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JP2002263710A |
To propose a continuous rolling method of a metallic material, in which simply and surely performed the positioning can be when materials to be joined are joined and stable continuous rolling can be attained with high productivity.After ...
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JP2002263709A |
To provide a continuos rolling method of a metallic material by which the generation of burrs in a joined part is prevented or suppressed, continuous rolling operation is stably executed and the manufacture of products having the excelle...
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JP3324055B2 |
To decrease the depth of foundation and to greatly reduce the scale of modification of existing equipment by making a lifting and lowering table under a flying joining device compact in continuous hot rolling. One or more table rollers a...
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JP2002263704A |
To provide a method and equipment for continuously rolling a metallic material, in which the stable operation of continuous rolling is executed and the manufacture of products having excellent quality of a joined part can be attained.Aft...
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JP3322972B2 |
An apparatus for rolling wire with subsequent cooling of the wire, which is, in particular, composed of high-grade steel, allows variation in the use of cooling sections if wire cooling sections (9, 12) for standard or forced cooling, de...
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JP3322984B2 |
The invention relates to an installation for the cold rolling of rolling stock in strip form comprising a reversing stand (2) arranged between two coiling/uncoiling reels (8,9). Using single-stand reversing mills of this kind it is possi...
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JP3323073B2 |
To stably pass through a rolled base stock without breaking the stock by preventing brittle fracture in the joined part at the first stand of a finishing mill. In this method, the tail end part of a preceding slab 1 after rough rolling i...
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JP3319898B2 |
A process is disclosed for the production of a non-oriented electromagnetic steel strip having its magnetic characteristics uniformly retained in the product coil. The process involves by full- or semi-processing, hot rolling a steel sla...
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JP3319892B2 |
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JP3321093B2 |
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JP2002527248A |
Method for producing a metal strip, in which the risk of the strip breaking is reduced in a path in which the strip is conveyed under stress in the strip direction, in which method, in a prior feed path of the metal strip, any defects wh...
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JP2002239611A |
To provide a cutting method for performing the butt welding of strips by which the generation of cut scraps is reduced to half and cutting planes are formed so that both end faces are parallel even in the case that deviation is generated...
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JP3318493B2 |
To prevent generation of a skid mark by synchroneously running a running body loaded with a working device and a clamp device for a hot material transferred with a transfer roll and preventing the hot material from coming into contact wi...
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JP3314860B2 |
To evade the breaking of sheet caused by concentration of interstand tension to a joined part by reducing thickness reducing action of the cut surface at the time of cutting with a rotary drum type crop shear. At the time of cutting the ...
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JP3316436B2 |
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JP3316979B2 |
According to the rolling method and the apparatus to be used for its execution of the invention, by rolling a tube to be rolled by using four rolls possessing roll grooves for forming a caliber in a shape of having a relief portion, cold...
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JP2002224705A |
To provide a rolling equipment line for rod materials enabling joint strength enough to advantageously realize endless rolling for rod materials with lower cost.A rolling equipment line for a rod material is arranged with, in a sequence ...
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JP2002224910A |
To provide a shearing machine which enables smooth movement of a blade even when a rake angle is formed at the blade while shearing.A pair of a first and a second housings 3, 4 are uprightly provided, spaced along a width direction of a ...
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JP2002224706A |
To provide a rolling equipment line for rod materials enabling joint strength enough to advantageously realize endless rolling for a rod material with lower cost.A rolling equipment line for a rod material is arranged with, in a sequence...
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JP2002219501A |
To provide a manufacturing method of a hot steel strip and its manufacturing facilities capable of manufacturing rolled material of a very thin sheet while considerably reducing overall cost by shortening the length of a hot steel strip ...
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JP2002219589A |
To provide a laser beam welding device capable of shortening a welding time, and improving the shape of a welding joint even if the thicknesses of two welding members to be welded are different.A induction heating head 9c for induction-h...
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JP3310255B2 |
To enable using finishing blocks on the upstream side for rolling of different products or rearranging therefor while continuously using a drawing/ sizing mill. In a 1st operating mode, the products are rolled by passing through the fini...
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JP3310920B2 |
To extend life of a member and to improve quality of a sheet bar by respectively arranging heat-sensitive insulation bodies on faces facing with a sheet bar in an upper comb-tooth shaped part and a lower comb tooth shaped part formed int...
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JP3311992B2 |
To execute the romoval of scale in a roller leveler more finely. In this scale removing device, the scale which is peeled from the surface of a material 3 to be straightened in a straightening process is removed by generating a fluid flo...
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JP3311666B2 |
To realize the stable coiling during the continuous hot rolling by switching a winding coiler from the torque control to the rotational speed control before the coiling is completed, and pressing press rolls against a coil during the win...
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JP3311285B2 |
To improve the accuracy of a marking by disposing a means for marking immediately after a means for cutting to align side ends of a strip, and marking at a directional position decided in response to a side end shearing position. A trimm...
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JP3310969B2 |
To provide equipment with a trimmer for finishing a steel strip with which the cost of equipment is reduced, cycle time is shortened and defective trimming is prevented. This equipment is provided with a movable base 20 on which a side t...
