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| Number | Title | Issue Date |
| 7388178 | Rapid thermal response induction heating system for platen embossing An induction heating system for the manufacturing of optical memory microstructure, wherein the thermal cycle allows the process web to be rapidly heated to the relaxation and re-flow temperature, followed by cooling to the optimum separation temperature in under 10... | 06/17/2008 |
| 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 |
| 7290427 | Clamp ring with pre-heater A clamp ring for a forge die, the clamp ring comprising a substantially solid ring portion having a channel about the outer diameter and at least one flame aperture formed between the inside and the outside diameter and in fluid communication with the channel and a ... | 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 |
| 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 |
| 7132632 | High frequency induction heater built in an injection mold A high frequency induction heater built in an injection mold. The high frequency induction heater has a metal or silicon mold-insert, at least a heating module and at least a thermometer detector. The elements are reasonably fit with the mold-insert utilizing well-d... | 11/07/2006 |
| 6960746 | Device for instantly pre-heating dies A device for instantly pre-heating dies includes an inductive heating coil disposed between two dies. The inductive heating coil includes a spiral shape for generating high frequency induction heat energy. When the dies are separated by a mechanical arm, the inducti... | 11/01/2005 |
| 6953311 | Tool holding and working piece-clamping assembly for a machine tool A tool holding and working piece-clamping assembly has a stand, a driving device, a threaded rod, a rail assembly, a brake post, a working piece-clamping device and a tool holding device. The working piece-clamping device has an upper clamping device slidably connec... | 10/11/2005 |
| 6933480 | Image heating apparatus A heating apparatus includes a coil for generating a magnetic field; a heating element for generating heat by eddy currents generated by the magnetic field; an electroconductive member for generating an electromotive force by a current flowing through the coil; and ... | 08/23/2005 |
| 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 |
| 6914225 | Apparatus and methods for single sheet forming using induction heating Apparatus and methods for single sheet forming using induction heating include a pair of dies defining a die cavity for containing a workpiece, which is inductively heated by an oscillating magnetic field within the die cavity. A susceptor is positioned between the ... | 07/05/2005 |
| 6911633 | Suspended induction coil and method for replacement of turns comprising same An induction heater (14) for use in conjunction with an associated furnace (10) for material processing includes essentially straight induction coil (16, 50) arranged inside the furnace shell (12). The induction coil (16, 50) has a... | 06/28/2005 |
| 6897419 | Susceptor connection system and associated apparatus and method A susceptor connection system and an associated apparatus and method are provided. The susceptor connection system includes at least one shoe that can be urged against a peripheral edge portion of the susceptors by a compression device. In this regard, each shoe can... | 05/24/2005 |
| 6855917 | Induction processable ceramic die with durable die liner A die liner for use in a die having a die body wherein the die body is configured to form a workpiece. The die liner is a discrete structure that is configured to be used in conjunction with the die body. The die liner defines a forming surface for forming the workp... | 02/15/2005 |
| 6747253 | Method and apparatus for induction heat treatment of structural members An apparatus and method for heat treating a structural member, for example, to relieve stresses therein, are provided. The structural member is restrained in a die cavity by one or more inflatable bladders so that a desired dimensional accuracy is achieved. The stru... | 06/08/2004 |
| 6653608 | Oxidation protected susceptor A single or multilayer smart susceptor for temperature control of part fabrication in an induction processing system generally consists of single layer or laminated layers of ferromagnetic material susceptible to heating by induction. The use of the susce... | 11/25/2003 |
| 6583393 | Induction heating fixing device with an extended pressure contact area for use with magnetic toner An induction fixing device is provided which uses a magnetic toner for image formation but is easy to reproduce a true image while preventing the toner from being moved even if influenced by a magnetic field generated for induction heating. In the inducti... | 06/24/2003 |
| 6559428 | Induction heating tool An induction brazing tool includes a pair of induction coil components each having a linear extension and a semi-circular coil at one end. A distal end of each component remote from the semi-circular coil includes a flange for connecting the tool to an in... | 05/06/2003 |
| 6337471 | Combined superplastic forming and adhesive bonding We combine superplastic forming (SPF) with adhesive bonding (AB) to produce quality multisheet sandwich panel structures, especially those using a superplastic aluminum alloy, such as Al 2004, Al 8090, or Al 1570. We produce the parts with improved energy... | 01/08/2002 |
| 6310333 | Induction heating method for manifold in hot runner mold In an induction heating method for a manifold in a hot runner mold, it is possible to uniformly heat a material over the entire length of a runner. Also, a coil is easily attached to and detached from the manifold. The hot runner mold includes a fixed mol... | 10/30/2001 |
| 6271507 | Apparatus and method for bonding conductors An apparatus and method is provided for conductively bonding at least two conductors together. An inductive coil generates a magnetic field when electrical current is run therethrough. A magnetic concentrator is disposed near the inductive coil and adjace... | 08/07/2001 |
