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Patent Searching and Data


Matches 101 - 150 out of 8,592

Document Document Title
WO/2012/027761A1
What is described is a sintered gearwheel having teeth (1) which, in the flank and foot regions (2, 3), have a compacted surface layer (7, 8, 9) which is continuous in the transition portion (4) between the flank and foot regions (2, 3) ...  
WO/2012/011058A1
Tool-holding device suitable for being coupled to a mandrel of a machine tool or a mandrel fitted on a robot, comprising: - one or more tool-holder carriages (10); such carriages are positioned radially in relation to the mandrel axis (X...  
WO/2012/007231A1
A process for producing an elongate semifinished product (30) having at least two differently profiled portions (37; 38) of predefined lengths uses the following steps. A continuously fed wire (31) is rolled by means of a rotating roller...  
WO/2012/007543A1
The process according to the invention for producing a thread in an elongate semifinished product provides the following steps: at least two longitudinally running grooves (30) are formed, in particular longitudinally rolled, into a blan...  
WO/2012/009439A1
A die for roll forming threads on a cylindrical blank comprises, a generally planar die body having a longitudinally elongate working face of sufficient length for the blank to make multiple revolutions across said face. A plurality of s...  
WO/2012/000463A1
The invention relates to a machine, in particular a machine tool, for deep-rolling axles (5) for wheelsets of railway vehicles, having two lathe centres (16) for receiving an axle (5) at each of their two ends, having a device for drivin...  
WO/2012/002866A1
A welded hollow gear ring (160, 260, 360, 460, 560) with an outer (140, 240, 340) and an inner (155, 255, 355) periphery, which exhibits a gear structure (131-138, 231-238, 331-338, 331 '-338') on at least one periphery, as well as exhib...  
WO/2011/159267A1
The invention relates to mechanical engineering and, more specifically, to the production of wheelsets for freight and passenger cars, unpowered cars, electric trains and diesel trains used on main-line railways. The wheelset comprises a...  
WO/2011/152846A1
A two-piece guide pin for metal forming dies includes a guide pin body formed from a cut length of an elongate, solid bar of stock having a cylindrical shape and a hard and smooth finished exterior surface with an outside diameter select...  
WO/2011/149507A2
A method and apparatus for molding a high-strength, non-metallic fiber-reinforced threaded fastener (50), such as a bolt or the like. A non-metallic preform (40) (e.g., a solid rod) having longitudinally-extending fibers (56) running the...  
WO/2011/141190A1
The invention relates to a method for producing sealing rings open to the outside or to the inside, which method comprises the steps of providing a tube (2), arranging the wall of the tube (2) between at least one first roller (4) that i...  
WO/2011/134664A1
The invention relates, in a first aspect, to a flat semi-finished product made of metal (1), wherein said semi-finished product comprises at least one structured section (2) and at least one non-structured section, wherein said semi-fini...  
WO/2011/110421A3
The invention relates to an external rotor of an electric machine and to a production method for an external rotor of this type. To achieve the lightest possible construction, the external rotor has an armature thickness that is defined ...  
WO/2011/107616A3
A bar made of noble metal or of an alloy having a noble metal with a mass mB is divided into n x m small bars 2,3, each of which has a specified mass mk, wherein both n and m are a natural number ≥ 2, and a material connection (8) is p...  
WO/2011/098133A1
The inventive method of forming anchor bolts comprises following steps. A rod-shaped workpiece (26) is roll-formed by penetrating the rod-shaped workpiece (26) with two wedge-shaped tools (34,35) at two points (46,47). The two points (46...  
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 ...  
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...  
WO/2011/089742A1
Disclosed is a metallic glass fastening screw which gives the property that are not susceptible to loosening to the screw itself, and implements fastening with high strength and high reliability in a wide range of areas including a light...  
WO/2011/089498A1
An ejection device (1) suitable for ejecting a screw (3) after being threaded by a threading machine (2), com- prising: Supporting means (7) suitable for being assembled on said threading machine (2); ejecting means (13) supported by sai...  
WO/2011/085999A1
The invention relates to a method for producing a screw (26) having a continuous thread (28) of variable thread pitch, wherein a blank (16) is rolled between two rolling dies (24), wherein a roller profile is implemented in each rolling ...  
WO/2011/086000A1
The invention relates to a method for producing a screw, wherein a blank (16) is rolled between two rolling dies (24). A roll profile is implemented in each rolling die (24), comprising a plurality of longitudinal recesses (34). The roll...  
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/2011/068483A1
A device for cold forming a metal work piece comprising a roller die having a first die formed in a circumferential face; a linear die having a second die formed on a receiving surface for receiving the work piece; a press for applying a...  
WO/2011/063435A1
The invention relates to a method for producing reversible blades (W) having a profiled cross-section, in particular for use in chippers for splitting wood, comprising in the cross-section a proximal carrier part (2) having at least one ...  
WO/2011/063438A1
The invention relates to a rod part (1) having a large longitudinal extension and a closed band part or blade part, in particular a saw blade or a saw band, having increased stiffness and/or dimensional stability and/or strength, which p...  
WO/2011/061444A2