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JP3310983B2 |
A hot strip rolling mill comprises a strip front-end arresting device arranged between the finishing mill and the down-coiler, and the strip front-end arresting device holds a front-end of the strip and moves from an exit of the finishin...
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JP3311475B2 |
PURPOSE: To reduce the variation in the transmission distance of a laser beam in cutting and joining stages by transmitting the laser beam with reflection mirrors which are moved in the rolling direction while synchronizing with the spee...
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JP3311993B2 |
To remove scales in a roller reveler in a more excellent method. In a descaling apparatus, scales peeled from a surface of a work 3 to be straightened in a roller leveler straightening process are removed by generating the fluid flow in ...
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JP3310161B2 |
To provide a slab on which roll mark is not caused. The side face distance d1 of a slab from a slab corner which is moved to the surface or the back surface of a steel sheet after rolling which is decided from rolling conditions such as ...
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JP3309790B2 |
To provide a continuous billet rolling equipment which can operate regardless of the billet cutting method with a continuous casing machine(CCM). In this continuous billet rolling equipment which continuously connects preceding and follo...
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JP3309791B2 |
To provide a billet end forming equipment for obtaining end shape to suit flash-butt welding by rolling/forming the front and rear end portion of the billet before welding end and also capable of removing scale of a welding clamp portion...
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JP3307860B2 |
To provide an equipment employable with either a continuous rolling or an ordinary rolling; wherein the joint quality at the time of flash welding is secured and the yield lowering at the time of welding is prevented. This equipment is c...
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JP3306953B2 |
PURPOSE: To prevent the generation of damage when pinch rolls are forcibly revolved due to the elongation of a slab at the time of edging. CONSTITUTION: At the time of edging with a edging press 4, when the pinch rolls 6 are forcibly rev...
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JP3304982B2 |
A continuous hot rolling method comprising the steps of: cutting the tail portion of a preceding material in a steel product and the front portion of a succeeding material in the steel product to form butt faces; previously determining t...
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JP3304050B2 |
To continue good continuous rolling without separation in a joined part at the time of subsequent finish rolling by exactly cooling only the just near parts of the joined part between sheet bars in traveling. This device is for cooling t...
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JP3299354B2 |
PURPOSE: To eliminate the need of off-line measurement for a welded part by arranging a welding machine to weld steel strips to each other, a welded part drawing device to test the strength of the welded part, a drawn part removing devic...
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JP3300736B2 |
To eliminate inability of threading by preventing the falling of the tip part of a preceding rolled stock and abutting to an apron or the like. Rotary edged tools 21 whose width is larger than the max. Width of the rolled stock are respe...
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JP3298784B2 |
To stably execute the rolling without causing cutting off of a steel material from the joined part during rolling. In the method of a continuous hot-rolling after joining plural steel materials, at the time of butting, heating and joinin...
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JP3300737B2 |
To remove protuberant parts on both sides of the joined part between rolled stocks and also to prevent high-temp. chips from sticking to other equipment. Rotary edged tools 32 whose width is wider than the max. width of the rolled stock ...
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JP3297593B2 |
To improve the passing property of a plate, and to improve the accuracy of thickness of a product by unifying the temperature of a rear end of a preceding stock and the temperature of a forward end part of a succeeding stock before butt ...
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JP2002178001A |
To provide a preventing method of buckling in a width press by which the optimum pressure without causing any surface defects is applied to a press roll.In a stage 1 for storing a buckling model, the buckling model is beforehand prepared...
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JP2002517316A |
The invention relates to a method for producing metal shapes with a partially or totally polygonal cross-section by means of continuous casting in a double-flanged wheel and continuous rolling using a series of at least 3 pairs of roller...
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JP3292564B2 |
PURPOSE: To surely bring a junction to the involute side of a product coil of a continuous hot rolled steel strip and to cut and wind the hot rolled steel strip without generating a cutting accident. CONSTITUTION: A position on the downs...
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JP3292608B2 |
PURPOSE: To prevent the occurrence of breakage of a joining part due to excessive tensile force caused when the tip end of a hot rolled steel strip is wound on a coiler mandrel by determining the position of a cutting target point on the...
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JP3290616B2 |
To easily shorten the length of elongation percentage miss in temper rolling of a metal band with a welding point. A rolling load of the seam weld point is set from the line load which satisfies the formulae, 0.0035×TS-0.0325≤P1≤0.0...
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JP3285476B2 |
To be not damaged to an equipment even if joined part is broken and besides to prevent any reduction of productivity in continuous hot rolling accompanying junction between a preceding material and a succeeding material. Back end part of...
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JP3285803B2 |
To provide the band steel continuous hot rolling equipment capable of avoiding collision between an inlet side holding guide and a device adjacent at an upstream side or an outlet side holding guide and a device adjacent at a downstream ...
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JP3283388B2 |
PURPOSE: To join to tip parts in the width direction of slabs without possibility of erosion by joining the center areas in the plate width direction of the tip parts of the slabs, pressing while heating them again by an induction heatin...
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