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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 ...
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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...
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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 ...
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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...
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WO/2001/090605A1 |
The automatic transmission for vehicles has a housing in which a number of clutches and brakes are located, an input shaft and an output shaft and at least one torque-guiding shaft (1), which is provided with an axial central bore (3) an...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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 ...
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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...
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WO/1994/005441A1 |
This is the method to make straight the metal barrel of the weapon. In this method the barrel is turned elastic blow, which makes the crystal construction of the metal barrel to vibrate so, that this vibration will eliminate tensions, wh...
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WO/1993/009890A1 |
The invention relates to a method of improving the fatigue life of holes and cut-out portions formed in material sheet wherein on at least one area on the sheet where a hole is to be formed or a hole for the cut-out portion is to be form...
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WO/1991/011273A1 |
A coating is applied to the outside diameter surface of a bushing used to coldwork in a hole in a work piece. The bushing having the coating is positioned and fixed axially with respect to the hole and then expanded by an expansion mandr...
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WO/1990/006856A1 |
According process for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, the freedom ranges, of a conventional machine, are mechanized and subjected ...
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WO/1986/000554A1 |
A composite assembly knurling tool for forming uniformly-spaced horizontal serrations continuous across the surface of a metal flake producing drum. The knurling tool comprises an alternating array of spacer (15, 17, 19, 21, 23) and form...
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WO/1984/004896A1 |
A lubricant forced through a hollow needle (42) saturates an encircling felt pad (40), a hole through parts to be joined is uniformly roughened (54) throughout its length to impart about 10 to about 175 micro inches of roughness to the s...
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WO/1984/000511A1 |
A wheel (16) of which the periphery is shaped as a profile which is complementary to that of the threading to be surfaced, is used as a cutter for roller burnishing a helical thread. The wheel (16) is idle mounted in rotation about an ax...
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WO/1980/001444A1 |
In large diameter electric motors, in particular engines for hydraulic power stations, the rotors are constituted by segments (1) made up of many metal sheets stacked by covering over and placed on a rotor brace (6). Following the stagge...
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JP7453508B2 |
To provide an impact treatment terminal capable of easily impact-treating an edge part of a metallic material.An impact treatment terminal which is attached to a tip part of a vibration device in its vibration direction to impact a metal...
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JP7448972B2 |
A method for material forming and/or cutting by means of a tool and a drive unit. The method includes moving the drive unit to provide kinetic energy to the tool, for the tool to strike a work material, so as to form and/or cut the work ...
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JP7397993B2 |
In a reprofiling method of a rail (2) of a laid rail track (1) during a travel movement of a machining vehicle (13) along a rail track (1) in a section of its running surface (10) located on the rail head (5), a machining unit (14) inclu...
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JP7354255B2 |
A method for surface treatment of a workpiece includes providing the workpiece with hardened workpiece surface, clamping the workpiece, removing material from the hardened workpiece surface with a material removal tool to produce a machi...
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JP2023070326A |
To provide a processing method of a machining object capable of imparting compressive residual stress to an inner wall surface of a hole regardless of a shape of the hole.A processing method of a machining object according to one aspect ...
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JP7277739B2 |
To reduce a physical burden of an operator in a site of a structural steelwork where peening is performed to a welded part.A peening system 1 includes: a peening device 2; a wire 3 connected to the peening device 2; a magnet device 4 att...
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JP7251605B1 |
A method for suppressing the growth of fatigue cracks in a bent portion of a metal plate, and a method for suppressing the growth of fatigue cracks in the bent portion. Provide auto parts. A method for suppressing fatigue crack propagati...
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JP7223130B2 |
A tool for mechanical surface treatment includes a housing, a roller body, and a resonator. The housing has a cavity for filling with a hydraulic medium having a basic pressure. The roller body is for rolling on a workpiece surface to be...
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JP7222667B2 |
Coupling device for a pipe, comprising a sleeve for receiving the pipe and at least one sealing member to provide a seal between the sleeve and the pipe, a pressure member for applying a pressure to the sleeve and to the pipe, and a grip...
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JP2023505074A |
SUMMARY OF THE INVENTION In order to provide a method of operating machine tools and to propose a system capable of monitoring tool installation, position, etc. on each machine without the need for extensive assembly work, the present in...
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JP7210719B2 |
A method for machining a bearing ring of a rolling bearing includes clamping a blank for the bearing ring in a machining machine, and applying a pulsating pressure using a machining body to structure and simultaneously harden an annularl...
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JP7205601B1 |
A method for suppressing the growth of fatigue cracks in a bent portion of a metal plate, and a method for suppressing the growth of fatigue cracks in the bent portion. Provide auto parts. A method for suppressing fatigue crack propagati...
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JP7174035B2 |
The invention relates to a roller burnishing tool 10 with a base body 12 extending along a longitudinal center axis 11, at least one roller holder 14 arranged radially adjustably on the base body 12, which holds a roller 15 rotatably, an...
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JP7138667B2 |
The invention relates to a method for post-processing a crankshaft (4), in particular in order to correct concentricity errors and/or for a length correction. Sectors (S1,S2,S3,S4,S5,S6) of the crankshaft (4) which produce and/or charact...
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