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| Number | Title | Issue Date |
| 7368077 | Induction quenching installation, in particular for fabricating suspension components A thermal quenching installation making use of induction heating. This installation has induction heater means comprising a stationary induction coil, handling means to cause the element to pass through said coil, and cooling means, preferably a shower, disposed dow... | 05/06/2008 |
| 7339145 | Apparatus and a method for induction heating of pieces of electrically conducting and non-magnetic material An apparatus and a method for induction heating of pieces or blanks (10) of electrically conducting and non-magnetic material, wherein a device creates a static magnetic field (3) and a second device is arranged to cause a relative movement (4) ... | 03/04/2008 |
| 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 |
| 7179416 | Heat treatment apparatus In a heat treatment apparatus, the direction of the magnetic field generated by the magnetic field generating device in the region in which the object of treatment is heat-treated and the conveying direction of the conveying device in which the object of treatment i... | 02/20/2007 |
| 7063563 | Freely rotational receptacle A freely rotational receptacle includes an upper casing member with a hollow space, a receptacle body, a terminal set, a first contact ring, a second contact ring, a relay seat and a lower casing member. When the freely rotational receptacle is assembled, the recept... | 06/20/2006 |
| 6821363 | Procedure for hardening at least one surface of a wall of a component and device for its execution A procedure for hardening at least one surface (S, L) of a wall (W) of a component (T), in which the surface to be hardened (S, L) is inductively heated with at least one inductor (2), in which liquid is filled into a gap (P) between the surface to be hardene... | 11/23/2004 |
| 6733721 | Strand galvanizing line A method for annealing and galvanizing wires which comprises induction heating the wires in a first chamber at a first higher temperature to anneal the wires, cooling the wires to a second lower temperature in a second chamber and galvanizing the wires in a third ch... | 05/11/2004 |
| 6299825 | Wire take-up mechanism A process and apparatus is provided for forming spring wire into coils. A take-up block with a peripheral surface receives convolutions of wire as it is rotated. At least one pinch roll confines convolutions of the spring wire to the peripheral surface. T... | 10/09/2001 |
| 6290898 | Apparatus for heat treatment of impact beams for use in automobiles An apparatus for heat treatment of impact beams for use in automobiles is disclosed. This apparatus uniformly heat-treats impact beams having a non-circular cross-section, such as an elliptical cross-section. The apparatus of the present invention compris... | 09/18/2001 |
| 6056913 | Plant for the continuous heat treatment of steel strips or the like A plant for the continuous heat treatment of steel strips (4) or the like has a nonmagnetic insulated housing (1), in which two axially parallel unheated rollers (2, 3) are disposed at a distance from each other. To the first roller (2), the steel strip (... | 05/02/2000 |
| 6031206 | Tower furnace for the heat treatment of metal strips A tower furnace for the heat treatment of metal strips comprises a muffle (3) extending over the entire furnace height, through which muffle passes the strip (6). At the top of the muffle (3) an insulated stopper (1) with an electric heater (2) has been i... | 02/29/2000 |
| 5885523 | Device for continuously annealing continuously formed metallic goods A device for continuously heat-treating continuously cast or formed metallic goods, particularly wire and the like. The device comprises a first annealing path in which the continuously formed metallic goods are guided by means of two contact rollers. The... | 03/23/1999 |
| 5700335 | Process and device for regulating the calorific output in a continuous annealing and processing line for continuously cast metal products A process and device are disclosed for regulating the annealing power in at least one annealing section of a continuous annealing and processing line for continuously cast metal products. The speed of the cast products (D) passing through the continuous a... | 12/23/1997 |
| 5653937 | Method for heat treating an impact beam of automotive vehicle door and a system of the same A heat treatment system for treating an impact beam is disclosed. The heat treatment system comprises a plurality of transfer rollers for transferring a tube shaped impact beam; a heat treatment portion for heating and air cooling the transferred impact b... | 08/05/1997 |
| 5582790 | Inductor for induction heating of metal strips An induction heating device for continuously moving metal strip (22) for heat treatment or coating purposes comprises a flattened, spirally wound coil having the turns interlinked by an oblique connection on a small side of the coil, and surrounding the c... | 12/10/1996 |
| 5551981 | Apparatus to galvanize a ferrous substrate A ferrous strip is galvanized by establishing an electrostatic potential on the strip which is then submerged on a fluidized bed of powdered galvanizing material and then allowing the adhered galvanized powder to be carried by the strip to a reflow statio... | 09/03/1996 |
| 5282607 | Stripping apparatus of metal film from metallized plastic film A stripping apparatus for stripping metal film from a metallized plastic film is provided. In accordance with one aspect of the invention, a rod is utilized for providing an anode or cathode charge, with the rod movable in a direction perpendicular to the... | 02/01/1994 |
| 5234659 | Plant for conductive electrical heating of steel blanks A plant for conductive electrical heating of elongated electrically conductive objects, e.g. steel blanks for further treatment in a roll mill. Said plant comprises a combination of the following features: at least two blanks (1) are provided in parallel and s... | 08/10/1993 |
| 5089058 | Method and apparatus for high frequency heat-treatment of long continuous metal blanks The invention relates to a high frequency heat-treatment of long continuous metal blanks wherein the long continuous metal blanks are fed in their lengthwise direction by a pushing rod which is insensible to the high frequency to pass through a high frequ... | 02/18/1992 |
| 5069427 | Stand for exerting a forward or rearward drag on strips A stand for exerting a forward or rearward drag upon metal strips or sheets, in particular for a plurality of narrow strips which are to be wound up together with separate braking drags being applied to each strip, between two oppositely disposed, endless... | 12/03/1991 |
