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WO/1999/025499A1 |
The present invention relates to a precision rolling method intended for producing rolled products (1) in the shape or rods or wires while respecting the shape and size allowances. In order to provide good accessibility to the rolling st...
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WO/1999/019092A1 |
An apparatus and a method for changing a piercer roll of a vertical piercing mill, capable of automating the change operation of a piercer roll and coping with the requirement for a small-lot, multi-product production of seamless steel p...
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WO/1999/019091A1 |
An apparatus for changing a disc roll of a vertical piercing mill comprising a pair of disc frames (6) capable of supporting a disc roll (3), turning and being released, a disc suspension member (12) for mounting and removing the disc ro...
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WO/1999/019090A1 |
A piercing mill capable of automating the cannon changing operation and coping with a small-lot, multi-product production of seamless steel pipes having small to large diameters, and a cannon changing method. The piercing mill includes m...
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WO/1999/019093A1 |
A piercing mill capable of producing thin-walled pipes and improving a work efficiency of a disc roll position adjustment while securing sufficiently support rigidity of a disc roll, comprising a mill housing, a pair of disc frames (6) c...
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WO/1999/011396A1 |
A mill for rolling strips or plates, comprising: frames of the rolling stand, upper and lower crossbeams, screw-down means, upper and lower roll groups and roll chocks. The upper/lower crossbeam is respectively mounted on the upper/lower...
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WO/1999/011397A1 |
A rolling mill with roll deflection bi-dimensionally controlled, mainly comprising: frames of the roll stand, roll groups and roll chocks. In order to minimize the roll deflection during rolling operation, the present invention provides ...
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WO/1999/008817A1 |
A roll forming machine includes side roll stands (22, 24, 26) which are changed by use of a cart (44) and set up fixture which are movable parallel to the pass line through the stands. When a side roll stand (22) is to be changed, a chan...
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WO/1999/008816A1 |
A roll forming machine or tube mill comprises multiple mill stands defining a material pass line through the mill stands. The mill stands include rotating arbors (22, 24) carrying tooling which are supported between a drive bearing housi...
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WO/1998/054473A1 |
The invention relates to a device comprising at least one bearing that is connected to a lubricant supply by means of a distribution device (1) arranged on a bore hole (2) of a machine housing (3) and which distributes lubricant through ...
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WO/1998/051423A1 |
Tandem with two reversible four-high rolling stands (14a, 14b) for the cold rolling of thin strip up to 0.18 mm, advantageously from 0.18 to 1.2 mm, comprising at least a first (12a) and a second (12b) drawing reel, means to heat the rol...
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WO/1998/049454A1 |
One dismounts a bearing (12) on a steel work roll (11) by lifting the roll on to a roll support (13) which has wheels (17-20) on which the roll will rest. The bearing (12) is then fixed in a support (41) which is movable towards and away...
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WO/1998/045062A1 |
A sheet bar of 20 to 50 mm in thickness produced by continuous casting on a sheet bar caster is passed as they are through a first straightener, coiled in an up-end state into an up-end sheet bar coil, then the up-end sheet bar coil is u...
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WO/1998/036857A1 |
The invention relates to a device positioned in a bore hole (10) of a machine housing, which device distributes an oil-air mixture to different lubricating ducts of the machine housing. Said device comprises at least one cylinder-shaped ...
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WO/1998/034336A1 |
The invention relates to a driving mechanism for components of industrial installations, in particular for primary industry installations. The mechanism has at least one electric motor and at least one converter with driving mechanism va...
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WO/1998/026883A1 |
An improved roll shifting system for rolling mills comprising a pair of work rolls (13U, 13L) positioned on each side of the rolling plane, a pair of upright frame posts (10, 11) defining an opening in which chock guides (17) are mounted...
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WO/1998/015365A1 |
Two-high rolling stand, of the type involving the possibility of orthogonally moving the respective cylinders (51s, 51i) respect to the rolling axis and in movement which brings them away and close to one another by means of the sliding ...
