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| Number | Title | Issue Date |
| 8118954 | Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening A method for producing a metallic component (B) allows adjoining zones (Z1, Z2, Z3) having differing material properties to be produced in a manner which is simple in terms of production. This is achieved in that a sheet metal element (E) heated... | 02/21/2012 |
| 7892370 | Heat treatment method for monocrystalline or directionally solidified structural components The invention relates to a heat treatment method for monocrystalline or directionally solidified structural components. Said method comprises a heat treatment which results in dissolving at least one crystalline phase of the material of the structural component, ref... | 02/22/2011 |
| 7744709 | Welding repair method for full hoop structures A unique heat treat method for relieving stresses caused by a repairing weld joint in a full hoop part heat treats locally, at the location of the weld joint, and at a diametrically opposed location. By providing the diametrically opposed heat treat location, the pr... | 06/29/2010 |
| 7147731 | Flanged parts producing method, and heat-treating device and heat treating method therefor A spacer 44 is inserted between an upper end face 44a of a contact column 40, and a lower face of a flange 14. The flange 14 is supported at plural positions by supporting columns 42. In heating a shoulder portion ... | 12/12/2006 |
| 6921444 | Method of locally heating a part to reduce strength and increase ductility for subsequent manufacturing operation A method of performing manufacturing operations on a workpiece made of a high strength alloy is disclosed in which a local area of a workpiece is heated to micro-structurally soften the local area. The local area of the workpiece becomes softened and more ductile. A... | 07/26/2005 |
| 6878250 | Sputtering targets formed from cast materials Described is a high quality sputtering target and method of manufacture which involves application of equal channel angular extrusion. ... | 04/12/2005 |
| 6793831 | Microlamination method for making devices A method for fabricating devices in a pre-assembled state comprising forming plural laminae, registering the laminae, and bonding the laminae one to another is described. The plural laminae contain the substructures and structures of the device. The substructures ar... | 09/21/2004 |
| 6638381 | Method for preparing ultra-fine grain titanium and titanium-alloy articles and articles prepared thereby A method for preparing ultra-fine grain titanium or titanium-alloy articles used for adjoining or assembling of detail components. Coarse-grained titanium or titanium-alloy materials typically are heated and forced under constant pressure through a fricti... | 10/28/2003 |
| 6503346 | Fuel rod cladding tube for a boiling water reactor fuel rod and the production thereof Cladding tube for a fuel rod for a boiling water reactor fuel element, and its production. The cladding tube is composed practically homogeneously of the constituents of zircaloy and, with the ductility parameter γ=3 (kd)/(fr)2ࣘ3.5 | 01/07/2003 |
| 6394793 | Method and apparatus of cooling heat-treated work pieces A method and apparatus for cooling heat-treated metallic work pieces, particularly jet engine components that are normally round in shape, have a complex radial cross-section, and are subject to subsequent machining steps, includes a set of concentric air... | 05/28/2002 |
| 5958152 | Chromized heat-resistant alloy members and a process for the production thereof To provide heat-resistant alloy members that maintain the resistance to corrosion at high temperature of the chromized layer formed on Ni- or Co-base heat-resistant alloys and which yet are improved in various mechanical properties. The improved Ni- or Co... | 09/28/1999 |
| 5833777 | Base plate for suspension assembly in a hard disk drive with a hardened flange and soft hub A base plate for a suspension assembly in a hard disk drive wherein the base plate has a hardened flange and soft hub. The base plate is stamped in a progressive die in a sequence of forging and coining operations. The base plate is subsequently fully ann... | 11/10/1998 |
| 5759309 | Thermal process for selectively hardening track chain links A process for selectively hardening a forged track chain link has the following steps. A forged track chain link having a pad portion, a rail portion, a first side portion and a second side portion, is provided. A quench tank is provided and adapted for s... | 06/02/1998 |
