Patents
Patents for B21B 31 - Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames (6,388)
04/1989
04/11/1989US4819949 Shielded seal assembly
04/11/1989US4819507 Device for simultaneously driving the screws of two parallel screw-and-nut systems
04/05/1989EP0309740A1 Method for measuring roll profile and apparatus therefor
04/05/1989CN1032125A Carrying device for rolling mill base or its unit assembly
04/04/1989US4817410 Roll for mill
03/1989
03/29/1989EP0309394A1 Rolling mill stand or continuous-casting stand
03/29/1989EP0308643A2 Transport device for rolling mill stands or groups of stands
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
03/21/1989US4813259 Rolling mill
03/21/1989US4813256 Apparatus for axially positioning a roll of a rolling mill for making a metal profile or steel structural shape
03/21/1989US4813113 Overhung roll assembly
03/09/1989DE3728795A1 Rolling stand with work rolls
03/08/1989EP0305466A1 Rolling mill housing structure.
03/08/1989CN1031492A Roll neck bearing assembly and inner bearing components therefor
03/01/1989EP0304493A1 Hydroxystyrene derivatives
02/1989
02/23/1989WO1989001368A1 Chockless rolling mill
02/22/1989EP0304160A1 Seal assembly
02/15/1989EP0303359A1 Seal
02/14/1989US4803865 Stand-supported bending device for axially slidable rolls of a multiroll rolling mill
02/14/1989US4803862 Positioning of edge rolls
02/08/1989EP0302254A1 Rolling mill stand which can be converted into a four-high stand or universal stand
02/08/1989CN1030882A Hydraulic press with superhigh pressure for rolling mill
02/02/1989DE3724557A1 Piston-cylinder unit for rolling stands
02/01/1989EP0301731A2 Seal assembly
01/1989
01/24/1989US4799808 Compact seal
01/18/1989CN1030370A Roll stand having two or more couples of stand of rolls
01/12/1989DE3819588A1 Compact rolling mill
01/12/1989DE3722054A1 Apparatus for the axial displacement of rollers in hot and cold rolling mills
01/11/1989EP0298675A1 Sleeve mounting and removal tool
01/11/1989EP0298318A2 Roll stand with two or more pairs of roll housings
01/04/1989EP0297729A2 Apparatus for detecting a failure in bearings
01/04/1989EP0297323A2 Sealing device for roll bearing
01/04/1989EP0297322A2 Sealing device for roll bearing in skin pass mills
01/03/1989US4794776 Load-bearing structure for a continuous rolling mill for seamless tube making
12/1988
12/28/1988EP0296407A2 Device for axial shifting the supports of roll bearings
12/21/1988EP0296006A1 Axial maintenance device for the rotating sleeve of a mill roll
12/21/1988EP0295449A2 Device for printing or die cutting a web
12/14/1988EP0294544A2 Rolling stand with axially adjustable cylinders
12/14/1988EP0294494A1 Edging roll for flanged shape
12/14/1988CN88101625A Oil film bearing and bushing
12/13/1988US4790673 Rock neck bearing assembly and inner bearing component therefor
12/07/1988EP0293670A2 Device for axial shifting of rotating cylinders
12/07/1988EP0293583A1 Axial shifting device for rolling mill rolls
12/07/1988CN88103216A Universal roll stand with adjustable horizontal and vertical roller set
11/1988
11/29/1988US4787226 Roll adjustment method
11/23/1988EP0291719A2 Universal rolling mill stand with adjustable horizontal and vertical rolls
11/22/1988US4785653 Wire rod block
11/22/1988US4785651 Device for axial displacement of rolls in a rolling stand
11/17/1988WO1988008761A1 Rolling mill stand
11/17/1988EP0290710A1 Reversing rolling mill for producing steel rods
11/17/1988DE3714206A1 Rolling stand for rolling either with two-high horizontal-roll sets or universal roll sets
11/09/1988EP0290249A2 Rolling mill laying head
11/09/1988CN88102216A Assembly of rollers with holes and its frame used for rolling bar iron
11/09/1988CN88100672A Control device for universal roll stand, especially finishing stand in universal
11/03/1988DE3811953A1 Slitting strip shears
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
10/26/1988EP0287848A1 Longitudinal strip-cutting shears
10/20/1988DE3811847A1 Method for controlling the offset of the work rolls in a rolling stand
10/19/1988EP0286875A2 Series of grooved rolls for rolling steel bars and roll stand hereto
10/11/1988US4776078 Sleeve mounting and removal tool
10/05/1988EP0285333A2 Oil film bearing and bushing
10/05/1988EP0285332A2 Roll neck bearing assembly and inner bearing component therefor
09/1988
09/28/1988CN87105966A Roll stand for setting unilateral roll collar on double-faced support to pair roll spindle
09/27/1988US4773246 Process for adjusting the profile of rolls movable in a rolling mill and improved rolling mill for carrying out the process
09/22/1988WO1988007035A1 Hydroxystyrene derivatives
09/22/1988WO1988006930A1 Rolling mill housing structure
09/22/1988DE3708004A1 Apparatus for changing over a production line for tubes or cold-rolled sections
09/21/1988EP0283342A1 Rolling mill having axially shifting rolls, and roll profile control method
09/20/1988US4772137 Oil film bearing and bushing
09/20/1988US4771626 Apparatus for roll-changing
09/20/1988CA1242089A1 Apparatus to mechanically stress a bolt-type fastener
09/14/1988EP0281782A1 Rolling mill stand
09/14/1988CN87217057U Swing double sleeve roll changing device
09/13/1988US4770548 Hydrodynamic seal
09/13/1988US4770424 Compact labyrinth-type seal
09/13/1988US4770021 Working roll shift type rolling mill
09/07/1988EP0281319A2 A rolling mill
08/1988
08/30/1988CA1241222A1 Hydraulic roll protection system
08/23/1988US4765556 Rolling mill laying head
08/18/1988DE3703756A1 Rolling stand for rolling rod or tube stock
08/17/1988CN85108036B Multirow roller bearing
08/16/1988US4763505 Rolling mill stand with roll replaceability
08/10/1988EP0277248A1 Multistage rolling mill
08/09/1988CA1240357A1 Self-adjusting minimum clearance bearing
07/1988
07/27/1988EP0275875A2 Adjustment device for universal roll stand
07/14/1988WO1988004965A1 Edging roll for flanged shape
07/13/1988CN87213125U Press-up device for three-high mills
06/1988
06/30/1988WO1988004583A1 Double roller crossrolling mill for piercing and stretching solid and hollow blocks
06/29/1988EP0272571A2 Roll stand with roll rings
06/29/1988CN87213397U 弹性胶体分离装置 Elastic colloid separation device
06/28/1988US4753097 Universal roll stand
06/22/1988EP0272050A2 Cantilevered roll stands for rolling mills
06/21/1988US4751837 Method and apparatus for level control of rolling mill rolls
06/09/1988DE3737807A1 Walzwerk, insbesondere kaltwalzwerk Rolling mill, cold rolling mill in particular
06/08/1988EP0270497A2 Dough-rolling method
06/07/1988US4748840 Fastening a hydraulic drive in roll stands
06/01/1988EP0269156A1 Universal rolling stand with rolling rings supported as cantilevers
05/1988
05/31/1988US4747291 Hydraulic force applying device in a rolling mill stand
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