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WO/1998/008629A1 |
Cold rolling equipment in which a rolling roll which surface is deteriorated through rolling is ground on a grinding truck provided on a side of a roll replacing truck opposite to a rolling mill without being transferred to a grinding ma...
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WO/1998/006515A1 |
The invention relates to a rolling mill for sizing tubes or cylindrical bodies such as bars, rods and so on, and is intended for the iron and steel industry. The rolling mill is made up of a multiplicity of fixed three-roll rolling units...
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WO/1997/047407A1 |
This invention comprises improvements to cantilevered roughing, intermediate and finishing rolling mill stands, as primarily applied to the hot rolling of long products. A basic improvement to 2-high and cluster mill stands includes moun...
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WO/1997/038821A1 |
A working machine such as a machine tool, a spinning machine, a press machine, etc., for executing cutting, plastic machining, etc. The machining efficiency and machining accuracy are improved by inclining a driving portion or shaft memb...
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WO/1997/036699A1 |
The invention concerns a method of producing hot-rolled steel strip from continuously cast semi-finished steel in operating steps which follow one another directly. According to the invention, when the liquid steel has been transformed i...
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WO/1997/036700A1 |
At least the working rolls in two groups of rolls are held by unitary metal chocks. The driving side portion and operating side portion of a material to be rolled are held at the upper side thereof by separately formed unitary metal choc...
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WO/1997/027011A1 |
A rolling mill of the present invention includes a mill stand (11) formed by two spaced apart housings (12, 14). The housings are configured to rotatably hold one of at least two sets of rolls. A hold-down assembly (24) is coupled to the...
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WO/1997/019767A1 |
A rolling mill for rolling pipes on a mandrel (40) is formed by an alignment of rolling units according to the invention; each rolling unit comprises an outer annular structure (2) formed by at least two plate-shaped elements (3) connect...
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WO/1997/014518A1 |
A hydrodynamically lubricated assembly is disclosed for adjustably and rotatably supporting the journals of work roll pairs in the housing (12) of a roll stand in a rolling mill. The assembly includes a pair of eccentric sleeves (20) jou...
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WO/1996/026022A1 |
A shoulder structure for rolling mill stand is described, whose uprights are of open type, being formed of two wings (3A, 3B), respectively inner and outer wing, preferably independent from each other or connected through either a web (3...
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WO/1996/025250A1 |
The invention concerns a roll post with a closed frame construction, in particular for heavy roll housings for rolling sheet metal and strip. The roll post comprises two vertical members which delimit the post window for accommodating an...
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WO/1996/021809A1 |
A steel mill roll (10) has its ends supported in self-aligning bearings (18, 20) that do not require a liquid or grease lubricant, and which are capable of operating at roll shaft temperatures up to 1500 degrees F.
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WO/1996/014945A1 |
The invention relates to a variable roll width type rolling roll constructed such that in order to enhance strength by eliminating stress concentration on a structure which drivingly couples a roll on a drive side to the other roll, a sl...
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WO/1995/023043A1 |
A roll forming machine which includes an outboard housing (96) having dual turrets (98-99), each turret carries a pair of rotatable arbors (113-114-115-116) which can carry forming rollers (117-118). The outboard housing is slidable alon...
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WO/1995/011097A2 |
The apparatus comprises a pair of rotatable devices each holding a plurality of metal shaping and/or cutting rollers, the rollers of one device meshing with rollers of the other device to produce specific designs or widths of material. T...
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WO/1994/029041A1 |
In an oil film bearing assembly for a roll (2) in a rolling mill, where a flexible seal (28) is mounted on a tapered section (6) of the roll neck at a location adjacent to a sleeve (10) fixed to the roll neck and defining the journal sur...
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WO/1994/021395A1 |
The present invention relates to a roll stand arrangement comprising a roll unit (1), two drive spindles (6, 7), a pinion stand (3), a pinion stand housing (5) and a drive unit (4). According to the invention, the components (1-4) of the...
