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Matches 151 - 200 out of 874

Document Document Title
WO2002049859A3
The invention relates to surface structuring, substantially comprising extremely fine grooves extending in an essentially parallel manner to each other, which are formed in groups on a surface. The structuring is carried out according to...  
WO/2003/092926A1
The invention relates to a method and a device for producing inserts (12) for safety shoes or protective shoes (14), said inserts (12) being made from a longitudinal form that is made of aluminum or an aluminum alloy and being provided w...  
WO/2003/087439A1
In order to obtain epitaxial growth according to state of the art, a plurality of strips often need to be regularly produced on a plane in order to form a repairing area. This leads to an overlapping and incorrect orientation of crystall...  
WO/2003/082514A1
The invention relates to a method for fine machining a cylindrical inner surface which is provided with materials having different degrees of hardness in the axial direction. The inventive method comprises the following steps: the surfac...  
WO/2003/080287A1
A passive-adaptive indentor (100) is provided for cold working a material that includes a material surface and a depth extending in a direction that is perpendicular to a direction of the material surface. The passive-adaptive indentor h...  
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/2003/014531A1
A method of manufacturing the component member of a VGS type turbo charger capable of efficiently performing a press forming when the manufacture is performed by the press forming using a die by various engineering improvements applied t...  
WO/2003/011495A1
Method and apparatus for coldworking holes using a reusable tubular seamless sleeve (24) made of shape memory alloys (SMA). The SMA sleeve having superelasticity property is prelubricated and is used with a mandrel (1) having a major dia...  
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...  
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/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/2002/078897A1
The invention relates to a method for producing a deep rolling roller (1) for a deep rolling tool for deep rolling radii or passes on the bearing and crank pins of the crankshafts of automotive engines. The inventive method is characteri...  
WO/2002/049859A2
The invention relates to surface structuring, substantially comprising extremely fine grooves extending in an essentially parallel manner to each other, which are formed in groups on a surface. The structuring is carried out according to...  
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...  
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 ...  
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...  
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/2002/022304A1
The invention relates to surfaces of tools, machines and work tools covered with a defined microstructure which consists of a plurality of microscopic cavities or projections. With the aid of said microstructure, material placed against ...  
WO/2002/018092A1
A method for the plastic moulding of the hub recess for a fast running turbine component is disclosed. According to the invention, the plastic moulding of the hub recess (2) occurs by hydraulic expansion, by means of a hydraulic fluid (8...  
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/2002/009905A1
The invention relates to a method and to a device for hardening a metal component by plasma pulse technology according to which the surface to be hardened is subjected to the plasma pulse not only in some points and the roughness of the ...  
WO/2001/092716A1
The invention relates to a method and a device for treating edges in a high-pressure fuel accumulator comprising a longitudinally extended tubular casing body (1) which is provided with a through recess (2) in a longitudinal direction, t...  
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/2001/064397A2
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/2001/058617A1
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/2001/023112A1
In prior art, devices for treating surfaces are only useful for removing easily removable coatings, whereby dry ice jet appliances are used for instance, or only for treating hard substrates, whereby needle appliances are used for instan...  
WO/2001/012381A1
A method of refurbishing turbine engine vanes (2) in which an alloy blend of a cobalt based superalloy and a nickel base superalloy corresponding to the base material of the turbine vane cobalt platform and the base nickel material of th...  
WO/2000/048773A1
A method of densifying the wall of an opening in a powder metal preform (20) includes forcibly extending a densification tool (10) through the opening (22) having a plurality of radially enlarged forming portions (16) arranged in axially...  
WO/2000/038878A1
It is arranged that a steel structure can be strongly assembled. In order to join two steel products, which form a steel structure or reinforcing members therefor, the junction surfaces of one and/or the other steel product are formed wi...  
WO/2000/020170A1
The burnishing method and apparatus (100) for implementing the method of the present invention utilizes a single-point burnishing process to provide deep compression with a minimal amount of cold working and surface hardening. In particu...  
