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| Number | Title | Issue Date |
| 8066829 | Process for manufacturing stamped products, and stamped products prepared from the same The invention relates to a process for making a hot stamped coated steel sheet product, comprising the steps of pre-coating a steel strip or sheet with aluminium- or aluminium alloy, cutting said pre-coated steel strip or sheet to obtain a pre-coated steel blank, he... | 11/29/2011 |
| 7429302 | Stainless steel sheet for welded structural components and method for making the same A structural hot-rolled or cold-rolled stainless steel sheet having improved intergranular corrosion resistance and toughness at the welding heat affected zone and further having low strength and high elongation. The composition of the steel sheet contains less than... | 09/30/2008 |
| 7399372 | Method for manufacturing metallic bellows A metallic bellows, composed of precipitation hardening stainless steel, includes ridge portions and valley portions formed alternately and continuously, an average grain size of 10 to 15 μm, and compressive residual stress of not less than 500 MPa provided to at l... | 07/15/2008 |
| 7143514 | Method for manufacturing a vehicular body panel A vehicular body panel or component part having a reinforcing backing plate reconciled or joined to a part of a blank material at a position wherein a bending formation is implemented. The backing plate has one or more apertures formed in at least one lateral row at... | 12/05/2006 |
| 7077920 | Method of making coated steel part with regions of different ductility A workpiece having regions of different ductility is made by first coating opposite faces of a flat sheet-metal workpiece of low ductility and then stripping the coating from the faces in one region of the workpiece while leaving the coating on the faces in another ... | 07/18/2006 |
| 6982011 | Method for producing improved cold-rolled strip that is capable of being deep-drawn or ironed, and cold-rolled strip, preferably used for producing cylindrical containers and, in particular, battery containers The invention relates to a method for producing improved cold-rolled band that is capable of being deep-drawn or ironed and that has a carbon content of less than 0.5 weight %. The invention also relates to a cold-rolled band that can be produced by such a method, a... | 01/03/2006 |
| 6953627 | Method for the production of thin-walled steel components and components produced therefrom A process for the production of thin walled parts of steel, wherein there are layers that are at least partly differently treatable relating to their strength and hardness qualities. This process can include creating a composite material from a plurality of differen... | 10/11/2005 |
| 6949299 | Spray formed articles made of boron steel The present invention relates to a method of spray forming a boron steel metal article, and to the formed article. In at least one embodiment, the method comprises (a) providing a spray forming pattern, (b) spraying metallic particles onto the spray forming pattern,... | 09/27/2005 |
| 6911268 | High strength hot-dip galvanized or galvannealed steel sheet having improved plating adhesion and press formability and process for producing the same Disclosed are a high strength hot-dip galvanized or galvannealed steel sheet, which has improved press formability and plating adhesion and is useful as a member for automobile, building, electric or other members, and a process for producing the same. This h... | 06/28/2005 |
| 6902829 | Coated steel alloy product A high strength dual phase cold rolled steel having controlled amounts of carbon, manganese, and molybdenum is used as a starting material in a hot-dip zinc coating process to manufacture a high strength dual phase cold rolled steel having a conventional galvanized ... | 06/07/2005 |
| 6887590 | Galvannealed metal sheet and method for manufacture of such metal sheet The present invention relates to a method for the manufacture of galvannealed metal sheet, wherein a hot strip is produced from an IF steel containing 0.01 to 0.1 wt. % silicon, wherein the hot strip is coiled at a coiler temperature no lower than 700° C. and no hi... | 05/03/2005 |
| 6866942 | Press-forming tailored blank material excellent in formability and production method therefor There is provided a tailored blank article for press forming, the article having an excellent formability and comprising multiple different plates of different thickness, which can evade a break of a low strength plate (or low-thickness plate) due to strength rate-d... | 03/15/2005 |
