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WO/2012/053931A1 |
The invention relates to four-die forging apparatuses and can be used in the forging of ingots and blanks on hydraulic forging presses. The problem addressed by the invention is to reduce the time expended on removing the apparatus from ...
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WO/2012/043374A1 |
Provided are a manufacturing method for a blade material and a manufacturing device for a blade material, by which a long blade material can be manufactured without using a large-sized press forging machine. A manufacturing method for a ...
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WO/2012/042164A2 |
The present invention relates to forming tooling (100) comprising a fixed part (110) and a moving part (120) set in action by a one-way press, in a first direction (Z), said tooling (100) varying between an open position and a closed pos...
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WO/2012/043706A1 |
[Problem] To provide a drive wheel bearing unit and a method for manufacturing the same, the bearing unit being reduced in costs by reducing a cutting allowance and increased in the strength of a high-load portion to solve the mutually c...
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WO/2012/035663A1 |
[Problem] To provide a method and device having a simple configuration and being capable of producing crankshafts easily and with precision. [Solution] The present method is for producing a crankshaft (100) comprising a journal part (J),...
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WO/2012/031671A1 |
The invention relates to a method for inserting a sleeve (1), preferably a threaded sleeve, into a workpiece (3) by inserting the sleeve (1) into a passage (4a, 4b) that connects two bounding surfaces (3a, 3b) of the workpiece (3), in wh...
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WO/2012/013284A1 |
The invention relates to a die for forging a toothed section of a gear rack of a steering device, comprising a first die part (9) having a first molding recess (11) for molding the toothing and a second die part (10) having a second mold...
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WO/2012/010285A1 |
The invention relates to a method for producing a cooling channel system (1) for an internal combustion engine, which has a cooling channel (4) in the piston crown (2) thereof, the piston crown (2) being adjoined by a lower piston part h...
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WO/2012/008313A1 |
Disclosed is a novel and efficient method for manufacturing a press product in which a flat part (a vane part) and a rod part (a shank part) which is thicker than the flat part are integrated with each other. The method for manufacturing...
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WO/2011/160809A1 |
A device for the largely chipless formation of teeth (2) on a workpiece (3) using an axially shaping process is provided, comprising a female die (10), which is clamped in a clamping ring (16), comprises an inner recess (8) and a first s...
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WO/2011/161385A1 |
The present invention relates to a method for producing a solid component which in succession involves a step (240) of deforming a metal bar (40) by forging using two dies in order to obtain an intermediate component (50) comprising two ...
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WO/2011/161742A1 |
Provided is a gear for a transmission such that no involute curved surfaces are achieved on tooth surfaces; that no trochoidal curved surfaces are achieved on tooth bottom surfaces; that instead, free curved surfaces are achieved on the ...
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WO/2011/162455A1 |
The present invention relates to a forging device for manufacturing a thrust shaft for a vessel, and aims to provide a horizontal forging device for a thrust shaft for a vessel, which can easily mold a thrust shaft having flanges on two ...
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WO/2011/161195A1 |
The invention relates to a method for the permanent assembly of at least one first part formed by a first material (1) and at least one second part formed by a second material (2) and intended to trap said first part. The invention compr...
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WO/2011/157345A1 |
The invention relates to a feed device (2) for a bushing-widening device (1) for perforated bushing blanks (3) with a feed weight, when in a warm state, of several hundred tonnes, for example between 200 and 800 tonnes and preferably bet...
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WO/2011/147435A1 |
The present invention resides in a wheel bearing assembly (100) comprising a flanged hub (110) and at least one second component (130) that is joined to the flanged hub by means of a radially intermediate joint (160). Specifically, the f...
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WO/2011/146957A1 |
Method for producing a wheel (1), in particular a vehicle wheel, wheel (1), and spinning mandrel (14) for producing a wheel (1), comprising a rim body (2) which is adjoined by a front flange region (3), which is connected by way of a rim...
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WO/2011/147432A1 |
The present invention defines an assembly comprising a first component (110) joined to a second component (120) by means of an intermediate joint, whereby the first component has a first joining surface (112) arranged coaxially and in sp...
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WO/2011/144442A1 |
The invention relates to a method for producing a hollow toothed rack (3) for a rack-and-pinion steering for motor vehicles, comprising the following steps: a rod (2) is introduced in the hollow space of a slug (1) for the toothed rack, ...
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WO/2011/145693A1 |
Provided is a rolling bearing capable of stabilizing and retaining rolling elements and reducing production cost, while being excellent in strength, stiffness, thermal resistance, and dimensional accuracy without sacrificing performance ...
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WO/2011/140580A1 |
A die apparatus for forging a steering rack having a toothed portion and an array of gear teeth. The die apparatus comprising first and second assemblies movable towards each other. The first assembly comprising a first bolster and a too...
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WO/2011/141039A1 |
A welding element is formed from a sleeve (10), which is cold-pressed from a thin metal sheet and the open end of which forms the welding face, which is optionally provided with a flange (11). A thread (13) may be rolled in on the outer ...
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WO/2011/140230A1 |
A lightweight hybrid bearing assembly (110; 210; 310) and method of making thereof is disclosed. The bearing assembly includes an inner race (124; 224; 324) and an outer race (126; 226; 326) radially spaced from the inner race. One or bo...
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WO/2011/137021A1 |
The invention relates to a method for manufacturing an elongate tool with a working portion ( 2 ) and an insertion portion ( 1 ), the insertion portion being embodied to be received in a tool holder and having for this purpose at least o...
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WO/2011/134604A1 |
The invention relates to a ball pin (28), which comprises a pin stub (10) having a groove (22), and to a method for producing the ball pin (28). The pin stub (10) comprises a groove (22) for retaining a sealing bellows, wherein the groov...
