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| Number | Title | Issue Date |
| 7880124 | Assembly packaging using induction heating An embodiment of the present invention is a technique to package a device. Heat is localized on a die having bumps on a package substrate using a first induction heater operating at a first frequency. Heat is localized on at least an integrated heat spreader (IHS), ... | 02/01/2011 |
| 7414226 | Movable heating method and system having fixed heating source for brazing stator bars A method to heat a stator bar and clip assembly in a brazing chamber including: placing the stator bar and clip assembly in the brazing chamber, wherein the assembly is seated in a heating coil; positioning a conductive mass between a press and the stator bar and cl... | 08/19/2008 |
| 7405380 | Portable electromagnetic induction heating device This portable electromagnetic induction heating device is used to carry an induction current in a conductor, make the conductor generate heat by Joule's heat, and heat adhesive by the heat generating conductor. A heating induction coil (13a) is formed ... | 07/29/2008 |
| 7363945 | Low chamfer angled torque tube end fitting with elongated overflow groove A method of forming a torque-transmitting coupling (193) includes forming at least one fitting (192) having a tube conforming area (200). The forming area (200) includes a material overflow groove (194) and multiple flat surfaces (... | 04/29/2008 |
| 7364062 | Magnetic pulse welding of steel propshafts A method of magnetically welding an end fitting to a metal tube includes assembling a driver ring over an end of the tube and inserting a length of the end fitting into a bore of the tube. An overlap region of the tube, the driver ring and the cylinder are encompass... | 04/29/2008 |
| 7348523 | Method of induction weld forming with shear displacement step A shear-assisted solid state welding method for joining of metal parts, involves a first step of heating opposing surfaces in a non-passivating environment to a temperature in the hot working temperature range of the metal. A second step involves bringing the opposi... | 03/25/2008 |
| 7329878 | Method for manufacturing a lens assembly of microcolumn and lens assembly of microcolumn manufactured by the same The present invention provides a method for manufacturing a lens assembly of a microcolumn having a plurality of microlenses and a plurality of insulating layers alternately interposed between the microlenses. The method includes forming at least one first microlens... | 02/12/2008 |
| 7290318 | Electromagnetic flanging and hemming apparatus and method Apparatus and methods are disclosed for applying electromagnetic force (EMF) to flanging and hemming metal panels to form a hemmed panel assembly. First and second apparatus and method steps use a translating EMF coil to flange a sheet and to finish a hem by progres... | 11/06/2007 |
| 7291817 | Scan induction heating An apparatus and process are provided for scan induction heating of a workpiece. The workpiece is moved through an inductor to inductively heat treat features of the workpiece with electric power of varying frequency and duty cycle to control the magnitude of electr... | 11/06/2007 |
| 7285761 | Hot forming system for metal workpieces A device including at least one transformer with primer/seconder coil ratio more than one and including a control unit used to control timing and magnetute of the primer current is employed to heat a metal workpiece to be subjected a subsequent forming operation. An... | 10/23/2007 |
| 7263757 | Electromagnetic trimming, flanging and hemming apparatus and method Electromagnetic (EMF) trimming, flanging and hemming steps are performed at a single workstation in a combined fixture designed to form a hemmed panel assembly, such as a vehicle closure panel. Two or more formed sheets, outer and inner panels, are positioned togeth... | 09/04/2007 |
| 7256373 | Apparatus and method for manufacture of a driveshaft by a pulsed magnetic force process An apparatus (30) and method for forming of a vehicle's driveshaft (32) is provided which makes use of a PMF process. The coil device used in the PMF apparatus is assembled around the shaft from two or more coil sections (40, 41, 43; 42, 44, 45)... | 08/14/2007 |
| 7253381 | Multi-frequency heat treatment of a workpiece by induction heating An apparatus and process are provided for multi-frequency induction heat treatment of workpieces including gears. High frequency power is applied to an induction coil that surrounds the workpiece so that a high frequency magnetic field couples with the workpiece to ... | 08/07/2007 |