| 6815087 | Aluminum-coated structural member and production method An aluminum-coated structural member includes an Al—Si—Fe alloy layer formed on a steel substrate layer. The alloy layer includes a softer region having a hardness smaller than or equal to a hardness of the steel substrate layer, extends from the surface of the ... | 11/09/2004 |
| 6740178 | Method for producing a sintered honeycomb body A method for producing a metallic honeycomb configuration is described. The method includes forming a honeycomb body by stacking and/or winding layers of steel sheet containing chromium and aluminum resulting in the honeycomb body having channels through which a flu... | 05/25/2004 |
| 6699592 | Galvannealed steel sheet and method for manufacturing the same The invention provides a galvannealed steel sheet which has an oxide layer having 10 nm or larger thickness on the plateau of the coating layer flattened by temper rolling. With the use of the galvannealed steel sheet, no powdering occurs during press-for... | 03/02/2004 |
| 6641931 | Method of production of cold-rolled metal coated steel products, and the products obtained, having a low yield ratio The present invention aims to produce a cold rolled metal coated multi-phase steel, characterized by a tensile strength of at least 500 MPa, a yield ratio (Re/Rm) lower than 0.65 in skinned conditions, lower than 0.60 in unskinned conditions, and with goo... | 11/04/2003 |
| 6635313 | Method for coating a steel alloy A method of coating dual phase high strength cold rolled steel having controlled amounts of carbon, manganese, and molybdenum is used as a starting material in a galvanizing/galvannealing process. Conditions in a multi-zone furnace of the galvanizing line... | 10/21/2003 |
| 6582835 | Coated ferrite stainless steel sheet usable in the automobile exhaust sector Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight: 10.5%ࣘchromiumࣘ20% 0%ࣘaluminumࣘ0.6% 0.003%ࣘcarbonࣘ0.06% 0.003%ࣘnitrogenࣘ... | 06/24/2003 |
| 6517955 | High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof The invention relates to a high strength hot-dip galvanized and galvannealed steel sheets with excellent drawability for press forming and excellent plating adhesion that is useful as a member for automobiles, construction, electric devices and the like, ... | 02/11/2003 |
| 6517954 | Aluminium alloy, notably for a layer The invention relates to an aluminium alloy, in particular for a layer of a friction bearing, for example, which, apart from aluminium and smelt-related impurities, additionally contains soft-phase formers, e.g. Sn, Pb, Bi, Sb or similar. The alloy contai... | 02/11/2003 |
| 6506503 | Friction bearing having an intermediate layer, notably binding layer, made of an alloy on aluminium basis The invention relates to an intermediate layer, in particular a bonding layer, made from an alloy with an aluminium base, for multi-layered materials with layers of differing composition, in particular friction bearings. The alloy contains added quantitie... | 01/14/2003 |
| 6454884 | Method of manufacturing a vehicle structural beam A vehicle structural beam, such as a door intrusion beam, which possesses an elongate tubular beam part which at opposite ends is provided with mounting flanges for securement to a vehicle frame. The elongate tubular beam part and the flanges provided at ... | 09/24/2002 |
| 6440584 | Hot-dip galvanized steel sheet and method for producing the same A hot-dip galvanized steel sheet is produced by rough rolling a steel, finish rolling the rough rolled steel at a temperature of Ar3 point or more, coiling the finish rolled steel at a temperature of 700° C. or less, and hot-dip galvanizing the coiled st... | 08/27/2002 |
| 6436556 | Method for producing a strip-like metal composite by high temperature dip coating The invention relates to a method and a device for the production of a strip-like metallic composite material by the high-temperature dip coating of a metallic carrier strip, consisting of a metallurgic vessel for receiving the liquid depositing material,... | 08/20/2002 |
| 6423426 | High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof A steel sheet having a composition comprising C: 0.05-0.20 mass %, Si: 0.3-1.8 mass %, Mn: 1.0-3.0 mass %, Fe of the balance and inevitable impurities is subjected to a primary step of primary heat treatment and subsequent rapid cooling to Ms point or low... | 07/23/2002 |
| 6406800 | Bent pipe for passing therethrough a material containing solids A bent pipe for use in piping arrangement for transporting materials conaining solids, the bent pipe being prepared by subjecting to high-frequency bending work a straight blank pipe prepared by centrifugal casting and having a plurality of layers. The st... | 06/18/2002 |
