Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
08/2006
08/09/2006CN2803564Y Ring rolls
08/03/2006WO2005065048A3 Wheels of unitary construction and method of making same
08/02/2006CN1810407A Roller type wedge cross-rolling process of shaping eccentric stepped shaft
08/01/2006US7083503 Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method
07/2006
07/27/2006DE19810851B4 Verfahren und Vorrichtung zum Walzen von Ringen Method and device for rolling rings
07/26/2006CN1806953A Method for forming a workpiece and rolling machine
07/13/2006DE10317506B4 Verfahren zum Herstellen eines hohlen Werkstücks und nach dem Verfahren hergestelltes hohles Werkstück Method produced for manufacturing a hollow workpiece and the procedure hollow workpiece
07/12/2006CN2794687Y Multiple rod feeding mechanism for ring roller
07/12/2006CN2794686Y Eccentric wheel roller feeding mechanism for ring roller
07/06/2006US20060144112 Method of manufacturing metal ring for endless metal belt
07/06/2006US20060144111 Method of manufacturing part internal gear and rolling machine
06/2006
06/29/2006US20060138703 Method and device for manufacturing support body for run flat
06/28/2006CN1261252C Band-pulley formation method and apparatus
06/15/2006WO2006061909A1 Method of manufacturing sheet metal back face pulley
06/15/2006WO2006061908A1 Method of manufacturing sheet metal back face pulley
06/15/2006US20060123865 Sheet metal member having an annular peripheral wall and a method of thickening an annular peripheral wall of the member
06/15/2006US20060123864 Method and forming machine for working a workpiece
06/14/2006DE102004060597A1 Hinge manufacturing device for sensor device, involves manufacturing component-sleeve with integrated sensor unit-tube region, and manufacturing sensor unit against sensor unit-tube region by cold roll using cold rolling machine
06/08/2006DE19909519B4 Verfahren zur Herstellung eines Leichtmetallrades A process for producing a light alloy wheel
06/07/2006EP1663543A1 Hollow bar manufacturing process
06/06/2006US7055243 Crankshaft damper with integral pulse ring and method
06/01/2006DE102004056921A1 Verfahren und Vorrichtung zum Präzisionsrollen von rotationssymmetrischen Bauteilen Method and apparatus for precision rolling of rotationally symmetrical components,
05/2006
05/31/2006EP1661638A2 Method and device for precision rolling of rotationally symmetric workpieces
05/31/2006CN1778483A Reinforced car rubbing roller
05/25/2006US20060107718 Deformed forging
05/25/2006US20060107717 Method and apparatus for precision rolling of rotationally symmetrical components
05/24/2006EP1328358B1 Method of reducing slot width in slotted tubular liners
05/24/2006DE10121546B4 Verfahren und Drückrolle zum Anformen einer Nabe Method and pressure roller for molding a hub
05/23/2006US7047781 Sheet metal member having an annular peripheral wall and a method of thickening an annular peripheral wall of the sheet metal member
05/17/2006EP1656225A1 Method for producing internally or externally profiled rings and arrangement therefor
05/16/2006US7043951 Wire rod-forming machine
05/10/2006CN2778429Y Circular roller control device for cold rolling machine
05/09/2006CA2355489C Roller cage
05/03/2006EP1651370A1 Deformed forging
04/2006
04/26/2006EP1650011A1 Method and device for manufacturing support body for run flat
04/26/2006EP1648637A1 Method of flow forming a metal part
04/26/2006CN1253259C Process for rolling and forming external step section ring piece
04/26/2006CN1253258C Method for rolling and forming rectangular section aluminium alloy ring piece
04/20/2006DE10236701B4 Einrichtung und Verfahren zur axialen Positionierung eines Bauteils an einer Welle Apparatus and method for axial positioning of a component on a shaft
04/19/2006EP1646460A1 Annular composite workpieces and a cold-rolling method for producing said workpieces
04/19/2006CN1251843C Metal ring putting and taking device
04/18/2006US7031892 Numerical-simulation method for rotary metal forming, recording medium and program
04/13/2006WO2006038551A1 Vertical spinning machine
04/11/2006US7025928 Method of flow forming a metal part
04/11/2006CA2206126C Hub, pulley, and method
03/2006
03/30/2006WO2006033327A1 Raceway ring for radial ball bearing, method of producing the raceway ring, and method and device for producing high precision ring
03/23/2006DE10115783B4 Gesinterte, mit einem Flansch versehene Riemenscheibe Sintered flanged pulley
03/22/2006EP1507610B1 Automatic rolling machine with flat chasers
03/22/2006EP1131267A4 Apparatus and method for roll forming glass sheets
03/22/2006CN1750894A Method of manufacturing metal ring for endless metal belt
