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WO/2008/139323A2 |
A method for forming an internal gear is provided comprising providing a powder metal preform workpiece, supporting the workpiece about its periphery, and roll forming said workpiece to produce a set of densified gear teeth of a predefin...
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WO/2008/136765A1 |
A fastener with a recess head wherein the drive head has four lobular recess channels. Each channel comprises a first wall, a second wall, a bottom surface and a recess sidewall. The first and second walls have portions opposing each oth...
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WO/2008/126344A1 |
Provided are a multi-thread rolling die manufacturing method for improving the durability of a fine thread working portion, a multi-thread rolling die, and a multi-thread bolt manufacturing method. The multi-thread rolling die comprises ...
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WO/2008/121179A1 |
A method of spinning multiple parts comprising attaching two blanks (30,40) to an intermediate mandrel (50), loading the intermediate mandrel and blanks into the spinning machine by clamping the intermediate mandrel and the blanks betwee...
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WO/2008/116243A1 |
The invention relates to a method for machining a toothing (7) on an outer circumference (6) or an inner circumference of a work piece (2) made of pressed and sintered powder metal, by means of a rolling process on the toothing (7) using...
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WO/2008/113188A1 |
A novel method of manufacturing a toothed disc is taught wherein the teeth can be cold formed to a relatively high set of tolerances in a relatively time-efficient manner. A cold-formed disc blank with an annular thickened ring about its...
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WO/2008/091134A1 |
A yoke manufacturing method to enable more simplified manufacture of a yoke while achieving improved reliability of products. The yoke, which will be installed between two shafts to connect the two shafts to each other, includes a shaft ...
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WO/2008/087990A1 |
A cylindrical material (10) is sequentially subjected to a swaging treatment of (A) →(B), a backward extruding treatment of (C) → (D), a punching treatment of (D) → (E), a rolling treatment of (E) → (F), and a finishing treatment...
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WO/2008/074321A2 |
The present, invention relates to means for feeding blanks (105) into the thread rolling part of a thread rolling machine in accurate timing and accurate position. A transport screw (201) for transporting blanks e.g. in a thread rolling ...
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WO/2008/062880A1 |
Intended is to provide a spark plug manufacturing device, which can perform a thread rolling so that a thread starting position to be rolled and a position to joint an earth electrode to a work leading end face may be fixed, and which ca...
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WO/2008/063212A2 |
A vehicle tire and wheel rim assembly method comprises providing at least one robot (20, 30, 40) for selecting one of a tire (T) and wheel rim (R), moving the selected one of the tire and wheel rim to a lubrication area (70) with the rob...
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WO/2008/057194A2 |
A method of forming a gear comprising gripping a blank (10) to be spun formed in a spin forming machine, spin forming a gear having helical teeth disposed on an inner surface, and ejecting the gear (20) by simultaneous extension and rota...
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WO/2008/049145A1 |
The invention relates to a method for the production of a one-piece metallic multiple wheel (2) for a traction mechanism, having at least two single wheels (3, 4) disposed next to each other, each having a wheel body (5, 6) with an exter...
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WO/2008/047123A1 |
A tool (10) and method for forming a thread on a surface defining a bore. The tool comprises a thread forming portion (12) comprising one or more thread forming ridges (16, 17, 18), and an elongate portion (14) for pulling the thread for...
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WO/2008/037327A1 |
The invention relates to a method and a device for the thermomechanical treatment of seamless steel rings produced on radial-axial ring rolling machines, particularly rings of fine grain steel, heat-treatable steel, case hardened steel, ...
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WO/2008/017405A1 |
In a method for introducing transition radii into a crankshaft (1) between crank pins (2) and crank webs (3) and/or between the bearing pins and crank webs, wherein the contour profile of the transitions (5) between the crank webs (3), t...
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WO/2008/016792A2 |
A threaded device such as a self-tapping screw or bolt, particularly for use in medical applications, provides a low-torque design that prevents a steady increase in the amount of torque necessary to drive the device into material as the...
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WO/2008/015348A1 |
The invention concerns a roller cage (160) for a rolling tool (100) comprising at least two opposing supports (170) attached to the housing and adapted for holding in position retaining means (161) holding a roller (150). According to th...
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WO/2008/014778A1 |
Screw (10), bolt or locking ring bolt (20), in each case produced solely by rolling, and production method for such a screw (10), such a bolt or locking ring bolt (20).
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WO/2008/008002A2 |
The invention relates to obtaining tubular products by mechanical chipless shaping, more specifically to forming an internal thread on the end section of a tubular billet, mainly on the pin-pipe end of a tubing string sub. The inventive ...
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WO/2008/008001A1 |
The invention relates to obtaining tubular products by mechanical chipless shaping, more specificly to forming an external thread on the end section of a tubular billet, mainly on the pin-pipe end of a tubing string sub. The inventive me...
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WO/2008/003305A1 |
The invention relates to a method for producing a rotationally symmetrical hollow metal part, particularly a shaft. According to said method, bar-shaped ductile solid material is provided, the solid material is heated from about 300 °C ...
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WO/2007/144120A2 |
Method of producing at least partly surface-compacted workpieces (7) with a convex (16; 17) or/and concave surface (14; 15), having a compacted sintered material or a cast or/and forged material, wherein, in order to improve a dimensiona...
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WO/2007/142472A1 |
The present invention relates to a system for and a method of manufacturing a linear gear (rack gear), in which a forming roll and a guide roll are used to form gear teeth in a sequential manner so as not to require a high load, thereby ...
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WO/2007/137762A1 |
The invention relates to a method of machining the bearing seats of main and rod bearings (HL, PL) of crankshafts (1), in which the bearing seats (30) of the main and rod bearings (HL, PL), after the primary forming of the crankshaft (1)...
