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| Number | Title | Issue Date |
| 7371988 | Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ In one embodiment, the present invention provides a method for welding together two metal pieces, comprising buttering a surface of a first metal piece with a first nickel-based filler metal at a thickness sufficient to isolate a heat-affected zone in the first meta... | 05/13/2008 |
| 7357060 | Vehicle armor A vehicle is armored the steps of sequentially making a steel plate with a thickness of 4 mm to 15 mm of by weight | 04/15/2008 |
| 7258754 | Method of fabricating a bare aluminum conductor A method of fabricating a bare aluminum electrical conductor including a step of heat treating the conductor while wound on a winding form. The method comprises the step of coating the outer surface of the aluminum conductor with an inorganic powder material prior t... | 08/21/2007 |
| 7254977 | Coolant delivery system and continuous fabrication apparatus which includes the system A system for delivering a coolant fluid to a workpiece has a reservoir for retaining the fluid, a pump for delivering fluid from the reservoir, a supply line in communication with the workpiece and a diverter valve. A bypass line is in communication with the diverte... | 08/14/2007 |
| 7235209 | Apparatus for heat treatment of structural body parts in the automobile industry Apparatus for heat-treating an elongate structural body part made from a blank compressed while being soft or from steel strip of hardenable 22 Mn B5 mod. steel sheet with a thickness of 1 mm to 3 mm, includes an apparatus for positioning the structural body part in... | 06/26/2007 |
| 7204494 | Split stabilizer and process for establishing a toothed connection of the outer rotary part to one of the two stabilizer parts A connection of the stabilizer parts of a two-part stabilizer to an actuator is usually performed in a positive-locking manner, as a result of which an additional axial securing and hydraulic sealing toward the outside become necessary. To simplify the design and th... | 04/17/2007 |
| 7182393 | Low-profile high-strength vehicle door beam A vehicle door beam of relatively small profile and high strength. The door beam is fabricated from a web and includes a beam portion and brackets extending from opposite ends of the beam portion. The beam portion includes two lateral portions of the web rolled inwa... | 02/27/2007 |
| 7115176 | Production process and production line for manufacturing articles from hardenable metal materials In a method of manufacturing articles (8) in hardenable metal materials, a shaped workpiece (5.1, 5.2) with closed cross-section is hardened. The hardened workpiece (5.1, 5.2) is separated into at least two parts, where each part constitutes one... | 10/03/2006 |
| 7097742 | Door for a vehicle A vehicle door body outer panel includes a lower frame arranged in a lower portion of the door body, extending in the longitudinal direction of the vehicle, an outside plate forming a surface of the vehicle body outside the lower frame, and an inside plate folded ba... | 08/29/2006 |
| 7086686 | Side impact beam A side impact beam for incorporation into the structure of a motor vehicle comprises a sheet metal profile with flaring end portions and two longitudinal beads extending along the sheet metal profile and wherein the end portions that are provided with cross beads th... | 08/08/2006 |
| 7066525 | Wishbone shaped vehicle bumper beam A bumper beam and method of manufacture which includes roll-forming the bumper beam with a constant longitudinal cross section, and then reforming the roll-formed beam to form a tubular bumper beam having a constant area. The bumper beam area is designed to incorpor... | 06/27/2006 |
| 7055886 | Low-profile high-strength vehicle door beam A vehicle door beam of relatively small profile and high strength. The door beam is fabricated from a web and includes a beam portion and brackets extending from opposite ends of the beam portion. The beam portion includes two lateral portions of the web rolled inwa... | 06/06/2006 |
| 7048811 | Electric resistance-welded steel pipe for hollow stabilizer The present invention provides an electric resistance welded steel pipe for a hollow stabilizer excellent in workability, which steel pipe contains, in mass, 0.20 to 0.35% of C, 0.10 to 0.50% of Si, 0.30 to 1.00% of Mn, 0.01 to 0.10% of Al, 0.10 to 1.00% of Cr, 0.00... | 05/23/2006 |
