Class / Patent application number | Description | Number of patent applications / Date published |
072364000 | With temperature maintenance or modification | 34 |
20080295563 | Method for Delaying of Cooling and Hardening of Desired Zones of a Sheet During a Hot Metal Stamping Process - It is a die type which reduces the heat transfer from hot sheet to dies, cutting/piercing tools, and blank holder in necessary zones in the way process conditions require and can increase it in die hardening by heat treatment effect, contrary to the approach used for stamping of hot workpieces between cold dies. This die type has the capability of forming the sheet and making forming process by heat transfer in necessary zones simultaneously according to the properties of workpiece. | 12-04-2008 |
20090293574 | Artifical Graft Tubing - A method of making artificial graft tubing includes providing a helical mandrel having a centre line following a substantially helical path, and providing a generally tubular wall having a longitudinally extending cavity. The helical mandrel is positioned inside the tubular wall so that the longitudinally extending cavity has a centre line following a substantially helical path. The tubular wall is caused to retain, at least partly, the shape with the longitudinally extending helical cavity. Another method includes providing a mandrel having a substantially helical groove, and providing a generally tubular wall having a longitudinally extending cavity. The tubular wall is positioned at least partly in the groove so that the longitudinally extending cavity has a centre line following a substantially helical path, and the tubular wall is caused to retain, at least partly, the shape with the longitudinally extending helical cavity. | 12-03-2009 |
20090314049 | METHOD FOR PRODUCING PEARLITIC RAIL EXCELLENT IN WEAR RESISTANCE AND DUCTILITY - The invention provides a method for producing a pearlitic rail by subjecting to at least rough hot rolling and finish hot rolling a billet comprising, in mass %, C: 0.65-1.20%, Si: 0.05-2.00%, Mn: 0.05-2.00%, and a remainder of iron an unavoidable impurities, wherein the finish hot rolling is conducted by rolling at a rail head surface temperature in a range of not higher than 900° C. to not lower than Ar | 12-24-2009 |
20100005847 | Wire-Like Product with Composite Core and Process for Producing the Same - A wire-like product ( | 01-14-2010 |
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 |
20110179848 | NANOSTRUCTURED COMMERCIALLY PURE TITANIUM FOR BIOMEDICINE AND A METHOD FOR PRODUCING A ROD THEREFROM - Commercially pure titanium having UFG structure and enhanced mechanical and biomedical characteristics has nanocrystalline alpha-phase grains with a hexagonal close-packed lattice, in which the share of grains with a size of 0.1 . . . 0.5 μm and a grain shape coefficient of no more than 2 in the mutually perpendicular planes makes no less than 90%, over 60% of the grains having high-angle boundaries disoriented in relation to the adjacent grains by the angles from 15 to 90°. | 07-28-2011 |
20110214475 | 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, heating the blank in a furnace preheated to a temperature and during a time defined by diagram according to thickness, at a heating rate V | 09-08-2011 |
20110219843 | METAL PLATE MATERIAL HOT PRESS MOLDING APPARATUS AND HOT PRESS MOLDING METHOD - A metal plate material hot molding apparatus is provided for press molding a heated metal plate material. The apparatus may include supply piping for a cooling medium in a mold, and ejection holes penetrating from a molding surface of the mold to the supply piping. The exemplary apparatus may also include discharge piping for the cooling medium situated in the mold, and discharge holes penetrating from the molding surface of the mold to the discharge piping, and cooling piping. Molding procedure can be performed while the cooling medium is ejected from the ejection holes to a gap between the metal plate material and the mold. | 09-15-2011 |
20110232354 | METHOD AND APPARATUS FOR PRODUCING HARDENED FORMED PARTS - In a method of producing a hardened formed part, in particular for a structure or body part of a motor vehicle, a metal blank is heated and then hot formed in a cavity of a thermoforming mold to produce a formed part. The formed part is hardened in the cavity of the thermoforming mold through contact with a coolant fed into the cavity via feed channels, whereby a state of aggregation of the coolant is adjusted or the coolant is maintained at a pressure above the steam pressure. | 09-29-2011 |
20110252856 | HOT PRESS FORMING METHOD - A steel plate is heated so that an average temperature becomes Ac3 point or higher, a press forming is performed on the steel plate by use of a mold, and the steel plate is cooled during press forming. A formed product is removed from the mold, and the formed product is cooled further. In the hot press forming method, although a quantity of change in shape of the formed product decreases as a removal temperature of the formed product decreases. When the removal temperature of the formed product is lower than 322° C., no more improvement on an accuracy of the formed product can be realized, and a time during which the mold is occupied exclusively to cool the formed product becomes long. When the removal temperature of the formed product is 510° C. or lower, the rate of change of the quantity of change in shape with change in temperature is increased drastically, whereby an increase in accuracy of the formed product can be realized. Consequently, the removal temperature of the formed product is set to a temperature range from 322° C. or higher to 510° C. or lower. | 10-20-2011 |
