| Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244) |
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| 10/10/2007 | CN101049605A Accurate shaping method for cross rolling wedge of step axis with narrow heave |
| 10/09/2007 | US7278286 Rolling die and a method of making a rod with a ball portion |
| 10/03/2007 | CN101045254A Apparatus for cold rolling copper ball |
| 09/27/2007 | WO2007108027A1 Method of forming steel ball blanks, in particular for rolling bearings |
| 09/25/2007 | CA2205150C Rolling annular workpieces |
| 09/19/2007 | EP1834715A1 Method of manufacturing sheet metal back face pulley |
| 09/19/2007 | EP1834714A1 Method of manufacturing sheet metal back face pulley |
| 09/19/2007 | CN101036918A Accurate forming method of multi-vat camshaft cross-wedge blank with wedge shaped stagger convex parts |
| 09/19/2007 | CN100337768C Method for forming two conical sestion ring pieces by once cold rolling spreading |
| 09/12/2007 | CN200945517Y Anti-theft long bottle cap multiheaded rolling mmachine |
| 09/05/2007 | EP1651370B1 Method of manufacturing a split casing |
| 09/05/2007 | CN101031372A Vertical spinning machine |
| 09/05/2007 | CN101028681A Process for formed hydraulic tappet guide cylinder |
| 09/05/2007 | CN100335814C Manufacturing method for crankshaft damper with integral pulse ring |
| 08/29/2007 | CN101027143A Raceway ring for radial ball bearing, method of producing the raceway ring, and method and device for producing high precision ring |
| 08/22/2007 | CN101020287A Forging and rolling technology and hot rolling and forging apparatus for making large pulley |
| 08/22/2007 | CN101020286A Process of making integral automobile wheel |
| 08/22/2007 | CN101020282A Rolling forming process for large hollow disc forging |
| 08/22/2007 | CN101020221A Semi-sank large precise ring rolling machine |
| 08/16/2007 | US20070186726 Blade sharpening system and an edge restoring unit capable of use therewith |
| 08/16/2007 | US20070186402 Circular-shaped metal structure, method of fabricating the same, and apparatus for fabricating the same |
| 08/16/2007 | DE102006006192A1 Profiling hot rolling forge has two rollers bearing tools and powered by hydraulic motor |
| 08/15/2007 | EP1131267B1 Apparatus and method for roll forming glass sheets |
| 08/15/2007 | CN2933648Y Precision cold rolling mill ring machine |
| 07/18/2007 | EP1723316B1 Camshaft and method for producing a camshaft |
| 07/04/2007 | CN2917873Y Slider apparatus for ring roller |
| 07/03/2007 | US7237417 Roll preshaping |
| 06/20/2007 | CN2912863Y Lower supporting apparatus for ring roller |
| 06/20/2007 | CN2912862Y Propulsion signal roller apparatus for ring roller |
| 06/19/2007 | US7231795 Automatic rolling machine with flat chasers |
| 06/13/2007 | CN1978125A Rolling formation method for large and medium size solid plate-shape forge piece |
| 06/13/2007 | CN1978102A On-line mould-repairing method and apparatus for roller-type wedge transverse rolling machine |
| 06/13/2007 | CN1978084A Automatic guide-board in-out apparatus of roller-type split wedge transverse miller |
| 06/06/2007 | EP1792672A1 Raceway ring for radial ball bearing, method of producing the raceway ring, and method and device for producing high precision ring |
| 06/06/2007 | CN1974054A Slender stepped shaft machining process |
| 06/05/2007 | US7225656 Process for forming a workpiece and rolling machine |
| 05/30/2007 | EP1790423A1 Holding device for the at least two rollers of a rolling machine and rolling machine |
| 05/30/2007 | CN1970191A Multi-wedge synchronizing smooth butte rolling method for rolling same diameter axle type pieces by cross wedge rolling |
| 05/24/2007 | US20070113611 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 05/10/2007 | WO2006102133A3 Knife blade dressing apparatus |
| 05/10/2007 | DE10322752B4 Verfahren zum Herstellen von Werkstücken aus Blech A method for manufacturing of workpieces made of sheet metal |
| 05/09/2007 | EP1782896A2 Method for forming a workpiece and rolling machine |
| 04/24/2007 | US7207231 Rack gear and method of making same |
| 04/18/2007 | CN1947884A Wedge cross-rolling two cycle roll-forming method for train shaft blank |
| 04/18/2007 | CN1947883A Wedge cross-rolling two cycle roll forming method for automobile half-shaft blank |
| 04/04/2007 | CN1308465C Method for processing billets out of metals and alloys and article |
| 03/22/2007 | DE202007001013U1 Automatische Planierwalzmaschine für Kreissägen Automatic Planierwalzmaschine for circular saws |
| 03/21/2007 | EP1689556B1 Cold forming method for producing ball journals |
| 03/20/2007 | US7191626 Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece |
