Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls › B21H 1 - Making articles shaped as bodies of revolution
Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
12/1996
12/05/1996DE19525868A1 Verfahren zum Herstellen von ringförmigen Werkstücken aus Metall mit profiliertem Querschnitt und Walzwerk zu dessen Durchführung A method of producing annular workpieces of metal with profiled cross-section and rolling mill for carrying it out
11/1996
11/26/1996US5577323 Method of manufactoring a race ring for a rolling bearing
11/20/1996EP0743112A1 Apparatus and method for manufacturing a vehicle wheel
10/1996
10/24/1996WO1996033030A1 Process and apparatus for the manufacture of a cooking vessel by roll forming
10/24/1996DE19613526A1 Roll-forming profile machine
10/24/1996CA2221583A1 Process and apparatus for the manufacture of a cooking vessel by roll forming
10/17/1996DE19620178A1 Method of manufacturing poly=V=disc, esp. with transmitter
10/10/1996DE19513168A1 Profile rolling machine with three spindles rotating in same plane
10/08/1996US5562785 Method for manufacturing toothed gears
09/1996
09/19/1996DE19509912A1 Controlled introduction of stresses during rolling of rings
09/05/1996DE19524089C1 Method of mfg. gear part of thin metal disc
08/1996
08/28/1996CN2233798Y Finely roller moulding press
08/22/1996WO1996025257A1 Method of forming vehicle wheel rims
08/20/1996US5546780 Method and apparatus for forming a lubricant, conducting groove in a cylindrical surface of a bearing member
08/14/1996EP0725693A1 Method for the non-cutting production of a transmission component hub
08/14/1996DE19605645A1 Mfg. machine component with outer toothing
08/14/1996DE19602298A1 Method of mfr. of a vehicle wheel from circular blank by radial upsetting
08/08/1996DE19603773A1 Manufacturing method for coupling transmission parts with hubs
08/08/1996DE19545177A1 Rolling process for workpieces
08/01/1996WO1996022848A1 Method of production of poly-v groove pulley made of sheet metal, and poly-v groove pulley made of sheet metal
08/01/1996WO1996022847A1 Metal sheet having annular peripheral wall and method of thickening annular peripheral wall
07/1996
07/23/1996US5537850 Method of shaping a wheel
07/04/1996WO1996020050A1 Method of manufacturing internally geared parts
07/04/1996DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts
07/04/1996CA2209121A1 Method of manufacturing internally geared parts
07/02/1996US5531088 For making a product from a workpiece of plastic metal material
05/1996
05/09/1996DE19513634A1 Method of mfg. rotationally symmetrical steel workpiece
05/09/1996DE19513633A1 Pressure roller for cutting oblique slots in rotationally symmetric workpieces
05/08/1996CN1121848A Method for mfg. hub by integrally shaping
04/1996
04/10/1996CN1119971A Manufacture method of integral moulded splined hub
03/1996
03/27/1996EP0703022A1 Method of clearing a round of metal
03/27/1996CN2223155Y Multi-point radial roller compacting machine
01/1996
01/17/1996EP0512108B1 Glass spinner manufacture
01/04/1996DE4421596A1 Ring rolling machine with damper
12/1995
12/27/1995EP0688617A1 Method and device for rolling of hollow work pieces
12/21/1995WO1995034387A1 Method of producing a seamless hot-finished tube
12/21/1995CA2192970A1 Method of producing a seamless hot-finished tube
12/15/1995CA2125823A1 Method of shaping a wheel
12/06/1995EP0684883A1 Process for manufacturing a light metal wheel in a single piece from a wrought aluminium material.
