Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21B - Rolling of metal › B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
Patents for B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames (6,388)
06/1991
06/04/1991US5020354 Compact rolling mill for rolling structural steel
05/1991
05/21/1991US5017025 Bearing assembly for a shaft journal
05/08/1991CN1012562B Universal roll stand with control device, especially finishing stand in universal
05/02/1991WO1991005624A1 Compression rollers with movable shoulder shields
05/02/1991EP0425072A1 Bearing and bearing arrangement
05/02/1991EP0424517A1 A method for fitting a roll-ring to a roll axle, and a roll-ring mount for carrying out the method
04/1991
04/30/1991US5011304 Specific size aluminum oxide inclusion particles; durability
04/24/1991CN2075557U Separating type pressing adjusting mechanism for medium rolling mill
04/24/1991CA2001362A1 Stand for rolling and/or roll casting
04/23/1991US5009096 Method and apparatus for the replacing of working rolls in a rolling mill
04/03/1991CN2074218U Roll-adjusting device
04/02/1991US5003863 Cylinder-piston unit for displacing a roll at right angles to its longitudinal axis
03/1991
03/28/1991DE3930771A1 Pre and finish roll stands arranged adjacent each other - with single drive mechanism on one side and roll change car on other side
03/21/1991DE3930125A1 Roll frame convertible from quarto to duo roll stand - has adaptor sets to replace support rolls in stand which are empty roll chock pairs
03/19/1991US5000584 Bushing for oil film bearing
03/19/1991US5000023 Operating method and rolling mill train for continuously rolling a profiled billet to a predetermined finished cross-sectional shape of accurate size
03/19/1991US5000020 Method and arrangement for controlling the thicknesses of webs and flanges of beams in universal rolling mill stands
03/13/1991WO1991004106A1 Vertical edging mill
03/13/1991EP0416880A2 Rolling mill and rolling method
03/13/1991EP0416101A1 Roll stand of rolling mill
03/13/1991CA2065734A1 Vertical edging mill
02/1991
02/20/1991CN1011666B Roll stand for setting unilateral roll collar on double-faced support to pair roll spindle
02/19/1991US4993251 Rollstand having easily replaceable roll dies
02/12/1991US4991420 In a Stand
02/05/1991US4989436 System for axially shifting a roll in a roll stand
01/1991
01/16/1991CN1048508A Rolling stand for two-high reversing mill of profiles
01/09/1991EP0407369A2 Rollstand having easily replaceable roll dies
01/09/1991EP0406624A2 Reversible two-high section roll stand
01/08/1991US4982590 Roll-forming apparatus for wire stock
12/1990
12/27/1990WO1990015679A1 Rolling of metal workpieces
12/27/1990EP0403655A1 Roll stand of rolling mill
12/19/1990CN2067613U Hydraulic system for axially moving roller
12/19/1990CN1010837B Hydraulic press with superhigh pressure for rolling mill
12/11/1990US4976129 Apparatus for the axial shifting of a shaft, especially of a rolling-mill roll
12/11/1990US4976128 Rolling mill and method of exchanging rolls of rolling mill
12/11/1990US4976127 Double roller crossrolling mill for piercing and stretching of solid and hollow blocks
12/06/1990DE3918242A1 Spacers esp. for working rollers in quatro-rolling stand - are freely movable in guide grooves in roller installation parts to facilitate roller replacement without damage to new rollers
12/05/1990EP0400145A1 Roll stand of rolling mill
12/04/1990US4974438 Rolling mill housing structure
12/04/1990US4974437 Rolling mill stand
11/1990
11/29/1990WO1990014524A1 Adjustable locking cam assembly
11/29/1990WO1990014471A1 Force applicator
11/29/1990DE3916927A1 Automatic roller setting system for universal roller frame
11/29/1990DE3916925A1 Automatic roller setting system for universal roller frame
11/28/1990EP0399296A2 Automatic adjusting of a universal mill stand after its resetting for new structural shapes
11/28/1990CN1010561B Rolling machine base
11/24/1990CA2017347A1 Method and arrangement for automatically aligning a universal rolling mill stand after the stand has been changed to new types of sections
11/20/1990US4971996 Hydroxystyrene compounds which are useful as tyrosine kinase inhibitors
11/20/1990CA1276708C Apparatus for rotating the shells of rolls in calenders or the like
