Patent application number | Description | Published |
20100050730 | METHOD OF MAKING TEMPERED SHAPED PART - A method of making a tempered part has the steps of first heating a metal blank to above a first predetermined temperature and then preshaping the heated blank while still above the first temperature. The preshaped blank is then reheated to a second tempering temperature, and the reheated blank is given its final shape while still above the second temperature in a press. The blank with its final shape is cooled below the second tempering temperature while still in the press. | 03-04-2010 |
20100199737 | Method for producing elongated, peripherally contoured shaped blanks from a metal strip - In the method for producing from a metal strip peripherally contoured, elongated shaped blanks ( | 08-12-2010 |
20100230997 | DOOR IMPACT BEAM - A door impact beam for a motor vehicle includes a formed metal sheet defined by a longitudinal axis and having a tubular cross section which has a closed circumference in a center portion of the metal sheet, and is configured with open circumference at both end portions of the metal sheet which adjoin the center portion in a direction of the longitudinal axis. Each end portion is defined by an opening angle which continuously increases from the center portion to respective ends of the end portions. | 09-16-2010 |
20100300584 | METHOD FOR PRODUCING A SHAPED COMPONENT HAVING AT LEAST TWO STRUCTURAL REGIONS OF DIFFERENT DUCTILITY - According to the method, a blank ( | 12-02-2010 |
20110232806 | SIDE RAIL - A side rail made of sheet steel includes a first region which underwent heat treatment, a second region which is not heat-treated, and a transition zone between the first and second regions. The transition zone is hereby defined by a width which is smaller than or equal to 50 mm. An additional component can be coupled to the side rail to form a side rail assembly. | 09-29-2011 |
20110232808 | METHOD FOR PRODUCING A MOTOR VEHICLE COMPONENT, AND A BODY COMPONENT - A method for producing a structural and/or safety-related motor vehicle component having at least one hot-formed and press-hardened part constructed from high-strength steel includes the steps of partially heat-treating a region of the motor vehicle component by heating the region to a heat-up temperature in a temperature range between 500° C. and 900° C.; maintaining the heat-up temperature for a duration of a holding time; and cooling down from the heat-up temperature in one or more phases. A body component constructed as a structural and/or safety-related motor vehicle component from a steel sheet blank that has been hot-formed and press-hardened includes joining flanges and/or coupling locations and/or safety-related parts, wherein the joining flanges, coupling locations and/or safety-related parts are partially heat-treated in several steps with the disclosed method. | 09-29-2011 |
20110233946 | CROSS MEMBER - A cross member made of sheet steel has a first region which underwent heat treatment, a second region which is not heat-treated, and a transition zone between the first and second regions. The transition zone is hereby defined by a width which is smaller than or equal to 50 mm. | 09-29-2011 |
20110233966 | AUTOMOBILE COLUMN - An automobile column, for example an A-column, a B-column, a C-column and/or a D-column, is made of sheet steel. The automobile column has a first region which underwent heat treatment, a second region which is not heat-treated, and a transition zone between the first and second regions. The transition zone is hereby defined by a width which is smaller than or equal to 50 mm. | 09-29-2011 |
20110233968 | TRANSMISSION TUNNEL - A transmission tunnel, in particular for installation in a motor vehicle body, is produced by hot-forming and press-hardening a sheet steel blank, and has a first region which underwent heat treatment, a second region which is not heat-treated, and a transition zone between the first and second regions. The transition zone is hereby defined by a width which is smaller than or equal to 50 mm. At least one component can be coupled to the transmission tunnel to form a floor assembly. | 09-29-2011 |
20110291431 | CRASH BOX, AND METHOD OF MAKING A CRASH BOX - A crash box for installation between a bumper crossbeam and a side rail of a motor vehicle is made from a longitudinal beam made of a steel alloy having the following composition in weight-%, 0.15 to 0.30% of carbon (C), 0.10 to 0.70% of silicon (Si), 1.00 to 2.50% of manganese (Mn), 0.10 to 0.50% of chromium (Cr), 0.02 to 0.05% of titanium (Ti), 0.001 to 0.005% of boron (B), 0.01 to 0.06% of aluminum (Al), up to 0.50% of molybdenum (Mo), max. 0.025% of phosphorus (P), max. 0.015% of sulfur (S), remainder iron (Fe) including impurities resulting from smelting. The longitudinal beam is hot-formed and press-hardened and then heat-treated at a temperature of 200° C. to 800° C., with a material of the longitudinal beam having a bend angle of greater than or equal to 60° after heat treatment and measured in accordance with DIN EN ISO 7438. | 12-01-2011 |
20120006089 | METHOD AND APPARATUS FOR HOT FORMING AND HARDENING A BLANK - A blank cut from a strip of hardenable hot-formed steel is heated in a furnace to a temperature which is smaller than an Ac | 01-12-2012 |