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WO/2007/137543A1 |
The invention relates to a device and a method for producing longitudinal grooves in cylindrical workpieces, especially for producing longitudinal grooves having an irregular profile. The forming process is carried out by means of segmen...
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WO/2007/129894A1 |
A method for processing a preform for a rim wherein a ring-shaped rudimentary metal rim edge (5) is clamped in a slit (13) moving along the circumferential edge of the rim edge (5) between a profiled outer surface (8) of a mandrel (7) an...
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WO/2007/128359A1 |
The invention relates to a procedure for the production of a rotation symmetrical gearbox component (1) with at least one toothing system (3, 5) on the inside diameter (7) and/or the outside diameter (9) of a circular sheet metal blank. ...
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WO/2007/123716A1 |
A threading turret assembly (100) includes a plurality of threading heads (50). The threading heads (50) comprise first and second threading rollers (52, 54). The threading head (50) is configured to impart a thread (59) onto a metallic ...
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WO/2007/114174A1 |
A ring rolling mill comprising a main roll and a mandrel capable of moving toward and away from each other, and rolling the circumferential portion of a ring-like body in the radial direction while rotating the ring-like body along the c...
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WO/2007/108027A1 |
In a method of forming steel ball blanks (4), in particular for rolling bearings, a starting steel cylinder (1) is plastically deformed; the plastic deformation is firstly performed in radial direction, for obtaining an essentially cylin...
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WO/2007/045649A1 |
The invention concerns a rolling burnishing roller head (1) of a rolling burnishing tool for rolling burnishing with the aid of rolling burnishing rollers (2) radii or grooves (3) on the main- (4) or lifting journal of a crankshaft, wher...
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WO2007009372B1 |
A method for manufacturing a handtool head involves rolling an elongate blank comprising many handtool heads which connected headend T by headend T and tailend W by tailend W, then cutting off the blank with length of the handtool head, ...
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WO/2007/017655A1 |
A method of rolling a ring from a metal blank comprises mounting the blank (2) on a mandrel (4) between two forming rolls (6) located on opposite sides of the mandrel axis. A pair of lower growth control rolls (12) are located below and ...
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WO/2007/012367A1 |
A method of forming a circular sheet-metal blank (1), which has a central hole (2) and rests on a tool (4) rotating about an axis (3) and has a thickness al and a diameter dl which is less than the diameter of the tool (4) is distinguish...
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WO/2006/133552A1 |
A pulley integrally has a hub, an outer rim and a flange joining the hub and outer rim. A flux ring is press fitted to the inside surface of the outer rim. The flux ring has an inner diameter sized to closely encircle an electromagnetic ...
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WO/2006/133910A1 |
The invention relates to a method and an arrangement for producing rings (60) from a metallic material, which are provided with an axially continuous inner profile (32) at the inner circumference and with a radial outer profile (62) at t...
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WO/2006/131248A1 |
The invention relates to a method for producing hollow bolts (1) which comprise a longitudinal bore (6) and circumferential notches (11). The hollow bolts are provided with longitudinal grooves which extend between elevations that determ...
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WO/2006/131358A1 |
The invention relates to a method for producing a toothed section from a densified sintered material and to such a toothed section. The inventive method is characterized by densifying, using iteratively acquired data, a predensified toot...
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WO/2006/131357A1 |
The invention relates to a method for producing a toothed section from a densified sintered material. The inventive method is characterized by densifying, using iteratively acquired data, a predensified tooth blank in at least one area b...
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WO/2006/131356A2 |
The invention relates to the surface compression of a work piece that comprises at least one toothed section from a sintered material. The invention is characterized in that a first surface of the work piece is compressed by means of a m...
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WO/2006/131355A2 |
The invention relates to a component that comprises a surface-compressed toothed section from a sintered material. The invention is characterized in that the component has a gradient of the sintered materials used when seen from a cross-...
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WO/2006/131352A2 |
The invention relates to a method for compressing the surface of a toothed section. Said method is characterized by iteratively calculating the number of compression movements of a form tool to be repeated for compressing the surface of ...
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WO/2006/131348A2 |
The invention relates to a blank for producing a gear made of sintered material. Said blank is provided with an undersize. The undersize is determined using an iterative calculation and is filled by displacing the adjacent oversized mate...
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WO/2006/131349A2 |
Disclosed is a method for producing an at least partly surface-compressed metallic gear element that comprises a compressed sintered material in order to improve a strength curve. A blank of the gear element is produced with a locally se...
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WO/2006/122337A1 |
The invention relates to a method for producing a chain wheel from a powder metal blank (1) which is compacted and sintered with an overmeasure in the region of the toothing (8). According to the invention, the toothings (8) of the powde...
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WO/2006/120790A1 |
A form rolling tool for spline machining enabling an increase in durability by securing the strength of machining teeth and manufacturable at low cost and a method of manufacturing the form rolling tool. In the method, a bristle brush is...
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WO/2006/121427A1 |
An assembly line (10) for continuously manufacturing fasteners (12) from a rod (14) with a groove (18) for receiving a wire for retaining the fasteners (12) in a strip includes a receiver for receiving the rod (14). A die press (22) is a...
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WO/2006/114167A1 |
The invention relates to a method and a device of producing a knurl (2) on the surface of part of a metallic disk (1) or a friction wheel which are produced from sheet-metal (13) during a deformation process. According to the invention, ...
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WO/2006/115205A1 |
A method of molding an uneven wall thickness tube capable of molding an uneven wall thickness tube having a partially thin-walled peripheral part from a cylindrical raw tube with approximately uneven wall thickness, a method of manufactu...
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