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JPH11319914A |
To provide a method and device for processing a crop of a hot rolled steel strip with which carrying-out interrupting trouble generated by standing upside down of the crop. In this device, at the time of processing the crop K which is cu...
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JPH11319911A |
To obtain the welded band steel plate of good shape property and wide width by holding a band steel plate butted on the same plate with a cantilever work roll having a back up roll and continuously welding the butted part while transferr...
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JPH11319907A |
To improve productivity and yield by securing the homogeneity of material in the longitudinal direction based on difference between colling starting temps. in the top part and bottom part in the longitudinal direction of a steel plate in...
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JPH11319913A |
To naturally fall a cut sheet into a bucket even when it is short in a direct drive shear which is provided on a strip process line and with which the strip is cut into a prescribed length and the cut sheet such as a weld zone and sample...
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JPH11319912A |
To obtain a welded band steel plate of good quality and wide width by continuously butting a band-like steel plate, restricting pass, spot welding butted parts to a tack welded band-like steep plate, restricting pass with a guide device ...
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JPH11319948A |
To improve the heating efficiency of an electromagnetic induction heating device by straightening an intermediate rolled stock on an inlet side of the electromagnetic induction heating device to reduce the distance between the intermedia...
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JP2981097B2 |
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JP2981089B2 |
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JP2981159B2 |
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JP2979837B2 |
PURPOSE: To execute hot joining of steel products as simply and efficiently as possible and to obtain high strength of joining. CONSTITUTION: The local parts of ≥30% of the width inclusive of both end faces of the joint parts of the ho...
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JP2979899B2 |
PURPOSE: To attain a sound joint part with high joining strength by preventing a joined surface from reoxidation by reducing flame. CONSTITUTION: The joint part 5 of the steels 1 and 2, is heated by a direct energizing method, a high fre...
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JP2978041B2 |
PURPOSE: To stably heat and join slabs by installing plural units of inductors for generating magnetic fields for heating slab ends in a width direction and unifying the phases of the currents to be impressed to the respective inductors....
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JP2978032B2 |
PURPOSE: To stably attain right and left uniform joining by melting in a short time by mutually butting the end parts of a preceding and succeeding slabs only in both end parts in width, impressing alternating field in the center gap par...
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JP2977412B2 |
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JP2975147B2 |
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JP2975053B2 |
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JPH11309501A |
To surely diminish a shortage in the width of a slab at the forward end part and rear end part after rolling by improving the setting accuracy of a rolling reduction width which determines the width and the length in the wide width regio...
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JP2971711B2 |
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JPH11300405A |
To obtain a spurios constant-speed edging device with which a slab is edged and continuous transportation at approximately constant speed is enabled. Two sets of die driving devices 10 which are worked symmetrically to a stab 1 are provi...
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JPH11300401A |
To prevent the increase of the cost of equipment by properly guiding intermediate wire rods after dividing without making the driving shafts of slitting rollers and their supporting frames larger. This multi-bar slitting/rolling device 1...
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JPH11290914A |
To contrive the stabilization of shape and increase of strength in a joined part by fixing a preceding material and succeeding material in the position where butting the rear end of the preceding material against the tip of the succeedin...
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JPH11290931A |
To make heating electric power constant and to uniformly heat strip edges to desired temp. by controlling a C-type heating inductor voltage so as to become the heating power in accordance with thickness, line speed and kind of steel pres...
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JPH11290915A |
To execute accurate tracking of a strip and to make the joined point cuttable by comparing the strip speed which is determined from the circumferential speed of a rolling roll of a finishing mill with the speed on the outlet side of the ...
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JPH11290913A |
To provide a pad changing device of continuous rolling equipment for efficiently changing the pads of a joining device. In a handling device of the pad 11 of the continuous rolling equipment with which the pads 11 are detached from a sup...
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JPH11285876A |
To miniaturize equipment which is provided in a rolling line or the like and which cuts/welds the abutting end of a steel strip and to reduce the operation time as well as improving the welding quality. A preceding and succeeding steel s...
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JPH11285725A |
To provide a method by which even a deep in a plate in a wedge shape like red scale can be removed over a whole plate regardless of a chemical composition, and without using extra high-pressure water. A descaling method by injecting high...
