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WO/2008/008002 |
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/2008/008001 |
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/2008/008002 |
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/2008/003305 |
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/2008/002508 |
A method for the manufacture of hollow metal spheres is provided. The method includes stamping appropriately-shaped hemispherical components and subsequently laser welding of the hemispheres. Metal spheres made by the method of the inven...
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WO/2007/144120 |
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/2007/144120 |
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/2007/142472 |
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/2007/137543 |
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/2007/137762 |
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/2007/129894 |
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/2007/128359 |
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/2007/123716 |
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/2007/114174 |
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/2007/108027 |
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/2007/045649 |
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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WO/2007/017655 |
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/2007/012367 |
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/2007/009372 |
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/2006/133910 |
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/2006/133552 |
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/2006/131356 |
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/2006/131349 |
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/2006/131355 |
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/2006/131356 |
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/2006/131352 |
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/2006/131248 |
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/2006/131357 |
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/2006/131353 |
The invention relates to an automotive component which comprises at least one toothed section from a sintered material. The toothed section is subjected to an asymmetric surface compression that is adapted to the stress the automotive co...
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WO/2006/131352 |
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/2006/131348 |
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/2006/131355 |
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/2006/131349 |
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/2006/131353 |
The invention relates to an automotive component which comprises at least one toothed section from a sintered material. The toothed section is subjected to an asymmetric surface compression that is adapted to the stress the automotive co...
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WO/2006/131348 |
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/2006/131358 |
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/2006/122337 |
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/2006/121427 |
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/2006/120790 |
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/2006/115205 |
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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WO/2006/114167 |
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/2006/110312 |
A method for straightening an eccentric shaft (100, 501) by engaging fillets (201, 601) adjacent an element (101, 509) of the shaft with angled rollers (303, 703), rotating the shaft and selectively applying a compressive rolling force (...
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WO/2006/100149 |
The invention relates to a method for deep rolling the passes or radii on the transitions between journal and cheeks or flanges of crankshafts by means of a deep rolling device (1) of a deep rolling machine, said deep rolling device havi...
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WO/2006/102133 |
A dressing device (10,90) for sharpening or conditioning of a blade (18) or the like includes one or more disk pairs (36-40,108), each having a pair of disks (52,54,110,112) respectively presenting a series of circumferentially spaced, p...
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WO/2006/083655 |
A thread profile is first rolled into a cylindrical work piece with a first set of thread dies, wherein the metal free-flows into the grooves of the first set of dies to form a rounded (or other shape) crest. Then the thread is re-rolled...
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WO/2006/077485 |
Thread forming apparatus for providing industrial threaded materials including a thread forming member, a thread shaping member and a shaft receiving member, their arrangement being such that engagement and relative movement between the ...
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WO/2006/077817 |
A gear and a rolling die for molding the gear. The gear is so formed that a recessed groove-like slit engraved in the circumferential direction to prevent a drive shaft from being extracted can be eliminated when a worm wheel is die-form...
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WO/2006/066525 |
The invention relates to a method for producing longitudinal grooves in cylindrical workpieces using a rolling method which follows a preforming method.
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WO/2006/061909 |
A method of manufacturing a sheet metal back face pulley, comprising a step for preparing a sheet metal cup-like material (4) having a circular base plate part (2) and a tube part (3) extending from the outer peripheral edge part of the ...
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WO/2006/061908 |
A method of manufacturing a sheet metal back face pulley, comprising a step for preparing a sheet metal cup-like material (4) having a circular base plate part (2) and a tube part (3) extending from the outer peripheral edge part of the ...
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