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WO/1994/021397A1 |
The present invention relates to a roll stand arrangement comprising a roll unit (1), two drive spindles (6, 7), a pinion stand (3) and a drive unit (4). According to the invention, the roll stand arrangement is constructed to form a sin...
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WO/1994/021396A1 |
The present invention relates to an arrangement for fastening a roll unit carrier (2) firmly to the roll stand. According to the invention, the roll stand comprises a fastening device (15) which is journalled eccentrically in a rotatable...
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WO/1994/021398A1 |
The present invention relates to a supportive structure (1) for supporting a roll stand arrangement which includes a roll unit (10), two drive spindles (15, 16), a pinion stand (12) and a drive unit (13), which are built together to form...
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WO/1994/017932A1 |
A method and apparatus for manufacturing metallic strip (20) with a varying thickness is described. The metallic strip is particularly for use as part of a windscreen wiper blade assembly. Feedstock (14) having a constant thickness and w...
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WO/1994/016839A1 |
A sole plate (11) mounting roll stands (12), (13) thereon is releasably mounted on a forming machine bed. The roll stands (12), (13) are carried together with the sole plate (11) so as to accomplish roll changing at one time. Roll shafts...
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WO/1994/014038A1 |
A vibration detecting and condition monitoring system for the press section, including felts, rollers and presses, employing a feature extracting circuit having a selectable plurality of Bessel type bandpass filters (20) and an envelopin...
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WO/1994/001257A1 |
A device for cutting moving material webs, especially of fibrous materials, to shape comprises a rotating shape cutting roller and a rotating counter cutting roller. The shape cutting roller has a shape cutting side and the counter-rolle...
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WO/1994/000254A1 |
A hydraulic load capsule for a metal working rolling mill has a ram (4) slidably received within a casing (5). The ram (4) includes a hydraulic piston part (7) within a cylinder (8) formed in the casing (5) whereby the ram (4) can be ext...
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WO/1993/020960A1 |
A rolling stand (5) comprises at least three driven rolls (27, 28, 29), having their axes (A1, A2, A3) of rotation which are concurrent one another and lie in a plane perpendicular to a rolling axis along which the rolling stand is locat...
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WO/1993/012898A1 |
A replaceable rolling mill of the equipment for rolling a steel strip, which is capable of shifting the rolls from a horizontal position to a vertical position and vice versa. This mill has a pair of first shafts detachably connected by ...
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WO/1993/010921A1 |
The purpose is to provide a control device for positioning the superstructure of a four-column roll stand which emits a control signal corrected for the error in the longitudinal measurement of the lift position to raise, lower or pivot ...
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WO/1993/008938A1 |
In a rolling mill for rolling aluminium strip, it is desirable to apply water to the rolls on the entry side of the mill. Water should be kept off the surface of the rolled strip (S) to avoid marking and, to this end, a moisture extracti...
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WO/1993/005898A1 |
The invention relates to a roll supporting device to correct the roll gap in a cluster mill for strips. Each working roll (W1, W2) has at least one set of supporting rollers R allocated to it, which comprises supporting rollers (4) distr...
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WO/1992/018295A1 |
A radially adjustable anvil roll assembly (14) is provided for use with a die cutting cylinder (28) of a rotary die cutting press (12). The adjustable anvil roll assembly (14) comprises a shaft (56) mounted for selective and intermittent...
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WO/1992/002320A1 |
A twin roll caster has its two rolls (5) rotated with their axes of rotation in parallel planes but inclined to each other. In this way, sticking of the casting to the rolls is reduced or eliminated.
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WO/1991/017027A1 |
A rotary sheet processing system, such as a roller die cutting system incorporates force transferring bearer surfaces (23, 24, 30, 31) which may be bidirectionally adjusted to vary the clearance between cutting elements and a backup anvi...
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