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Patent Searching and Data


Matches 801 - 850 out of 13,082

Document Document Title
WO/2011/081676A1
Reduced material content fasteners are provided that have a reduced material content portion between working ends allowing the fastener to have less weight with equal or better break and torque strengths. Systems and methods are provided...  
WO/2011/077776A1
Conventionally, in hot forging of a valve umbrella portion of a hollow engine valve, poor finish accuracy has been provided, and in cold forging thereof, materials which can be used have been restricted. In addition, in the cold forging ...  
WO/2011/078133A1
Provided is a forging method wherein it is possible to evenly supply a plurality of lubricants into a mold while improving productivity. The forging method involves: a shaping step in which a forging material within a lower die (11) is f...  
WO/2011/072656A1
The present invention relates to a method for producing a piston (10) from an upper piston part (11, 111, 211) and a lower piston part (15). A strip- or plate-shaped semifinished product (22) made of a metal material is provided, from wh...  
WO/2011/071196A1
The present invention relates to a facility for manufacturing titanium alloy bolts, which is capable of making titanium alloy bolts through the warm forging process, and a method for manufacturing titanium alloy bolts using same. The fac...  
WO/2011/070128A1
The invention relates to a sensor housing made of a metal material for a sensor device, in particular for an inductive proximity switch, consisting of an elongated sleeve section (3), which is used to receive an electronics module (5), a...  
WO/2011/063542A1
In order to produce a molded part provided with a through-hole, a rod material (R) is advanced axially by a defined length through a stationary guide (3) into a shaping die (4) by means of a drawing arrangement (1) and then held by means...  
WO/2011/064466A1
The invention relates to a method for manufacturing a steel reinforcement-joining sleeve (20) or nut for a reinforced concrete work, said method comprising the following operations: forming rough areas (27) 29) on the outer surface of a ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  

Matches 801 - 850 out of 13,082