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Patent Searching and Data


Matches 151 - 200 out of 4,232

Document Document Title
WO/2009/008097
Provided is a die position adjusting mechanism in a medal die engraving device for electrically detecting information on the position of a rotation axis using a pulse method for detecting the position with an optical sensor, setting info...  
WO/2009/008098
Provided is a medal cooling device in a medal die graving device which does not make a medal buyer have uncomfortable feeling caused by the generation of heat when the medal buyer touches a medal by holding the medal which is die formed ...  
WO/2008/156425
A thread forming screw thread fastener and a corresponding thread roll die are disclosed for fastening into a hole of a workpiece composed of low ductility material. More specifically, the thread forming screw thread has smooth radius th...  
WO/2008/142214
A method for forming a coiler drum (5) for a hot rolling apparatus, in which method a jacket (6) is formed parallel to the rotation axis (X) of the drum. The drum (6) is formed of two or more elements (6a, 6b) placed next to each other i...  
WO/2008/139323
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...  
WO/2008/139323
Internal gears that are traditionally manufactured using metal cutting techniques are costly due to the material that is discarded. A method for forming an internal gear is provided comprising providing a powder metal preform workpiece, ...  
WO/2008/136765
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...  
WO/2008/136765
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...  
WO/2008/126344
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 ...  
WO/2008/121179
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...  
WO/2008/116243
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...  
WO/2008/113188
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...  
WO/2008/091134
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 ...  
WO/2008/087990
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...  
WO/2008/074321
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 ...  
WO/2008/074321
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 ...  
WO/2008/073147
A fastener element (16) has a head section (18), a threaded shank section (17) with threads (20) at a pitch and a distal end section (22). A retention device (24) is secured to the distal end section and is engageable with a fastener rec...  
WO/2008/063212
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...  
WO/2008/062880
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...  
WO/2008/057194
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...  
WO/2008/057194
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...  
WO/2008/049145
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...  
WO/2008/047123
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...  
WO/2008/037327
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, ...  
WO/2008/017405
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...  
WO/2008/014778
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).  
WO/2008/015348
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...  
WO/2008/016792
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...  
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 ...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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)...  
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...  
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. ...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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, ...  
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...  
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 ...  
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...  

Matches 151 - 200 out of 4,232