| 7234500 | Cutting device A cutting device (10) for cutting a material (12) and providing a cut portion of the material (12). The device comprises a heating assembly comprising an electrical induction arrangement (32) for heating the cut portion of the material by... | 06/26/2007 |
| 7230216 | Induction heating method and unit It is an object of the present invention to prevent temperature decrease in a border portion of each of heating coils and to enable to eliminate an influence given by the change in a load state. In order to attain this object, an induction heating unit according to ... | 06/12/2007 |
| 7226492 | High-powder tungsten-based sintered alloy Tungsten-based alloy material sintered at a high sintering power that may contain additive elements soluble in the nickel and selected from the group constituted, for example, by rhenium, molybdenum, tantalum, niobium, vanadium or a mixture of these, wherein, after ... | 06/05/2007 |
| 7217999 | Multilayer interconnection board, semiconductor device having the same, and method of forming the same as well as method of mounting the semiconductor chip on the interconnection board In accordance with the present invention, during formation of the interconnection board, the interconnection board remains securely fixed to a high rigidity plate being higher in rigidity than the interconnection board for suppressing the interconnection board from ... | 05/15/2007 |
| 7205516 | Bonding of materials with induction heating An apparatus and process are provided for bonding of materials by induction heating of an electrically conductive material upon which a second material is bonded. The electrically conductive material is induction heated between a first induction heating plate, and t... | 04/17/2007 |
| 7202451 | Induction heating method and unit It is an object of the present invention to prevent temperature decrease in a border portion of each of heating coils and to enable to eliminate an influence given by the change in a load state. In order to attain this object, an induction heating unit 400 ac... | 04/10/2007 |
| 7161122 | Assembly packaging using induction heating An embodiment of the present invention is a technique to package a device. Heat is localized on a die having bumps on a package substrate using a first induction heater operating at a first frequency. Heat is localized on at least an integrated heat spreader (IHS), ... | 01/09/2007 |
| 7144040 | Bi-metallic structural component for vehicle frame assembly A vehicle body and frame assembly includes a pair of longitudinally extending side rails having a plurality of transverse cross members extending therebetween. The cross member is a multiple piece structure, including a central portion having a pair of end portions ... | 12/05/2006 |
| 7137297 | System and method for non-contact forming of parts to a fluid sensor assembly A method for coupling components of a fluid sensor assembly for a vehicle, the method comprising the steps of providing a body portion of a fluid sensor assembly with a joining section that has a mating surface, providing a head portion of a fluid sensor assembly wi... | 11/21/2006 |
| 7119309 | Liquid phase diffusion bonding method for dissimilar metal sheets and liquid phase diffusion bonding apparatus for the same A liquid phase diffusion bonding method for dissimilar metal sheets by allowing a galvanized steel sheet and an aluminum alloy sheet to come into close contact with each other and pressing both sheets by using a first mold of a liquid phase diffusion bonding apparat... | 10/10/2006 |
| 7112961 | Method and apparatus for dynamically measuring the thickness of an object A method and apparatus are provided for measuring the thickness of a test object. The apparatus includes an eddy current sensor having first and second sensor heads. The sensor heads are positioned to have a predetermined gap therebetween for passage by at least a p... | 09/26/2006 |
| 7080436 | Method of manufacturing an axially collapsible driveshaft A method for manufacturing a driveshaft for use in a vehicle drive train system that is axially collapsible in the event of a collision to absorb energy. A workpiece, such as a hollow cylindrical tube, is deformed by hydroforming to provide an axial collapse initiat... | 07/25/2006 |
| 7040804 | Method for measuring diffusion coefficient in conductive melts, and apparatus for measuring the same Two conductive solid materials with their respective different compositions are joined in parallel with a gravity direction thereof, and then, heated and melted under static magnetic field orthogonal to the gravity direction to form two conductive melts with their r... | 05/09/2006 |
