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JP3855853B2 |
To provide a flat tube wherein leakage hardly occurs by securing pressure resistant strength, its roll-forming method, and a device in the flat tube provided with a reinforced part having a folded-back projected part in the center. A hor...
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JP3856094B2 |
To provide an apparatus and method for imparting compression capable of removing a residual stress by imparting compression without causing buckling against an easy buckling direction of a workpiece. A connecting portion 5 composed of a ...
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JP2006326607A |
To provide a forming device which does not take long time in repairing a sheet metal portion required to be repaired.In the forming device, a main surface of a metal sheet is shot with shots which are energy-controlled by the air jet, an...
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JP3854521B2 |
To provide a straightening method of a metallic sheet by a roll straightening machine by which the damage of equipment by an excessive shaft torque caused by the difference between loads received with work rolls in the roll straightening...
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JP3854197B2 |
To provide a perimeter correcting method which can reduce a variation in the perimeter after the correction. This perimeter correcting method includes a first step of correcting the perimeter of a first group of rings based on an initial...
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JP2006320947A |
To perform sufficient removal of distortion caused by heat treatment of a work.An elastic member 13 such as a hard rubber is installed on a surface of a projected part 11 of a fixed die 3 and the work W is set so as to cover the elastic ...
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JP2006315009A |
To provide a method for restoring the shape of a steel sheet in repairing the steel sheet for an outer panel of an automobile, which method can minimized the thermal effect on a peripheral zone by locally heating a repairing portion only...
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JP2006315039A |
To provide an apparatus for correcting a metallic member, which apparatus can simply, quickly, and accurately correct a damaged metallic member without being affected by a place and experience not only for an object made of a traditional...
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JP3839753B2 |
To provide a steel plate capable of forecasting a deformation amount caused by residual stress or the like of the steel plate after cutting when customers cut the steel plate with laser or gas capable of managing the transformation volum...
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JP2006289414A |
To provide an apparatus for correcting the shape of a workpiece, which apparatus can correct a workpiece even having curved portions.The apparatus 1 is used to correct the shape of the workpiece 2 made of metal, and comprises a male die ...
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JP2006273611A |
To provide a ceramic masher roll in which the surface being in contact with a metallic band is formed of silicon nitride ceramicsis to excellently suppress the occurrence of seizure.The ceramic masher roll is used for flattening the flas...
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JP3830894B2 |
An apparatus for correcting the circumferential length of a metal ring has a drive roller 2 and a driven roller 3 positionable closely to each other for training a metal ring W therearound, and a correcting roller 4 disposed between the ...
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JP3833069B2 |
To provide a welding method and a welding equipment for realizing low residual stress in which the thermal efficiency and the mechanical efficiency necessary for converting the tensile residual stress in the surface of a weld part into t...
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JP3829299B2 |
To provide an apparatus for adjusting straightening blocks, which is small and has the small number of components, using taper cams in a press die for straightening the warp of a punched lead frame by residual stress generated on a bar s...
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JP2006255766A |
To provide a finishing device for a decorative metal plate which eliminates dust and so on from the surface of the decorative metal plate, prevents dust and so on from adhering to the surface of the decorative metal plate and prevents th...
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JP2006257528A |
To provide a method for manufacturing a thin sheet of pure molybdenum or a molybdenum alloy, which hardly causes a crack even when deep-drawn, is inexpensive, and is easily supplied.The method for manufacturing the thin sheet of pure mol...
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JP2006255712A |
To provide a roller leveler which is a roller leveler with which straightening from a thin sheet to a thick plate is possible and which does not require inversion of upper work rollers or lower work rollers in the manipulation of operati...
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JP2006247721A |
To provide a straightening method of a metallic sheet using rolls having uneven cross-sectional shape for pinching a metallic sheet using the rolls for pinching the metallic sheet with which the occurrence of passing-through troubles suc...
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JP2006247717A |
To suppress tension propagation to a section of the poststage by changing the torque of a bridle roll on the outlet side of a roller leveler by rapid response.When controlling tension applied to a material (10) to be straightened the sha...
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JP3823794B2 |
To provide a sheet shape control device and a manufacturing method for a plated sheet, capable of stably, accurately controlling the shape of a sheet even under a narrow and high temperature environment. This sheet shape control device i...
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JP2006239751A |
To provide a bridle apparatus which is installed on a line for straightening the shape of a metallic strip with a skin pass mill or a tension leveler and with which tension is imparted to the metallic strip which is in threading and whic...
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JP3816302B2 |
To sharply reduce a repairing cost by restoring a recessed part to an original state without performing point welding on a rod even in the case of severe damage and eliminating puttying work and grinding finish work. The periphery of a r...
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JP2006205173A |
To provide a magnesium-based material processed product which can be produced with good productivity without variation in quality and its production method.The production method of the magnesium-based material processed product includes ...
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JP3803080B2 |
To provide a portable peening device (a sheet metal repairing device) which can be miniaturized when peening a metal sheet, in particular, when repairing a sheet metal, and to provide a peening method (a sheet metal repairing method) usi...
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JP2006175480A |
To improve the geometrical accuracy of a metallic formed product by reducing the spring-back after a press correction work.A radius R2 of curvature at the corner portion 31 in the convex die 25 of a correction press die corresponding to ...