| 5730811 | Cavity dumped laser shock peening process A laser shock peening apparatus includes a cavity dumping laser oscillator including in optical serial alignment a first mirror, a Pockels cell, a polarizer, a laser rod, and a second mirror defining a cavity having an optical length between the mirrors. ... | 03/24/1998 |
| 5447583 | Extrusion quenching apparatus and related method Apparatus for cooling a metal extrusion, such as an aluminum extrusion, may include a carriage which houses the cooling liquid delivery system and is relatively movable with respect to the extrusion press in order to provide the desired amount of air cool... | 09/05/1995 |
| 5419792 | Method and apparatus for cooling a workpiece Cooling of a workpiece is conducted at selected workpiece locations in accordance with predetermined heat flux, at the locations, required to result in a desired workpiece cooling rate for workpiece integrity, microstructure and mechanical properties. A c... | 05/30/1995 |
| 5360495 | Process for hardening cutting edges with an oval shaped plasma beam An apparatus and process for hardening cutting edges having various widths. The apparatus includes a plasma torch for projecting a plasma beam through an outlet nozzle. The outlet nozzle has a length parallel to the cutting edge and a width perpendicular ... | 11/01/1994 |
| 5238510 | Metal sheet and method for producing the same Disclosed is a method for producing a metal sheet having a full-hard central portion extending between at least two softer side edge portions of the sheet. The method comprises the step of heating the side edge portions of the sheet portions of the sheet ... | 08/24/1993 |
| 4842655 | Process for improving resistance of metal bodies to stress corrosion cracking A process for improving resistance of pressure vessel shells, tubesheets, tubes, pipes, pipe fittings and machine parts to stress corrosion cracking comprising heating at least those portions of such bodies subject to danger by stress corrosion cracking t... | 06/27/1989 |
| 4816089 | Process for heat treating a heat exchanger tube surrounded by a support plate A process for rapidly and uniformaly heat treating an Inconel.RTM. heat exchanger tube in the vicinity of a heat sink such as a support plate is disclosed herein. The process utilizes a radiant heater assembly capable of directing heat along a zone whose ... | 03/28/1989 |
| 4767473 | Method for improving the dynamic strength of wheel disks of vehicle wheels made of heat-treatable aluminum alloys A vehicle wheel formed of a heat treatable aluminum alloy and including an axially center area and opposite axially end areas is subjected to a solution heat treatment and then is cooled in a controlled manner to improve the dynamic strength of the wheel.... | 08/30/1988 |
| 4522659 | Method and apparatus for the manufacture of record stampers An improved method and apparatus is provided for the manufacture of stampers in which the stampers are electroformed from a relatively hard metal in a flat configuration and then, either before or after shaping of the shaped inner and outer edges, but pri... | 06/11/1985 |
| 4412871 | Cast copper alloys The disclosure teaches improved cast copper alloys exhibiting surprisingly good hot rollability and a method of processing copper base alloys to provide cast structures having good hot rollability, especially those containing silicon and tin. In accordanc... | 11/01/1983 |
| 4411715 | Method of enhancing rotor bore cyclic life A method of enhancing or prolonging the low cycle fatigue life of the bore area of a rotating disk. The method comprises the step of prestressing the bore area by heating the web/rim area of the disk, while moderately overspeeding the disk. The heating ca... | 10/25/1983 |
| 4405386 | Process and apparatus for improving cold rollability and/or strip annealability of metals and metal alloys Selective heating of edge and near-edge portions of a strip material is used to increase the ductility of the strip material at these portions and to improve the cold rollability and/or strip annealability of the strip material. The selective heating may ... | 09/20/1983 |
| 4110092 | Method of apparatus for cooling inner surface of metal pipe A cooling method and apparatus wherein in the process of continuously hardening a metal pipe by heating the metal pipe as it passes through a heating unit and then cooling the inner surface of the metal pipe, an annular cooling nozzle having a large numbe... | 08/29/1978 |
