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Patent Searching and Data


Matches 201 - 250 out of 2,154

Document Document Title
WO/2007/105775
Manufacturing of metal members, such as structural members for use in aircraft, automobile, etc., involving shot peening treatment of a surface of metal material, in which the fatigue characteristics can be enhanced without any marked ch...  
WO/2007/099949
A steel pipe excellent in steam resistance oxidation characteristics and its manufacturing method. The steel pipe excellent in steam resistance oxidation characteristics contains 9-28 mass% of Cr, characterized in that the surface area i...  
WO/2007/096929
An optical method is described for evaluating the surface- hardening of a metallic or a metal-containing material, wherein the hardness depends on the formation of nanos- tructures in layers close to the surface of the sample. The method...  
WO/2007/096929
An optical method is described for evaluating the surface- hardening of a metallic or a metal-containing material, wherein the hardness depends on the formation of nanos- tructures in layers close to the surface of the sample. The method...  
WO/2007/082786
A flat product according to the invention which has been produced from a low-alloy steel containing iron and unavoidable impurities together with (in % by weight) up to 0.45% of C, up to 2.20% of Si, up to 2.50% of Mn, up to 0.12% of P, ...  
WO/2007/079876
Compared to conventional steel products, polyphase steels have a significantly improved combination of resistance and ductility and are therefore becoming more and more important - especially for the automobile industry. The currently mo...  
WO/2007/076766
It was surprisingly found that when a suitable binder including a suitable filler is used during the high temperature treatment of a curing process, the coating materials of the invention change in such a manner that electrically conduct...  
WO/2007/076769
The invention relates to a coating material for substrates. The aim of the invention is to provide a coating material which has both an anticorrosive and a tribological effect. For this purpose, the coating material contains between 0.5 ...  
WO/2007/066540
A method of enhancing the fatigue strength of burr toe portions in the vicinity of friction welded joint with burr so that the fatigue strength of the vicinity of friction welded joint with burr obtained by welding together two metallic ...  
WO/2007/060284
The invention relates to a forming device for smoothing the surface of a workpiece. The forming device (1) comprises a machining unit (2) having a tool (3) which sets against the surface of the workpiece, the tool being arranged to direc...  
WO/2007/049915
Provided are a steel sheet for an automotive muffler and a method for producing the steel sheet. The steel sheet includes 0.01% by weight or less of C, 0.1 to 0.3% by weight of Si, 0.3 to 0.5% by weight of Mn, 0.015% by weight or less of...  
WO/2007/034063
The invention concerns a method for making a steel part of multiphase microstructure, said microstructure comprising ferrite and being homogeneous in each of the zones of said part, including the following steps: cutting a blank in a ste...  
WO/2007/020914
A high-strength austenitic stainless-steel wire having excellent cold workability, characterized by having a chemical composition comprising up to 0.08 mass% C, 0.05-1.0 mass% Si, 0.20-2.0 mass% Mn, up to 0.045 mass% P, up to 0.030 mass%...  
WO/2007/016919
Electromechanical knocking device and knocking method for working, smoothing and cold-hardening the surface of tools, machine parts and other parts by hammering an impact head onto the surface of the said parts by means of mounting them ...  
WO/2007/015859
A method is disclosed for rounding and/or flattening an annular part that is out of round and/or not flat due to non-uniform internal stresses. The part is first checked for out of round and/or out of flat conditions. Out of round parts ...  
WO/2007/015859
A method is disclosed for rounding and/or flattening an annular part that is out of round and/or not flat due to non-uniform internal stresses. The part is first checked for out of round and/or out of flat conditions. Out of round parts ...  
WO/2007/013422
Processing including the grinding step of forming a friction surface of at least part of a rolling friction surface and sliding friction surface of motion guide apparatus making use of rolling elements by grinding using a whetstone and t...  
WO/2006/124616
Ultrasonic peening treatment is desirable where an application of a compressive stress is helpful to reduce the incidence of crack formation on highly stressed parts. Ultrasonic peening treatment can be performed in field applications wi...  
WO/2006/124616
Ultrasonic peening treatment is desirable where an application of a compressive stress is helpful to reduce the incidence of crack formation on highly stressed parts. Ultrasonic peening treatment can be performed in field applications wi...  
WO/2006/119944
Disclosed is a method for hardening fillets of a shaft (1), especially a crankshaft (1). According to said method, at least some of the fillets (3) are hardened at bearing points of the shaft (1) in a hardening process comprising inducti...  
WO/2006/119359
Method of producing products having at least a portion thereof with a nanocrystalline microstructure . The method entails machining a body to produce a polycrystalline chip having a nanocrystalline microstructure. The chips produced by t...  
WO/2006/119359
Method of producing products having at least a portion thereof with a nanocrystalline microstructure . The method entails machining a body to produce a polycrystalline chip having a nanocrystalline microstructure. The chips produced by t...  
WO/2006/111829
A method for obtaining enhanced fatigue strength in welded metal joints and -components comprising a weld toe (9) subjected to cold working such that a visible and/or measurable indentation at the weld toe (9) is produced. The cold worki...  
WO/2006/100149
The invention relates to a method for deep rolling the passes or radii on the transitions between journal and cheeks or flanges of crankshafts by means of a deep rolling device (1) of a deep rolling machine, said deep rolling device havi...  
WO/2006/086853
A method of producing coil plate on a hot strip mill is disclosed. The method includes coiling hot rolled coil plate strip at a temperature that is selected (a) to minimise precipitation of Cr/Mo carbides or (b) so that any Cr/Mo carbide...  
