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WO/2007/080087A1 |
The invention relates to a method for changing a first set of rolls (7, 8) in a roll stand (4) by means of a first locomotive mechanism and for changing a second set of rolls (5, 6) in the same roll stand (4) by means of a second locomot...
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WO/2007/080093A1 |
The invention relates to a method for handling/transporting rolls and/or supports rolls in a roll workshop. The invention is characterised in that the working rolls (7, 8) are pulled/displaced by means of a locomotive mechanism (9) from ...
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WO/2007/060370A1 |
The invention relates to a method for the in-line replacement of cylinders in a rolling mill, consisting in: moving a carriage close to a cage; actuating displacement means with which the carriage is equipped such as to extract the used ...
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WO/2007/042060A1 |
The invention relates to an apparatus for adjusting working rolls to the rolling line, in particular in four-high rolling mills, by means of at least one wedge pair (1, 1’) which acts on roll installation parts in the region between ro...
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WO/2007/039187A1 |
The invention relates to a roll stand comprising at least one pair of rollers mounted on a stand frame, drive shafts (1), in particular articulated shafts, for rotatably driving the rollers and a coupling device (2) for coupling the driv...
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WO/2007/014911A1 |
The invention relates to a rolling mill for tubes, in which a series of roll-holder containers (10) is housed in an external structure (2) extended along a rolling axis (L); the containers can slide inside the structure to be extracted t...
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WO/2006/131361A1 |
The invention relates to a device for impinging the guide surfaces of bearing inserts (LS) that are guided in the stand windows (SF) of roll stands by means of pressure plates (DP). These pressure plates can be placed on the guide surfac...
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WO/2006/122710A1 |
A device for rotationally locking a rolling mill roller, which is mounted in bearing inserts (LS), to the bearing inserts (LS) has an axially displaceable sliding housing which is placed on the journal (WZ) of the roller and has planar f...
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WO/2006/119738A1 |
The invention relates to a four-row tapered roller bearing (1) for machine mountings, with an inner ring (2) of two-part design axially and an outer ring (3) of single- or multi-part design axially, with an inner and/or an outer tapered-...
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WO/2006/086919A1 |
A combined mill housing includes upper and lower beams and columns, wherein the upper and lower beams and columns are independent members from each other and upper and lower beams and columns are connected by a connecting device so as to...
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WO/2006/086154A1 |
A monitoring and alarm system is disclosed for a rolling mill in which oil is pumped from a reservoir (14) via feed piping (22) and branch feed lines (22a) to oil film bearings (10) and oil is returned from the bearings (10) via branch d...
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WO/2006/034878A1 |
The device with a housing and several rollers, circular cylindrical drums and the like, whose axes are parallel and mounted between two walls, particularly for forming a strip which can be formed at high temperatures in a through-put on ...
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WO/2006/002772A1 |
For many applications, high adjustment forces are required for pressure-medium cylinders. The dynamics of said cylinders are often impaired as a result of large piston cross-sections and cylinder volumes and/or the pressure medium has to...
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WO/2006/000381A1 |
A finishing monoblock for a billet lamination plant of the type comprises a plurality of lamination cages (G1Gn) arranged in sequence suitable for forming a lamination line and actuated by a pair of mechanical transmissions (22, 22') a...
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WO/2005/123374A1 |
Support apparatus for embossing rolls comprising a fixed structure (1) with two sides (10), which provide multiple supports for one or more embossing rolls (2) having the respective horizontal axes between said sides (10) and being conne...
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WO/2005/123293A1 |
A bar speed changing device (48) comprising a pair of upper rollers (55, 55') and a pair of lower rollers (59, 59'). Said device receives a bar section with the rollers (55, 55', 59, 59') in the open position and rotating at a given spee...
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WO/2005/123290A1 |
The invention relates to an apparatus for rolling a strip (21) comprising a first work roll (24), which is mounted from both ends with bearings (35) to the mill frame, a second work roll (25), which work rolls (24, 25) are forming a nip ...
