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| Number | Title | Issue Date |
| 7293687 | Apparatus for manufacturing tubes An apparatus (1) for manufacturing tubes made from thin-walled material, especially made from sheet metal, with a welding machine for longitudinal-seam welding, as well as with a clamping device (2), which has clamping jaws, which are arranged on oppos... | 11/13/2007 |
| 7290424 | Push bench method for manufacturing small diameter tubing The present invention involves cost effective, efficient systems and methods for sizing pipe. In an embodiment of the present invention, a pipe sizing system includes a die having an opening operable to size the pipe, a hydraulic cylinder having at least one rod att... | 11/06/2007 |
| 7286893 | Tailoring residual stress and hardness during direct metal deposition In a direct-metal deposition (DMD) process used to deposit successive layers in accordance with instructions from a CAD/CAM program, the laser beam, or an additional beam, is deployed as a localized heat treatment tool instead of a deposition tool. The use of laser ... | 10/23/2007 |
| 7226669 | High strength aluminium alloy brazing sheet, brazed assembly and method for producing same The present invention a high strength aluminium alloy brazing sheet, comprising an Al—Zn core layer and at least one clad layer, the core layer including the following composition (in weight percent): ... | 06/05/2007 |
| 7192551 | Inductive heating process control of continuous cast metallic sheets An apparatus for rolling of a powder metallurgical metallic workpiece is provided having a feeding device, a first induction heating apparatus in operable communication with a first RF generator and at least a first hot rolling mill. A process control device monitor... | 03/20/2007 |
| 7034247 | Apparatus for handling sheet metal workpieces to be welded An apparatus for handling a pair of sheet metal workpieces to be welded is provided that includes a first workpiece holder, a second workpiece holder, at least one backing element, and at least one squeeze roller. The first and second workpiece holders are positione... | 04/25/2006 |
| 6976617 | Uninterrupted continuous rolling of bar and rod products Discrete billets are rolled through a plurality of roll stands arranged along a rolling mill pass line to produce successive product lengths having reduced cross sections and front and tail ends. At a selected location along the pass line, the tail end of each produ... | 12/20/2005 |
| 6955287 | Method of bonding metal plates, apparatus therefor and hot strip mill An upper shearing blade equipped with a protrusion of a triangle-columnar shape and a lower shearing blade equipped with a protrusion of the same shape are applied onto the overlapped portion of metal plates to be bonded, and then pressed into the metal plates in an... | 10/18/2005 |
| 6921583 | Al-Cu bonded structure and method for making the same With an Al—Cu bonded structure, an Ag layer can be remained at the Al—Cu bonding interlayer providing ductile deformation behavior and a tensile strength at the bonded interlayer similar to that of the Al base material. This results in superior bonding character... | 07/26/2005 |
| 6743396 | Method for producing AlMn strips or sheets The present invention relates to a method for producing AlMn strips or sheets for producing components by soldering, wherein a precursor material is produced from a melt which contains (in weight-percent) Si: 0.3-1.2%, Fe: ≦0.5%, Cu: ≦0.1%, Mn: 1.0-1.8%, Mg: ≦... | 06/01/2004 |
| 6722002 | Method of producing Ti brazing strips or foils A method for producing titanium alloy brazing strips and the resulting brazing strips and/or foils. The method uses a cold-rolling process without annealing to generate a titanium based multi-layer alloy strip or foil made up of discrete layers of titanium and an ad... | 04/20/2004 |
| 6648207 | Method for applying self-fluxing coatings to non-cylindrical ferritic objects This disclosure describes a technique for fusing self-fluxing metallic coatings on non-cylindrical objects without the need to conduct the fuse operation in a vacuum furnace or some other type of protective environment. The technique consists of first app... | 11/18/2003 |
| 6613167 | Process to improve 6XXX alloys by reducing altered density sites A process for improving 6XXX alloys, such as 6013, preferably includes heating, hot rolling, inter-rolling thermal treatment at a very high temperature such as 1020° F. or more, again hot rolling (with or without subsequent continuous hot rolling or cold... | 09/02/2003 |