| 03/13/2007 | CA2464631C Method and apparatus to reduce slot width in tubular members |
| 03/01/2007 | US20070044533 Rolling Machine |
| 02/28/2007 | CN1919490A Feeding rate and work-piece size controlling means during cold ring rolling process |
| 02/27/2007 | US7181945 Semi-manufacture pulley forming apparatus |
| 02/21/2007 | CN1915558A Roller in composition type actuator in cold looping type rolling mill |
| 02/21/2007 | CN1915557A Method for determining rotating speed of main shaft expanded by cold rolling |
| 02/15/2007 | WO2007017655A1 Ring rolling from metal blanks |
| 02/07/2007 | EP1749595A1 Rolling die and method of making a rod with a ball portion |
| 02/01/2007 | WO2007012367A1 Method of forming a circular sheet-metal blank |
| 02/01/2007 | CA2614931A1 Method of forming a circular sheet-metal blank |
| 01/30/2007 | US7168279 Method of manufacturing metal ring for endless metal belt |
| 01/24/2007 | EP1745870A1 Method of manufacturing base bodies of hollow axles |
| 01/11/2007 | US20070006834 Camshaft and method for producing a camshaft |
| 01/11/2007 | DE19918866B4 Verfahren zur Herstellung einer mehrrilligen Keilriemenscheibe A method for producing a multi-grooved pulley |
| 01/10/2007 | CN2855582Y Equipment for making external protective hoop of band steel collar |
| 01/03/2007 | CN1887472A Method of determing cold rolling expansion feeding speed |
| 12/27/2006 | CN1886229A Cold forming method for producing ball journals |
| 12/21/2006 | WO2006133910A1 Method and device for producing metal rings |
| 12/21/2006 | WO2006133552A1 Pulley assembly for an electromagnetic power transmitting assembly |
| 12/21/2006 | DE102005028828B3 Verfahren und Vorrichtung zum Herstellen von Metallringen Method and apparatus for producing metal rings |
| 12/21/2006 | CA2611766A1 Pulley assembly for an electromagnetic power transmitting assembly |
| 12/19/2006 | US7150173 Upper and lower tools for deep rolling |
| 12/12/2006 | US7146835 Method and apparatus to reduce slot width in tubular members |
| 12/07/2006 | DE19541955B4 Walzmaschine Rolling machine |
| 12/06/2006 | CN1287925C Orbiting roller groove for pipe and method for forming circumferential groove |
| 11/22/2006 | EP1723316A1 Camshaft and method for producing a camshaft |
| 11/15/2006 | EP1222042B1 Internal spun hub and method of making same |
| 11/15/2006 | CN2836954Y Inner guard ring forming and manufacturing device for steel strap package |
| 11/14/2006 | US7134304 Micro-roll forming device |
| 11/02/2006 | WO2006115205A1 Method and device for molding uneven wall thickness tube |
| 11/02/2006 | DE19807160B4 Verfahren zur Herstellung eines Blechkäfigs und danach hergestellter Blechkäfig A process for producing a sheet metal cage and then made sheet metal cage |
| 11/02/2006 | DE102005020305A1 Radially flexible rolling bush for a harmonic drive has shape of bush with membrane and flange section formed exclusively by forming in one piece and with different wall thicknesses |
| 11/01/2006 | CN1853821A Roundness-roller controller of cold-rolling mill |
| 10/26/2006 | US20060236545 Method for producing internally or externally profiled rings and arrangement therefor |
| 10/25/2006 | CN1850435A Grinding ball production method |
| 10/25/2006 | CN1281347C Workpiece shaping method and roller |
| 10/12/2006 | DE10356111B4 Kaltumformverfahren zur Herstellung von einteiligen Kugelzapfen Cold forming process for the production of one-piece ball stud |
| 10/12/2006 | DE102005054023B3 Method and device for creation of radial front teeth at work-piece, comprising milling process in first step and unit for cold-forming |
| 10/11/2006 | CN2825162Y Pulley rolling installation |
| 10/04/2006 | EP1527286B1 Device and method for the axial positioning of a component on a shaft |
| 09/28/2006 | CA2601771A1 Knife blade dressing apparatus |
| 09/26/2006 | US7111910 Rim having a non-uniform thickness |
| 09/14/2006 | US20060201223 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 09/13/2006 | CN1274437C Wedge transverse rolling precision-forming method of hollow wheel axle blank of train |
| 09/13/2006 | CN1274436C Wdege transverse rolling precision-forming method of wheel axle blank of train |
| 09/07/2006 | US20060196033 Annular composite workpieces and a cold-rolling method for producing said workpieces |
| 08/30/2006 | CN1826217A Method and device for manufacturing support body for run flat |
| 08/30/2006 | CN1826199A Method of flow forming a metal part |
| 08/23/2006 | CN1820871A Plate type wedge lateral rolling forming method for eccentric step shalf |
| 08/22/2006 | US7093361 Method of assembling an actuator with an internal sensor |
| 08/16/2006 | EP1689556A2 Cold forming method for producing ball journals |