The method for manufacturing the metal part (10) from a hollow ingot (10A) includes: axially stretching (100) the hollow ingot (10A) by means of forging; horning (120) the stretched ingot (10B) on the forging press (12) in order to form ...  
WO/2011/061444A3
The method for manufacturing the metal part (10) from a hollow ingot (10A) includes: axially stretching (100) the hollow ingot (10A) by means of forging; horning (120) the stretched ingot (10B) on the forging press (12) in order to form ...  
WO/2011/059658A1
A thread rolling die (10) includes a thread rolling region (12) comprising a working surface (14) including a thread form (16). The thread rolling region (12) of the thread rolling die (10) comprises a sintered cemented carbide material ...  
WO/2011/057311A3
The invention relates to a rolling tool (2) for producing crowned teeth on a gear (5) using a transverse rolling process, in particular for compressing the teeth of the gear (5) at least in some areas, comprising a tool body (6) which ha...  
WO/2011/057311A8
The invention relates to a rolling tool (2) for producing crowned teeth on a gear (5) using a transverse rolling process, in particular for compressing the teeth of the gear (5) at least in some areas, comprising a tool body (6) which ha...  
WO/2011/057311A2
The invention relates to a rolling tool (2) for producing convex teeth on a gear (5) by transverse rolling, in particular for compressing the teeth of the gear (5) at least in some areas, comprising a tool body (6), which has tool teeth ...  
WO/2011/054034A1
A method of manufacturing a furcated composite post (1) comprising at least two strips (7, 8) that are joined together along their length in a furcated manner. The method comprises the steps of feeding one or more of the strips (7, 8) at...  
WO/2011/044970A1
The invention relates to a device for introducing a thread into a workpiece having a cylindrical outer surface by means of thread rolling, comprising a profiling tool (7) having a profile without pitch, wherein the axis of the profiling ...  
WO/2011/045261A1
The invention relates to a method for the forming of a metal sheet with the aid of bodies of revolution. For this purpose, two receiving shafts (3, 4) that are spaced apart from each other are provided with shaped bodies (1, 2), wherein ...  
WO/2011/028149A1
The invention relates to material processing under pressure, in particular to devices for manufacturing souvenirs and artistic articles with a convexo-concave drawing surface. The technical result of the claimed invention consists in ext...  
WO/2011/022747A1
The invention relates to a device for processing elongate workpieces without cutting in order to produce a thread-like outer profile by means of at least one shaping roller arrangement (9, 10, 11) having shaping rollers (12, 13, 14), whi...  
WO/2011/023359A1
The invention relates to a thread rolling machine having two rolling dies (110-1, 110-2) movable relative to one another for rolling a thread into blanks (200). The blanks (200) are fed by means of a feed device from a storage facility t...  
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/2011/009204A1
The present invention relates to a cold rolled steel beam comprising: a web having two layers of steel, the web having a top end and a bottom end; a pair of bottom flanges extending outwardly from the bottom end of the web; and a pair of...  
WO/2011/009425A1
The invention relates to a tool (A) for rolling an eccentric rotational component (B) having an eccentric portion, in particular an eccentric worm shaft, wherein the tool (A) has a rotational device (R) having a rolling device (410), by ...  
WO/2010/117298A1
A blank is rolled by rolls in transverse directions with respect to the longitudinal axis of the blank with the aid of a drive for rockingly moving the rolls in opposite directions. The device comprises upper and lower rolls, a frame, tw...  
WO/2010/115405A1
The invention relates to a method for producing pipe material and to an apparatus therefor. The production is carried out by way of a forward hollow extrusion method. To this end, a pipe section (31) comprising a butt (32) is pressed usi...  
WO/2010/112436A1
Threaded fasteners, such as bolts, nuts and screws, made of a polyarylene, which exhibit outstanding characteristics, notably a high torque.  
WO/2010/112435A1
Fasteners, such as bolts, nuts and screws, rivets, pins, and retaining rings, made of a highly kinked rigid-rod polyarylene exhibiting outstanding characteristics, notably a high torque and a high tensile elongation, a measure of practic...  
WO/2010/102365A1
The subject utility model patent application concerns with the manufacturing of fastening screw for prosthetic components with a thread achieved by a rolling process (thread rolling) to the fastening of the fitted screw of universal trun...  
WO/2010/097648A1
The problem to be solved by the invention is the increasing of service life and travel performance of railroad wheelsets. The invention achieves said technical effect by providing a device and a method for local fixing of the wheels of a...  
WO/2010/093330A1
A torque retention screw thread fastener and corresponding thread roll die to manufacture the screw thread fastener is disclosed. The torque retention thread forming screw comprises retention elements in the thread valley of the screw th...  
WO/2010/093329A1
A thread forming screw thread fastener for fastening into a hole formed by the fastener in a work piece, the fastener comprising: a head having a drive to be engaged with a driver bit; and a shank with threads having a symmetrical thread...  
WO/2010/086538A1
The distribution of load stresses on the engaged threads of a standard screw or nut is not even. Indeed, the first engaged threads bear a large majority of the load. Consequently, if the load is too great, the threads break and the funct...  
WO/2010/082403A1
A titanium alloy screw produced from a titanium alloy screw material which has undergone plasma carburizing. The screw has a hardened groove bottom part and, hence, has a reduced coefficient of friction and improved fastening characteri...  

Matches 101 - 150 out of 8,592