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7638005 |
Track bushing and method and apparatus for producing the same
Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more...
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7591912 |
Induction heat treatment method, induction heat treatment installation and induction-heat-treated product
An induction heat treatment method with which temperature control is enabled, condition setting is easy, and the quality of a treatment object can be stabilized includes: a data acquiring step of...
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7544258 |
Method of fabricating pressed components
A simpler and less expensive method of fabricating pressed components from sheet steel that can be heat treated while inside the press, whereby the material is heated to above its transformation...
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7495197 |
Method and apparatus utilizing first and second heating devices for heat treating a fuel assembly channel with induction heating
In a method for heat treating a fuel assembly channel made of zircaloy, the channel is continuously moved relative to a heat-treatment device and, longitudinal sections of it are heated to the beta...
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7422643 |
Rolling element and method of producing the same
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth...
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7306684 |
Crawler bushing and method and device for producing the same
Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more...
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7220327 |
Kick-down drum material and method of manufacturing the same
Disclosed is a material of a kick-down drum comprising fine ferrite and microdispersion spheroidized cementite for an automobile also disclosed is a method for manufacturing the kick-down drum...
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7162798 |
Ported engine cylinder liner with selectively laser-hardened and induction-hardened bore
Selective laser and induction hardening are applied to areas of a water jacketed engine cylinder liner to provide improved resistance to scuffing resulting from the rubbing contact of the walls and...
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7161124 |
Thermal and high magnetic field treatment of materials and associated apparatus
An apparatus and method for altering characteristics, such as can include structural, magnetic, electrical, optical or acoustical characteristics, of an electrically-conductive workpiece utilizes a...
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7147729 |
Method and apparatus for induction heat treating electrical contacts
A method and apparatus are provided in accordance with embodiments of the present invention for heat-treating electrical contacts. The method and apparatus include plating a core wire with at least...
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7145115 |
Apparatus for hardening a cylindrical bearing on a shaft by means of induction heating utilizing an elastic element
An apparatus for hardening cylindrical bearing locations on a shaft, in particular a crankshaft, in which transition radii to the adjacent shaft parts are of undercut design, is provided with a...
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7037383 |
Process for producing a component from metal
A process for producing a component of metal includes a) carrying out a heat treatment to harden the component, which ends with a heating process, especially with a tempering or microstructural...
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6963057 |
Simultaneous induction heating of multiple workpieces
Multiple workpieces are inductively heated by passing them through one or more induction heating coils. Passage of a section of each workpiece through a coil may oscillate in the forward and...
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6884975 |
Localized stress relief by induction heating
A system and method inductively heats and stress relieves a weld joint area having a stress induced zone. A susceptor assembly is positioned over the stress induced zone. The susceptor assembly...
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6855217 |
Method of baking treatment of steel product parts
The present invention relates to a method of baking treatment of steel product parts using a high frequency or ultra-high frequency for preventing delayed fracture from occurring due to diffusive...
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6843866 |
Process for producing wear-resistant surface layers
Process for the effective production of very wear-resistant layers in the thickness range of 0.2 to approx. 3 mm by way of inductively supported surface layer modification. It can be used...
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6811622 |
Semifinished and finished products made of austenitic special steel and method for the production thereof
The invention relates to semifinished and finished products made from special corrosion-resistant precipitation-hardened austenitic steel containing a large amount of intersticially dissolved...
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6797084 |
Method of manufacturing case hardened journal cross for use in a universal joint
An apparatus for manufacturing a case hardened journal cross includes an inductor having an open side to allow the journal cross to be inserted and withdrawn from the induction process with...
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6765181 |
Inductor assembly
An apparatus and process are provided for induction heat treatment of electrically conductive workpieces. The inductor assembly is formed from a single piece inductor that utilizes an electrically...
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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...
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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...
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6576877 |
Induction processing with the aid of a conductive shield
A method for induction heating a workpiece made of a material such as ferrous material or alloy is carried out by placing a non-magnetic conductive shield in proximity to a current concentrating...
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6506269 |
High-strength and high-conductivity Cu-(Ni, Co, Fe)-Si copper alloy for use in leadframes and method of making the same
A high-strength and high-conductivity copper alloy is disclosed which contains essentially of: (a) from 0.5 to 2.5 wt % of Ni; (b) from 0.5 to 2.5 wt % of Co; (c) from 0.5 to 0.8 wt % of Si; (d)...
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6498324 |
Induction heating device for rolling roller and method of induction heating
An induction heating device is disclosed for heating a rolling roller by induction heating so as to equalize the diameter of the rolling roller. The device includes an induction heater and a means...
