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| Number | Title | Issue Date |
| 7365290 | Method and device for thin plate article induction heating, and thin plate article A reduction of the unevenness of a temperature increase at the end of heating work can be achieved without specific equipment, and with securing the shortening of the working time, which is an advantage of a bulk heating. When a region to be heated of an arti... | 04/29/2008 |
| 7018209 | Apparatus and methods for a shape memory spring actuator and display Various apparatus and methods for an actuator and display using one or more shape memory springs. A shape memory spring is heated and urges a pin to a first or extended position. The pin may be supported in the first position by a supporting mechanism. The shape mem... | 03/28/2006 |
| 6939418 | Process for the thermomechanical treatment of steel A process for thermomechanical treatment of steel for torsionally-strained spring elements, the initial material being heated with a heating rate of at least 50 K/s and austenitized, and then, being formed in at least one forming step with the formed product being q... | 09/06/2005 |
| 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 |
| 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 |
| 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 |
| 6255634 | Transverse flux heating coil and method of use A transverse flux heating coil is disclosed to inductively heat a continuous run of wire. In general, the transverse flux heating coil includes a single loop conductive element having a pair of termination ends extending therefrom and connectable to a pow... | 07/03/2001 |
| 6198083 | Method and apparatus for heat treating wires A process for heat treating steel wires in which the wires are passed through an induction furnace with induction coils connected in series to a common power supply. No more than one wire passes through any one of the induction coils. The wires are heated... | 03/06/2001 |
| 6093267 | Tire having circumferential cables for anchoring the carcass and process of preparing such cables The anchoring of the carcass reinforcing elements 1 is assured by circumferential cables 2, with the interposition of a connecting rubber composition 3. The circumferential cable 2 is arranged in several turns forming one or more helices. These circumfere... | 07/25/2000 |
| 6077369 | Method of straightening wire rods of titanium and titanium alloy A method of straightening a wire rod of titanium or titanium alloy wherein the rod is hot-straightened to a straight rod at the straightening temperature T and elongation &3xb5; satisfying the expression (1) or (2). The method includes hot rolling a titan... | 06/20/2000 |
| 5972129 | Process for smelting a titanium steel and steel obtained Process for smelting a titanium steel according to which a liquid steel containing more than 0.003% of nitrogen and not containing titanium is smelted and then more than 0.005% of titanium is introduced into the liquid steel by progressive diffusion from ... | 10/26/1999 |
| 5830290 | Method for the manufacture of a spring band clip The subject invention provides a method for manufacturing a spring band clip, wherein an alloyed steel is shaped, annealed, levelled into a narrow band, then shaped by stamping and bending into a non-machined clip, and the surface of the non-machined clip... | 11/03/1998 |
| 5770838 | Induction heaters to improve transitions in continuous heating system, and method A heating system and method for heating a metal strip to within a predetermined temperature tolerance range while the metal strip serially travels through a heating system. The heating system has at least one preceding heating section, at least one induct... | 06/23/1998 |
| 5739506 | Coil position adjustment system in induction heating assembly for metal strip An adjustable width transverse flux heating apparatus for induction heating in the moving workpiece includes first and second elements disposed in the common plane to form an inductive coil. The first and second conductor elements define a middle spacing ... | 04/14/1998 |
| 5294270 | Heat-treated wire-mesh EMI/RFI shielding gasket A wire-mesh gasket fashioned from heat-treatable materials such as beryllium copper alloy wire is knitted or braided into a tubular structure. Plural wires may be used. Various cross-sectional configurations such as circular, teardrop, double lobed, and f... | 03/15/1994 |
| 5231079 | Process embodiments for improving the electrical properties of conductors In one embodiment this invention provides a process for decreasing the resistivity of an electrical conductor. The process involves the application of high temperature and an external field to a conductor to induce a current flow and physicochemical trans... | 07/27/1993 |
