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JP2011045922 |
To provide a method for temper-rolling a steel strip, by which a prescribed elongation percentage is secured and shape straightening is made possible within the range of rolling load which is coped with a conventional rolling mill even a...
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JP2011041965 |
To simply conduct rolling of a steel material while suppressing generation of a surface flaw on the surface of the steel material, when forming a steel material having an angular crosssection into one having a round crosssection.There is...
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JP2011031305 |
To provide a facility and a method for manufacturing a strip plate, capable of manufacturing a flat shaped strip plate by easily and quickly correcting, during continuous rolling, the uneven shape of the width end part which occurs in a ...
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JP2011025255 |
To provide a manufacturing method by temper-rolling a metallic strip having the dull-surface excellent in fatigue strength without deteriorating mechanical material in the outer layer part and significantly raising manufacturing cost, an...
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JP2011025319 |
To provide a suitable means to perform rolling stably, which is high in crown control capability by using higher-order function rolls.The external shape of a roll barrel is decided so that the integrated value when integrating the produc...
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JP2011025305 |
To provide a technology which enables stable rolling without causing scratches during repair due to a failure or an abnormal operation of lubricating oil supply nozzle, in a lubricating oil supply method using air atomization method in w...
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JP2011025253 |
To provide a rolling mill which allows work rolls having a smaller diameter to be used in order to roll hard materials and sheet materials and ensures high productivity and strips having high product quality, and a tandem rolling mill in...
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JP2011025299 |
To provide a rolling mill having a shifting function of a work roll, with which a high-quality rolled stock having no transferred flaws on its surface is rolled by suppressing the generation of worn flaws on the work rolls caused by both...
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JP2011025264 |
To provide a production method for obtaining a magnesium plate excellent in formability.This method includes: a step in which the magnesium plate in a coil shape is unwound; a step in which the magnesium plate is heated to or its heat is...
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JP2011016144 |
To improve rolling efficiency by preventing bite-out of an outer face of a part corresponding to a flange part during rolling with a forming caliber when a rough shaped billet for a shaped steel with a web part and the flange part is man...
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JP2011005534 |
To improve a yield by more surely preventing orange-peeling or surface-roughening.A method for manufacturing a deformed cross-sectional bar includes a step of rough rolling, a step of annealing, and a step of finish rolling. In the step ...
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JP2011000603 |
To provide a method of manufacturing a forged steel roll for cold rolling, by which the forged steel roll for cold rolling excellent in crack resistance is manufactured, which is prevented from rupturing the roll by cracks during manufac...
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JP2011000598 |
To provide a composite sleeve roll for rolling which carries out stable rolling by reducing the wear of the sleeve roll due to the slippage of the sleeve roll and a shaft disk.The composite sleeve roll 1 for rolling is rotated by frictio...
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JP2011000640 |
To enhance the degree of freedom in lubrication control by adjusting the mean particle diameter and concentration of emulsion type rolling oil while circulating the emulsion type rolling oil for use.A lubricating oil supplying device for...
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JP2011000609 |
To provide a method and an apparatus for manufacturing bars having an irregular cross section, wherein the bars having the irregular cross section are manufactured accurately by filling a material in thicker sections sufficiently and at ...
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JP2010284686 |
To easily set the optimum degree of mixing, and determine abnormality such as clogging and deterioration of a nozzle.An on-line digital system of oil rolling includes: a variable orifice 200 having a squeezing portion, a diffusing chambe...
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JP2010284683 |
To provide a long-life cold rolling roll with which a steel sheet for cans having excellent surface properties can be manufactured.In the long-life cold rolling roll the surface of which is irradiated with a laser beam and on which holes...
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JP2010279989 |
To provide a rolling roll on which graphite is formed in a substantially uniform manner in a service diameter range of an outer layer in the roll thickness direction, and a method for manufacturing the same.The rolling roll is manufactur...
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JP2010274301 |
To provide a water draining device of a rolling roll adaptable to the deformation of the rolling roll though the structure of the device is simple.The water draining device 100 removes cooling water deposited on a surface of a rolling ro...
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JP2010275595 |
To provide an outer layer material of a hot rolling roll made by centrifugal casting, which is excellent in wear resistance and an fatigue resistance of the roll surface layer, and to provide a composite roll made by centrifugal casting....
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JP2010260073 |
To provide a work roll for hot-finishing mills which allows stable rolling with excellent threading performance and the improvement in the shape quality of a steel plate by suppressing thermal crown generated on the work rolls in the hot...
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JP2010260072 |
To provide a work roll for hot-rolling mills which allows stable rolling with excellent threading performance and the improvement in the shape quality of a metallic sheet and a steel sheet after rolling by suppressing thermal crown gener...
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JP2010260097 |
To provide a simple method to adjust emulsion concentration in a supply system of emulsion with low concentration.The supply method of rolling oil utilizes a first rolling oil supply system to perform recirculation supply of rolling oil ...
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JP2010247196 |
To perform universal rolling of a shape having a flange without impairing the dimensional accuracy of the shape while reducing the local wear of horizontal rolls and a seizure mark on a product.A lubrication rolling method is disclosed b...
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JP2010247204 |
To propose a simple means for reducing the rise of emulsion concentration in a system for supplying a low concentration emulsion, namely, a problem when performing a hybrid system.In a method of supplying rolling oil for supplying rollin...
