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Matches 351 - 400 out of 3,427

Document Document Title
WO/2003/074742A1
The invention relates a method for manufacturing an ultra-high-tensile sheet metal product of steel, at which the initial work piece used is constituted of a metal work piece of iron, alloyed with chromium, nickel and carbon in predeterm...  
WO/2003/059569A2
The present invention relates to a process for forming the root of a turbine blade using the EDM method. EDM machining of the root is done in a manner that any re-cast layer left behind is less than 1 micron. After EDM machining the turb...  
WO/2003/046242A1
A surface treatment process for enhancing the resistance to intergranular corrosion and intergranular cracking of components fabricated from austenitic Ni-Fe-Cr based alloys comprising the application of surface deformation to the compon...  
WO2003018221A3
The invention relates to a device for processing a metal slab, plate or strip, comprising a rolling mill stand with a roll nip between two driveable rolls, the rolling mill stand being designed to roll a metal slab, plate or strip betwee...  
WO/2003/039804A1
The welding apparatus (100) and associated method are provided. The welding apparatus includes a welding tool (102) for forming a weld joint (28) along the surface of at least one workpiece (12). The welding apparatus also includes a com...  
WO/2003/035295A1
A method for cold forming a flattened, end-threaded rod (10) into a U-bolt (20) answers the need for high-strength steel rods that can be bent into flattened U-bolts by spring and suspension repair facilities or the like. By controlling ...  
WO1996002676A8
A method of making high-strength steel structural members is disclosed by providing a blank of high-strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by rolling, up...  
WO/2003/033182A2
The invention relates to a device (1) for the production of flat metal (10). According to the invention, the device (1) comprises at least two rollers (2,3) extending in an essentially parallel manner and whose axes of rotation (4) are d...  
WO/2003/031660A1
Ferrous articles are austenitized, then converted to at least 60% bainite, and the balance substantially converted to martensite by quenching; the articles are then cold worked, preferably by both compression and tensile deformation to a...  
WO/2003/026815A1
The invention concerns a method and a device for producing microcrystalline materials, preferably sub-microcrystalline or nanocrystalline, by multiple plastic deformation of a sample of material, the external shape of the sample (1) corr...  
WO/2003/027337A1
An angular channel processing machine (10) including a die (12) which defines first and second channels (13,15) that intersect at an angle, drive means (11) to drive a workpiece (23) through the first channel (13) in a direction toward t...  
WO/2003/022469A1
The invention relates to a method for processing a metal slab or billet, in which the slab or billet is passed between a set of rotating rolls of a rolling mill stand to roll the slab. According to the invention, the rolls of the rolling...  
WO/2003/022482A1
A method of improving the performance and service life of a new bearing component (1), the component having at least one dynamic frictional surface the method includes subjecting the at least one dynamic frictional surface to a surface f...  
WO/2003/020456A1
The invention relates to a method for manufacturing an ultra-hig-tensile expanded metal of steel. The initial work piece used and constituted of a metal work piece of iron, which has been alloyed with chromium, nickel and carbon in prede...  
WO/2003/018221A2
The invention relates to a device for processing a metal slab, plate or strip, comprising a rolling mill stand with a roll nip between two driveable rolls, the rolling mill stand being designed to roll a metal slab, plate or strip betwee...  
WO2002042018A9
There is provided a new and improved apparatus (20) and method for rolling workpieces such as crankshafts (22). The apparatus has first (70) and second (72) rolling heads mounted at spaced positions along a common rolling arm (74) to rec...  
WO2002059383A3
A method of making high carbon content steel engine components is disclosed. The method includes pre-processing a supply wire of high strength steel having a spheroidized carbide microstructre and high-strength mechanical properties, app...  
WO/2003/008845A1
The invention relates to a sliding surface with areas which are harder in comparison with the base material. Said surface is easy to produce and has a long surface life. The harder areas in comparison with the base material are at least ...  
WO/2003/004708A1
A conventional steel C-channel used as a side rail in a truck frame is strengthened by forming, after heat treating, strengthening lips on the edges of the C-channel flanges while the C-channel is still hot from the final tempering step ...  
WO2002070166B1
A stainless steel wire provided a deformed edge area (1) having an increased thickness in comparison with the core (4) and consequently an increased resistance to corrosion in comparison with a wire without such an edge area, especially ...  
WO/2002/101097A1
The inventive method relates to reinforcing treatment of welded metalwork joints using a power ultrasound. Said method can be used for mechanical engineering, shipbuilding, bridge engineering and other branches of industry and constructi...  
WO/2002/096602A1
An improved method for media blasting a workpiece (20) is described. The media blasting method of the present invention includes the steps of positioning the work piece (20) in a part holder (130) for maintaining the workpiece in at leas...  
WO/2002/092255A1
Metal cold-working tooling (90) and method of employing such tooling. The tooling is used to produce deformation in a workpiece (132), to provide a selected beneficial residual stress profile in the workpiece, in order to provide high fa...  
WO/2002/088411A1
A duplex stainless steel with improved hot workability, useful for structural parts requiring both strength and corrosion resistance. The present invention is based on the study result that if the content of Cu is limited to 0-1.0% and t...  
WO/2002/083959A1
A method for producing a steel material having a high fatigue strength and given a uniform residual stress by a rapid treatment. A maraging steel is subjected to a cold plastic working to have a predetermined dimension, to a solution tre...  
WO2002059389A3
The invention relates to a steel for tools which are especially exposed to corrosion. Said steel has the following composition (in mass per cent): C: at least 0.02 and at most 0.12 %, Si: at most 1,5 %, Mn: more than 1.0 2.5 %, P: at mos...  
