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JP3709108B2 |
To produce a steel sheet in which deformation or variation in the working in welding or curved face working is reduced as far as possible, and the subsequent care is made needless and to provide a useful method for producing the same ste...
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JP2005279717A |
To provide a welding gun with which anyone can easily fit a washer to a sheet metal made of steel using a condenser type welder, to provide stud welding equipment, and to provide a method for repairing a sheet metal using the same.The we...
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JP2005279700A |
To provide a straightening apparatus of the shape of the nose part of a hot-rolled material with which the shape of the nose part of the hot-rolled material from thick one to thin one which is to be conveyed to the next equipment after h...
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JP2005271007A |
To provide a shape straightening device capable of easily and individually adjusting the distance between upper and lower straightening rolls on the DR side and the OP side.The distance between a first frame 52 to support an upper straig...
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JP2005270983A |
To provide a method for manufacturing a metallic/steel strip, in which foreign matters on the surface of a thin metallic strip can be removed while suppressing damage of the surface of a roll for removing the foreign matters even in the ...
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JP2005262273A |
To provide a method for obtaining a differential thickness steel plate superior in flatness by means of a controlled cooling.When the differential thickness steel plate, whose thickness is different in a longitudinal direction, is hot ro...
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JP2005262233A |
To provide a zero-adjustment method of a roller leveler having a hydraulic rolling-down device capable of easily performing the zero-adjustment work with excellent accuracy and in a short period of time.A servo valve bypass circuit capab...
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JP2005254268A |
To surely correct transverse warpage of a steel plate under a heavy load without requiring a large-scale equipment.A transverse warpage correcting machine is provided with a pair of roll frames 4, 6, which freely rotatably hold a plurali...
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JP2005246459A |
To provide a method for suppressing the temperature rise of a roll bearing in an in-line straightening apparatus.In the method for suppressing the temperature rise of the roll bearingin the in-line straightening apparatus, the roll is co...
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JP2005240117A |
To perform a meandering control capable of objectively appreciating a meandering correction capability and surely realizing the appropriate meandering correction capability on the basis of a clear design manual, and having an excellent r...
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JP2005219098A |
To effectively correct the influence by the deflection of a work roll which is generated when straightening a shape by imparting a high elongation percentage without generating a C-camber and to straighten the shape without generating an...
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JP2005219099A |
To effectively correct the influence by the deflection of a work roll which is generated when straightening a shape by imparting a high elongation percentage without generating a C-camber and to straighten the shape without generating an...
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JP3677484B2 |
To constitute a stretcher so that large stretching force is producible and transportation is easy in a plate stretcher. Lamellar plates (3, 4) are divided horizontally to the stretching plane (2) and the clamping mouth (5) of a clamping ...
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JP3675707B2 |
To provide a roll for a straightening machine for a rolled steel plate excellent in corrosion resistance, and wear and abrasion resistance, having a stable surface hardness. The roll 1 for the straightening machine for the rolled steel p...
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JP3674746B2 |
To make grooves caused by wear hard to form on the mating roll of contact in a roll for rolling mills. As for the crowning parts 10, 11 which are formed at the shaft ends of the main body 2 of the roll, the length in the axial direction ...
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JP2005186111A |
To provide a line and a method of manufacturing a steel plate by which the temperature inhomogeneity of a thick steel plate, in particular the temperature inhomogeneity in the width direction, is reduced and the steel plate having good f...
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JP3671609B2 |
To prevent a rough bar from colliding against a heating device and to enhance heating efficiency. This rolling equipment train is provide with a roughing mill 1 for making a slab into the rough bar 2 by executing rough rolling and finish...
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JP3670066B2 |
To provide a frame louver forming method by which the warp of a frame louver can be prevented in simple operation in the formation of the frame louver from a metal thin plate wound in a coil-like form. A metal plate wound in a coil-like ...
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JP3648040B2 |
To provide a setting method of a roll position of a roller leveler so as to reduce the influence resulting from variance of a zero point of a roll position of a roller leveler. As for some inlet side roll press quantity Sin, the relation...
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JP3644930B2 |
To provide a holder for melt-installing a washer, the holder that enables melt-installation of washers regardless of the weld trace and that facilitates increase in the number of times of reusing washers as well as improvement in electri...
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JP3646688B2 |
To provide a hydraulic molding method of suspension members for cars which has no protrusion on the edge of the flange and has a good appearance quality of relatively smooth outline. A suspension member 1 is formed by swelling a laminate...
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JP3643981B2 |
A method for repairing a sheet metal (14) of a car body (10), which comprises the steps of removing a damaged part, bending a portion near the end part of a repair member (22) with a sheet-metal repair tool, and bonding the portion near ...
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JP3638482B2 |
To provide a peripheral length correction method capable of easily and reliably correcting the peripheral length of a metal ring to a desired value and improving a yield. A metal ring W is hung over a drive roller 2, a driven roller 3 an...
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JP2005088679A |
To provide a wheel correcting instrument capable of easily performing a wheel repairing work and further performing a smooth wheel repairing work.A main shaft 320 of a wheel correcting working table 301 extends out of a base member 310 a...