| 7028519 | High throughput quick-plastic-forming A method of quick-plastic-forming a component from a sheet metal blank in multiple forming stages of single-action tooling along a transfer line. The blank is transferred from a prebending station to a preforming station along the transfer line, wherein the blank is... | 04/18/2006 |
| 7024897 | Method of forming a tubular blank into a structural component and die therefor A method of forming an elongated metal blank into a structural component having a predetermined outer configuration. The method includes providing a shape imparting cavity or shell section formed from a rigid material which includes an inner surface defining the pre... | 04/11/2006 |
| 7003996 | Method of forming a tubular blank into a structural component and die therefor A method of forming an elongated tubular blank into a tubular structural component having a predetermined outer configuration, the method comprising: providing a shape imparting shell formed from a low permeability, rigid material which includes an inner surface def... | 02/28/2006 |
| 7004004 | Method of making a hardened motor-vehicle part of complex shape A hardened steel part of complex shape is made from a workpiece by first heating the workpiece to an annealing temperature. Then, while the workpiece is still at the annealing temperature, the workpiece is rapidly deformed by a machine into an intermediate shape. Th... | 02/28/2006 |
| 6921444 | Method of locally heating a part to reduce strength and increase ductility for subsequent manufacturing operation A method of performing manufacturing operations on a workpiece made of a high strength alloy is disclosed in which a local area of a workpiece is heated to micro-structurally soften the local area. The local area of the workpiece becomes softened and more ductile. A... | 07/26/2005 |
| 6891139 | Heat treatment apparatus, heat treatment method, medium on which heat treatment program is recorded, and steel product A heat treatment apparatus includes a plurality of induction heating devices which heat a steel product, a correctional device which corrects the steel product, a computing device which computes supply predetermined electric power which is supplied to the induction ... | 05/10/2005 |
| 6613164 | Method of forming a tubular blank into a structural component and die therefor A method of forming an elongated tubular blank into a tubular structural component having a predetermined outer configuration, the method comprising: providing a shape imparting shell formed from a low permeability, rigid material which includes an inner ... | 09/02/2003 |
| 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 |
| 6375895 | Hardfacing alloy, methods, and products Disclosed is a hardfacing alloy capable of withstanding abrasion of the order of silicious earth particles and weldable in crack free state on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial... | 04/23/2002 |
| 6322645 | Method of forming a tubular blank into a structural component and die therefor A method of forming an elongated tubular blank into a tubular structural component having a predetermined outer configuration, the method comprising: providing a shape imparting shell formed from a low permeability, rigid material which includes an inner ... | 11/27/2001 |
| 6042659 | Method of coating the seams of a welded tube An improved method of coating the welded seam of a metal tube comprising heating the weld area only of the metal tube to a first temperature which is less than the melting temperature of the protective metal coating, applying the protective metal coating ... | 03/28/2000 |
| 5900079 | Method for producing a steel pipe using a high density energy beam A method of producing a welded steel pipe which comprises: (a) forming a steel strip having two edges in a cylindrical form so that the two edges face each other; (b) preheating the two edges of the steel strip to a temperature of a melting point or less ... | 05/04/1999 |
| 5620536 | Manufacture of zirconium cladding tube with internal liner A method of manufacturing nuclear fuel elements which include fuel rods whose cladding tubes are provided with an internal liner layer to obtain PCT resistance in the nuclear fuel element involves carefully choosing parameters for heat treatment of the in... | 04/15/1997 |
| 5487795 | Method for heat treating an impact beam of automotive vehicle door and a system of the same A method and a system for heat treating an impact beam of an automotive vehicle door. Hot rolled steel sheets are prepared having a composition consisting essentially of 0.18% to 0.22% carbon; 1.0 to 1.5% manganese; 0.15 to 0.4% silicon; not more than 0.0... | 01/30/1996 |