20110252857 | METHOD FOR MAKING AN ANCHOR BOLT SLEEVE - A method for manufacturing an anchor bolt sleeve includes heat treating a steel blank, and cold working the steel blank into an anchor bolt sleeve subsequent to the heat treating, the anchor bolt sleeve being expandably receptive to a wedge of an anchor bolt. | 10-20-2011 |
20110271733 | METHOD FOR MANUFACTURING HIGH STRENGTH HOT ROLLED STEEL SHEET - A method for manufacturing a high strength hot rolled steel sheet includes heating a slab to a temperature in the range of 1150 to 1300° C.; hot rolling the slab with a finishing rolling temperature being in the range of 800 to 1000° C.; cooling the steel sheet at a mean cooling rate of 30° C./s or higher to a cooling termination temperature in the range of 525 to 625° C.; suspending cooling for a time period in the range of 3 to 10 seconds; cooling the steel sheet in such a manner that cooling of the steel sheet is nucleate boiling; and coiling the steel sheet at a temperature in the range of 400 to 550° C. | 11-10-2011 |
20120000265 | AUTOMATIC HEAT TREATMENT METHOD FOR METAL RING - Elastic metal rings are pushed between plural shelf members which have an opening, are provided parallel to each other in a vertical direction and are spaced a predetermined interval from each other, the opening having an inner periphery of which total sides are longer than a periphery of each elastic metal ring. Each of all the metal rings is deformed into an approximately polygonal shape, which allows all the metal rings to pass through the opening, from arrangement condition of the metal rings, and all the metal rings are pressed and held from insides thereof and are extracted from the opening. A heat treatment jig, which has the same opening as that of the shelf member and enables the metal rings to be mounted parallel to each other in a vertical direction and to be spaced the above predetermined interval from each other, is used. All the metal rings, which are held from the insides thereof in the arrangement condition, are inserted from the opening of the heat treatment jig into the heat treatment jig, all the metal rings are released from being held from the insides thereof, and all the metal rings are mounted in the heat treatment jig. The metal rings and the heat treatment jig are subjected to a heat treatment, and the metal rings are extracted from the shelf members. | 01-05-2012 |
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 |
20120073351 | PLATED STEEL SHEET AND METHOD OF HOT-STAMPING PLATED STEEL SHEET - In a plated steel sheet having an aluminum-plating layer comprising at least Al formed on one side or both sides of the steel sheet, there is provided a plated steel sheet which, owing to the presence of a surface coating layer containing a compound having wurtzite crystal structure on the aluminum-plating layer, has excellent lubricity, prevents the plating thickness from becoming uneven during heating, and can improve formability and productivity in hot stamping, and a method of hot-stamping the plated steel sheet. | 03-29-2012 |
20120125071 | CARBON MOLDS FOR USE IN THE FABRICATION OF BULK METALLIC GLASS PARTS AND MOLDS - Novel molds and methods for Bulk Metallic Glass (BMG) molding using carbon templates obtained from pyrolyzed materials are provided. The method employs the Carbon MEMS (C-MEMS) technique to derive molds of different geometries and dimensions. The resultant carbon structures are stable at very high temperatures and have sufficient mechanical strength to be used as master molds for the thermoplastic forming of BMGs. | 05-24-2012 |
20130000375 | METHOD AND APPARATUS FOR MANUFACTURING A BENT MEMBER - A bent member having excellent dimensional accuracy is manufactured by stably forming a high temperature portion uniformly in the circumferential direction of a steel tube and in a narrow region in the axial direction of the steel. The bent member is manufactured by supporting a steel tube at a first position while feeding it, performing induction heating of the steel tube at a second position with an induction heating coil, cooling the steel tube at a third position to form a high temperature portion which moves in the axial direction of the steel tube, and three-dimensionally varying the position of a gripping mechanism for the steel tube in a region to apply a bending moment to the high temperature portion. | 01-03-2013 |
20130074570 | CLAMP MECHANISM FOR HOT ROLLING MILLS SPLIT GUIDES, INCLUDING WATER BOXES AND EQUALIZATION TROUGHS - Rolling mill split box guides, including water cooling nozzle and equalization trough assemblies are retained by a clamping mechanism that includes a header support structure having opposed front and back sides, for support of the split box there between. A clamp arm has a first end pivotally coupled to one of the header sides and a pivotal range of motion across the header and split box to the other side thereof. A threaded screw or other biasing actuator is coupled to the other of the header sides, selectively engageable with the clamp arm, for exerting biasing force on the split box. | 03-28-2013 |