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WO/2005/123291A1 |
The invention relates to an apparatus for rolling a metallic product comprising a mill frame (18), a first cantilever roll shaft (19), a second cantilever roll shaft (20), both said roll shafts (19, 20) being mounted on the mill frame (1...
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WO/2005/107972A2 |
A method for eliminating the vibrational chatter in a rolling mill stand (1), whereby existing roll chocks (6) (7)are machined to allow commercially available thrusting means, including hydraulic cylinders (11) (12) (13) (14) and the acc...
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WO/2005/105333A1 |
A method for controlling the rolling process of a rolled product, such as a steel, aluminium or plastic product. Controlling the rolling process refers to the minimization of the periodic machine-direction gauge variation of a rolled pro...
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WO/2005/095012A1 |
The invention relates to a method for assembling and/or starting machine units in installations, such as machine beds (1) and/or roll stands (2), e.g. in an existing production line of a hot-rolling mill. In order to minimize especially ...
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WO/2005/092530A1 |
Cold rolling-mill for wire and/or rods, of the type used in a rolling line for the production of wires and/or rods (F), characterized in that it comprises: i.- transmitting means with a single motor axis (1) with a four-geared transmissi...
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WO/2005/092532A1 |
Cold rolling-mill for wire and/or rods, of the type used in a rolling line for the production of wires and/or rods (F), characterized in that it comprises for each coaxially mounted roll (RR), a keyed axis with external flange (AX) that ...
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WO/2005/092529A1 |
Cold rolling-mill installation for the production of wire and/or rods (F), characterized in that it comprises: - at least one upstream main rolling stand of the type with rolls (RR) supported on one side and the other (SD), followed by, ...
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WO/2005/089972A1 |
The invention relates to a method and a device for exchanging sets of rolls (5; 6) in the rolling frames (2, 3, 4) of a rolling mill (1). Said device is equipped with a number of separate transversal displacement carriages (9, 10, 11). A...
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WO/2005/089971A1 |
The invention relates to a platform (1) for industrial installations, particularly for high-pressure descalers (3a) or other machines (3) with optionally bundled supply lines, discharge lines and/or distributing lines (11) that, during o...
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WO/2005/082554A1 |
A changeover system (1) for a metal forming mill, in particular for a tube-forming mill, comprises at least one pair of work modules (10, 11), the work modules of which are adapted to be pivoted (P1, P2) into and out of a line of work st...
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WO/2005/075858A1 |
This invention relates to one sealing equipment used between a first surface and a second surface which can move relatively. Said equipment includes a main body and at least a sealing part. The main body and the sealing part are located ...
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WO/2005/075120A1 |
The invention discloses a roll changing device for a multi-roll mill, comprising: a housing; coupling axle seats provided in the housing, said coupling axle seats being provided in two rows; and coupling axles rotatably supported by corr...
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WO/2005/071278A1 |
The invention relates to a device (1) for sealing the ball side of a bearing of a roller journal (2), comprising a journal bushing (3) which is drawn to the roller journal (2), said journal bushing being associated with a bearing ring (5...
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WO/2005/065855A1 |
The invention relates to a sealing device for cylinder bearings, in particular, oil film bearings or roller bearings. According to the invention, a sealing ring (6) which has a cylindrically-shaped sealing surface (7) is connected to the...
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WO/2005/065853A2 |
When rolling sheets or strips in roll stands using working rolls, which are supported on back-up rolls or on intermediate rolls having back-up rolls, whereby the setting of the roll gap is effected by axially displacing roll pairs provid...
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WO/2005/063417A1 |
The invention relates to a method for combining the operating modes of individual rolling frames in a tandem cold rolling mill comprising respective pairs of working rolls (10) and back-up rolls (12) in 4-roll frames and in addition a pa...
