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WO/2011/064098A1 |
The invention relates to a method for producing a bearing shell (8) and a swivel cradle bearing, in particular for an axial piston hydraulic unit. Said swivel cradle bearing is used in axial piston hydraulic units having adjustable displ...
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WO/2011/065297A1 |
Provided is an apparatus for manufacturing a plate-shaped gear teeth member such that forging can be carried out in one process using enclosed type dies, plastic deformation in a circumferential direction and an axial direction of the wo...
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WO/2011/062631A1 |
A baseboard radiator element (10) is formed of an aluminum tube (14) and fins or vanes (18) of aluminum sheet. An elongated strip of sheet aluminum (40) is bent into a fin assembly (12) of generally rectangular fins alternating with spac...
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WO/2011/060406A1 |
A down hole tool casting assembly, a gauge ring, and a method for preparing the gauge ring for use within the assembly. The gauge ring includes a bit diameter mold and one or more junk slot displacements extending inwardly from the inter...
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WO/2011/058235A1 |
The invention relates to a method and the associated equipment allowing the irreversible assembly of a self-lubricating bearing (1) with a metal part (2). The equipment includes a press device (3, 4) comprising two press elements, of whi...
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WO/2011/057933A1 |
The invention relates to a self-piercing rivet having a rivet head (14) implementing a head-like expansion (20) in particular having a truncated cone shape, and a shaft (15) adjacent to the rivet head (14) comprising at least one shaft g...
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WO/2011/058793A1 |
A method for producing a large-sized poppet valve which comprises a facing step for welding a facing material into a seat facing groove of a head, wherein the matrix of the valve comprises an Ni-rich base material and, in the facing step...
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WO/2011/054201A1 |
An upsetting press with two female dies and three punches is disclosed, wherein the first punch (3) and the second punch (4) are installed on a lifting plate (2), and the third punch (5) is utilized as a trimming punch or a forging punch...
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WO/2011/051496A1 |
The invention relates to a method for producing a, for example, cylindrical, conical, arcuate or helical hollow body from steel, having a mass of more than 100 t, - wherein a plurality of planar or curved sheet metal strips (2) are cut f...
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WO/2011/050815A1 |
An exhaust valve spindle (1) for an internal combustion engine, particularly a two-stroke crosshead engine, which exhaust valve spindle comprises a valve head (3) with a base portion (4) of an alloyed steel, and an outer facing (5) formi...
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WO/2011/052708A1 |
Disclosed is a method for producing a near-net-shape material for an engine piston, which comprises: a continuous casting step in which a cast rod (31) having a diameter of 85 mm or less is obtained by continuously casting a melt (30) of...
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WO/2011/048423A1 |
A method of production of a component having at least one dimension that is more than 200 mm, said method comprising the steps of: a) providing a titanium aluminide melt; b) providing a cold sand casting mould; c) mounting the mould and ...
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WO/2011/046196A1 |
A brake piston having required mechanical strength is produced through fewer steps than in conventional processes. An aluminum alloy having an Si concentration (CSi, mass%) and an Mg concentration (CMg, mass%) which are within the range ...
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WO/2011/041811A1 |
The invention relates to a sintered coupling ring (1), comprising an annulus of coupling teeth (2), which have flanks (4) that are drawn back and that extend from wedge-shaped end faces (3) and, on the side opposite the wedge-shaped end ...
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WO/2011/029630A1 |
The invention relates to a component, especially a control arm for a vehicle, comprising a base wall and a passage extending away from the base wall, especially a control arm lug. The invention further relates to a method for producing s...
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WO/2011/029652A1 |
The invention relates to a windshield wiper device (1), in particular for a motor vehicle having a wiper motor (2), that drives a driven shaft (3) which is pressed, in particular crimped, with a crank plate (4) actuating a wiper lever in...
