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| Number | Title | Issue Date |
| 7368689 | Device for heating by induction of metal strip The device for heating by electromagnetic induction of a metal strip (A) comprises at least one inductor coil (B) which surrounds an area of the strip in a transversal manner in relation to the longitudinal direction of the strip. The coil (B) comprises at least one... | 05/06/2008 |
| 7262392 | Uniform thermal processing by internal impedance heating of elongated substrates An elongated substrate may be heated in a roll processing system. At least a portion of the elongated substrate is loaded into the roll processing system. A sufficient electrical current is caused to flow in the portion of the elongated substrate to heat the portion... | 08/28/2007 |
| 7094122 | Light emitting device and manufacturing method thereof and display used this light emitting device A light emitting device and a manufacturing method thereof and a display used the light emitting device, in which fine patterning for the light emitting device is realized by a simple process and the light leakage is prevented and the efficiency at extracting light ... | 08/22/2006 |
| 7087869 | Transverse induction heating apparatus In a transverse induction heating apparatus in which a material to be rolled is heated by inductors to which electric power is supplied from an AC power source, iron core widths of the inductors in a plate width direction of the material to be rolled are smaller tha... | 08/08/2006 |
| 6956189 | Alarm and indication system for an on-site induction heating system An induction heating system having a fluid cooling unit, a power source, an induction heating device, a controller, and an alarm system to place the system in a safe condition when an improper operating condition is detected. The induction heating system may have a ... | 10/18/2005 |
| 6815649 | Device and method for inductive billet heating with a billet-heating coil A device for inductive billet-heating includes a single or multi-layer billet-heating coil (4) for a round billet (5), in which the billet-heating coil (4) is made up of one or more consecutive, galvanically separated zones. The zones are suppli... | 11/09/2004 |
| 6770858 | Device for inductively heating metallic strips For optimum induction heating of metallic strips (1) of differing widths—particularly in the edge region—one multicoil transverse field inductor is positioned both above and below the strip (1) to be heated, whose coil axes are positioned verticall... | 08/03/2004 |
| 6677561 | Coil for induction heating of a strip or another elongate metal workpiece The invention relates to a coil to be used in transverse flux induction heating of an object in the form of a metal strip or another elongate metal workpiece. The coil contains at least one pair of loops of conductors, which are non-symmetrically position... | 01/13/2004 |
| 6635856 | Billet induction heating A plurality of billets are inductively heated in a staged process wherein the output current of a power supply is repeatedly time shared among a plurality of induction coils within which the plurality of billets have been placed. The time periods of the a... | 10/21/2003 |
| 6570141 | Transverse flux induction heating of conductive strip In transverse flux induction heating of electrically conductive strip, conductors that cross the strip width are stacked, or connected, such that a multiple of the induced current flows across the strip width as compared to that which flows along the stri... | 05/27/2003 |
| 6538239 | Induction heating device for metal pieces A magnetic heating device comprising three electrical coils, each coil being wound around a respective magnetic yoke having a gap therein, the three yokes being arranged such that the gaps are adjacent to each other or coincident, an article to be heated ... | 03/25/2003 |
| 6498328 | Transverse flux induction heating device with magnetic circuit of variable width A heating device for the electromagnetic induction heating of a metal strip traveling in a specified direction. The device includes at least one electric coil arranged opposite at least one of the large surfaces of the strip so as to heat the latter by tr... | 12/24/2002 |
| 6398885 | Method and apparatus for preventing cracking of the shank junction of die blocks A method and apparatus for tempering the shank portion only of die blocks which comprises subjecting the shank portion of a die block or other large metal part to electrical energy derived from induction heating or infrared heating to a controlled depth, ... | 06/04/2002 |
| 6300608 | Induction heating coil and induction heating device using the induction heating coil There are provided an induction heating coil for carrying out high frequency induction heating (heating during movement) of a hot rolled steel or the like by surrounding the hot rolled steel or the like which is placed on a plurality of conveying rollers ... | 10/09/2001 |
| 6107613 | Selectively sizable channel coil An adjustably dimensionable inductive heating apparatus includes inductor turns which are supported by a slide or actuator to allow selective positioning of the inductor turns to a variety of positions. The adjustable support members are disposed to allow... | 08/22/2000 |
| 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 |
