Patents for B21H 5 - Making gear wheels (1,111)
12/2000
12/19/2000US6161409 Process and device for manufacturing a gear part with outer teeth
11/2000
11/28/2000US6151941 Apparatus and method for roll forming gears
11/28/2000US6151778 Apparatus and method for roll forming gears
11/14/2000US6145632 Wheel hub bearing unit and brake connection
11/07/2000US6142900 Sprocket with thin body and grooved teeth
10/2000
10/11/2000EP1043113A1 Method of chamfering and deburring gear teeth, device implementing such a method, and relative tool
10/11/2000EP1042091A1 Point contact densification of sintered metal powder
10/04/2000EP1041166A1 Steel for gear, drive plate gear, and method for producing the drive plate gear
10/03/2000US6126892 Thermomechanical net shape finishing
09/2000
09/30/2000CA2302088A1 Steel for gear, drive plate gear, and method for producing the drive plate gear
09/28/2000DE19911235A1 Verfahren zur Bearbeitung der Flanken im wesentlichen zylindrischer, aber breitenballig modifizierter Verzahnungen im kontinuierlichen Diagonal-Wälzverfahren A method for processing the edges substantially cylindrical, but breitenballig modified teeth in continuous diagonal generating method
09/27/2000EP1038606A2 Gearing part and manufacturing method thereof
09/20/2000EP1036624A2 Method of machining width crowned spur gears by a diagonal generating method using continuous indexing
09/20/2000CN1266755A Cold rolling method for flywheel blank of bicycle and its product
09/13/2000CN1265943A Rachet and its making method, and wrench using same
08/2000
08/29/2000US6110419 Point contact densification
08/29/2000US6108909 Groove forming processes for shaft outer diameter
08/24/2000WO2000048760A1 Method and apparatus for densifying powder metal preforms
08/23/2000EP1029614A1 Flow-turning device and method for forming a workpiece
08/16/2000EP1027179A1 Method and device for producing a toothed wheel
07/2000
07/27/2000WO2000043148A1 Apparatus and method for roll forming gears
07/27/2000DE19946508A1 Fabrication method for shaft for taper disc transmission uses pair of pressure rollers to upset round bar blank and formed flange
07/26/2000EP1022075A2 Device for machining a workpiece with a tool
07/18/2000US6089065 Process and arrangement for the cold forming of hollow workpieces
07/12/2000EP1017518A1 Flowturning device and method for producing internal geared wheels with two sets of inner toothing
07/12/2000EP0921879B1 Process and device for manufacturing a gear part with outer teeth
06/2000
06/20/2000US6076387 Process for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation
05/2000
05/31/2000EP1004373A1 Method and device for flow-turning
05/25/2000CA2290294A1 Flow-forming method and apparatus
05/24/2000CN1052670C Device for manufacturing automobile steering rack
05/23/2000CA2179225C Method of and apparatus for forming a disc-shaped blank
05/18/2000DE19852329A1 External tooth making rolling tool for gear wheels, with head surfaces angled to working direction
05/11/2000WO2000025960A1 Method for producing a sintered part with a subsequent shaping of the green compact
05/04/2000DE19850326A1 Verfahren zur Herstellung eines gesinterten Bauteils mit Nachverformung des Grünlings A method for producing a sintered component with remolding of the green body
05/03/2000EP0997210A2 Method of manufacturing of disc-shaped objects with hub and pressure roll for realising this method
05/03/2000EP0655959B1 Apparatus and method for precision gear finishing by controlled deformation
04/2000
04/20/2000WO2000021699A1 Tool for producing a gear part having external toothing
04/11/2000US6047581 Drive system for vertical rack spline-forming machine
04/05/2000EP0990709A1 Apparatus and method for precision gear finishing by controlled deformation
04/04/2000US6044555 Method for producing fully dense powdered metal helical gear
03/2000
03/23/2000DE19850740A1 Transmission parts, especially gears, production from round metal blanks uses pressure rollers to press blanks to reduce thickness and increase external diameter
02/2000
02/23/2000CN1049614C Apparatus for manufacturing automotive steering rack
02/22/2000US6026666 Method for manufacturing internally geared parts
02/02/2000EP0976950A1 Sprocket and method of manufacturing same
01/2000
01/27/2000WO2000003819A1 Full form roll finishing technique
01/25/2000US6016602 Method of producing a sheet metal gear
01/20/2000DE19921861A1 Method and apparatus for producing profiled bodies on pressure rolling machines, with at least one forming roll and the workpiece movable relative to one another in axial direction and at least one forming roll fixed in radial direction