| 5073209 | Process embodiments for improving the electrical properties of conductors In one embodiment this invention provides a process for decreasing the resistivity of an electrical conductor. The process involves the application of high temperature and an external field to a conductor to induce a current flow and physicochemical trans... | 12/17/1991 |
| 5067987 | Method of manufacturing a silver alloy which is blackened throughout its bulk The present invention relates to manufacturing a silver alloy which is blackened throughout its bulk and used, for example, in jewelry. The method of manufacturing this material comprises putting the silver alloy into contact with sulfur in the form of su... | 11/26/1991 |
| 4818311 | Methods of and apparatus for heating a moving metallic strand material During the heating of a moving wire (21) such as when the wire is being aaled, the wire is heated in such a manner that the energy applied to each successive increment of length of the wire is substantially constant. This is accomplished by causing an in... | 04/04/1989 |
| 4705580 | Cutting method to be applied to producing helical springs by cold-forming thick high-strength wire A cutting method to be applied to producing helical springs by cold-forming a thick high-strength wire having a tensile strength in the range of 1765 to 2157 N/mm2 and a diameter in the range of 8 to 16 mm on a coiling machine, and then the wir... | 11/10/1987 |
| 4686342 | Process for making wire mesh screens A welding process for the manufacture of high carbon steel wire mesh for use in wire screens. In this process at least two high carbon steel wires are crossed and its junction pre-weld heated. The amount of heat applied at this pre-weld step is insufficie... | 08/11/1987 |
| 4551185 | Methods of and apparatus for making retractile cords A leading end portion (33) of a supply of cordage (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 portio... | 11/05/1985 |
| 4427463 | Method of and device for controlling and cooling of a continuous rolled member, e.g. a wire The temperature of hot-rolled wire is controlled by passing the wire through a primary coil and a secondary coil continuously while energizing the primary coil with a high frequency alternating current (preferably 100 kHz) so that a temperature-control vo... | 01/24/1984 |
| 4409042 | Method and apparatus for measuring the temperature of moving elongated articles and application thereof A method and apparatus for measuring the temperature of a moving elongated article is disclosed wherein radiant heat is sensed eminating from the focal axis or point of a parabolic or paraboloidal reflector beside which the article moves. An application o... | 10/11/1983 |
| 4407683 | Steel for cold plastic working High-strength, high-workability steel for cold plastic working, obtained by subjecting a hardenable carbon steel to rapid high-frequency induction heating, quenching it, rapidly heating it by high-frequency induction to a temperature of 300°-600° C., an... | 10/04/1983 |
| 4336081 | Process of preparing steel coil spring High-strength, high-workability steel for cold plastic working, obtained by subjecting a hardenable carbon steel to rapid high-frequency induction heating, quenching it, rapidly heating it by high-frequency induction to a temperature of 300°-600° C., an... | 06/22/1982 |
| 4222799 | High-strength spring steel and its manufacturing process The present invention relates to a high-strength spring steel and its manufacturing process. More specifically, it relates to a high-strength spring steel characterized in that it is obtained by heating the surface of the material steel to over the AC | 09/16/1980 |
| 4177085 | Method for solution heat treatment of 6201 aluminum alloy An improved method of continuously manufacturing a hot-formed, heat treatable aluminum base alloy product comprising casting a molten aluminum base alloy metal, cooling a cast metal during casting at a rate at which solidification shrinkage will not occur... | 12/04/1979 |
| 4168190 | Method for locally solution-treating stainless material A method and apparatus for treating stainless steel material to reduce the carbon precipitation of the grain boundaries of the material as a result of temperature elevation due to welding, mechanical bending, or the like. The treatment includes the rapid ... | 09/18/1979 |
| 3989549 | Method of making incandescent lamp The coiled tungsten filament of an incandescent lamp is made more resistant to sagging by exposing the filament to a vaporized phosphorus atmosphere so as to form tungsten monophosphide on the filament. The filament is subsequently heated in order to diss... | 11/02/1976 |