| 6379473 | Method of manufacturing laminated ring using molten salt composition A laminated ring for use as a belt in transmitting power in a continuously variable transmission is produced by welding opposite ends of a sheet of maraging steel to produce a plurality of rings, and rolling said rings to a predetermined length. The rings... | 04/30/2002 |
| 6372062 | Process for the production of a metal sheet having a fine composite structure and a metal sheet obtained thereby A process for the production of a metal sheet having a multi-layered structure and a fine composite structure, which process comprises stacking at least two kinds of thin sheets selected from thin sheets of pure metals and thin sheets of alloys alternately so ... | 04/16/2002 |
| 6368728 | Galvannealed steel sheet and manufacturing method Galvannealed steel sheet and method, made by applying hot-dip galvanizing to a steel sheet, heating at a heating rate of at least about 10° C./second to a maximum sheet temperature within a range of from about 470 to 550° C., and applying an alloying tr... | 04/09/2002 |
| 6329079 | Lined alloy tubing and process for manufacturing the same A tube for a cracker unit in which ethylene is produced withstands, without oxidizing or losing its strength, the elevated temperatures required to effect cracking, yet retards coking. The tube has a shell formed from stainless steel or high nickel alloy ... | 12/11/2001 |
| 6322642 | Process and steel for the manufacture of a pressure vessel working in the presence hydrogen sulfide Process for manufacturing a pressure vessel intended to work under pressure between -40° C. and 200° C. in the presence of H2 S under conditions defined by the NACE MR 0175-97 standard, in which: components of the vessel are manufactured from... | 11/27/2001 |
| 6316122 | Titanium fiber and method of producing the same A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subje... | 11/13/2001 |
| 6312834 | Clad material and method of manufacturing the material The present invention, which is aimed at providing a method for manufacturing a clad material that can be used for the anode cases and cathode cases of button-type microbatteries and other miniature electronic devices requiring the use of comparatively th... | 11/06/2001 |
| 6224691 | Process for the production of a honeycomb body formed of sheet metal layers of at least partly laminated structure A honeycomb body is produced in which metal sheets are stacked and/or wound in a layered configuration. The metal sheets are suitably structured so as to form passages through which a fluid can flow. At least a part of the sheet layers initially comprises... | 05/01/2001 |
| 6153028 | Process and device for producing thin metal bars A device and a process for producing thin steel metal bars in which an elongated metal product is brought into contact with a molten metal causing the latter to crystallize. Different materials are used for the elongated metal product and the molten metal... | 11/28/2000 |
| 6153027 | Method of manufacturing battery can-forming plate, battery can-forming plate manufactured by method A method of manufacturing a battery can-forming material, comprising the steps of spreading metal powder on a hot-rolled steel plate (hot coil) or applying said metal powder in the form of paste to a surface thereof; annealing and then rolling the hot-rol... | 11/28/2000 |
| 6143099 | Process for the production of a brazed honeycomb body using sheets of a layer-like configuration A process for the production of a brazed honeycomb body with sheets having a layer-like configuration, includes stacking and/or winding sheet metal layers at least partially having a structure for forming passages through which a fluid can flow. At least ... | 11/07/2000 |
| 6106637 | Ready-to-use metal wire and method for producing same A ready-to-use metal wire comprising microalloyed steel with a structure almost entirely made up of a cold-hammered annealed martensite is disclosed. The wire diameter is of at least 0.10 mm and at most 0.50 mm, and the ultimate tensile strength of the wi... | 08/22/2000 |
| 6086689 | Process for manufacturing a foil of ferritic stainless steel having a high aluminum content, aluminum-containing ferritic stainless steel, and catalyst support useful for a motor-vehicle exhaust Process for manufacturing a foil of ferritic stainless steel having a high aluminum content, which can be used in particular for a catalyst support in a motor-vehicle exhaust, wherein a ferritic stainless steel sheet of the following composition: 0.005% | 07/11/2000 |
| 6074500 | Method for producing a metal component made up of two partial elements A method for producing a metal component which is made up of at least two partial elements with differing material properties is distinguished in that a first partial element made of a steel material, which can be tempered, is preassembled in a recess in ... | 06/13/2000 |