WO/2006/066717
The invention relates to a method for treating a component comprising a metallic or ceramic material with a crystalline, semi-crystalline or amorphous structure. According to said method, to case-harden the component, at least part of th...  
WO/2006/058518
The invention relates to a method for hardening the surfaces of components. In order to harden a surface (11) of a component (10), a relative movement or advancing movement between the component (10) and at least one sonotrode-type tool ...  
WO/2006/057836
Non-detachable welded joints with certain new or improved properties and the provision of such non-dtachable welded joints by ultrasonic impact treatmetn, is described involving conforming to select treatment parameters to control the fo...  
WO/2006/051285
A compressor wheel (7) is disclosed comprising an array of blades (20) extending from central hub (21) adapted from attachment to a rotatable shaft (8) and a backface (25). A region of the surface of the compressor wheel backface (25) is...  
WO/2006/045461
The invention relates to a mechanically-stressed actuator or bearing component, made from steel alloy, with an alloy component of less than 7 % and a carbon content of 0.5 - 2.2 %, with at least one mechanically-stressed functional area ...  
WO/2006/040030
The invention relates to a method for coating metal surfaces, whereby at least one layer of a composition is applied to the surface, said composition comprising hydrolyzates/condensates of at least one silane or a silicone resin binder a...  
WO/2006/017880
A method of manufacturing steel components particularly suited to components such as steering racks having net shape forged gear teeth. The method comprising heating at least a portion of a steel blank to a first temperature of at least ...  
WO/2005/123975
The invention relates to a steel with high mechanical strength and wear resistance. More specifically, the invention relates to a method of reducing the segregated veins of a steel having high mechanical strength, high wear resistance an...  
WO/2005/121387
A titanium alloy part according to the present invention has a compressive stress of approximately 270 MPa or more within a depth of about 100 &mgr m from a surface thereof. Since a large compressive stress exists in the area of the surf...  
WO/2005/105362
The present invention relates to a method for joining two or more components and/or construction parts, at least one of which consists of a dispersion-strengthened alloy having the following composition (in % by weight): C up to 0,08 Si ...  
WO/2005/100625
A steel product for a cargo oil tank which has a chemical composition containing C: 0.01 to 0.2 %, Si: 0.01 to 1 %, Mn: 0.05 to 2 %, P: 0.05 % or less, S: 0.01 % or less, Ni: 0.01 to 1 %, Cu: 0.05 to 2 %, W: 0.01 to 1 %, Cr: 0.1 % or les...  
WO/2005/100618
The inventive average or small size mechanical steel part is produced by hot forging or cold stamping i.e. by plastic processing of a long ferrous semi-product which is obtainable by continuous casting and hot rolling in the austenitic p...  
WO/2005/090617
The invention relates to a method for increasing the bending strength and the endurance limit of crankshafts by locally restricted hammering in areas of high stress, such as grooves, the mouths of bores and cross-sectional transition zon...  
WO/2005/090618
The invention relates to a method for increasing the fatigue strength of crankshafts (1) for motor vehicle engines by hardening the crankshaft (1) at least in the hazardous regions (14) from the junctions of the journals (2 to 6, 9 to 12...  
WO/2005/085480
The invention relates to a method for producing a structural part, especially a die-formed part, from hypereutectoid steel, wherein the structural part is produced in one or more hot-forming steps by means of contoured tools starting fro...  
WO/2005/080623
[PROBLEMS] A metal working method capable of continuously forming various metal elements that are increased in strength or ductility by micronizing a metallographic structure to thereby improve mass-productivity and reduce costs, and a m...  
WO/2005/074600
A method for cold working spot welded structures to improve fatigue life, and structures made by the method. Partially finished structures are provided assembled and joined by a spot weld nugget (50). Opposing indenters (46,48), or an in...  
WO/2005/075873
A screw joint for oil well pipe obtained by improving a conventional screw joint for oil well pipe to secure a sufficient fatigue breaking strength; and a method of producing the same. It is arranged that the axial residual stress in the...  
WO/2005/074457
Coarse-grained titanium and ultrafine-grained (UFG) titanium billets were processed into titanium foil cold rolling and intermediate annealing. The foil produced from the UFG titanium billet exhibits a homogeneous nanostructure. By contr...  
WO/2005/070614
A process for stably forming an ultrafine crystal layer on the surface of a metal product at a low cost. A hole part (1) is bored in a workpiece (W) by means of a drill (D) and a large strain is imparted to the inner circumferential surf...  
WO/2005/068674
Disclosed is an austenitic stainless steel with excellent stress corrosion cracking resistance which is characterized by consisting of, in weight%, C: 0.030% or less, Si: 0.1% or less, Mn: 2.0% or less, P: 0.03% or less, S: 0.002% or les...  
WO/2005/068666
The inventive method discloses the local, adapted and controlled introduction of internal compressive stress in convex and concave regions, such as the root region of turbine blades, by means of at least two pressure generators (25, 25',...  
WO/2005/063442
The invention relates to a method for machining radii on prefabricated crankshafts (1) of automobile engines. According to said method, the peripheral layers of the crankshaft radii (10 to 13) are hardened to a depth of one millimeter at...  
WO/2005/058546
The invention relates to a fixed roller head (1) comprising two housings (6, 7) for rolling the outer radii or passes (2, 3) of adjacent lifting journals (4) of split-pin crankshafts (5) with the aid of two fixed rollers (10, 11) which a...  
WO/2005/059193
The invention relates to a cold-rolled fixing screw consisting of a low-alloy carbon steel with a high degree of deformation according to the ratios of external diameter to core diameter of > 1.2 and pitch to external diameter of > 0.23,...  

Matches 201 - 250 out of 2,154