12/05/1995US5471858 Apparatus and process for the production of a hollow workpiece being profiled in a straight or helical manner relative to the workpiece axis
11/1995
11/30/1995DE4444526C1 Device for non=cutting manufacturing of gearing boss from metal plate
11/29/1995CN1112465A Rotary forging apparatus
11/09/1995WO1995029777A1 Process and device for the continuous, chipless separation of individual rings from tubular workpieces
11/09/1995DE4416238A1 Cross rolling machine
11/09/1995CA2189042A1 Process and device for the continuous, chipless separation of individual rings from tubular workpieces
11/08/1995EP0680794A1 Method of shaping a wheel
10/1995
10/19/1995DE4408427A1 Method of mfg. torsional vibration balancer
10/18/1995CN1110198A Wedge cross-rolling stepped shaft edging wedge-shaped die
10/04/1995CN1109392A Rotary forging apparatus
10/03/1995US5454248 Method of shaping a wheel
09/1995
09/20/1995EP0672484A1 Rotary forging apparatus
09/20/1995EP0672483A1 Rotary forging apparatus
09/17/1995CA2144215A1 Rotary forging apparatus
09/17/1995CA2135340A1 Rotary forging apparatus
09/13/1995CN1108162A Rotary forging apparatus
09/12/1995US5448832 Method of forming a boss on a plate-like metallic blank, and method of forming a pulley from a metallic plate
09/05/1995US5446962 Process of manufacturing one-piece forged wheels
08/1995
08/24/1995DE4405373A1 Cold rolling machine for e.g. ball and roller bearing rings
08/22/1995US5442977 Differential axle housing
08/22/1995CA2072803C Circular saw blade straightening machine
08/15/1995US5440796 Method for manufacturing a brake shoe
06/1995
06/14/1995EP0657233A1 A rolling process for the manufacture of pulleys and equipment used in this process
06/08/1995DE4341097A1 Rotary forming machine for circular sheet metal parts produced by radial forming
06/01/1995DE4340162A1 Method of threaded or smooth rolling of sleeve or bolt shaped metal workpieces
05/1995
05/10/1995EP0652061A1 Rotary forging apparatus
05/09/1995US5412967 Method of making a metallic ring-shaped body
04/1995
04/11/1995US5404640 Method of forming toothed wheels
03/1995
03/15/1995EP0643237A1 Manufacturing process for a machine support
03/14/1995US5396787 Method of producing fluid-chamber component elements
03/02/1995WO1995005907A1 Method for positioning a work in a spinning machine and spinning machine for producing light-alloy wheels
02/1995
02/28/1995US5392517 Method of making a ring gear
02/15/1995EP0638444A1 Integral type wheel for railway material e.g. motorvehicle or wagon
01/1995
01/18/1995CN2187503Y Swinging roll compaction machine
01/10/1995US5379622 Method of forming helical splines with stoppers on a rotary shaft, and rolling tools for practicing the method
11/1994
11/17/1994DE4314558A1 Process for the non-cutting production of an outer profile on a hollow-cylindrical body and associated apparatus
10/1994
10/19/1994EP0493593B1 Method of producing component parts of a fluid chamber
10/19/1994CN1093782A Method for manufacturing a brake shoe
09/1994
09/01/1994WO1994019127A1 Process for manufacturing a light metal wheel in a single piece from a wrought aluminium material
09/01/1994WO1994019126A1 Method of pressure intensifying drawing by rotary molding and apparatus therefor
08/1994
08/23/1994US5340221 Bearing ring with parallel flow internal structure
07/1994
07/21/1994DE4301314A1 Transverse rolling machine
06/1994
06/22/1994EP0602951A1 Method of shaping a wheel
05/1994
05/31/1994CA2014567C Method of producing laminated metal belt
05/11/1994WO1994009928A1 Method of manufacturing poly-v-grooved pulley of sheet metal
05/05/1994DE4337690A1 Method of manufacturing integrally forged car wheel - starts with workpiece annular blank of dimensions contg. integral edge which is pressed, forged and shaped forming rim, hub and contour respectively
05/04/1994EP0594927A1 Method of producing a brake shoe
04/1994
04/19/1994CA2035522C Process for manufacturing an asymmetric pulley from a metal disk
03/1994
03/17/1994WO1994005446A1 Rolling device for producing corrugated pieces made of a metallic material
03/10/1994DE4305091C1 One piece aluminium@ alloy wheel prodn. - by soln. annealing, quenching to working temp., extruding or rolling and then age hardening
03/03/1994DE4229123A1 Verfahren zur Herstellung von wellenförmigen Werkstücken aus metallischem Werkstoff mit bezüglich ihrer Längsachse zumindest einem exzentrischen Abschnitt A process for the production of shaft-like workpieces made of metallic material with respect to its longitudinal axis at least one eccentric section
03/02/1994EP0531357B1 Process and device for deep drawing or extrusion of rotationally symmetrical workpieces
02/1994
02/16/1994CN1082211A Aluminum pipe production process, electrophotographic photosensitive member produced by the production process adn electrophotographic apparatus having the electrophotographic photosensitive member
02/09/1994CN2155283Y Finishing mill for seamless aluminium alloy cycle rims
01/1994
01/19/1994CN2153420Y Cantilever ring type rolling mill
12/1993
12/21/1993US5271262 Apparatus for forging a large caliber ring
12/14/1993US5269205 Circular saw blade straightening machine
12/08/1993EP0572458A1 Process for the manufacture of rotationally symmetrical workpieces, and device for carrying out the process
12/02/1993DE4315618A1 Method of mfg. precision components of refined tool steel - starts with cylindrical bolt blank of hardened steel and specified tensile strength followed by machining
11/1993
11/18/1993DE4215623A1 Light metal one-piece vehicle wheel - uses profile with nozzle-like opening to conduct cooling air to brake disc
11/16/1993US5261159 Method of manufacturing bearing ring
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