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WO/2005/061138A1 |
Disclosed is a roll stand for edgers in rolling mills. Said roll stand is embodied in several pieces, comprising two crossheads (1a, 1b) and four longitudinal bars (4a, 4b) as main components (1) as well as one respective common crucifor...
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WO/2005/061139A1 |
The invention relates to a sealing device for roller bearings, comprising a journal seal (4), which is arranged upstream on the roller-ball side of the annular seal (8) which is connected in a rigid manner to an annular projection (7) of...
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WO/2005/061140A1 |
The aim of the invention is to pre-stress a tapered roller bearing (1) fixed with a conical seat to a tapering roller journal (3) of rollers (2), especially supporting rollers, arranged in a roll stand by means of chocks (4), by subjecti...
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WO/2005/049242A1 |
The invention relates to an adjusting roll for the rapid adjustment of rolls in rolling frames, among others vertical upset forging frames, comprising at least one respective piston, which acts on both sides of a working roll to adjust t...
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WO/2005/046895A1 |
The invention relates to a roll mill comprised of at least one horizontal frame (1) and of at least one vertical frame (2), which are joined to one another. According to the invention, joining elements (7) are releasably mounted between ...
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WO/2005/037455A1 |
A seal (64) for use on the tapered section of a roll neck in a rolling mill, comprising a flexible and resilient circular seal body (66) having a cylindrical outer surface (72) delimited at at least one end by a radially outwardly extend...
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WO/2005/038332A2 |
Method of lubricating a bearing assembly and preventing the ingress of contaminants wherein gas is supplied and grease is supplied to the bearing assembly and supplied grease and gas are transported through and discharged from the bearin...
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WO/2005/035155A1 |
While a reference means having a positional relation with the pass line of a multi-stage rolling mill defined in advance and a groove (area enclosed by the groove profile of a rolling roll) formed by a rolling roll at each stand are imag...
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WO/2005/021175A1 |
The invention relates to a device for installing and removing a bearing assembly (3) which consists of a chock in which a trunnion bearing is arranged on a supporting roller stud (1) of a rolling stand. The aim of said invention is to re...
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WO/2005/018843A1 |
The invention relates to a method for extending the casting cycle for the two-roll strip casting of a steel strip, with in-line rolling thereof, said steel strip being rolled in at least two successive rolling units (1, 2) of a rolling m...
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WO/2005/011884A1 |
The invention relates to a rolling device (1) comprising two working rollers (2) which are respectively mounted in a roll stand (4) by means of working roller inserts (3). The working roller inserts (3) in the roll stand (4) can be locke...
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WO/2005/011885A1 |
The invention relates to a rolling device (1) comprising at least two working rolls (2, 3) which are respectively mounted in a roll stand (6) by means of working roll assembly pieces (4, 5). At least one of the working rolls (2, 3) is ad...
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WO/2004/096458A1 |
The invention relates to a roller bearing comprising inserts wherein a roller (1) extending along the roller axis is mounted in order to roll a metal strip with a roller spigot (9). Each insert (2) is connected to the roller spigots (9) ...
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WO/2004/089559A1 |
The invention relates to a device for recirculating oil from the side surface (ST) of the rolling elements (WB) and the peripheral surface of the journal (WZ) of rolling mill rollers (W) located in the bearing of a bearing built-in piece...
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WO/2004/082860A1 |
A method and apparatus for stably producing a metallic plate material having no camber or an extremely slight camber. The method and apparatus use a rolling machine for a metallic plate material. The machine has at least work rollers and...
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WO/2004/082941A1 |
The invention relates to a drive system for parts which can be moved in a rotary or translatory manner, said system comprising a motor-driven displacement mechanism for each part to be controlled. Each part to be controlled has a surface...
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WO/2004/080621A2 |
The invention relates to a method for changing the configuration of a rolling mill comprising at least two working cylinders and two support cylinders, means for applying a tightening effort and two sets of hydraulic camber actuators, an...
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