| 6527160 | Method of producing metal composites which can be processed at high temperatures A method whereby a composite clad metal ingot can be produced for onward processing at higher temperatures which are sufficient to allow the properties of the substrate material to be adequately controlled to meet specific requirements. These higher tempe... | 03/04/2003 |
| 6513699 | Process for the production of metal pipes A process for the production of metal pipes is described in which a thin-walled metal band inclined toward cold spots is gradually formed into a slotted pipe, the longitudinal edges lying flush against one another are welded to one another, and the welded... | 02/04/2003 |
| 6443352 | Electrical resistance based object consolidation Resistance heating, preferably with applied pressure, is used to consolidate incremental volumes of material to produce a desired object in accordance with a description thereof. The joining of the material increments may occur in the solid state, liquid ... | 09/03/2002 |
| 6402010 | Method and plant for the rolling of a continuous billet fed from a billet-heating furnace set upstream of a roll train The invention regards a method for rolling a continuous billet (15) fed from a billet-heating furnace (10) set upstream of a roll train, in which, between the furnace (10) and a first stand (11) of the roll train is provided an operation of welding, durin... | 06/11/2002 |
| 6401323 | Method of producing welded Cu and Cu alloy pipes A process for producing welded pipes, from Cu and Cu alloys in a combined production line, having a casting installation for raw materials, a hot-rolling mill, a pipe-shaping and welding section and a drawing device for the welded pipe. The process has th... | 06/11/2002 |
| 6375059 | Method for smoothing steel pipe seam portion A method and apparatus for smoothing a thick walled portion of a steel pipe produced by pressure-welding two opposite longitudinal edges of an open pipe with a squeeze roll after being subjected to induction heating. Outer and inner reduction rollers pres... | 04/23/2002 |
| 6371358 | Method and plant for rolling multiple billets fed from a billet-heating furnace set upstream of a roll train The invention regards a method for rolling billets fed from a billet-heating furnace (10) set upstream of a roll train, in which, between the furnace (10) and a first stand (11) of the roll train is provided a space for transfer of the billets coming out ... | 04/16/2002 |
| 6345756 | Defectively joined portion removal apparatus for use in a continuous hot rolling process The invention comprises a continuous hot rolling method in which a rear end portion of a preceding metal block and a fore end portion of a succeeding metal block are cut and the metal blocks are joined to each other by heating and pressing followed by a f... | 02/12/2002 |
| 6344117 | Backing plate for sputtering A backing plate 1 for sputtering is constituted by a base portion 2 comprising a plate member made of aluminum or its alloy, a surface of which is attached with a target T of an ITO sintered body or the like and a cooling portion 3 in a flat plate shape h... | 02/05/2002 |
| 6340108 | Hot rolling method and equipment Assuming that the processes of joining, rolling, coiling, etc. of a material is evaluated by a preset speed pattern after the extraction from a heating furnace, the required time is predicted and calculated for both of a preceding material and a following... | 01/22/2002 |
| 6296170 | Method of producing metal composites which can be processed at high temperatures A method whereby a composite clad metal ingot can be produced for onward processing at higher temperatures which are sufficient to allow the properties of the substrate material to be adequately controlled to meet specified requirements. These higher temp... | 10/02/2001 |
| 6288361 | Method and device for joining flat products to be connected such that they overlap The invention relates to the joining of flat products of metallic materials to be interconnected overlapping. The joining takes place in a roll nip into which the flat products to be interconnected are introduced at an acute angle. Before they are pressed... | 09/11/2001 |
| 6196440 | Method and tool for imprinting a pattern in a solder A tool (40) for imprinting a pattern in a has a handle (42). A stamp (44), connected to the handle (42), has a pattern (54) formed on a face (52) of the stamp (44). The face (52) of the stamp (44) forms a concave surface.... | 03/06/2001 |
| 6189763 | Rolled plate joining apparatus and continuous hot rolling apparatus equipped with the same There is provided a rolled plate joining apparatus equipped with a truck that can travel reversibly in the rolling direction, tailing end pinch rolls that are mounted on the truck and can be moved vertically with the tailing end of a preceding rolled plat... | 02/20/2001 |