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JP2010234417 |
To provide a rolling mill which uniformly roughens the surface of a rolled copper foil and produces the rolled copper foil with low roughness and achieves fine wiring of an FPC (Flexible Printed Circuit Board), to provide the rolled copp...
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JP2010227959 |
To provide a simple means for solving a problem, which reduces raise in an emulsion concentration in a system for feeding a low-concentration emulsion when executing a hybrid system.A method for feeding a rolling-oil includes: using a fi...
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JP2010221233 |
To provide a rolling method and a cold tandem mill in which the variation of properties of emulsion rolling mill oil which is used circulatorily is reduced and which deal with the rolling of hard-to-rolled materials in cold tandem rollin...
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JP2010172909 |
To provide a metal sheet which is composed of magnesium alloy and has high rigidity though it is made thin, and a method of manufacturing the same.A rolled sheet 1 made of a magnesium alloy has the body 10 of the rolled sheet and project...
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JP2010104998 |
To provide a rolled copper foil capable of ensuring adequately matching surface roughness when the predetermined joining property must be ensured while the high peel strength such as FPC is not required without using any conventional rou...
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JP2010099668 |
To provide a cooling method of a cold-rolling roll effectively suppressing a thermal crown of a work roll while ensuring the excellent lubricity required even in the high-speed rolling in a circulating type rolling oil feed system.First ...
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JP2010094679 |
To provide a roll for rolling embosses and a method of manufacturing copper bars and copper foils for always forming a fine projecting solid pattern having desired dimensions are formed always accurately and uniformly on the surface of t...
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JP2010094687 |
To provide a rolling roll having an easily formed fine surface pattern and surface hardness suitable for rolling.The rolling roll 7 is manufactured by a manufacturing method including a step S1 for applying a photosensitive resin 2 to an...
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JP2010094704 |
To provide a method of cold-rolling a metal strip by which heavy reduction and high-speed rolling are possible and which is made efficient and stable, by increasing the critical draft of the generation of seizure (heat scratch) and rolli...
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JP2010094690 |
To provide a method for width rolling of a metal material, capable of suppressing repairing cost by preventing a pinch roll for width press in a hot rolling line from being broken in an early stage due to development of crack front end o...
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JP2010094705 |
To provide a method of a cold-rolling metal strip by which heavy reduction and high-speed rolling are possible and which is made efficient and stable by increasing the critical draft of the generation of seizure (heat scratch) and rollin...
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JP2010089118 |
To provide a method of manufacturing for uniforming the dimensional accuracy of shape steel having flanges such as a wide flange H-beam, especially, the thickness of the flanges.The thickness of a web, the thickness of the flanges and th...
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JP2010089121 |
To provide a large-diameter quadplex skin pass rolling mill and skin pass rolling method by which the skin pass rolling of the metallic strip of a galvanized steel sheet is performed at low load without bringing about remarkable increase...
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JP2010082676 |
To always form a fine projecting solid pattern having desired dimensions accurately and uniformly on the surface of a copper bar and a copper foil of a workpiece without causing the degradation of production efficiency and manufacturing ...
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JP2010082659 |
To provide a roll for forming a metallic sheet with which projecting parts are formed on the surface of the metallic sheet by utilizing the plastic deformation of metal and a method of forming the metallic sheet using the same.The roll i...
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JP2010052042 |
To provide a continuous casting method for a round slab for a seamless steel pipe.A round slab 9 during continuous casting by a circular mold is, before the completion of its solidification, subjected to rolling reduction with a pair of ...
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JP2010046710 |
To provide copper for wires in which coarse particles of oxidized copper are few in the vicinity of the surface and the generation of the defects such as omission and cracks on the surface of a copper wire are reduced, and to provide a m...
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JP2010023076 |
To provide a cold-rolling method excellent in heat scratch resistance by which a heat scratch is surely prevented without generating problems from the viewpoint of operation to a material to which high-speed rolling and a heavy-load roll...
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JP2010017751 |
To provide a method for manufacturing a shape steel, capable of inhibiting the flange portion of a shape steel stock from being bent toward the inside of the web in a finish rolling step.The shape steel stock is hot-rolled into a predete...
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JP2010012513 |
To provide a means for stably manufacturing a metal band having a small surface roughness, capable of suppressing change of a surface roughness of a work roll even though an amount of oil introduced to a roll bite is small while preventi...
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JP2010005677 |
To provide hot-rolling equipment and a hot-rolling method which are used in the hot-rolling stage of an iron and steel manufacturing process, especially, used for suppressing the rough surface and seizure of work rolls.In the hot-rolling...
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JP2010005635 |
To prevent roll cooling water from falling down onto a rolled steel without using many adjusting devices or regulating valves or the like.This device is provided with: elastic dewatering plate 3 which is arranged in the upper part of an ...
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JP2009291825 |
To provide a maintenance method and a maintenance device for an emboss roller capable of easily and reliably removing copper deposited on a surface of the emboss roller for rolling a copper foil.In the maintenance method of the emboss ro...
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JP2009285714 |
To provide a regeneration method of a used composite rolling roll which can be applied economically in a short working time and a regenerated composite roll manufactured by the method.The regeneration method is applied to the used compos...
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JP2009285723 |
To provide a manufacturing method by which a round steel bar excellent in quality is efficiently obtained.This method of manufacturing the round steel bar 48 includes following rolling stages: in a first rolling stage, a steel ingot 42 i...
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