WO/2002/070166A1
A stainless steel wire provided a deformed edge area (1) having an increased thickness in comparison with the core (4) and consequently an increased resistance to corrosion in comparison with a wire without such an edge area, especially ...  
WO2001031071A9
An innovative combination of powder metallurgy and hot working steps have allowed for optimization of the processing route for extruded powder metallurgical iron aluminide that is produced from both water atomization and gas atomized pow...  
WO/2002/059389A2
The invention relates to a steel for tools which are especially exposed to corrosion. Said steel has the following composition (in mass per cent): C: at least 0.02 and at most 0.12 %, Si: at most 1,5 %, Mn: more than 1.0 2.5 %, P: at mos...  
WO/2002/059383A2
A method of making high carbon content steel engine components is disclosed. The method includes pre-processing a supply wire of high strength steel having a spheroidized carbide microstructre and high-strength mechanical properties, app...  
WO2001064397A3
The present invention is a novel method of reducing tensile zones in the surface of a part comprising the steps of selecting a region of the part to be treated and programming a control unit (132) of a burnishing apparatus (100) to perfo...  
WO/2002/042018A1
There is provided a new and improved apparatus (20) and method for rolling workpieces such as crankshafts (22). The apparatus has first (70) and second (72) rolling heads mounted at spaced positions along a common rolling arm (74) to rec...  
WO2001064398A3
The burnishing method and apparatus for implementing the method of the present invention utilizes a burnishing process to provide deep compression with a minimal amount of cold working and surface hardening. In particular, the method of ...  
WO2001090433A3
A surface treatment process for enhancing the intergranular corrosion and intergranular cracking resistance of components fabricated from austenitic Ni-Fe-Cr based alloys comprised of the application of surface cold work to a depth in th...  
WO2001058617A9
A compound indenter (18) for metal coldwork, and a method of employing such tooling. The compound indenter tool (18) is used to produce deformation in a workpiece structure (30), to provide a selected beneficial residual stress profile i...  
WO/2002/024372A1
Metal coldworking tooling and a method of employing such tooling. The tooling (130) is used to produce deformation in a workpiece (132), preferably via use of stress waves (150, 152), to provide a selected beneficial residual stress prof...  
WO/2002/024398A1
A method of cold fabricating an intermetallic alloy composition, comprising steps of coating an article of an intermetallic alloy composition with a viscous medium which provides a moisture resistant barrier on the surface of the article...  
WO/2002/024411A1
The invention concerns a method for transverse ultrasound peening of blades (2) on a rotor which consists in driving in rotation the wheel (3) bearing the blades (2) about its geometrical axis (6) arranged substantially vertically and in...  
WO2001058617A8
A compound indenter (18) for metal coldwork, and a method of employing such tooling. The compound indenter tool (18) is used to produce deformation in a workpiece structure (30), to provide a selected beneficial residual stress profile i...  
WO/2002/010461A1
The invention concerns a method for generating nanostructures to obtain a layer of nanostructures on a metal workpiece (10) surface characterised in that it comprises: a step which consists in mechanically and/or thermally stressing the ...  
WO/2002/010631A1
A stainless steel oil feeding pipe which uses as a raw material and is made from an austenite stainless steel exhibiting a hardness of 180 HV or less and a work hardening coefficient of 0.49 or less, or a ferrite stainless steel exhibiti...  
WO/2002/009908A1
A method of shot peening processing, characterized in that use is made of a peening material having a Vickers hardness (Hv) of 900 to 1100 and a Young' modulus of 200,000 Mpa or less is used; and an article which has been processed by th...  
WO/2002/010462A1
The invention concerns a method for generating nanostructures to obtain on a zone of a metal workpiece (10) a nanostructure layer with a specific thickness, characterised in that it comprises: a step which consists in shot peening on an ...  
WO/2002/010463A1
The invention concerns a mechanical method for generating nanostructures to obtain on a metal workpiece surface a nanostructure layer with a specific thickness, characterised in that it comprises: a step which consists in displacing in a...  
WO/2002/010332A1
The invention relates to a method for shaping structural parts, in particular, those for use in aviation and space travel. The structural parts comprise a plate-shaped base body and ribs. Said ribs are longitudinally extended, are approx...  
WO/2002/000378A1
A method for densification of the surface layer of an optionally sintered powder metal component comprising the steps of: decarburizing the surface layer for softening the surface layer of the component; and densifying the surface layer ...  
WO/2001/092399A1
The invention relates to non-inflammable, translucent polycarbonate molding materials containing oligophosphate and special, fluorinated polyolefins. Said materials exhibit excellent flame protection properties and resistance to chemicals.  
WO/2001/090433A2
A surface treatment process for enhancing the intergranular corrosion and intergranular cracking resistance of components fabricated from austenitic Ni-Fe-Cr based alloys comprised of the application of surface cold work to a depth in th...  
WO/2001/088210A1
Martensitic stainless steel with high resistance to corrosion, consisting of the following ingredients: Mn from 0.1 % to 0.3 %, P $m(F) 0.02 %, S $m(F) 0.002 % Cr from 10 % to 13 %, C $m(F) 0.02 wt%, Si from 0.1 % to = 0.3 wt%, Ni from 5...  
WO/2001/083129A1
A method of refining the grain structure and improving the hardness and strength properties of a metal or metal alloy workpiece (24) is disclosed. The workpiece (24) is subjected to forces that corrugate (28, 30) and then straighten (26,...  

Matches 351 - 400 out of 3,427