| 5069428 | Method and apparatus of continuous dynamic joule heating to improve magnetic properties and to avoid annealing embrittlement of ferro-magnetic amorphous alloys A method and apparatus of dynamic heat treating the ferromagnetic amorphous alloys by applying AC current or pulsed high current on the alloys in the form of a ribbon are disclosed. The amorphous ribbon is continuously passed through a pair of electrodes ... | 12/03/1991 |
| 5032191 | Methods and devices for obtaining a homogeneous austenite structure A method and device for thermally treating at least one carbon steel wire such a way as to obtain a homogenous austenite structure, characterized by the fact that the wire is heated in a tube containing a gas which has practically no forced ventilation, ... | 07/16/1991 |
| 4964621 | Apparatus for heat treating a carbon steel wire A process for heat treating a carbon steel wire to obtain a fine pearlite structure is characterized by the following steps: (a) cooling the wire until the wire reaches a given temperature which is below the AC1 transformation temperature; (b) ... | 10/23/1990 |
| 4959107 | Method and apparatus for treating ladder rungs for forming assembly with ladder rails A method and apparatus for treating preselected areas of metallic ladder rungs wherein such metallic spaced rungs are moved in a path substantially normal to the longitudinal axes of the rungs with preselected areas of the spaced rungs passing through a c... | 09/25/1990 |
| 4943036 | Method and apparatus for isothermal holding of wire when a wire is heat-treated in-line The present invention is drawn to a method and apparatus for holding wire at a specified temperature for a specified period of time by a direct-resistance heating device which applies such voltage as to generate Joule's heat in the wire, sufficient to off... | 07/24/1990 |
| 4917358 | Apparatus for producing electrical steel core laminations Core laminations are stamped from electrical steel strip and stress annealed by induction heating in a closed tubular chute inclined downwardly from the stamping press. A preselected, non-ambient atmosphere is maintained within the chute.... | 04/17/1990 |
| 4828227 | Inductor for the inductive reheating of metallurgical products An inductor, used for the inductive reheating of metallurgical products is of the C-shaped magnetic yoke inductor type designed to straddle the product to be reheated. The free ends of the yoke have magnetic poles facing one another. The yoke comprises tw... | 05/09/1989 |
| 4708325 | Induction heating system for reheating the edges of a metallurgical product and variable air gap inductor associated therewith The device for inductively reheating the verges of a metallurgical product moving down a production line comprises wound pole inductors with C-shaped magnetic yokes, arranged laterally straddling the path followed by the verges. The two arms of the C are ... | 11/24/1987 |
| 4632366 | Line travel normalizer A normalizer for linear welds in continuous pipes, to travel along the side a pipeline during operation. The normalizer comprises an induction heater supported on a mounting assembly. A power source is provided for the induction heater and an electrical c... | 12/30/1986 |
| 4623129 | Apparatus for making retractile cords A leading end portion (33) of a supply of cordge (31) is clamped to a mandrel (32) such that it is straight, after which a plurality of convolutions of the cordage are wound on the mandrel. The cordage is severed from the supply and a trailing end portion... | 11/18/1986 |
| 4529175 | Apparatus for annealing non-ferrous strip material It is known to anneal non-ferrous strip material by passing the strip continuously around a pair of spaced pulleys and effecting a short circuit between the incoming and outgoing strip material to form a closed electrical loop of continuously moving strip... | 07/16/1985 |
| 4437901 | Method and apparatus for improved heat treatment of aluminum alloy rod Solution heat treatment of a rapidly advancing intermediate metallic product (26) is accomplished by preheating the product in a first zone (27) by conventional means, a great length of the product is maintained at the desired temperature in a second zone... | 03/20/1984 |
| 4431168 | Apparatus for improved heat treatment of elongated aluminum alloy materials A method and apparatus for heat treating and especially annealing of elongate metallic materials such as wire wherein the wire (24) given a longer length exposure to complete the heat treatment of the wire at higher line speeds. This is accomplished eithe... | 02/14/1984 |
| 4428563 | Apparatus for spot annealing tubing In the manufacture of tubing, and particularly finned tubing, for use by the heat transfer industry in the manufacture of heat exchangers, annealed ends and lands are desirable in certain applications to facilitate the assembly of the tubes to headers and... | 01/31/1984 |
| 4372539 | Renewable, strand centering annealer sheave Disclosed is an improved system for annealing strand of the type comprising at least two sheaves across which the strand passes and becomes electrically annealed, the improvement comprising a first flange member, a second flange member concentric with the... | 02/08/1983 |
| 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 |
| 4280857 | Continuous draw anneal system An apparatus and method of continuously drawing and annealing wire in a slip mode. The method comprises the steps of directing a wire successively through a plurality of drawing dies of a continuous wire drawing machine, and from the next to the last die ... | 07/28/1981 |
| 4249720 | Apparatus for the continuous treatment of metal objects An apparatus for the continuous heat treatment of elongated metal objects, especially wire, by contacting the same with molten metal, usually lead, whereby a preheating tray containing the molten metal is followed by a quenching tray with a second bath th... | 02/10/1981 |
| 4205829 | Steel wire patenting equipment Equipment for patenting steel wires, comprising preheating and patenting tanks for processing the wires along substantially horizontal and straight-line paths, an electrical potential being applied to end plates in at least some tank sections, the plates ... | 06/03/1980 |
| 4154432 | Direct-current electrical heat-treatment of continuous metal sheets in a protective atmosphere The heat treatment of a continuous band or sheet of metal as the same travels through a plurality of stages in a protective atmosphere, between conveying rollers, by applying direct-current electricity to the rollers for inclusion of the travelling sheet ... | 05/15/1979 |