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WO/2011/134603A1 |
The invention relates to a pin (10) and to a method for producing same. The bolt (10) has a groove (22) for retaining an additional body, wherein the groove (22) is produced at least partially by cold free-forming.
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WO/2011/125077A1 |
A lawnmower having a cutting blade enclosure manufactured by cold drawing a titanium sheet, preferably with a thickness of about 2 mm, and subsequently welding (or riveting) joints for dimensional recover of the formed blade enclosure.
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WO/2011/127046A1 |
The invention relates to a method for producing a drill bit, in particular a masonry drill bit, comprising a drill bit shank (1), wherein the drill bit shank (1) has an insertion section (2), a helical section (4) axially adjoining the i...
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WO/2011/124836A1 |
The process comprises: a) definition of the final hollow part in its internal portion after forging, with deformation of the solid or thinned-down sections; b) modelling of the solid and thinned-down sections; c) formation of the thinned...
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WO/2011/123073A2 |
The subject of the invention is a method for manufacturing a cartridge case by way of cold forming of seamed or seamless pipes and a cartridge case manufactured by way of subsequent coupling of a deformed pipe (B) by the method of the in...
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WO/2011/123520A1 |
A method for manufacturing a piece (10) including metal plate or strip material used in the construction industry, in which method holes (11) are formed in the metal plate or strip material by pressing the sheet or strip material at the ...
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WO/2011/122053A1 |
Provided is a method for forming a recessed portion serving as a ball return path by plastic working directly on the inner circumferential surface of a nut workpiece without damage to a molding die even when manufacturing a nut that has ...
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WO/2011/122263A1 |
Disclosed is an aluminium alloy forging for use in automotive suspension parts and the like, and a method of manufacture for same. The aluminium alloy forging contains Si 0.4-1.5 wt%, Fe greater than 0.4 wt% and equal to or less than 1.0...
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WO/2011/120062A1 |
The invention relates to a method for producing wheel axles, in particular for railway carriages, having a hollow axle body (1), which with respect to thickened bearing seats (2) forms shouldered axle stubs (3) for receiving the wheel an...
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WO/2011/120328A1 |
Disclosed is a vertical forging method for an integral type steering yoke of an automobile, which includes the following steps: a) adding materials to the inside surface (6) of the big yoke ear (5) of the automobile steering yoke and the...
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WO/2011/118378A1 |
Disclosed is a method of manufacturing a high-strength door hinge for an automobile from a tabular steel material at low cost, which comprises a pressing step in which a cylindrical bulging portion is formed at an end of the material in ...
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WO/2011/117063A1 |
The invention relates to a process for simultaneously producing more than one bearing ring for a tapered roller bearing and is characterized by the following process steps: an elongate sheet or wire material is used as starting material ...
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WO/2011/113556A1 |
The invention relates to a method for the non-cutting production of connecting, fastening or closing elements having an external thread from metal, for use as hollow screws, hollow shafts, threaded sleeves, and to a device suitable for c...
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WO/2011/114728A1 |
Disclosed is a ball screw having a formation, such as a flange, on the outer circumference of the nut, said formation being disposed on the portion of the outer circumferential surface of the nut corresponding to a ball circulation passa...
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WO/2011/111340A1 |
Disclosed is a method for manufacturing a blank for a parking pole comprising: an extraction process, extrusion process or rolling process for forming a long rectangular material (11) of a fixed thickness (T1) and a fixed height (H1); a ...
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WO/2011/103985A1 |
The invention relates to a component (10), a method and a tool for forming, in particular transversely extruding or upsetting, thin-walled preforms (2) to obtain components with a structure, particularly a serration, imposed on them, whe...
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WO/2011/104189A1 |
The invention relates to a method for impact-extruding workpieces (2) having a bore (3) extending therethrough in a longitudinal direction (Z) thereof, wherein the workpiece (2) is accommodated in a die (4) comprising at least one transv...
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WO/2011/104921A1 |
A method for manufacturing a hollow engine valve, capable of simplifying the manufacturing process and reducing the manufacturing cost. A method for manufacturing a hollow engine valve is configured in such a manner that, in order to for...
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WO/2011/073581A9 |
The invention relates to a method for manufacturing a dog ring gear (30), each dog (32) being made up of a front portion and a rear portion, said method including the following steps: forming, by means of compression and sintering, a rin...
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WO/2011/099711A2 |
The present invention relates to a method for manufacturing a contact tip for a welding torch through forging, which is capable of preventing a failure in inner diameter dimension accuracy of a feeding path, which may occur during a draw...
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WO/2011/096212A1 |
Disclosed are: a forged billet having excellent mechanical strength; a process for producing a forged billet; a pre-wheel having a light weight and excellent mechanical strength; and a process for producing a wheel. Specifically disclose...
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WO/2011/096178A1 |
Disclosed are: a forged billet which enables the production of a forged product (e.g., a wheel made from a light alloy) having excellent and uniform mechanical strength; a wheel made from a light alloy, which is produced from the forged ...
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WO/2011/091643A1 |
A material shearing and clamping device for an upset machine, and a working method of the material shearing and clamping device are provided. The material shearing and clamping device comprises a material shearing rod (130), a drive mech...
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WO/2011/092040A1 |
The invention relates to a method for the high-pressure-tight connection of at least one plate-shaped body (1, 2) to a further body of a fuel injector, wherein a clamping sleeve (3) is used by means of which the bodies (1, 2) to be conne...
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WO/2011/089329A1 |
The invention relates to a hollow crankshaft having an axial plane of symmetry, consisting of at least two main parts (2, 3) produced by forging and weld-assembled along the longitudinal axis of the crankshaft (1). According to the inven...
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