| 6211497 | Induction consolidation system An apparatus for forming and consolidating organic matrix composites. An organic matrix composite panel comprising laid-up prepregs is placed between sheets of a susceptor material that is susceptible to inductive heating to form a workpiece. The resultin... | 04/03/2001 |
| 6184493 | Vertical diffusion bonding apparatus A vertical diffusion bonding apparatus is provided with a lower block, a pressurizing jig which is fitted to a metal pipe supplied from an upper position, and a pressurizing mechanisms stood erect on the lower block. The lower metal pipe is held by the lo... | 02/06/2001 |
| 6097012 | Induction-heating bender Disclosed is an improved induction-heating bender comprising: conveyor means for feeding a workpiece to be bent; a pivot arm having a gripper rotatably fixed at its free end for gripping the workpiece, permitting the gripper to be set at a selected angle ... | 08/01/2000 |
| 6091063 | Method for improving thermal uniformity in induction heating processes An induction heating workcell having a fixed solenoid coil heats parts more uniformly by aligning ferrite blocks, generally along the centerline of the coil, to improve uniformity of the magnetic field, magnetic flux, and power density. The blocks are non... | 07/18/2000 |
| 6084222 | Induction heating apparatus for joining sheet bars A sheet bar joining apparatus comprises a heater provided between a delivery-side clamp for clamping a rear end of a preceding sheet bar and an entry-side clamp for clamping a front end of a succeeding sheet bar; upper and lower anti-buckling plates provi... | 07/04/2000 |
| 5935476 | Device for heating a press tool using magnetic induction heating; press having such a device, and method of manufacture A device for heating a press tool (4), which is mounted in a press (3) for manufacturing products wholly or partially of plastic or composite, consists of a core (1) of electric sheet steel, a coil arrangement (9, 10, 11) placed around the core (1), and a... | 08/10/1999 |
| 5902507 | Closed loop temperature control of induction brazing A method and apparatus for induction brazing wherein the induction coil's power is controlled by a closed loop temperature controller which is provided a temperature signal from a temperature sensor located proximate the brazed joint. Power is supplied to... | 05/11/1999 |
| 5767490 | Apparatus for fusing two workpieces produced from sheet metal by induction heating An apparatus for welding together two metal sheets (4, 5) includes clamping rails (17, 18; 23, 24) for positionally fixing the sheets (4, 5) each on a table (2, 3), and an induction device movable towards and away from a joint (15) between the metal sheet... | 06/16/1998 |
| 5767491 | Heating apparatus for making a continuous longitudinal seam weld on a laminated packaging material web The disclosure relates to an apparatus for making a continuous welding joint. A material web (20) formed into a tube (8) is sealed along the longitudinal joint seam in that a joint heater (1), preferably an induction heater, is disposed in parallel along ... | 06/16/1998 |
| 5753068 | Thermoplastic welding articulated skate An apparatus for thermoplastic welding together by fusion bonding, an assembly of composite parts, each having a resin-rich thermoplastic surface layer, along bond lines containing a conductive susceptor, includes a weld skate that can be moved along guid... | 05/19/1998 |
| 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 |
| 5651239 | Sealing device for packaging material tube A sealing device for a packaging material tube has a pair of pressure arms 13 supported by a lift frame 11 each at a lower portion thereof and pivotally movable about respective parallel horizontal axes. A pair of sealing jaws 14 are fixed to the respecti... | 07/29/1997 |
| 5645747 | Composite consolidation using induction heating A process for consolidating a composite material comprises the steps of forming a workpiece including a matrix interspersed with fibers, supporting the workpiece by an electrically conductive support, inductively heating the support and thereby conductive... | 07/08/1997 |
| 5591369 | Method and apparatus for consolidating organic matrix composites using induction heating A method and apparatus for forming and consolidating organic matrix composites. An organic matrix composite panel comprising laid-up prepregs is placed between sheets of a susceptor material that is susceptible to inductive heating to form a workpiece. Th... | 01/07/1997 |
| 5530227 | Method and apparatus for consolidating organic matrix composites using induction heating A method and apparatus for forming and consolidating organic matrix composites. An organic matrix composite panel comprising laid-up prepregs is placed between sheets of a susceptor material that is susceptible to inductive heating to form a workpiece. Th... | 06/25/1996 |
| 5486684 | Multipass induction heating for thermoplastic welding An induction coil is passed over an interface between two resinous parts to be welded and an alternating magnetic field generated by the coil induces eddy currents in a foraminous susceptor positioned in the interface between the two parts. Pressure is ap... | 01/23/1996 |
| 5483043 | Induction heating of polymer matrix composites in a mold press Induction heating is utilized to heat polymer matrix composites containing electrically conductive fibers. This is accomplished with an apparatus having a mold with first and second cores positioned to receive a workpiece therebetween and first and second... | 01/09/1996 |
| 5412184 | Industion heating tool A jaw-like cylindrical tool for producing a strong electromagnetic field for causing a Curie point heater to be energized having a curved cross-section that brings the two edges of the jaw-like structure into contact. Closely spaced conductors lie along t... | 05/02/1995 |