01/20/2000DE19915027A1 Forming gear element for starter motor, and resultant gear element, with successively diminishing wall thickness of element obtained by combined radial and axial motion of at least one adjustable roll of pressure rolling machine
01/13/2000DE19929224A1 Pressure rolling unit comprises at least two rolling elements
01/12/2000EP0970765A2 Method for forming a workpiece by flow-turning
01/09/2000CA2275559A1 Method for forming a workpiece by flow-forming
01/05/2000DE19854168A1 Producing a toothed steel transmission element by pressure rolling
12/1999
12/30/1999DE19827499A1 Pressure rolling unit for forming workpieces
12/28/1999US6007762 Apparatus and method for precision gear finishing by controlled deformation
12/23/1999DE19854481A1 Method and apparatus for production of axisymmeric workpieces, in particular, with internal teeth, by the pressure rolling process
12/16/1999WO1999064186A1 Vertically movable forming racks
12/16/1999WO1999064185A1 Power transmission formation rolling machine
12/16/1999WO1999064184A1 Antifriction support for roll forming racks
12/16/1999CA2332857A1 Vertically movable forming racks
12/16/1999CA2332850A1 Power transmission formation rolling machine
12/16/1999CA2332335A1 Antifriction support for roll forming racks
12/14/1999US6000267 Process for fabrication of rack shaft and fabrication machine therefor
12/01/1999CN1046881C Process for hard-rolling component
11/1999
11/23/1999US5987953 Power transmission formation rolling machine having movable headstock and tailstock spindle supports
11/16/1999US5983690 Machine having antifriction support for forming racks for rolling power transmission formations
11/11/1999DE19912841A1 Transmission component production process e.g. for sprocket for toothed belt
11/10/1999EP0955115A1 Method for producing fully dense powdered metal helical gear
11/10/1999EP0955110A2 Method and device for flow-turning
11/07/1999CA2271115A1 Flow forming method and device
10/1999
10/28/1999WO1999043454A8 Vertical rack spline-forming machine
10/26/1999US5972418 Method and apparatus for the manufacture of a workpiece having a rotation-symmetrically hardened surface area
10/26/1999US5970768 Machine base for supporting vertical movement of forming racks for rolling power transmission formations
10/26/1999US5970611 Method for processing a rotor used for a super charger
09/1999
09/21/1999US5953947 Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece
09/14/1999US5950471 Vertical rack spline forming machine
09/09/1999DE19809039A1 Back rolling process for tooth flanks in internal teeth of sliding coupling
09/07/1999US5946959 Process for producing annular workpieces from metal with a profiled cross section and a rolling facility for carrying out the method
09/02/1999WO1999043454A1 Vertical rack spline-forming machine
09/02/1999WO1999043453A1 Drive system for vertical rack spline-forming machine
09/01/1999CN2335723Y Automatic roll machine for rear sprocket of bicycle
08/1999
08/10/1999US5934126 Internally toothed member and method and apparatus for forming the same
08/03/1999US5930896 Apparatus and method for forming a gear
07/1999
07/27/1999US5927121 Method for the manufacture of a gear part
07/20/1999CA2156973C Method of conditioning the surface of a spline forming rack
07/06/1999US5918495 Multistage gear-rolling apparatus
07/01/1999WO1999032804A1 Production of a toothed hollow cylindrical part
06/1999
06/30/1999EP0925857A2 Speed gear and manufacturing method and apparatus for it
06/24/1999DE19757186A1 Manufacturing hollow cylindrical internal and external gears
06/16/1999EP0921897A1 Method of forming toothed wheels and product formed thereby
06/16/1999EP0921879A1 Process and device for manufacturing a gear part with outer teeth
06/10/1999WO1999028070A1 Point contact densification of sintered metal powder
05/1999
05/26/1999EP0917917A1 Method and device for cold forming of hollow members
05/25/1999US5906127 Method and apparatus for forming internal spline ring
05/14/1999WO1999022890A1 Method and device for producing a toothed wheel
05/05/1999CN2317026Y Non-cutting hot-rolling hobbing machine
04/1999
04/14/1999EP0907437A1 Procede for rolling bevel gears on an axial stamping rolling machine and tooling for its implementation
04/07/1999EP0906164A1 Gears
03/1999
03/23/1999US5884527 Gear wheels rolled from powder metal blanks
03/11/1999DE19830816A1 Method and apparatus for flow rolling
03/11/1999DE19807017A1 Method and apparatus for producing a rotationally symmetric workpiece with internal teeth
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