| 6008481 | Method and apparatus for deciding heated state of metal billet A heated state-deciding apparatus and a thermocouple provided for a transport robot for detecting the temperature of a billet being transported by the transport robot, and a deciding member for deciding whether or not the billet is heated to be in a prede... | 12/28/1999 |
| 5872352 | Swingable induction heating chamber for melting ingot for metal casting A heating machine for heating an ingot of a metal such as a magnesium alloy. The heating machine has a heating chamber equipped with a RF induction coil capable of swinging about a horizontally axis. The coil is placed horizontally, and the metal ingot is... | 02/16/1999 |
| 5818013 | Process and device for inductive cross-field heating of flat metallic material A device for inductive cross-field heating of flat metallic goods has at least one pair of inductors having each one iron core provided with a groove for receiving a lead that extends in the transport direction. The grooves and leads of both inductors of ... | 10/06/1998 |
| 5710411 | Induction heating in a hot reversing mill for isothermally rolling strip product The present invention provides a hot reversing rolling mill for isothermally reducing a metal strip product. The mill includes a hot reversing mill stand with a pair of coilers positioned on opposite sides of the mill stand. At least one heater is positio... | 01/20/1998 |
| 5510600 | Electromagnetic induction heating apparatus for heating elongated metal workpieces Induction heating apparatus for heating an elongate metal workpiece of predetermined width generates time varying magnetic fields which produce longitudinal eddy current distributions across the width of the workpiece having cosine and sine profiles. The ... | 04/23/1996 |
| 5448039 | Billet induction heating device providing fast heating changeover for different size billets In a billet induction heating device, a plurality of heating coil units having round holes different in diameter from one another are arranged in such a manner that the central axial lines of the round holes are in parallel with one another and are in a v... | 09/05/1995 |
| 5397877 | Device for the homogeneous inductive heating of metallic flat products on the move Device for the induction heating of flat metallic products on the move with the aid of electrical coils provided on magnetic armatures arranged on either side of the large faces of the product to be heated, which moves continuously between the said coils,... | 03/14/1995 |
| 5370172 | Safety device for mobile modules which inductively heat or reheat metallurgical products Mobile modules for electromagnetic-induction heating or reheating a flat metallurgical product on the move, wherein each of the said modules is mounted so as to move on a track perpendicular to the direction of movement of the product. Each module include... | 12/06/1994 |
| 5308946 | Induction heating apparatus and method for heating metal strips and slabs This disclosure relates to an apparatus for and a method of electrical inductance heating of metal strips and slabs. The heating method involves a plurality of pairs of individual electrical coils exposed on opposite sides of a path of movement of a metal... | 05/03/1994 |
| 5245148 | Apparatus for and method of heating thick metal slabs This relates to the heating of thick slabs for rolling and like purposes wherein there is a complete penetration of the slab by induced electrical energy wherein the starting current frequency is very low and wherein a maximum heating is obtained by incre... | 09/14/1993 |
| 4857687 | Induction apparatus for heating edge portion of billet The invention relates to a device for heating billets, strip or sheet-metal, the device including one or more inductive edge heaters to heat the edges of a billet on its way from a continous casting machine, or strip or sheet-metal coming from a hot-rolli... | 08/15/1989 |
| 4321449 | Apparatus for induction heating of metal products, particularly slabs and blooms An apparatus for heating blooms or slabs comprises a tunnel with a conveyor for supporting successive slabs and moving them along the length of the tunnel. The blooms rest flat on the conveyor rather than on edge. Polyphased inductors are located above an... | 03/23/1982 |
| 4321444 | Induction heating apparatus An induction heater, particularly for heating metal slabs, is constructed in modular form. Two sets of modules are spaced apart to form a gap for reception of a slab. Each module is slotted and is wound with a group of polyphase coils so as to produce a t... | 03/23/1982 |
| 4216817 | Inductor for an electromagnetic mold for continuous casting An inductor for an electromagnetic mold used for example for continuous casting of long format rolling ingots has a metallic loop with a hollow space in it to convey a coolant. The vertical dimension at the middle of the sidewall (H1) of the lo... | 08/12/1980 |
| 4117293 | Method for conveying a row of forging ingots through an inductive heating apparatus An inductive heating apparatus for forging ingots which are pushed in a row through the apparatus for thoroughly heating them and subsequent transport includes a friction disc type of drive engaging the ingots as they enter the inlet end of the heating ap... | 09/26/1978 |
| 4075450 | Induction heater for forging bar stock An induction heating system for reheating the end of a forging bar after a previously heated section has been forged and cut off includes a mechanism for bringing the entire bar end to a uniform temperature despite the existence of a hot spot at the end f... | 02/21/1978 |