11/15/1990WO1990013366A1 A method for applying a non-stick embosser roll coating
11/13/1990US4969347 Chockless rolling mill
11/06/1990US4967582 Bending and balancing mechanism for the axially shiftable rolls of a roll stand
11/06/1990CA1275832C Process and apparatus for regulating the synchronization of a pair of rolls
11/04/1990WO1990013371A1 A method for fitting a roll-ring to a roll axle, and a roll-ring mount for carrying out the method
11/04/1990CA2032171A1 Method for fitting a roll-ring to a roll axle, and a roll-ring mount for carrying out the method
10/1990
10/31/1990EP0394716A1 Improved cartridge rolling stand
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
10/30/1990US4966026 Edging roll for use in making sections having flanges
10/25/1990DE3911930A1 Prodn. process for roller stands - uses measuring rollers as standard to compare with dimensions of working rollers and produce coordinates for machining operation
10/16/1990US4962657 Rolling mill train, particularly rolling mill train in a section mill
10/16/1990US4962655 Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other
10/11/1990DE3933260A1 Roller, especially for rolling mills and steel works
10/10/1990CN1009945B Nech seal
10/03/1990EP0389736A2 A roll forming machine
10/02/1990US4959987 Rolling mill stand with manipulator
09/1990
09/26/1990EP0388865A1 Rolling train for roll forming strips (straight bead tube welding)
09/25/1990US4959099 Taper rolling of metal
09/25/1990US4958558 Adjusting system for the gap width of support roll pairs in a double-belt press
09/20/1990WO1990010508A1 Roller, in particular for rolling mills and metallurgical plants
09/19/1990EP0388096A1 Mill roll adjustment
09/19/1990EP0387533A2 Direct-operated servo valve, fluid pressure servo mechanism and control method for the direct-operated servo valve
09/12/1990EP0386861A1 Planetary roll and device for grinding of the working rolls thereof
09/06/1990DE3906618A1 Guide device
08/1990
08/29/1990CN1009347B Rolling-contact bearing, specially for work rolls in high-speed rolling mill
08/28/1990US4951494 Compression rollers with movable shoulder shields
08/22/1990EP0383450A1 Magnetic rolling apparatus
08/21/1990US4949568 Device to replace rolls and apparatus on rolling stands having rolls supported at one end
08/21/1990US4949447 Apparatus to replace sets of rolls and relative equipment in rolling stands having rolls supported as cantilevers
08/02/1990DE3902889A1 Rolling train with rolling stands arranged next to one another
07/1990
07/31/1990US4944609 Oil film bearing and bushing
07/31/1990US4944175 Universal rolling mill stand with adjustable sets of horizontal rolls and vertical rolls
07/24/1990US4942754 Arrangement for axially displacing rolls in rolling mill stands
07/11/1990CN1008697B Fixture for axially adjusting rolls of rolling stand for manufacturing sectional steel
07/10/1990US4939920 Monitoring device for roll bearings in rolling mills
07/10/1990US4939919 Roll forming machine
07/05/1990DE3843387A1 Device for changing rolls, particularly the horizontally displaceable work rolls in a rolling stand
07/03/1990US4938615 Roll neck bearing
06/1990
06/28/1990WO1990006822A1 Roll stand of rolling mill
06/21/1990DE3842663A1 Adjusting device for the displaceable bearing blocks of a roll shaft
06/21/1990DE3841980A1 Six-high rolling mill
06/19/1990US4934838 Frame member for supporting multiple bearings with heat barrier slot
06/19/1990US4934166 Rolling mill with axially shiftable rolls and process for adjusting the profile of such rolls
06/14/1990WO1990006193A1 Roll stand of rolling mill
06/13/1990EP0267420B1 Rolling stand with an axial shifting device for adjustable cylinders
06/12/1990US4932233 Roll stand with two or more pairs of roll housings
05/1990
05/31/1990WO1990005597A1 Roll stand of rolling mill
05/31/1990DE3939217A1 Prodn. of profiled rod - using extruder followed by rolling stand with 2 sets of rolls at 90 deg. to each other and device to maintain constant min. tensile stress
05/30/1990EP0370995A2 Profile roll-forming machine
05/23/1990EP0369555A2 Apparatus for the production of hot-rolled steel strip from a continuously cast material
05/23/1990EP0287848B1 Longitudinal strip-cutting shears
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