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6463779 |
Instant heating process with electric current application to the workpiece for high strength metal forming
A process and relevant tools for hot forming of high strength metal workpieces by means of applicating high density current to the workpiece directly and generating heat inside it by using its own...
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6455825 |
Use of miniature magnetic sensors for real-time control of the induction heating process
A method of monitoring the process of induction heating a workpiece. A miniature magnetic sensor located near the outer surface of the workpiece measures changes in the surface magnetic field...
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6398881 |
Wear-resistant camshaft and method of producing the same
The invention concerns a wear-resistant camshaft and a method of producing the same. Objects in which the application of the invention is possible and useful are all cast-iron parts which are...
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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...
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6383315 |
Profile clamp and method for manufacturing a profile clamp
A steel profile clamp is used to join flanged component parts. The profile clamp has at least partially conical side walls that are bent radially inwardly. The profile clamp has welding joints to...
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6384388 |
Method of enhancing the bending process of a stabilizer bar
A method of enhancing the bending process of a stabilizer bar by locally pre-heating the stabilizer bar immediately prior to formation. By pre-heating the stabilizer bar, the stress in the...
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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...
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6264768 |
Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique
A method and apparatus disclosed for cost-effective net shape precision ausform finishing the engagement surfaces of ball and roller bearings, for enhancing the surface strength and durability of...
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6187118 |
Method for heat-treating steel work pieces
A method of heat-treating a work piece of high-alloy steel by hardening involves relatively briefly annealing the work piece before hardening, followed by cooling the work piece. The brief...
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6171416 |
Method of producing can steel strip
At least both ends of a sheet bar in the length direction, which is obtained by roughly rolling a steel slab including 0.1 wt % or less of C, 0.5 wt % or less of Si, 1.0 wt % or less of Mn, 0.1 wt...
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6149740 |
Method of and apparatus for manufacturing hot rolled steel strips, in particular from strip-shaped continuously cast primary material
A method of and apparatus for manufacturing hot-rolled steel strips from a continuously cast primary material, preferably thin slabs, in a plurality of successive steps in a continuous operation is...
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6093268 |
Corrective tempering method for rolling elements
In a corrective tempering method and apparatus for a rolling element in which the thermal deformation of the rolling element is corrected within an extremely short time by utilizing plasticity...
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6083329 |
Gas shielding apparatus and gas shielding method
A gas shielding apparatus comprising a main gas jacket having induction heating means, and front gas jacket and rear gas jacket integrally disposed at supply side and discharge side of a member to...
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5972134 |
Manufacture of a metallic molded structural part
The invention is directed to a process for the manufacture of a metallic molded structural part (1) for motor vehicle components such as door impact girders or bumpers with areas (2) with a higher...
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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...
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5935352 |
Process for production of a steel component
A process for production of a steel component having a hard, carbon rich dissolved surface and a tough, low carbon dissolved core, incorporating the following steps: using an alloyed steel with...
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5906691 |
Induction hardened microalloy steel having enhanced fatigue strength properties
Improved fatigue strength properties are achieved in an induction hardened microalloy steel useful for demanding service environments. The microalloy steel has low carbon and sulfur contents,...
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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...
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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...
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5672217 |
Method for producing machine elements of steel
In a method for producing machine elements of steel having a carbon content of 0.3 to 1.1%, blanks are heated to austenitizing temperature and austenitized, quenched for the formation of...
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5667605 |
Method of fabrication of a piece of structural steel, and the steel fabricated thereby
The invention relates to a method for fabricating a piece of structural steel that includes thermal or thermomechanical treatment steps that could ordinarily lower the fatigue strength and shock...
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5651839 |
Process for engineering coherent twin and coincident site lattice grain boundaries in polycrystalline materials
A process for producing coherent twin, incoherent twin, low angle tilt, high angle tilt or CSL grain boundaries in materials is described. A planar material or a planar substrate coated with the...
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5630957 |
Control of power to an inductively heated part
A process for induction hardening a part to a desired depth with an AC signal applied to the part from a closely coupled induction coil includes measuring the voltage of the AC signal at the coil...
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5490908 |
Annealing and descaling method for stainless steel
A method for processing stainless steel strip or sheet provides for cleaning the surface of the stainless steel with a solution selected from the group consisting of water and alkaline-based and...
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5472528 |
Heat-treatment method for metal strips
Method of continuous heat-treatment of metal strips, wherein the strip which is to be heat-treated passes through a furnace which is thermally isolated and in a protective atmosphere, consisting of...
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5444221 |
High-frequency induction heating apparatus for rocker arms
Disclosed is a high-frequency heating apparatus including an elongated chamber in which a plurality of rocker arms are introduced, each of the rocker arms being attached with a chip and brazing...
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