20120023748 | METHOD OF MAKING A SHAPED METAL PART FOR A MOTOR VEHICLE COMPONENT - In a method of making a shaped metal part for a motor vehicle component, a blank is made from a steel alloy containing, in weight percent: carbon (C) 0.18% to 0.3%, silicon (Si) 0.1% to 0.7%, manganese (Mn) 1.0% to 2.5%, phosphorus (P) maximal 0.025%, chromium (Cr) 0.1 to 0.8%, molybdenum (Mo) 0.1 to 0.5%, sulfur (S) maximal 0.01%, titanium (Ti) 0.02% to 0.05%, boron (B) 0.002% to 0.005%, aluminum (Al) 0.01% to 0.06%, balance iron and impurities resulting from smelting, The blank is heated to a temperature between 900° C. and 950° C., and formed in a press tool into a formed part which is quenched and tempered while still being in the press tool. At least one region of the formed part is then annealed to become soft by a heating operation within a time interval of less than 30 seconds to thereby provide the region with higher ductility. | 02-02-2012 |
20120060982 | METHOD OF PRODUCING PRESS-HARDENED STRUCTURAL PARTS - In a method, a blank of unhardened steel sheet is subjected in a press tool to a hot forming and press-hardening process to produce a structural part. After press-hardening, at least one linear zone of the structural part is heat treated in order to increase ductility and reduce strength in the linear zone in relation to adjacent regions of the structural part. After heat treatment, a bending or cutting operation is carried out on the structural part along the linear zone. | 03-15-2012 |
20120098280 | EXTENDIBLE STRUCTURAL PART FOR A MOTOR VEHICLE - A structural part for a motor vehicle includes an inner component having a generally rectangular cross section and configured in the form of a multichamber hollow section made of light metal, and an outer component having a generally rectangular cross section. The inner and outer components are movable in a telescoping manner relative to one another between an idle state and an activated state. A first locking mechanism is provided to lock the idle state and a second locking mechanism is provided to lock the activated state. The movement of the inner and outer components from the idle state to the activated state is hereby realized by an actuator. | 04-26-2012 |
20120103974 | TOOL AND METHOD FOR HEAT TREATING AT LEAST PART OF A METALLIC STRUCTURAL PART - A tool for local heat treatment of a metallic structural part includes a first inductor arranged above a first side of a region of the structural part undergoing local heat treatment at a first distance to the first side, and a second inductor arranged at a second side of the region in opposition to the first side. At least one of the first and second inductors has induction loops arranged in the shape of a meander. | 05-03-2012 |
20120174406 | METHOD AND PRODUCTION PLANT FOR MAKING COMPONENTS FOR A MOTOR VEHICLE - In a method of making a component for a motor vehicle, a metal part in the form of a plate, semifinished product, or a formed part, is heated in a fluidized bed of a fluidized bed furnace. The fluidized bed is being fluidized by a fluid, e.g. gas. Subsequently; the metal part is subjected to a forming, hardening or aging process. | 07-12-2012 |
20120192611 | METHOD FOR PRODUCING SHEET METAL PART AND A FORMING TOOL - In a method for producing a sheet metal part, a sheet metal blank is rolled to have at least two regions of different material thickness to define a thick region and a thin region, with a thickness profile of the sheet metal blank extending in substantial symmetric relationship to a central plane of the sheet metal blank. The sheet metal blank is inserted into a forming tool having a punch and a die and a punch-proximal side of the sheet metal blank is contacted with a pressing cam formed on the punch. The sheet metal blank is formed into the sheet metal part by pressing the punch against the die and thereby forming an embossment by a die cam provided on the die on a die-proximal side of the sheet metal part. | 08-02-2012 |
20120309247 | METHOD FOR THE PRODUCTION OF A HYBRID PART, AND COVER FOR USE IN THE PRODUCTION - In a method of making a hybrid part, a reinforcement element of fiber composite is placed upon a base member in a press tool. A strip-shaped cover having a resin absorbing absorbent layer is withdrawn from a supply unit and placed in the press tool between the reinforcement element and the press tool. As the base member and the reinforcement element are compressed with one another and joined any resin issuing out from the reinforcement element is absorbed by the absorbent layer of the cover and kept away from soiling the press tool or the base member. After the compression process, the cover is removed. | 12-06-2012 |
20120315592 | TIERED FURNACE - A tiered furnace includes a plurality of decks in superimposed disposition for receiving flat or at least partly shaped plates which are made of steel. Each of the decks has at least one heater to thereby provide each deck with at least two heating zones that are operating at different temperatures. | 12-13-2012 |
20130160906 | METHOD FOR PRODUCING A MOTOR VEHICLE COMPONENT AND MOTOR VEHICLE COMPONENT - A method for producing a motor vehicle component having two regions, with different strength is disclosed. A first one of the two regions has a high strength and a second one of the two regions has a higher ductility and lower strength relative to the first region. In a motor vehicle component produced with the method, the first region has a strength between 1400 and 1600 MPa at a breaking elongation A5>13% and the second region has a tensile strength between 950 and 1050 MPa at a breaking elongation A5>16%. | 06-27-2013 |