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JP2965809B2 |
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JPH11281345A |
To continuously grasp the shape of a metal strip by arranging a plurality of noncontact distance meters for measuring the distances from specified parts of the metal strip surface along the width of a strip at specified position in a con...
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JPH11281602A |
To improve the detection precision of a torn and worn part in the junction part of a strip material in hot continuous rolling. In hot continuous rolling for performing continuous finish rolling, a tail end 10b of an preceding strip meter...
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JPH11277247A |
To make it possible to prevent the tear and rewelding of a weld zone by planishing rolls by locating a draft start position on the inner side of the edge part of a strip and removing the edge part not subjected to the draft by a clip cut...
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JP2962188B2 |
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JPH11277101A |
To improve yield by enabling the remarkable reduction in the amount of width drop in the tip part and/or the tail end of a hot slab. In this method, the preform of the tip is executed by edging the tip of the slab 2 using the inlet-side ...
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JP2962155B2 |
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JPH11267713A |
To provide a method for trimming free from burrs and a masher roll equipment suitable for this method by which a strip sheet different in kind of steel, thickness or others is surely cut off from burrs and does not generate uneven shapes...
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JPH11267712A |
To improve velocity follow-up accuracy of follow-up traveling of a welding truck to a traveling preceding sheet and to evade fluctuation of tensile strength of a sheet after the sheet is held on the welding truck. In a traveling controll...
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JPH11254226A |
To easily prevent the incapability of trim chopping due to twisting of trim chips and trim chips jamming even for thin steel strips. Trim chips pass through a guide 7b on the side of a chopper and are continuously chopped by a chopper 12...
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JPH11254006A |
To make a highly accurate cutting plan with respect to the steel which is rolled with a rolling mill without increasing the load on a process control computer. Measuring sensors 10, 16 for measuring the length of the steel which is outpu...
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JP2951411B2 |
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JPH11244924A |
To provide a shape steel rolling system which reduces a crop as much as possible, improves yield and moreover has excellent producing efficiency. An odd size material cooling floor 11 for separately storing only semiprocessed products 4 ...
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JP2947612B2 |
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JP2942458B2 |
A conductor for use in a flat cable includes thereon a tin or tin alloy plating the thickness of which is substantially uniform over the whole periphery of a flat conductor, in order to provide a conductor for use in a flat cable which c...
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JPH11226633A |
To enable continuously manufacturing a forge welded steel tube through upset joining even when upward cambered coils and downward cambered coils are supplied in no particular order by clamping a steel sheet to face plates and turning eac...
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JPH11226762A |
To provide a method for deciding welding speed and weaving width of a steel plate for the purpose of obtaining required and sufficient melting depth and width, in the laser welding of a steel plate. The abutting angle θ of an end shape ...
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JP2938689B2 |
PURPOSE: To satisfactorily join billets by arranging the magnetic pole of the alternating field for impressing the butting regions of steel sheets so as to restrain the deviation between the middle part of the length of a bi-directional ...
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JPH11221602A |
To shorten standstill time of a line by rapidly removing a defective slab which brings an evil from on the line at the time of executing continuous hot rolling of the slab. In this equipment train which is provided with a coiling/uncoili...
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JP2933923B1 |
A finishing mill (30) included in a hot rolling mill system has a front stage (31) and a back stage (32). The front stage (31) is provided with two or more CVC rolling mills (31A, 31B) and the back stage (32) is provided with two or more...
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JP2934542B2 |
PURPOSE: To perform rolling under high rolling reduction by rolling them while filling many recessed parts formed on a material to be rolled with lubricating fluid. CONSTITUTION: Many nearly rhomboidal recessed parts with a continuous ri...
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JPH11197707A |
To correct a tip part of steel plates having various thickness into an appropriate shape by regulating the spray pressure of high-pressure spray water to be spray on the tip part of the steel plate according to the thickness of a hot-rol...
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JP2922048B2 |
PURPOSE:To prevent the generation of the irregular heating, to uniformize the temperature distribution in the lateral direction of the steel strip and to reduce the breaking of the welded part at the time of executing induction heating t...
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JP2921121B2 |
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