WO/2000/018973A1
This method refers to a method by which the physical and mechanical properties intrinsic to a fine-grain structure may be formed in metal billets using pressure treatment. The method is designed to treat rods, bars and other particularly...  
WO1999047303A8
Tooling and a method of employing tooling (90, 130) to produce beneficial stress waves in a substrate (132) to provide high fatigue life structures. Stress waves (159, 152) are provided to work a substrate, causing dimples (170) in the w...  
WO/1999/061180A1
The invention relates to a special steel cooking vessel comprising a bottom (12), outer side surfaces (13), an inner surface (15) to said bottom, round surfaces (15) pertaining to said bottom and inner side surfaces (17). The inner surfa...  
WO1999047303A9
Tooling and a method of employing tooling (90, 130) to produce beneficial stress waves in a substrate (132) to provide high fatigue life structures. Stress waves (159, 152) are provided to work a substrate, causing dimples (170) in the w...  
WO/1999/056906A1
The present invention relates to a method for treating functional surfaces, i.e. surfaces determining tolerance and position accuracy, on objects (26) of metal, hereafter named matrix material. The invention is characterised in that the ...  
WO/1999/047303A1
Tooling and a method of employing tooling (90, 130) to produce beneficial stress waves in a substrate (132) to provide high fatigue life structures. Stress waves (159, 152) are provided to work a substrate, causing dimples (170) in the w...  
WO/1999/043457A1
The aim of the invention is to improve, by way of a surface activation, the bonding of a cylinder liner mounted in the cast material of a light-alloy crankcase. To this end the surface of the cylinder liner is mechanically roughened. In ...  
WO/1999/015303A1
The invention relates to a rolling device for generating pressured internal stress in a chamfer (5) running along the wall (2) of a material recess (3) in a component (4), comprising at least one carrier (7) which can move along said cha...  
WO/1998/026910A1
The invention relates to a method for increasing the solidity of surfaces of workpieces manufactured from hard brittle materials. The invention is characterized in that narrowly defined surface areas of the workpiece are brought into con...  
WO/1997/040961A1
A peening particle support having a plurality of asymmetrically arranged peening particles positioned to minimize tracking on a workpiece. The peening particles are attached to an exposed surface of the peening particle support. The peen...  
WO/1997/026112A1
In prior art processes for producing dynamically balanced valve seat surfaces, the valve closing face is brought into contact with the valve seat surface, rotated and caused to oscillate at high frequency parallel to the axis of rotation...  
WO/1997/012727A1
A method and apparatus for knurling a workpiece in which the knurl pattern has an oblique helix angle relative to the longitudinal axis of the cylindrical workpiece. Also disclosed is a method of molding a molded article with the knurled...  
WO/1996/031317A1
The surface (13) of a machine part with rolling and/or sliding contact has a plateau-like structure (17) which is formed by an at least two-stage honing process and is interrupted by a plurality of intersecting furrows (15) which extend ...  
WO/1996/030159A1
A cylinder liner (1) for a piston engine, such as a large two-stroke crosshead engine, has a running surface for the piston rings on the inner surface (7) of the liner. The cylinder liner has an internal diameter in the interval from 25 ...  
WO1996001912A3  
WO/1996/001912A2
An article (130) comprising a non-conductive substrate (136), preferably of an environmentally degradable character, having a thickness of an oxidizable metal coating (138) thereon, and optionally an oxidation enhancingly effective amoun...  
WO/1995/006543A1
A crank throw comprises two arms (1) and a crank pin (3). Each arm includes a bore (2) to be shrink-fitted over a pin portion on a main bearing pin. Before assembling the shaft, the bore (2) is subjected to a radial pressure of a level b...  
WO/1994/021427A1
The invention relates to a process for hard-rolling a component (2) to be loaded along a load axis (1) in a notch (3) running approximately parallel to the load axis (1) and having a minimum radius of curvature (4) to be determined in a ...  
WO/1994/007655A1
Proposed is a tool for working the surfaces of components, the tool having several different zones permitting a single tool to be used simultaneously to harden and polish the surfaces of components and, in particular, finish them true to...  

Matches 151 - 200 out of 874