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WO/2013/010961A1 |
The invention relates to a roll for a ring rolling mill, characterized in that the roll (3, 4) has a main roll body (5) and a roll cap (6) placed on the main roll body (5).
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WO/2013/008285A1 |
The present invention addresses the problem of providing a method for manufacturing a multi-stage gear for which there is no gap between a small-diameter gear and a large-diameter gear, and addresses the problem of providing this multi-s...
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WO/2013/002041A1 |
In the present invention, processing is made easy even for cylindrical parts that have unbalanced sheet thickness and volume. In a spinning processing method for processing a rotor shaft (4), a material joining process, material separati...
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WO/2012/172942A1 |
Provided are a face spline molding device and molding method with which deformation of the internal diameter of the cup can be limited and which can mold face splines stably. An outer joint member molded with said face spline molding dev...
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WO/2012/161507A2 |
The present invention relates to a thread rolling tap for making female threads by plastically working the material, and more specifically, to a thread rolling tap comprising a threads part having threads along the outer surface, a chamf...
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WO/2012/161506A2 |
The present invention relates to a thread rolling tap for making female threads by plastically working the material, and more specifically, to a thread rolling tap comprising a threads part having threads along the outer surface, a chamf...
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WO/2012/151385A2 |
Roll forging of an annular article of manufacture is accomplished with electric induction heating of the workpiece simultaneously during the roll forging process as required to keep the workpiece at optimum forging temperature during the...
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WO/2012/126700A1 |
An anchor bolt for an expansion anchor has an expansion body (7) which is arranged coaxially with respect to an axis (4), wherein a circumferential surface (20) of the expansion body (7) has ribs (30) and grooves (31) in an alternating m...
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WO/2012/119166A1 |
In a process and a device for producing a metallic strip (2) having at least two strips (24, 24', 25, 26) of differing thickness running in the longitudinal direction of the strip (2) with the aid of rollers (10, 16), between which the s...
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WO/2012/092920A1 |
The invention relates to a method for the roller-straightening of crankshafts (8, 8') with the aid of fixed rolling tools (1 to 7), in particular fixed rolling rollers (18, 19), which, while the crankshaft (8, 8') is being turned about i...
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WO/2012/090660A1 |
Disclosed is an internal tooth rolling method that forms internal teeth in a cylindrical raw material. This internal tooth rolling method adds a tool retraction step (ST05) wherein a tool gear is retracted and the deflection of a rotary ...
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WO/2012/084388A1 |
The invention relates to a method for producing a screw anchor (10), wherein a blank made of a steel having a carbon content of 0.35% to 0.42% is provided, in particular made of AISI 1038, wherein a thread (16) is rolled at the tip. The ...
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WO/2012/084612A1 |
The invention relates to a machining method for machining a curved workpiece surface (210) of a workpiece (200), in which a roll forming operation is carried out. At least one roller element (180A, 180B, 180C) of a machining tool (100) i...
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WO/2012/043087A1 |
Disclosed is a lubricant composition for metal material plasticity processing, said lubricant composition containing (A) at least one inorganic salt selected from a group consisting of sulfates, borates, silicates, phosphates, molybdates...
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WO/2012/031577A2 |
The method serves for producing network-like metal mats from metallic strip material, for which purpose the strip material is first provided with notches (2), running parallel to one another, for the forming of metal wires (1), by means ...
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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) ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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/2011/089742A1 |
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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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/2011/009425A1 |
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 ...
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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...
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