| 6152352 | Continuous hot rolling method of metal blocks, as well as a metal block joining apparatus, a table roller for conveying the metal blocks, a poor joined portion removing apparatus and a metal block cooling apparatus which are used to carry out said method The invention comprises a continuous hot rolling method in which a rear end portion of a preceding metal block and a fore end portion of a succeeding metal block are cut and the metal blocks are joined to each other by heng and pressing followed by a f... | 11/28/2000 |
| 6135343 | Method for roll forming and machine and blank for this Method for the fabrication of cones of sheet material where the blank includes two curved edges that are circular and have the radius R and r respectively and a common center C. The blank further has two straight lateral edges which are angled in relation... | 10/24/2000 |
| 6089441 | Method and apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line A plurality of materials are rolled in an upstream stand. While the transfer speed of a succeeding material and the front end position thereof are detected, the transfer speed and the rear end position of a preceding material are detected by a measuring r... | 07/18/2000 |
| 6068177 | Continuous hot rolling method A continuous hot rolling method including the steps of: cutting the tail portion of a preceding material in a steel product and the front portion of a succeeding material in the steel product to form butt faces; previously determining the thickness of sca... | 05/30/2000 |
| 6015080 | Method of manufacturing clad metal plates A method of manufacturing clad metal plate products by assembling in a stacked array a bottom base plate, a first cladding plate, a second cladding plate and a top base plate, with a separator compound layer between the first and second cladding plates. T... | 01/18/2000 |
| 5957367 | Continuous rolling method of billet and apparatus therefor A continuous rolling method includes the steps of: flash-butt welding a rear end of a preceding billet with a front end of a succeeding billet; grinding the welded portion to remove a burr on the welded portion; heating the continuous billet; and rolling ... | 09/28/1999 |
| 5951903 | Method and apparatus for joining metal pieces According to the invention, the rear end of a preceding metal piece and a front end of a succeeding metal piece are heated, pressed and joined prior to the finishing hot rolling. An alternating magnetic field running through the metal pieces in the thickn... | 09/14/1999 |
| 5931370 | Method to weld billets leaving a furnace and a rolling line adopting the method Method is for welding billets leaving a heating furnace in a rolling line, the line including, in the segment (10) between the heating furnace (11) and the first rolling stand, at least a drawing unit (14), a rollerway to transport the billets, a movable ... | 08/03/1999 |
| 5871138 | Method and apparatus for continuous finishing hot-rolling a steel strip A method and apparatus for continuously finishing hot-rolling steel strips include partially joining a rear end of a preceding steel strip and a leading end of a succeeding steel strip after the strips have passed through a rough hot-rolling step. The joi... | 02/16/1999 |
| 5868299 | Method and apparatus for maintaining seam alignment in seam welded tubes The invention comprises a method and apparatus for maintaining seam alignment in seam welded tubes comprising the tube being formed to be advanced through a shaping station after seam welding and prior to the cooling of tube wherein the tube is preformed ... | 02/09/1999 |
| 5753894 | Hot rolling method for continuously joining metal blocks and an apparatus for the same The invention comprises a continuous hot rolling method in which a rear end portion of a preceding metal block and a fore end portion of a succeeding metal block are cut and the metal blocks are joined to each other by heating and pressing followed by a f... | 05/19/1998 |
| 5661113 | Near net shape processing of continuous lengths of superconducting wire A system and method for mechanically forming a ceramic superconductor product. A system for making the ceramic superconductor includes a metallic channel portion having a cross section for receiving a ceramic superconductor powder, a roll to mechanically ... | 08/26/1997 |
| 5560236 | Method of rolling and cutting endless hot-rolled steel strip In a rolling and cutting method for an endless hot-rolled steel strip comprising continuous hot rolling and joining rough-rolled slabs to each other with a joint having a boundary between slabs, subjecting the joined rough-rolled strip continuously to hot... | 10/01/1996 |