03/22/2006CN1748898A Method for forming two conical sestion ring pieces by once cold rolling spreading
03/22/2006CN1246103C Cold rolling device for forming circular piece
03/16/2006DE10319258B4 Rolling mill for forging work pieces has two profiled rollers with separate drive control and variable rolling speed for each process cycle
03/08/2006CN1744997A Rim having a non-uniform thickness and a method for manufacturing the rim
03/01/2006CN1739880A Ring forming method and apparatus thereof
02/2006
02/22/2006CN1242859C Screw hole type skew rolling forming method at room temperature for anode phosphor-copper
01/2006
01/19/2006DE19829631B4 Stufenlos verstellbares Toroidgetriebe A toroidal continuously variable
01/11/2006CN1718308A Pulley rolling equipment
01/10/2006US6983897 Fuel injection valve for internal combustion engines, and a method for producing same
01/03/2006CA2382925C Internal spun hub and method of making same
12/2005
12/29/2005DE102004028835A1 Method of processing the outer shell contours of a rotationally symmetrical lamella pile consisting of individual lamellas with central bores and mutually aligned on a shaft useful for couplings and electric motors
12/27/2005US6978546 Method for producing ring members involving use of a rotatably driven mandrel
12/15/2005US20050274015 Wheel manufacturing method
12/08/2005DE19802565B4 Umformvorrichtung Reshaping
11/2005
11/29/2005US6968720 Cold rolling method and apparatus for forming annular pieces
11/23/2005EP1598128A1 Method of manufacturing metal ring for endless metal belt
11/17/2005US20050253447 Rim having a non-uniform thickness and a method for manufacturing the rim
11/17/2005DE19545177B4 Verfahren zum Drückwalzen eines Werkstücks A method of spin forming a work piece
11/02/2005CN1225325C Method for producing ring-shape member and device for realizing same
10/2005
10/26/2005EP1588867A1 Unequally thick rim, and method of manufacturing the rim
10/18/2005US6955283 Adaptable mandrel for spin forming
10/13/2005US20050223556 Frame producing method and frame
10/12/2005CN1222375C Method of forming cold diameter reducing roll for metal pipe and metal pipe formed by the method
09/2005
09/29/2005DE102004011815A1 Nockenwelle und Verfahren zur Herstellung einer Nockenwelle A method for producing a camshaft and camshaft
09/29/2005DE102004008800A1 Verfahren und Vorrichtung zum Vorformen eines Rohlings in einem Massivumformprozess Method and apparatus for preforming a blank in a Massivumformprozess
09/22/2005WO2005088082A1 Camshaft and method for producing a camshaft
09/22/2005WO2005051594A3 Cold forming method for producing ball journals
09/21/2005CN1219610C Automobile semiaxle wedge cross-rolling precision shaping method
09/08/2005DE102005007712A1 Method of shaping blank for subsequent forming process, by continuous and progressive plastic deformation of stationary blank
09/07/2005EP1263539B1 Non-cutting production method for a component with a hub
09/06/2005US6939419 Method for producing axially symmetric parts and the article
09/01/2005DE102004008537A1 Bearing cage for process rollers has a segmented construction enabling replacement of worn sections without dismantling entire tool
08/2005
08/31/2005EP1568423A1 Method of preforming a blank by rolling
08/30/2005US6935152 Orbiting roller groover for pipe
08/25/2005WO2005077564A1 A method and a machine for manufacture of rollers
08/25/2005US20050183485 Roll preshaping
08/09/2005US6925713 Method of manufacturing an annular member made from a metal sheet having a peripheral wall
07/2005
07/27/2005CN1646240A Orbiting roller groover for pipe
07/21/2005CA2552927A1 Wheels of unitary construction and method of making same
07/14/2005DE19526900B4 Verfahren zur kombinierten spanenden und umformenden Fertigung von Ringen und Maschinen hierzu Process for the combined cutting and forming production of rings and machines for this purpose
06/2005
06/30/2005US20050138808 Device for forming pulley
06/30/2005DE10356111A1 Kaltumformverfahren zur Herstellung von Kugelzapfen Cold forming process for the production of ball stud
06/29/2005CN1208148C Precise diagonal rolling method for drill body blank of drill chuck
06/09/2005WO2005051594A2 Cold forming method for producing ball journals
06/08/2005EP1385651B1 A cold rolling apparatus for forming annular pieces
06/08/2005CN1205057C Cup-shape member with hub and wheel for vehicles
05/2005
05/31/2005US6898957 Method of reducing slot width in slotted tubular liners
05/31/2005US6898956 Metal ring inputting and outputting device
05/25/2005EP1347849B1 Flowspinning method and device for carrying out flowspinning
05/19/2005US20050103075 Micro-roll forming device
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