| 7025245 | Magnetic welder A magnetic welding and joining device is provided. The device has a separable induction coil that can be selectively coupled to provide an induction coil to be positioned around workpieces that are to be magnetically welded or joined. ... | 04/11/2006 |
| 7015435 | Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft A method for securing components of a vehicular driveshaft includes disposing a neck of an end fitting into the open end of a driveshaft tube. The end fitting is held with respect to the driveshaft tube so that an annular gap is formed between the neck and the drive... | 03/21/2006 |
| 7015434 | Method of joining together magnetic and nonmagnetic materials A method whereby magnetic and nonmagnetic materials can be joined together firmly and having their joining areas freed from embrittlement and with a minimum of deformation is disclosed. Applied to the process of fitting a ring of nonmagnetic material into an annular... | 03/21/2006 |
| 6977361 | Molecular bonding of vehicle frame components using magnetic impulse welding techniques A method for manufacturing a vehicle frame assembly includes the initial steps of providing first and second structural components, disposing portions of the first and second structural components in an overlapping relationship, and generating an electromagnetic fie... | 12/20/2005 |
| 6956187 | Steel plate splicing facility utilizing shear joining A steel plate splicing facility includes, a steel plate heating apparatus for retrieving and heating a preceding steel plate and a following steel plate, and a shear-joining apparatus for clamping a tail end portion of the preceding steel plate and a leading end por... | 10/18/2005 |
| 6932118 | Low chamfer angled torque tube end fitting metal A method of forming a torque tube (64) is provided. The method includes forming a fitting (80) having an elongated tube conforming area (88). The conforming area (88) includes chamfer areas (82) having upper surfaces (90), l... | 08/23/2005 |
| 6928712 | Driveshaft and method and device for producing same A method and apparatus for assembling a driveshaft, and the driveshaft itself. The driveshaft (1) includes a first attachable part (2) with a first longitudinal axis (A1), a second attachable part (3) with a second longitudinal axis (... | 08/16/2005 |
| 6927370 | Electromagnetic hemming machine and method for joining sheet metal layers A hemming machine for joining an inner sheet metal panel with an outer sheet metal panel comprising: a hemming tool containing an electromagnetic coil positioned to electromagnetically crimp and/or weld the outer sheet metal panel to the inner sheet metal panel, whe... | 08/09/2005 |
| 6920692 | Wristwatch case and method of fixing pipe to wristwatch case One wristwatch case, wherein a pipe is fixedly connected thereto and a connection interface between the wristwatch case and the pipe is not present substantially; the method of fixing the wristwatch, comprising the steps of providing a through-hole in the wristwatch... | 07/26/2005 |
| 6921013 | Method and apparatus for performing a magnetic pulse welding operation A pair of metallic components are co-axially aligned prior to full energization of the magnetic pulse welding inductor to provide for improved control of the magnetic pulse welding process. To accomplish this, either or both of the components are supported in a floa... | 07/26/2005 |
| 6910617 | Method for securing a yoke to a tube using magnetic pulse welding techniques A magnetic pulse welding operation is performed to secure first and second metallic components together, such as a yoke and a driveshaft tube in a vehicular driveshaft assembly. The yoke includes a first portion, such as a body portion, and a second portion, such as... | 06/28/2005 |
| 6908024 | Simultaneous magnetic pulse framing A method is performed for permanently attaching framing structural members to an underbody of an automotive vehicle. An underbody structural member including one or more cross members and a plurality of metallic structural members are provided at a workstation. The ... | 06/21/2005 |
| 6891137 | Method of magnetic pulse welding an end fitting to a driveshaft tube of a vehicular driveshaft A method for securing components of a vehicular driveshaft includes disposing a neck of an end fitting into the open end of a driveshaft tube. The end fitting is held with respect to the driveshaft tube so that an annular gap is formed between the neck and the drive... | 05/10/2005 |
| 6888088 | Hardfacing materials & methods A method for applying wear resistant material to a substrate, the substrate comprised of material with a substrate coefficient of thermal expansion, the method including applying the wear resistant material to the substrate with application apparatus, the wear resis... | 05/03/2005 |