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WO/2011/026480A1 |
The invention relates to a method for producing an aluminum piston (1) for an internal combustion engine, which piston is designed as a round skirt piston. In the region of the radially outer end faces (8, 8') of the piston pin bosses (6...
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WO/2011/027063A1 |
The invention relates to a hollow crankshaft having an axial plane of symmetry, formed by at least two main parts (2, 3) produced by forging and weld-assembled along the longitudinal axis of the crankshaft (1). According to the invention...
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WO/2011/024792A1 |
Provided is a method for manufacturing a mechanical part (7) which has a rolling portion (6) on which a rolling element rolls and which is excellent in rolling fatigue life. An annular blank (2) to form the rolling portion (6) is subject...
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WO/2011/023154A1 |
The invention relates to a wheel hub comprising a center section and a radial section, the radial section having n boundaries which have respective angles at center between respective two semiaxes. The n boundaries, the two semiaxes and ...
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WO/2011/017736A1 |
A die apparatus for forging a steering rack from a bar. The die apparatus comprises a first and a second bolster movable towards each other, and at least one gripper adapted to grip the bar as the rack is forged. The gripper comprises fi...
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WO/2011/015351A1 |
A method of creating a piston crown is disclosed. The method includes the step of providing a billet and then upsetting the billet in a first station to generally decrease a length of the billet and generally increase a cross section of ...
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WO/2011/012070A1 |
A roll forming method for wheel spoke includes the steps of: (1) preparing a round blank (R); (2) putting the round blank (R) in a cavity (41) of a roll profiling die (4), rolling the round blank (R) in synchronization and dislocation ma...
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WO/2011/011258A1 |
A gripping surface is provided on an outer surface of a needle shield as incorporated into an intravenous catheter assembly. The gripping surface provides a gripping position nearer the catheter adapter, catheter and needle tip for impro...
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WO/2011/010027A1 |
The invention relates to a hollow crankshaft (1) consisting of two forged parts or half-shells (2, 2) assembled together by welding along the longitudinal axis of the crankshaft (1). The invention involves shaping the contiguous edges ...
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WO/2011/004252A1 |
A method of securing a first component such as an annulus gear (17) in an aperture (20) in a second component such as a tractor back axle housing (10). The method comprising the steps of forming gripping formations (21) and a seal receiv...
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WO/2011/003867A1 |
The invention relates to a cam follower (1) constructed of side walls (11), a valve contact element (12), a roller pin (8) / roller (9) and a socket joint element (13) for actuating a gas exchange valve (4) of an internal combustion engi...
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WO/2011/003283A1 |
A preparation process for a forged elbow includes (1) forging a pipe punching a forged rod to a forged pipe after fixing the forged rod. wherein the eccentricity (5) of the forged pipe is 4 to 6 percent of wall thickness of the finished ...
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WO/2011/005722A2 |
Large, non-unitarily forged shaft workpieces such as a crankshaft have successive shaft features inductively heated and forged without cool down between each sectional forging process. The temperature profile along the axial length of th...
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WO/2011/002082A1 |
Disclosed is a process for producing a roughly shaped material for engine pistons, which comprises: a continuous casting step of continuously casting a molten aluminum alloy (30) at a melt temperature of 720˚C or higher to produce a cas...
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WO/2010/149720A1 |
The present invention relates to a method for manufacturing a part (10) by forging, including producing a semifinished part (10) by precision forging and polishing the part (10) by means of an abrasive strip, the compliant geometric char...
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WO/2010/145043A1 |
A forming machine comprises a shearing device for shearing off a section of a bar stock, a forming station for forming the sheared-off bar stock section, and a transport device for the bar stock. The shearing device comprises two shearin...
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WO/2010/145551A1 |
A distribution extruding device is composed of a closed extruding female die (6) and an extruding male die (9). The extruding male die (9) comprises an extruding shaft (92) and an impact-extruding head (93) which is connected with the sh...
