel rails especially for windshield wipers comprising a rubber or elastomer wiper blade, wherein a cold-rolled steel rail blank is provided with a zinc layer, whereafter a zinc-containing anchor layer is produced, and a coating made of a polymerizable coating powder is deposited on the anchor layer and partially cured.Type: GrantFiled: February 18, 2009Date of Patent: September 17, 2013Assignee: Stahlwerk Ergste Westig GmbHInventors: Victor Castro, Oskar Pacher
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Patent number: 8007602Abstract: Spring element, in particular spring rail for wipers, in particular of motor vehicles, with a low tendency to vibrate or a high attenuation, made from a ferritic chromium steel comprising 0.03 to 0.12% of carbon, 0.2 to 0.9% of silicon, 0.3 to 1% of manganese, 13 to 20% of chromium, 0.1 to 2.0% of molybdenum, 0.05 to 1.0% of copper, 0.02 to 0.05% of nitrogen, less than 0.01% of titanium, 0.01 to 0.10% of niobium and 0.02 to 0.25% of vanadium, remainder iron.Type: GrantFiled: February 4, 2010Date of Patent: August 30, 2011Assignee: Stahlwerk Ergste Westig GmbHInventors: Oskar Pacher, Gisbert Kloss-Ulitzka, Victor Castro
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Publication number: 20110036478Abstract: The invention relates to a method for producing coated spring-loaded steel rails especially for windshield wipers comprising a rubber or elastomer wiper blade, wherein a cold-rolled steel rail blank is provided with a zinc layer, whereafter a zinc-containing anchor layer is produced, and a coating made of a polymerizable coating powder is deposited on the anchor layer and partially cured.Type: ApplicationFiled: February 18, 2009Publication date: February 17, 2011Applicant: Stahlwerk Ergste Westig GmbHInventors: Victor Castro, Oskar Pacher
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Publication number: 20100136357Abstract: A cold-formable, corrosion-resistant chrome steel includes, by weight percent, 14% to 20% chromium, 0.005% to 0.05% carbon, up to 0.01% nitrogen, 0.2% to 0.6% silicon, 0.3% to 1.0% manganese, 0.1% to 1.0% molybdenum, up to 0.8% nickel, 0.2% to 1.0% copper, 0.15% to 0.65% sulfur, as well as separately or in combination 0.01% to 0.1% lead, 0.01% to 0.5% bismuth, 0.01% to 0.1% arsenic, 0.01% to 0.1% antimony, 0.005% to 0.08% of each of vanadium, titanium, niobium, and zirconium, 0.02% to 0.2% of each of selenium and tellurium, the remainder iron and incidental smelting-related impurities.Type: ApplicationFiled: January 29, 2010Publication date: June 3, 2010Applicant: Stahlwerk Ergste Westig GmbHInventors: OSKAR PACHER, Gisbert Kloss-Ulitzka, Guido Nicolini
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Publication number: 20100132846Abstract: Spring element, in particular spring rail for wipers, in particular of motor vehicles, with a low tendency to vibrate or a high attenuation, made from a ferritic chromium steel comprising 0.03 to 0.12% of carbon, 0.2 to 0.9% of silicon, 0.3 to 1% of manganese, 13 to 20% of chromium, 0.1 to 2.0% of molybdenum, 0.05 to 1.0% of copper, 0.02 to 0.05% of nitrogen, less than 0.01% of titanium, 0.01 to 0.10% of niobium and 0.02 to 0.25% of vanadium, remainder iron.Type: ApplicationFiled: February 4, 2010Publication date: June 3, 2010Applicant: Stahlwerk Ergste Westig GmbHInventors: OSKAR PACHER, Gisbert Kloss-Ulitzka, Victor Castro
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Publication number: 20080073004Abstract: A ferritic chromium steel comprising, by weight-%, 0.03 to 0.1% of carbon, 0.2 to 0.9% of silicon, 0.3 to 1% of manganese, 13 to 20% of chromium, up to 0.5% of nickel, 0.1 to 1.5% of molybdenum, 0.1 to 0.5% of copper, 0.03 to 0.05% of nitrogen, less than 10 ppm of boron, up to 0.01% of titanium, 0.01 to 0.10% of niobium, 0.02 to 0.25% of vanadium and up to 0.002% of aluminum, remainder iron, is distinguished by a high corrosion resistance and is suitable as a material for cold-formed spring elements with improved spring properties and a high dimensional accuracy, in particular for leaf springs, spring rails for windscreen wipers and reed lamellae for textile machines, oil stripper rings for internal combustion engines and sealing lamellae for hydraulic installations.Type: ApplicationFiled: December 5, 2007Publication date: March 27, 2008Applicant: STAHLWERK ERGSTE WESTIG GMBHInventors: Oskar Pacher, Gisbert Kloss-Ulitzka
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Patent number: 7210388Abstract: A bimetal saw band which is suitable for cutting materials of high hardness and wear resistance at high cutting speeds and with a reduced consumption of coolant is disclosed. The saw band includes a support band with from 0.20 to 0.45% of carbon, from 0.2 to 0.6% of silicon, from 0.5 to 1.8% of manganese, from 0.1 to 3.5% of molybdenum, from 1.0 to 5.0% of chromium, from 0.5 to 1.5% of nickel, from 0.1 to 1.0% of copper, from 0.1 to 2.0% of tungsten, from 0.1 to 0.5% of vanadium, from 0.01 to 0.30% of niobium and/or tantalum and less than 0.2% of cobalt, and the remainder iron including melting-related impurities, with the tungsten, vanadium and niobium/tantalum contents matched to one another. The saw includes hardmetal tips including at least 75% of tungsten carbide and 5 to 15% of cobalt, as well as grain stabilizers with a grain size of less than 5 ?m.Type: GrantFiled: January 23, 2003Date of Patent: May 1, 2007Assignee: Stahlwerk Ergste Westig GmbHInventors: Oskar Pacher, Werner Lenoir