20130086967 | APPARATUS AND METHOD FOR MANUFACTURING IMPLANT USING AMORPHOUS ALLOY - Disclosed are an apparatus and a method for manufacturing an implant having a screw thread on an inner peripheral surface or an outer peripheral surface thereof by die-casting or pressing an amorphous alloy. The apparatus for manufacturing an implant using an amorphous alloy includes: a heating unit for heating a pre-form formed of an amorphous alloy into a semi-solid state; a forming unit for forming a screw thread in the heated pre-form by using a pressing mold; and a cooling unit for cooling the pre-form having the screw thread. | 04-11-2013 |
20130125606 | METHOD OF FORMING A COMPONENT OF COMPLEX SHAPE FROM SHEET MATERIAL - Method of forming a component of complex shape from an Al-alloy sheet or a Mg-alloy sheet. The method includes the steps of: a) heating the sheet to a temperature below the solution heat treatment (SHT) temperature for the alloy; b) forming the heated sheet between heated dies into or towards the complex shape; c) heating the sheet to at least its SHT temperature and substantially maintaining that temperature until SHT has been completed; and d) quenching the solution heat treated sheet between cold dies and at the same time completing the forming into the complex shape or maintaining that shape. | 05-23-2013 |
20130125607 | Method for producing a structural part from an iron-manganese steel sheet - In a method for producing a structural part from an iron-manganese-stell sheet ( | 05-23-2013 |
20130145811 | PROCESS FOR ADJUSTING THE RELATIVE POSITION OF A FIRST AND A SECOND PIECE OF A MECHANICAL ASSEMBLY - A process for adjusting a device including a first piece and at least one second piece, wherein the at least one second piece is fixed to the first piece by a joint made from a first material arranged between the first and second piece. The first material is an at least partially amorphous metal alloy. The process further includes: heating at least the joint to a heating temperature in a range of between a glass transition temperature and a crystallisation temperature of the first material; modifying a position of the at least one second piece until a desired determined position is obtained; cooling at least the joint so that it retains its at least partially amorphous state. | 06-13-2013 |
20130180305 | Method for Producing a Flat Steel Product which can be Readily Formed, Flat Steel Product and Method for Producing a Component from such a Flat Steel Product - A readily formable flat steel product has a ductile edge layer that is from 10 to 200 μm thick and has a ductility greater than a ductility of an inner core layer of the flat steel product. The readily formable flat steel product is produced by annealing a flat steel product having a C content of from 0.1 to 0.4% by weight in a continuous furnace. The annealing is carried out under an annealing atmosphere that contains from 0.1 to 25% by vol. of H | 07-18-2013 |
20130276506 | DIE LOCKING SYSTEM AND METHOD - A die locking device including a press having a top end, a bottom end and a plurality of channels disposed around a perimeter of the press. The device also includes a plurality of actuators, each of the plurality of actuators affixed to a first end of one of a plurality of locking arms that are each at least partially disposed in one of the plurality of channels. The device also includes a plurality of locking clips, each affixed to a second end of each of the plurality of locking arms and each affixed to one of a plurality of hinges. The plurality of hinges is configured to receive and secure a die stack to the top end of the press. | 10-24-2013 |
20130291616 | Hot stretch straightening of high strength age hardened metallic form and straightened age hardened metallic form - A method for straightening an age hardened metallic form includes heating an age hardened metallic form comprising one of a titanium alloy, a nickel alloy, an aluminum alloy, and a ferrous alloy to a straightening temperature of at least 25° F. below the age hardening temperature, and applying an elongation tensile stress for a time sufficient to elongate and straighten the form. The elongation tensile stress is at least 20% of the yield stress and not equal to or greater than the yield stress at the straightening temperature. The straightened form deviates from straight by no greater than 0.125 inch over any 5 foot length or shorter length. The straightened form is cooled while simultaneously applying a cooling tensile stress that balances the thermal cooling stress in the metallic form to thereby maintain a deviation from straight of no greater than 0.125 inch over any 5 foot length or shorter length. | 11-07-2013 |
