Patents for B21B 35 - Drives for metal-rolling mills (1,850)
01/1991
01/08/1991US4982617 Gearshift system
01/08/1991US4982590 Roll-forming apparatus for wire stock
12/1990
12/18/1990US4977769 Rolling machine with exchangeable rolling tools
12/11/1990US4976655 Connecting rod assembly for downhole drilling
12/11/1990US4976129 Apparatus for the axial shifting of a shaft, especially of a rolling-mill roll
11/1990
11/27/1990CA1276794C Split yoke universal joint
10/1990
10/31/1990DE3913713A1 Finishing, milling and levelling unit for metal sheet and strip - has milling and levelling accomplished without slippage between material and levelling rollers
10/30/1990US4966027 Wire-rod block
10/11/1990DE3933260A1 Roller, especially for rolling mills and steel works
10/03/1990EP0389736A2 A roll forming machine
09/1990
09/20/1990WO1990010508A1 Roller, in particular for rolling mills and metallurgical plants
09/04/1990US4953379 Hot-rolled steel bar with helically extending ribs, method of and apparatus for producing the steel bar
08/1990
08/23/1990DE3905244A1 Method and apparatus for manufacturing strand-like metallic products
08/07/1990US4945745 Telescopic drive spindle assembly
07/1990
07/10/1990US4939919 Roll forming machine
07/10/1990CA1271349A1 Continuous mill plant for rolling steel plates
07/04/1990CN1008606B Transmission of cold-rolling mill
06/1990
06/06/1990CN1008240B Device for driving vetical rolls of universal rolling mill
05/1990
05/30/1990EP0370995A2 Profile roll-forming machine
05/16/1990EP0368048A2 Method and device for manufacturing hot-rolled steel strip
05/15/1990US4924689 Rolling mill
05/09/1990EP0367199A2 Drive shaft
05/09/1990EP0366648A1 Drive mechanism for cold pilger rolling mills.
05/02/1990EP0365976A2 Profiling machine
04/1990
04/11/1990EP0362381A1 Toothed clutch
04/05/1990DE3833056A1 Joint for sliding articulated spindles
03/1990
03/21/1990EP0358917A2 Method for operating a small-section rolling mill with a cooling stretch arranged in a rolling line for thermomechanical finish rolling, and small section rolling mill for carrying out said method
03/20/1990US4909056 Method and an apparatus for cold-roll forming of annular workpieces
02/1990
02/27/1990US4903518 Roll driving apparatus for rolling mill
02/07/1990CN2052309U Centrally-driven and differentially-governed continuous mill
02/01/1990DE3825746A1 Rolling mill train for the stretch-reduction of tubes
01/1990
01/25/1990WO1990000448A1 Rolling mill and method
12/1989
12/20/1989EP0346880A2 Adjustable width rolls for rolling mill
11/1989
11/29/1989CN2048404U Crescent liner for self lubricating universal coupling of rolling mill
11/28/1989US4882923 Continuous mill plant for rolling steel plates
11/14/1989US4879924 Gearing for driving the rolls of a roll train
09/1989
09/26/1989CA1260738A1 Rolling mill stand
09/13/1989EP0332597A1 A wire-rod block
09/12/1989US4864838 Drive apparatus for the vertical rolls of a universal rolling mill stand
08/1989
08/24/1989WO1989007494A1 Toothed clutch
08/22/1989US4858458 Drive for a pilger cold-rolling mill with balancing of masses and moments
07/1989
07/26/1989EP0324978A2 Rolling mill drive with loosenable driving spindles arranged between gearings and work rolls
07/19/1989EP0324168A2 Rolling mill drive with gear-type spindle couplings
07/18/1989US4848635 Process and device for driving and synchronizing rolls
07/18/1989US4848185 Transmission for driving the rolls of a rolling line
06/1989
06/28/1989EP0321482A1 Drive for continuous rolling train
06/14/1989EP0320465A2 A roll forming machine
06/07/1989EP0156922B1 Cross helical rolling mill for seamless steel tubes.
