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Patent Searching and Data


Matches 351 - 400 out of 3,402

Document Document Title
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,...  
WO/2001/081026A3
The invention relates to metallurgy, more precisely to the thermomechanical treatment of billets having a large-grained laminar structure, in particular to titanium and alloys thereof, in order to obtain a defined microstructure for said...  
WO2001040525A3
A method of making high-strength steel structural members is disclosed by providing a flat-rolled blank of high strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by...  
WO/2001/075186A1
A hot rolled wire or steel bar for machine structural use which is capable of dispensing with annealing, characterized in that it has a chemical composition in mass %: C: 0.1 % to 0.5 %, Si: 0.01 to 0.5 %, Mn: 0.3 to 1.5 %, and balance: ...  
WO/2001/071208A1
A method for finishing the surface of a rolling contact component, such as a bearing rolling element, a bearing ring or a traction drive rolling element, comprises the steps of: carrying out a cutting operation on the surface, subsequent...  
WO/2001/066807A1
The invention relates to a method for reinforcing a tank wall, which method comprises the steps of: providing a tank with a steel tank wall defining an interior space; providing a reinforcing pressure in said interior space, which reinfo...  
WO2000047354A9
A metallic alloy composition is manufactured into products such as press formed or stamped products or rolled products such as sheet, strip, rod, wire or band by one or more cold working steps with intermediate or final flash annealing. ...  
WO/2001/064397A2
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/2001/064398A2
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 ...  
WO/2001/058617A1
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/2001/049887A1
The invention relates to iron metallurgy and more specifically to a modification of the physical properties of steel with the aid of deformation, including hot deformation. The invention can be used for plastic processing of blanks and a...  
WO/2001/040525A2
A method of making high-strength steel structural members is disclosed by providing a flat-rolled blank of high strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by...  
WO/2001/038693A1
A device (1) for expanding a pipe comprising a bi-conical sleeve (3) having a first section (5) and a second section (11), which sections (5, 11) are provided with at least two longitudinal guide channels (20), first wedges (25), wherein...  
WO/2001/036699A1
A composition and method for the manufacture of products of a precipitation hardenable martensitic stainless steel, the composition of which comprises at least 0.5 % by weight of Cr and at least 0.5 % by weight of Mo wherein the sum of C...  
WO/2001/036692A1
The invention concerns a method for ultrasonic shot blasting of large-dimensioned annular surfaces (5) on thin workpieces (1). Said method is characterised in that the surface to be shot blasted (5) performs at least N = five revolutions...  
WO/2001/031071A1
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/2001/016390A1
A law material for bearing parts which comprises a steel having been hardened by heat treatments and has a surface layer part to be subjected to shot peening treatment having tempered martensite structure, characterized in that the tempe...  
WO/2001/010578A1
A hot finish-rolling method for bar steel, which can improve a dimension accuracy and uniformize its structure, and which uses a 2-stand/3-roll finishing mill, wherein a final-finish-pass reduction of area is 10 to 20 % and a final-finis...  
WO/2000/075381A1
Spring steel having a hardness expressed by a Brinell ball indentation diameter of at least 2.7 mm is kept insulated at 150 to 350°C, and is subjected to warm stress peening with a stress given to the spring steel at the above temperature.  
WO2000047354B1
A metallic alloy composition is manufactured into products such as press formed or stamped products or rolled products such as sheet, strip, rod, wire or band by one or more cold working steps with intermediate or final flash annealing. ...  

Matches 351 - 400 out of 3,402