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Publication number: 20050217769Abstract: A cold-formable, corrosion-resistant chrome steel includes, by weight percent, 14% to 20% chromium, 0.005% to 0.05% carbon, up to 0.01% nitrogen, 0.2% to 0.6% silicon, 0.3% to 1.0% manganese, 0.1% to 1.0% molybdenum, up to 0.8% nickel, 0.2% to 1.0% copper, 0.15% to 0.65% sulfur, as well as separately or in combination 0.01% to 0.1% lead, 0.01% to 0.5% bismuth, 0.01% to 0.1% arsenic, 0.01% to 0.1% antimony, 0.005% to 0.08% of each of vanadium, titanium, niobium, and zirconium, 0.02% to 0.2% of each of selenium and tellurium, the remainder iron and incidental smelting-related impurities.Type: ApplicationFiled: February 2, 2005Publication date: October 6, 2005Applicant: STAHLWERK ERGSTE WESTIG GMBHInventors: Oskar Pacher, Gisbert Kloss-Ulitzka, Guido Nicolini
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Patent number: 6869692Abstract: Bimetal saw band comprising a support band of high microstructural stability and fatigue strength, comprising 0.25 to 0.35% of carbon, 0.3 to 0.5% of silicon, 0.8 to 1.5% of manganese, 1.0 to 2.0% of molybdenum, 1.5 to 3.5% of chromium, 0.5 to 1.5% of nickel, 0.5 to 2.5% of tungsten, 0.15 to 0.30% of vanadium, 0.05 to 0.10% of niobium, 0.05 to 1.0% of copper, up to 0.2% of aluminum, up to 1% of cobalt, remainder iron including melting-related impurities, and tooth tips made from a steel with high wear resistance, comprising 1.0 to 2.0% of carbon, 3 to 6% of chromium, 1 to 5% of vanadium, 3 to 10% of molybdenum, 4 to 10% of tungsten, 4 to 10% of cobalt, up to 1% of silicon, up to 1% of manganese, up to 0.5% of niobium, up to 0.5% of nitrogen, remainder iron including melting-related impurities.Type: GrantFiled: February 6, 2003Date of Patent: March 22, 2005Assignee: Stahlwerk Ergste Westig GmbHInventors: Oskar Pacher, Werner Lenoir
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Patent number: 6770243Abstract: A chromium steel alloy having 0.4 to 0.75% of carbon, 0.4 to 1.6% of manganese, 12 to 19% of chromium, up to 0.2% of nickel, up to 0.7% of silicon, 0.5 to 1.5% of molybdenum, up to 1.5% of tungsten, 0.05 to 0.3% of vanadium and (% Ti/% Nb), 0.02 to 0.15% of sulfur, up to 0.1% of nitrogen and up to 0.008% of boron, remainder iron including smelting-related impurities. This steel alloy is distinguished by good processability, resistance to corrosion, resistance to abrasion, a high resistance to heat up to 300° C. and above, and a high rigidity.Type: GrantFiled: July 17, 2002Date of Patent: August 3, 2004Assignee: Stahlwerk Ergste Westig GmbHInventors: Gisbert Kloss-Ulitzka, Gunter Schnabel, Oskar Pacher
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Publication number: 20030006583Abstract: A gliding edge profile for winter sports equipment, such as7 for example, skis, snowboards and sledges, includes two component parts connected at an angle to one another along their longitudinal edges. The component parts are made of different materials to suit their properties to the stress at hand and can be joined together by laser beam welding, electron-beam welding or plasma jet welding so as to hardened and/or tempered at least in the area of the welding seam.Type: ApplicationFiled: May 16, 2002Publication date: January 9, 2003Applicant: STAHLWERK ERGSTE WESTIG GMBHInventor: Laszlo Rozsnoki
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Patent number: 6363827Abstract: In a method of producing saw bands and saw blades with improved dimensional and setting stability, a supporting band (2) with 0.2 to 0.6% carbon, 0.5 to 6.0% chromium and up to 3.5% tungsten, molybdenum and vanadium—individually or in addition to one another—the remainder being iron, is welded to a cutting band (3) of a high-speed steel and the weld (4) is thereby adjusted to a ratio of its average width to the thickness of the band or blade of 0.30 to 0.9.Type: GrantFiled: July 26, 2000Date of Patent: April 2, 2002Assignee: Stahlwerk Ergste Westig GmbHInventors: Heinz-Jürgen Osing, Werner Lenoir, Christoph Jänsch, Laszlo Rozsnoki, Oskar Pacher
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Patent number: 6235237Abstract: A chromium steel alloy with 0.2 to 0.65% of carbon, 12.0 to 20.0% of chromium, 0.3 to 5.0% of molybdenum, 0.02 to 0.4% of nitrogen, up to 2% of manganese, up to 1.4% of silicon, up to 2% of nickel, up to 0.5% of copper, up to 0.2% of vanadium and/or niobium and up to 0.1% of aluminum, the remainder being iron including impurities resulting from smelting, is suitable as a material for gliding elements of sports equipment, in particular winter sports equipment.Type: GrantFiled: February 25, 1999Date of Patent: May 22, 2001Assignee: Stahlwerk Ergste Westig GmbHInventors: Heinz Jurgen Osing, Klaus Peter Rittinghaus, Gisbert Kloss-Ulitzka