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JP2005074480A |
To provide a production facility for hot-rolled steel plate of a high strength steel having little unevenness of mechanical testing characteristics in the length direction and the width direction, e.g. even in the case of being such comp...
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JP3632238B2 |
PURPOSE: To decrease dispersion of width dimensions of an expanded grids and stabilize quality by forming a lead alloy sheet with a roller whose diameter is reduced stepwise or gradually from around the center toward outside width direct...
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JP3632701B2 |
To provide a liquid ejection head in which distortion can be corrected or prevented when a pressure generating chamber forming plate is formed with high accuracy by forging, and to provide a manufacturing process therefor. The liquid eje...
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JP2005066469A |
To provide a roll cleaning utensil which can simply and surely remove adherent materials adhered to peripheral surfaces of upper and lower rotary rolls.The planar roll cleaning utensil 30 is constituted by providing latching holes 34 for...
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JP2005052860A |
To provide a roller leveller which can suppress not only the occurrence of the shape defects of a large-sized plate but also the occurrence of the bar cutting camber and the bar cutting warpage when a cutting work such as bar cutting is ...
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JP3621915B2 |
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JP3621108B2 |
PCT No. PCT/SE95/00563 Sec. 371 Date Nov. 20, 1996 Sec. 102(e) Date Nov. 20, 1996 PCT Filed May 18, 1995 PCT Pub. No. WO95/32404 PCT Pub. Date Nov. 30, 1995A method of repairing a vehicle chassis and/or vehicle bodywork which requires th...
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JP2005028422A |
To provide a sequential forming method comprising an annealing step which has an easily exchangeable receiving tool of a simple structure, properly used adaptable to the required accuracy, and selectively performed, and an article formed...
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JP2005502530A |
The invention relates to a process for producing a structural element, having at least one cavity-forming half-shell, comprising at least two lips which together form at least one flange, and is distinguished by the fact that at least th...
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JP2005000958A |
To provide the manufacturing method of a metallic plate such as a copper alloy plate for a lead frame that can reduce both warp and a residual stress after straightening and also to provide a straightening device used therefor.This strai...
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JP3604038B2 |
PURPOSE: To obtain a device for shaping thin-wall components by moving a part of the components to be shaped to a fixed limit position by motor actuation by a pulling device. CONSTITUTION: When an operational element 8 comes to a positio...
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JP2004351484A |
To provide a method and equipment for producing hot-rolled steel strips, which suppress a warpage to be generated at an end of a rough bar in rough-rolling and properly straighten the bar to send it to a finish-rolling process.The method...
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JP2004351496A |
To provide a method and a device for straightening or forming a metallic material of wire or bars, in which a product with a predetermined warpage is stably obtained by keeping constant a load given to the metallic material, and which ar...
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JP2004351519A |
To provide an electric hammer with which high efficiency in a panel forming work in conventional sheet metal work can be obtained by integrating a drawing work of the panel performed in a separate step heretofore with a forming ability r...
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JP3596484B2 |
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JP2004330239A |
To considerably reduce the cost by using a tool to repair dent of a body without damaging a coated surface of the automobile body.A suction cup (1) integrated with a handle (2) is set to a dent of an automobile body, the suction cup is e...
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JP3592988B2 |
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JP3590288B2 |
To conduct leveling having high flatness and not causing camber after etching by conducting straightening at a tension leveler so that the load intensity is a specified ratio or more of the yield stress or the proof stress of a strip and...
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JP2004291009A |
To provide a platy product after press-working in which absorption of stress and restraint of warping are attained by forming punching holes or recessed part on a metallic plate after press-working.This platy product after press-working ...
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JP3578139B2 |
To provide an inexpensive device for controlling the shape of metal strips which can adapt to meandering or width change of the metal strips. The device is equipped with first and second electromagnetic devices 5 positioned at two sites,...
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JP2004269930A |
To provide a method for manufacturing a hot dip metal coated steel sheet capable of stably and rapidly cooling a steel sheet by suppressing the vibration of the steel sheet or straightening a C camber or performing both thereof at the ti...
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JP2004529772A |
The invention relates to a method for specifically adjusting the surface structure of rolling stock ( 3 ) during cold rolling in skin pass mills. The aim of the invention is to partially transfer the surface structure of the working roll...
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JP2004261846A |
To provide a manufacturing method of an aluminum wheel for improving the acceptance rate of an aluminum wheel.This method is a manufacturing method of the aluminum wheel 1 which has a casting stage, heat treating stage, machining stage a...
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JP3569006B2 |
In a process for shaping the end of a tube (2) with an oblong cross-section to a circular cross-section the shaping occurs in a single radial compression stage from the exterior. The tube (2) is disposed with its shortest axis in corresp...
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JP2004249357A |
To provide a slit steel strip and a method for manufacturing it, which can prevent the occurrence of a defective shape although the slit steel strip is subjected to a leveling process.A correlation is determined in advance among a thickn...
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JP2004249346A |
To provide a straightening machine capable of easily correcting its strain without damaging a strip.The strip B having strain passes through a first correcting portion 20 and a second correcting portion 22, in which large diameter portio...
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