| 5437747 | Method of fabricating zircalloy tubing having high resistance to crack propagation In a zirconium-alloy fuel element cladding, a method for generating regions of coarse and fine intermetallic precipitates across the cladding wall is provided. The method includes steps of specific heat treatments and anneals that coarsen precipitates in ... | 08/01/1995 |
| 5417780 | Process for improving corrosion resistance of zirconium or zirconium alloy barrier cladding A method for fabricating a composite cladding comprised of a moderate-purity metal barrier of zirconium metallurgically bonded on the inside surface of a zirconium alloy tube which improves corrosion resistance. The improved corrosion resistance of the li... | 05/23/1995 |
| 5332454 | Titanium or titanium based alloy corrosion resistant tubing from welded stock A method of manufacturing corrosion resistant tubing from seam welded stock of a titanium or titanium alloy metallic material having a hexagonal close-packed crystal structure. The method includes cold pilgering a seam welded tube hollow having a weld are... | 07/26/1994 |
| 5226981 | Method of manufacturing corrosion resistant tubing from welded stock of titanium or titanium base alloy A method of manufacturing corrosion resistant tubing from seam welded stock of a titanium or titanium alloy metallic material having a hexagonal close-packed crystal structure. The method includes cold pilgering a seam welded tube hollow having a weld are... | 07/13/1993 |
| 5192376 | Process for producing automobile body reinforcing steel pipe An automobile body reinforcing steel pipe having a wall thickness-to-outer diameter ratio, t/D, defined by: 0.09-4.8×10-5 ×Lࣘt/Dࣘ0.16-6.0×10-5 ×L where L(mm) is a span of a bending load applied to the pipe. The pipe has a ten... | 03/09/1993 |
| 5157232 | Method and apparatus for inductively heating asymmetrically shaped workpieces Metal workpieces having portions of different mass are sequentially stepped through a series of induction heating units having differently contoured inductors for inductively heating the workpiece portions of different mass so as to progressively elevate ... | 10/20/1992 |
| 5140118 | Metal tube induction annealing method and apparatus A metal tube induction annealing apparatus employs an induction heating enclosure having an elongated glass tube encircled by an electromagnetic coil of an induction heating system which provides an induction annealing chamber for receiving a hollow metal... | 08/18/1992 |
| 5037490 | Process for allowing pretreatment of assembled camshaft components A process for allowing pretreatment of components for an assembled camshaft in the course of whose production drive elements are attached in a force-locking way to a tube through plastic expension of individual tube portions while exceeding the limit of e... | 08/06/1991 |
| 4975128 | Method for heat-treating straight bead welded pipes A method for welding and heat treating straight bead welded pipes made of austenitic, ferritic or austenitic-ferritic rust-resistant steel includes welding a straight bead on a pipe forming a welding seam region, a heat affected zone and a remaining regio... | 12/04/1990 |
| 4807801 | Method of ameliorating the residual stresses in metallic duplex tubes and the like and apparatus therefor A method of ameliorating the residual stresses in a metallic duplex tube and the like and an apparatus therefor, wherein the duplex tube includes a main tube defining the outer tube, and a thermal sleeve defining the inner tube which is inserted to the ou... | 02/28/1989 |
| 4772336 | Method of improving residual stress in circumferential weld zone A method for improving residual stress in a circumferential weld zone of a piping and the like which includes preventing deformation of the weld zone, and causing a local expansion or contraction of a portion of the piping axially spaced from the weld zon... | 09/20/1988 |
| 4766664 | Process for formation of high strength aluminum ladder structures An improved process by which heavy duty aluminum ladder rungs are easily manufactured with the central stepping portion of the rung itself possessing qualities of exceptionally high yield strength, while the ends of the ladder rung are easily formable suc... | 08/30/1988 |
| 4731131 | Method of subjecting welded structure to heat treatment A method of subjecting a welded structure to heat treatment in which a tensile yield is produced on an inner surface of the welded structure and a compressive yield is produced on an outer surface of the welded structure by the steps of placing a cooling ... | 03/15/1988 |