20140102163 | FORMING OF METALLIC GLASS BY RAPID CAPACITOR DISCHARGE FORGING - A forging apparatus and method of uniformly heating, rheologically softening, and thermoplastically forming metallic glasses rapidly into a net shape using a rapid capacitor discharge forming (RCDF) tool are provided. The RCDF method utilizes the discharge of electrical energy stored in a capacitor to uniformly and rapidly heat a sample or charge of metallic glass alloy to a predetermined “process temperature” between the glass transition temperature of the amorphous material and the equilibrium melting point of the alloy in a time scale of several milliseconds or less. Once the sample is uniformly heated such that the entire sample block has a sufficiently low process viscosity it may be shaped into high quality amorphous bulk articles via forging in a time frame of less than 1 second. | 04-17-2014 |
20140102164 | METHOD AND APPARATUS RELATED TO JOINING DISSIMILAR METAL - A method of forming a dual alloy member for joining two dissimilar materials includes selecting a first material and a second material that is different from the first material, metallurgically combining the first and second materials, forming the first and second materials into a preform using a hot work metal working process, shaping the preform into using another metal working process, and machining the perform to obtain a predetermined shape. | 04-17-2014 |
20140130565 | LOW IMPEDANCE, LOW MODULUS WIRE CONFIGURATIONS FOR A MEDICAL DEVICE - Techniques are disclosed related to wires that may be used within a medical device. According to one example, a wire may include a core formed of a material having a resistivity of less than 25 micro-ohm-cm and a layer of a biocompatible beta titanium alloy surrounding the core. As one example, the beta titanium alloy has an elastic modulus ranging from 30 GigaPascals (GPa) to 90 GPa and comprises at least two elements from a group consisting of titanium, molybdenum, niobium, tantalum, zirconium, chromium, iron and tin. In one embodiment, the core may be formed of silver, tantalum, a tantalum alloy, niobium, a niobium alloy, platinum, a platinum alloy, palladium, or a palladium alloy. In some examples, one or more wires may be incorporated into a coil or a cable and one or more such coils or cables may be carried by a medical device such as a medical electrical lead. | 05-15-2014 |
20140144200 | HOT METAL SHEET FORMING OR STAMPING TOOLS WITH CR-SI-N COATINGS - The present invention discloses a CrSiN coated hot forming tool having enhanced wear resistance, oxidation resistance and adhesion wear resistance and thereby exhibiting a longer lifetime and better performance. The CrSiN coating is especially good to improve performance by hot metal sheet forming processes where the workpiece is an AlSi-coated metal sheet and/or a metal sheet with strength of 1,500 MPa or more. | 05-29-2014 |
20140260501 | METHOD FOR FORMING NON-RECTANGULAR SECTION RING FROM RECTANGULAR SECTION RING - A method for expanding a rectangular section ring to form a non-rectangular section ring. The method includes heating a rectangular section ring of an alloy to a temperature of between 1000 and 1020° C., preheating an expanding block to a temperature of between 260 and 320° C., nesting the inner circumferential surface of the rectangular section ring on the outer circumferential surface of the expanding block; enabling the expanding block to press the inner circumferential surface of the ring in the radial direction, expanding the inner and outer diameter of the rectangular section ring and decreasing the wall thickness thereof for deforming the rectangular section ring to yield a profiled ring billet, whereby finishing a first expanding; rotating the profiled ring billet for 45° along the central axis, whereby finishing a first rotation; and repeating the expanding process and the rotation to obtain a non-rectangular section ring. | 09-18-2014 |
20140311207 | THERMO-MECHANICAL PROCESS TO ENHANCE THE QUALITY OF GRAIN BOUNDARY NETWORKS IN METAL ALLOYS - Methods to enhance the quality of grain boundary networks are described. The process can result in the production of a metal including a relatively large fraction of special grain boundaries (e.g., a fraction of special grain boundaries of at least about 55%). | 10-23-2014 |
20150052964 | MACHINE AND METHOD FOR TREATING CAST COMPONENTS - A machine for cooling and truing cast components made from cast material, and includes a construction for holding cast components and a holder to supply cooling liquids. A method to treat a cast component after removal of the cast component from the casting mould, the cast component being loaded immediately with a cooling liquid in a water spray. | 02-26-2015 |
20160067947 | HOT-DIP GALVANNEALED STEEL SHEET FOR HOT STAMPING AND METHOD FOR MANUFACTURING STEEL PART - Provided is a hot-dip galvannealed steel sheet for hot stamping use, in which a base steel sheet contains Si in an amount of 0.7% or more, and which has excellent joint strength at a spot-welded part and can exhibit excellent adhesion to a coating film after hot stamping and coating with requiring little restriction of a hot stamp step. In the hot-dip galvannealed steel sheet, a base steel sheet contains, in mass %, 0.10 to 0.5% of C, 0.7 to 2.5% of Si, 1.5 to 3% of Mn and 0.01 to 0.5% of Al. The hot-dip galvannealed steel sheet is characterized in that the Mn concentration in a plating layer is 0.20% or more, the plated amount is 75 g/m | 03-10-2016 |
20160167100 | SYSTEMS AND METHODS FOR PROCESSING ALLOY INGOTS | 06-16-2016 |