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JP3791454B2 |
To provide a method and a device for manufacturing a thick steel plate by which the generation of defects in shape such as bar-cutting strain without inhibiting productivity by adjusting thermal stress so as to be uniformize residual str...
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JP3788323B2 |
To propose a hot-rolling line and a hot-rolling method for manufacturing high-strength products having few rubbed marks caused by a leveler. In the hot-rolling line, a finishing mill, a leveler, and cooling equipment are arranged in this...
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JP3785273B2 |
To set roller position where sufficient straightening effect is obtained instantaneously to an arbitrary material to be straightened by setting and predicting the optimum roller position and straightening reaction-force to a different ar...
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JP3782853B2 |
To provide a method for manufacturing a metal plate with a large number of holes therein in which no warp is left or warp is extremely small if any after the plate is punched by a punch press. A small groove 3 in which a joint part 4 of ...
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JP2006130559A |
To provide a repairing method of a sheet metal and a pulling-out member used for it, wherein when restoring a dent part generated on a metallic sheet consisting of iron, steel or an aluminum alloy such as a vehicle body, not only the pul...
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JP2006122963A |
To provide a straightening apparatus with which uniform force is applied to a material and a material supplying apparatus with a straightening mechanism each for use in the press working line of a coil material which is wide in the mater...
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JP2006122975A |
To provide a tension leveler with which the width of a metallic sheet is efficiently controlled and a controlling method of the width of the metallic sheet by which yield is improved by reducing a trimming allowance by controlling so as ...
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JP3774811B2 |
To provide a coil strip supply arrangement which can stably supply coil strips when the width of coil shape is relatively wide and the plate is extremely thin as the speed of the press increases recently. The coil strip supply arrangemen...
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JP2006110623A |
To provide a straightening method of distortion for performing a work for straightening the distortion of a chassis for a plasma television quickly, surely and efficiently.In the distortion straightening method of the chassis having a co...
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JP3768868B2 |
To provide a repairing tool for an automobile body with which a dent in the body can be repaired while avoiding an interferce with an object such as an inner member in the body. In the repairing tool 10 for an automobile body, the rigidi...
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JP3758147B2 |
To provide a progressive press-working method which reduces manufacturing cost by removing strength decline of a processed part accompanying shearing and by getting rid of flatness decrease brought about by press-working. A product is ma...
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JP2006061984A |
To solve such a problem that a material straightened with a conventional tension leveler has large residual stress, resulting in difficulty of working such as cutting and printing, since the residual stress is caused by the bending of th...
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JP3752283B2 |
To execute deburring and chamfering of the hole periphery of a work punched with a press apparatus, etc., in one time of working by installing a lacked part of larger internal shape than the external shape of a punch on the face of a die...
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JP2006016091A |
To easily repair bending damages by one worker without detaching a door panel of an elevator.An elevator door panel repairing device comprises a device body 10, a pressing means 20 to be fixed to the device body 10, a supporting and fixi...
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JP3737349B2 |
To easily repair a dent of a body even by an unexperienced operator by preventing a push flaw of a painting film of a body inside surface by properly absorbing push-out force by an elestic body, preventing separation of the painting film...
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JP3736676B2 |
To provide a continuous working device capable of reconciling the working at a high speed and the height of freedom of a product shape. In the continuous working device provided with a power source, a material feeding mechanism for carry...
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JP2006009815A |
To provide an easily assemblable and repairable backup roll unit.In this backup roll unit, two backup roll bearings 3 are assembled to an arbor 2 supported at its center portion by a saddle 4 on both sides of the saddle 4. The backup rol...
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JP2006000866A |
To provide a straightening method of a thick steel plate with scale by which defects in shape in the flatness or the like of the thick steel plate with the scale can be straightened without peeling off the scale stuck to the surface of t...
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JP3726146B2 |
To set an optimum crowning corresponding to a plate thickness (reaction force) in straightening, to cope with a local change of a frame deflection in a plate biting in process and to prevent a load concentration to a back up roll corresp...
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JP3722936B2 |
To surely correct strain regardlessly of the thickness of a material to be corrected by extending one end of a rotating shaft in the axial direction and making a part of plural drive rollers movable to a retreated position not facing plu...
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JP3719667B2 |
To provide an aluminum alloy sheet for wheels which is used for the wheels of vehicles such as an automobile, a buggy and a motorcycle, realizes reduction in its wall thickness, is equipped with required strength and excellent in formabi...
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JP2005324232A |
To provide a pulling-out tool which is effective in a dent on a thick sheet metal and a largish dent and also excellent in operability.An operating arm 1 having a contacting part 2 which is brought into contact with a sheet metal A in on...
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JP2005313212A |
To provide a method for correcting a camber of a long steel material and a mini-leveller facility provided with an apparatus therefor.A slit material is measured to its camber amount with a measuring instrument at the plurality of positi...
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JP3715428B2 |
To continuously correct and measure the peripheral length of a metallic belt, to facilitate the control, and to improve the production efficiency. The loads of weights 70a, 70b are applied to a metallic belt 100, and the displacement of ...
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JP2005288510A |
To provide an optimization method for reducing residual stress and residual moment in a multipass straightening with a roller leveler.The n-th pass straightening is beforehand performed by predicting the residual moment distribution M(n-...
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