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WO/1996/035839A1 |
The roller (100) can be heated from inside the roller body (10) by a heater (20). Radially outside the heater (20) there are axially parallel drillings (30) evenly distributed over the periphery of the roller body (10) which are connecte...
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WO/1996/027688A1 |
A cladding material for centrifugal casting rolls which contains 2.5-4.7 % C, 0.8-3.2 % Si, 0.1-2.0 % Mn, 0.4-1.9 % Cr, 0.6-5 % Mo, 3.0-10.0 % V, and 0.6-7.0 % Nb, these elements satisfying the following relationships (1) to (4): (1) 2.0...
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WO/1996/026369A1 |
The production and operation of high-performance press-rollers having the usual design always entails considerable production and maintenance costs to set and maintain the pressure in the working slit of the roller arrangement at a const...
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WO/1996/025248A1 |
A horizontal roller guide apparatus HG or a friction guide apparatus FG is disposed near the front of a universal finishing mill FU for a shape having a flange and a web. Due to the synergistic effect of restricting the center portion of...
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WO/1996/024443A1 |
A roll draining unit comprising a drain head positioned so that the drain head can be freely engaged with and disengaged from a roll of a rolling mill, a support frame supporting the drain head on a front end portion thereof, a support f...
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WO/1996/017699A1 |
When a hot rolled wide steel band is slit into narrower strips, the edges will have sharp corners. All four corners of such a strip (28) can be trimmed simultaneously by having the strip running between two rolling devices so that the ro...
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WO/1996/018047A1 |
A device is proposed for centring a bearing bush (4) made of a material (such as a ceramic material) which is sensitive to tensile stress on a shaft (1) which at lower operational temperatures enjoys a degree of play relative to the bush...
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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/1996/014174A1 |
A multi-strand finishing block finishes two or more daughter strands slit from a parent bar. Each strand is rolled by at least two pairs of rolls arranged in tandem with the rolls of each pair being at right angles to the rolls of the ot...
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WO/1996/007858A1 |
Modular roll apparatus particularly suitable for conveying hot material such as a sheet being processed. Each roll (8) has its own individual water bath and drive mechanism (7). A water trough (16) isolates the bath from the bearings (10...
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WO/1995/034388A1 |
In a hot or warm mill for rolling metal strip, a profile control system (G) detects the profile of strip exiting the mill, compares it with a desired profile to provide an error profile and the stand or stands of the mill (S1-S3) have th...
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WO/1995/033932A1 |
Described is a roller, in particular a roller for grinding or de-agglomerating a variety of materials. The roller is suitable for any application in which roller deformation, leading to a non-constant roller opening, in particular at hig...
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WO/1995/026836A1 |
Method of producing metal sheets or strips by rolling a metal sheet or strip through cold rolling mills, characterized in that at least two work rolls (2) are textured according to a surface pattern consisting in a regular deterministic ...
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WO/1995/026837A1 |
A method of reducing thermal shock on a work roll during the hot reduction of steel slab or sheet wherein a surface of the workpiece is cooled by at least 150 �C to a temperature of not less than 750 �C prior to its contact with the ...
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WO/1995/024513A1 |
A cast ferrous alloy which contains in addition to iron and inevitable impurities the following components wherein all percentages relate to the percentage content by weight: carbon 1.05 to 3.8 %, chromium 2.0 to less than 8.0 %, molybde...
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WO/1995/007775A1 |
Method of producing metal sheets or strips by cold reduction rolling of a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the texture...
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WO/1995/007774A1 |
Method of producing metal sheets or strips by tandem rolling a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the textured work roll...
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WO/1995/005251A1 |
Strip material moves along a pass line (18) through work rolls (10, 12) of a rolling mill. The strip is sprayed with a lubricant before contacting the work rolls (10, 12). Apparatus for removing the lubricant and drying the strip after r...
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WO/1994/026942A1 |
A method of making an engineering ferrous metal product comprising performing an electroslag remelting operation on a consumable electrode element comprising engineering ferrous metal and in which an ingredient, additional to said consum...
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WO/1994/022606A1 |
A hot-rolling roll excellent in wear and seizure resistances, which has a composition by weight consisting of 2.0 - 4.0 % of carbon, 0.5 - 4.0 % of silicon, 0.1 - 1.5 % of manganese, 1.0 - 7.0 % chromium, 2.0 - 10 % of molybdenum, 2.0 - ...
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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/1994/011541A1 |
A method of making an engineering ferrous metal comprising the steps of adding to liquid engineering ferrous metal solid alloy carbide particles and thereafter permitting the ferrous metal to solidify. The alloy carbide particles are coa...
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WO/1994/011128A1 |
A cermet material, a composite roll comprising a core and a hardfacing of the cermet material, and a method of forming the composite roll are disclosed. The cermet material comprises particles of niobium carbide and an alloy, with the co...
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WO/1994/008064A1 |
A method of manufacturing galvanised open or closed steel sections eliminates the steps of pickling and rinsing. The manufacturing process is modified in such a manner that shot blasting of both sides of a strip of substantially flat ste...
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WO/1994/006577A1 |
A thin substantially pure lead film and a method and apparatus for manufacturing the same, wherein the thin film has a lead content of at least 99.4 %, and preferably at least 99.9 % or 99.99 %, and a thickness of less than .003 inches i...
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WO/1994/000253A1 |
Rolls for metal shaping have at least a peripheral surface of an iron-based Fe-B or Fe-B-C cast alloy having from 1 to 20 wt% chromium; from 0.5 to 3 wt% boron; up to 1.0 wt% carbon; or higher carbon if substantial amounts of strong carb...