06/07/1989CN1004438B Split yoke universal joint
05/1989
05/30/1989US4834692 Universal joint for use with shafting
05/23/1989US4831858 Driving apparatus for vertical rolling mill
05/16/1989US4829842 Spur gearing for the driving of a roller shell
05/10/1989EP0314935A2 Hot rolling of rods having helicoidal ribs
05/03/1989EP0313610A1 Rolling mill stand.
04/1989
04/20/1989DE3823134C1 Method and apparatus for the production of tubes by the cold-pilger method
04/04/1989CA1251954A1 Cross helical rolling mill
03/1989
03/22/1989EP0307606A2 Compact rolling mill train and method for rolling sections
03/22/1989CN1031806A Compact rolling mill and processing method for rolling sectional steel
03/02/1989DE3728119A1 Device for inserting a shaft into a hub
02/1989
02/28/1989US4807458 Dividing gear unit for a roll block
02/08/1989CN2032105U Conduction gear rack for rolling steel machine of double circle-arc tooth type
01/1989
01/04/1989CN1030035A Transmission of cold-rolling mill
01/04/1989CN1030034A Drive for continuous rolling train
12/1988
12/29/1988WO1988010160A1 Drive mechanism for cold pilger rolling mills
12/07/1988EP0293670A2 Device for axial shifting of rotating cylinders
11/1988
11/22/1988US4785651 Device for axial displacement of rolls in a rolling stand
11/22/1988CA1245081A1 Single strand block-type rolling mill
11/17/1988WO1988008761A1 Rolling mill stand
11/17/1988DE3714217A1 Coupling device
11/09/1988EP0290249A2 Rolling mill laying head
11/09/1988CN88102216A Assembly of rollers with holes and its frame used for rolling bar iron
11/02/1988CN88101904A Method and apparatus for cold-roll forming of annular workpieces
11/01/1988US4781052 Actuator device for axially moving rolling mill rolls
11/01/1988US4781050 Process and apparatus for producing high reduction in soft metal materials
10/1988
10/26/1988EP0287674A1 Roll driving apparatus for rolling mills
10/19/1988EP0286875A2 Series of grooved rolls for rolling steel bars and roll stand hereto
10/12/1988EP0286587A2 Profiling method for ring-shaped objects, and apparatus for carrying out this method
09/1988
09/08/1988DE3706577A1 Arc tooth spindle
09/07/1988EP0281319A2 A rolling mill
09/06/1988US4768370 Rolling line for the stretch-reducing of tubes
09/06/1988CA1241557A1 Rolling mill
08/1988
08/31/1988EP0280001A1 Drive system for cold pilger mills with compensation of mass and momentum
08/23/1988US4765556 Rolling mill laying head
08/18/1988DE3703822A1 Universal joint
08/11/1988DE3801217A1 Antrieb fuer senkrecht-walzenstuhl Drive for vertically-roll mill
07/1988
07/14/1988DE3629895A1 Antrieb fuer kontinuierliche walzstrassen Drive for continuous rolling roads
05/1988
05/17/1988US4744235 Actuator device for axially shifting rolling mill
05/17/1988US4744234 Supercompact rolling group with rolls supported at one end, and a rolling line comprising groups thus formed
05/10/1988US4743216 Rotary safety coupling for transmitting large torques
04/1988
04/27/1988CN87207714U Inserted teeth type quick dismantling device for rolling mill coupling
04/21/1988WO1988002668A1 Roll driving apparatus for rolling mills
04/20/1988EP0264233A2 Improvements in rolling mills
03/1988
03/31/1988DE3631860A1 Support of rolls in chocks of a rolling stand by means of radial bearings and thrust bearings
03/23/1988CN87105213A Device for driving vetical rolls of universal rolling mill
03/16/1988CN87207223U Dismountable quickly adjustable universal cross coupling device
03/10/1988WO1988001544A1 Drive for continuous rolling train
02/1988
02/24/1988EP0256372A2 Vertical roll drive device for a universal rolling mill stand
12/1987
12/22/1987CA1230508A1 Base structure for supporting a gear box, particularly for the rolls of a crossed-stand type rolling mill
12/01/1987CA1229901A1 Process and apparatus for preventing asymmetry in rolled structural shapes
11/1987
11/10/1987US4705490 Hooke's-type joint for a universal shaft
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