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WO/2010/142069A1 |
A hot-forging shaping process for a joint hinge comprises the following steps: (1) heating a blank to 1050~1150℃ by an intermediate frequency furnace; (2) upsetting the heated blank slightly by a pneumatic hammer to remove the oxide sc...
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WO/2010/144220A1 |
A forging die (412', 414' ) heating or preheating apparatus (420) comprises a burner head (422) comprising a plurality of flame ports (426). The burner head (422) is oriented to compliment an orientation of at least a region of a forging...
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WO/2010/142145A1 |
An U-shaped bifurcated pipe integral-forming process includes the steps of: (1) heating a blank in a medium-frequency furnace to 850-1200 degrees centigrade, (2) forging the blank after medium-frequency heating to a Y-shaped bar by Y-sha...
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WO/2010/130366A1 |
The invention relates to a method for producing a component of a synchronization device for manual transmissions, especially a synchronizer ring (1, 2, 3), a round blank produced from metal being formed in a plurality of forming steps. I...
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WO/2010/130738A1 |
Method for manufacturing a fixing member (1) adapted to railway sleepers by means of a cold-forming process, which, starting from a starting piece (2) that has an external initial diameter, comprises a reduction stage for the initial dia...
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WO/2010/125624A1 |
Provided is a method for manufacturing a spacer nut, wherein the machining can be carried out using existing press machining equipment without using an NC lathe; the part procurement cost is low; the yield is high; and the manufacturing ...
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WO/2010/127354A1 |
A key identification system is provided. The key identification system comprises a sensing device configured to extract bitting information from a master key, and a logic configured to analyze the image. The sensing device may be configu...
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WO/2010/121590A2 |
The invention relates to a shaping method. According to the invention, at least two blanks are applied to a carrier element, the carrier element comprising the at least two blanks is introduced into a shaping unit, and a shaping force is...
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WO/2010/122893A1 |
Disclosed is a method for producing a tripod constant-velocity universal joint comprised of an outer ring which has an inner peripheral surface in which three axially extending track grooves are formed, and has roller guiding surfaces ax...
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WO/2010/119052A1 |
The invention relates to a method for manufacturing a flanged drill screw (10), which method comprises the steps of : - providing a shaft (1) with a head (2) at one end and a free tip at the opposite end of the shaft; - bulging part of t...
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WO/2010/116724A1 |
Provided is a cutting tool material (10) which is formed into a shaft-shape, and has one end inserted into a hole in a shank part so that the cutting tool material (10) is supported by the shank part. Rotation regulating parts (12) which...
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WO/2010/111985A1 |
In order to devise an inexpensive method for producing the breechblock (111) for a firearm that can resist a maximum of mechanical stress and is physically appealing, a metal blank (110) is pressed into a female die (130) representing a ...
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WO/2010/112004A1 |
In order to devise an inexpensive method (100) for producing a heavy-duty prefabricated breechblock (110) for a firearm, a substantially cuboidal metal blank (120) is compressed in a substantially hollow cuboidal female die (140) by mean...
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WO2010110133A1 |
In a crankshaft (200), one hole (213L) formed in a crankpin (213) has a bottom surface with a wider area and is formed to a shallower depth from the surface of the crankpin than the other hole (213M). In the formation of the holes (213L,...
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WO/2010/103867A1 |
An engagement protrusion which ensures a sufficient thickness and a sufficient height can be formed in a lever plate even if a relatively thin material is used. A lever plate in a VGS-type turbo charger is incorporated in an exhaust guid...
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WO/2010/095542A1 |
Provided are a method of manufacturing a tooth segment, the method being capable of forming the tooth surface with improved forming accuracy without increasing the forming pressure within a die in the forging of the tooth segment, a die ...
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WO/2009/056393A9 |
The invention relates to a method for producing a lubricant feed (32) in an axial bearing, wherein the lubricant feed (32) is designed as a channel (32) guiding lubricant from a lubricant pocket (18) of the axial bearing, comprising the ...
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