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WO/1993/019874A1 |
A cooled supporting roller intended particularly for use in the continuous casting of steel shapes includes a plurality of axially extending coolant channels (1, 24) which are divided uniformly around the periphery of the roller. All cha...
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WO/1993/018870A1 |
A tube making mill setup includes an induction heater (12) for a billet (17), with means (34) to transfer the heated billet directly to a piercing machine. The piercing machine includes main driving and gripping rolls (31, 32) on skewed ...
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WO/1993/016343A1 |
Described is a material handling apparatus for processing heated formed ferrous metal products and/or glass products comprising a face centered cubic crystal intermetallic alloy of a metal aluminide having the property of withstanding re...
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WO/1993/015854A1 |
The invention relates to a coolant and lubricant installation for rolling mills (1) in which material to be rolled, especially strip (2), is rolled in reversing mode. In order to be able to supply the rolling mill (1) with highly pure co...
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WO/1993/012897A1 |
A high tensile strength steel sheet for the exterior of automobiles or household electric appliances which is improved in lubricating capability during press working by forming regular recessed and raised portions on the surface thereof ...
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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/1993/007974A1 |
The invention concerns a process and mill for hot-rolling metal strip (5), the mill having one or more roller stands with working rollers (1, 2). In order to avoid surface defects being produced on the working rollers (1, 2), a coolant l...
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WO/1993/005897A1 |
An intermediate billet, which has been rolled by a rough roll train of a bar rolling mill, is finish rolled to obtain N pieces of strands connected to one another through thin connecting portions. Next, strands at opposite ends are cut o...
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WO/1993/006406A1 |
A rotary joint assembly has a casing (70). Coolant is supplied via inlet nipple (74) to pipe (72) and returns via passage (96) to exit from outlet nipple (80). Casing (70) secures the rotary joint assembly to a rotary body (not shown) to...
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WO/1993/005193A1 |
A material of outer layer of the roll for rolling containing the following elements at respective ratio: C: 1.5-3.5 %; Si: 1.5 % or under; Mn: 1.2 % or under; Cr: 5.5-12.0 %; Mo: 2.0-8.0 %; V; 3.0-10.0 %; and Nb: 0.6-7.0 %, on condition ...
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WO/1993/004796A1 |
This method is characterized by making a plurality of minute recesses in the surface of a steel plate by using a dull rolling roll on the surface of which projections consisting of Cr as a main component are provided uniformly, so as to ...
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WO/1993/005192A1 |
A material of outer layer of the roll for rolling containing the following elements at respective ratio: C: 1.5-3.5 %; Si: 1.5 % or under; Mn: 1.2 % or under; Cr: 5.5-12.0 %; Mo: 2.0-8.0 %; V: 30-10.0 %; and Nb: 0.6-7.0 %, on condition t...
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WO/1993/003199A1 |
A method of surface treating a rolling roll through such steps that patterns covered with a hardened photosensitive resin composition are formed only on the required parts of said surface and said hardened composition is peeled off after...
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WO/1993/001894A1 |
The invention relates to combined methods of processing metal and alloy articles as well as to devices for inplementation of these methods. A method for processing articles comprises evacuation of the space between the article (7) and el...
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WO/1993/001488A1 |
An optical surface inspection device for use in obtaining a still image of the surface of a mill roll, wherein a housing box having a see-through window portion and disposed therein, a stroboscopic illuminating device and a television ca...
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WO/1992/020471A1 |
A six-stage rolling mill provided with a pair of top and bottom work rolls, intermediate rolls and backup rolls, at least the intermediate rolls out of the intermediate rolls and the work rolls capable of being shifted in the axial direc...
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WO/1992/019809A1 |
A roller for heat treatment of a web of material (4), in which the web (4) is cooled to a defined, predetermined temperature in a gap (5) between the roller (1) and a mating roller (2) is designed as a variable-flexibility roller with a ...
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WO/1992/013651A1 |
The present invention relates to a roll (1), comprising cemented carbide and cast iron, and method for manufacture of the same. The roll may be used for hot or cold rolling. The barrel comprises one or several cemented carbide rings (2),...
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WO/1992/011959A1 |
A cooling roll comprises a rotatable arbor (1) with an annular sleeve (7) shrunk onto it. There are internal passages (25) in the sleeve for the flow of liquid coolant there along. The internal passages are in communication with ducts (1...
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WO/1992/011960A1 |
Dimples (2) are formed on the peripheral surface of a cooling drum (1) for casting a thin cast piece by applying laser beams (10a) having a wavelength ranging from 0.30 to 1.07 $g(m)m onto said surface while rotating said cooling drum on...
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WO/1992/007668A1 |
Roller for a roll stand with an interchangeable roller ring (1) and a divided roller body, both parts (3, 4) of which form a clamping flange and are interconnected by a central tension connector (7, 11, 12; 20, 21, 12; 22, 23, 12). An ax...
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WO/1992/005889A1 |
The invention relates to a hot-rolling mill, preferably a hot-rolling milling having at least two pairs of rolls. Continuous belts are drawn around the upper and lower rolls, respectively, running in contact with the rolled metal, betwee...
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WO/1992/005910A1 |
The invention concerns a process for the surface treatment of a texturing roller, an electron beam being used to produce a figured surface on the roller. In this process, before the roller is exposed for a certain period of time to an el...
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WO/1992/005909A1 |
The invention concerns a process for the surface treatment of a texturing roller, an electron beam being used to produce a figured surface on the roller. In this process, the roller is exposed for a certain period of time to an electron ...
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