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JP10286623 |
To easily and surely confirm the clutch-on only by attaching a simple means, by driving or stopping a motor for shaking to the normal or the reverse and the natural position with a three-positional type solenoid valve fitted to the shaki...
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JP10286615 |
To reduce defects by burning flaw and to enable cold-drawing even it is a steel tube having several tens μm thick scale. After generating cracks 3 on the scale 2a of a steel tube 2 with the scale 2a stuck, cold-drawing is executed by oi...
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JP10277646 |
To provide a welding wire straightening device that is capable of stably and suitably straightening curl of a welding wire and that is thereby capable of preventing the generation of wire deflection in welding and the lowering of welding...
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JP10263645 |
To provide a method for manufacturing shaped steel much more excellent in dimensional accuracy of products and with less surface defects. A press machine, two-high mill or universal mill 10 is arranged on the upper stream side of a break...
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JP10263704 |
To prevent generation of a product defect by assembling a working pin between a straightening pin and a tip nut and restricting a rotation of a straightening shaft and a rotation of a working shaft for slide or releasing its restriction ...
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JP10263686 |
To effectively suppress the thickness increase of a seam part by providing a frame rod to support a bearing to turnably support a reduction roll to reduce the seam part from both the outside and the inside of a tube in a displaceable man...
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JP10263644 |
To provide the manufacture of the shaped steel even more excellent in the dimensional precision of a product and with few defects on its surface. Press or two-high mill or universal mill 10 is arranged on the upstream side of a breakdown...
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JP10263643 |
To provide the manufacture of the shape steel even more excellent in the dimensional precision of a product and with few defects on its surface. By providing a dimension gage SO on the inlet side of a breakdown mill BD, by feeding forwar...
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JP10263705 |
To provide a straightening method for a wide-flange shape steel capable of simply constructing a reduction correcting control system by following the same plastic deforming history even in the case of changing the size and the kind of st...
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JP10258316 |
To provide a roller straightener for shapes with which the restrictions of a biting speed and straightening speed of a material to be straightened are not provided and, without making the a universal joint into large diameter, to enable ...
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JP10258317 |
To easily and continuously execute work for taking out a roller from a roller sleeve assembling unit and changing it without depending on manual work. A work-side roller sleeve 30 is provided with a collar part 30A, small- diameter part ...
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JP10258318 |
To miniaturize a vertical-roller supporting device and to obviate a vertical-roller moving device and angle adjusting mechanism by making the shaft of the straightening roller into both end supporting type and also connecting the vertica...
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JP10258320 |
To enable a stable and fast roll change by receiving a key slot part of a sleeve inner face and a sliding member mounted to the key slot with a guide key of a sleeve holding shaft to eliminate generation of a flaw due to contact between ...
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JP10258319 |
To remove a residual stress on a radiused part by constituting a lower horizontal roller to vertically move a roller shaft in a vertical direction and a pair of vertical rollers to move in the roller axial direction of a horizontal direc...
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JP10258312 |
To obtain the welded tube of product having high roundness in all of the tip, rear end and the middle. After bending a metallic strip 2 in the width direction and executing butt welding 7 of both end parts in the width direction in a sta...
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JP10244316 |
To prevent the reduction of the yield and to improve the working efficiency by fixing a resting stretcher on a rail, etc., at a proper position corresponding to the length of an extrusion shapes to be stretch-straightened and resting. A ...
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JP10244318 |
To improve a dimensional precision and a roundness of inner/outer diameters by mounting a prerounded part to a core bar, approaching a press die divided into a specified number and pressing the prerounded part between a core bar and a pr...
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JP2820043 |
PURPOSE: To correct the bore at the end of a steel pipe with good working efficiency and accuracy with a simple equipment by subjecting the pipe end to diametral reducing, then expanding only the diametrally reduced part in cold by as mu...
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JP10225722 |
To enable incorporating rolls in an inner stand without requiring skillfulness, without requiring force, in a short time and simply. In the inner stand for bend straightening machine in which an upper horizontal roll, side rolls and lowe...
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JP10216832 |
To provide the method for straightening the tube diameter in manufacturing the tube by welding, by which the fluctuation of the tube diameter in the longitudinal direction of the tube or the fluctuation of the tube diameter in the vicini...
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JP10216841 |
To prevent a side protruding shaped part from bending or roll scratches from generating at the end of roll by pressing with press rolls so that the protruding shaped part to a shape correcting roll side is followed to the correcting shap...
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JP10211510 |
To exactly prevent bends generated on a tubular body with existing equipment and to improve the product yield and manufacturing efficiency at the time of manufacturing a seamless tube through a sizing stage with a sizing machine such as ...
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JP10202323 |
To straighten the shape of a tube stock and to continuously apply a feeding force by engaging connecting rods of clamp pieces with cam grooves and executing the clamping and unclamping of split die clamp pieces with the rotation of cams....
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JP10202331 |
To obtain the long life of working die having high toughness and low strain by heating the die stock worked a hot die steel at the quenching temperature, throwing it into coolant to quench, drawing it up from coolant before reaching the ...
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JP10202320 |
To provide a rotor group to handle a slender member whose working for changing a rotor is made remarkably easily and safely. This device has a rotor 2 of being inserted with a iron bar 3, a rotary supporting device 4 to support this roto...
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JP10202314 |
To provide a method and a device for efficiently straightening strain of a shape directly after extrusion. This deformation straightening device is provided with a run out tables 3 arranged in the direction of extrusion of extrusion pres...
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JP10202319 |
To easily straighten the axial line of a special diameter shaft with steps of different diameter. Onto the opposite faces of a fixing straightening plate 6 and a moving straightening plate 10, straightening faces 12a for straightening a ...
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JP10200029 |
To correct a distorted lead rapidly and with high precision into a natural and correct state, by specifying a circle locus for correcting a lead as a correction circle locus, and rotating the lead plural times without twisting while the ...
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JP10197204 |
To provide a roll width measuring instrument which can quickly, accurately, and highly reliably measure the width and center position of a roll. A roll width measuring instrument is provided with cylinders 13 for measurement which can mo...
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JP2808497 |
PURPOSE: To provide an inver wire manufacturing method improved in workability, product accuracy, reliability, high strength and toughness and low linear expansion coefficient by conducting specified finishing by means of wire manufactur...
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JP2809333 |
PURPOSE: To finish change in roll interval in a short time, to make the mechanism simple and to inexpensively complete the equipment without requiring a expensive hydraulic cylinder. CONSTITUTION: Parts marked with hatching are rotated a...
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JP10192925 |
To adjust the interval between rolls which are provided on a spindle by large strokes. A fixed roll 5A is provided through a roll sleeve 6 on the spindle 2 which is rotationally driven and also a movable roll 5 and passive thread part 13...
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JP10192974 |
To make it possible to obtain high productivity by continuously producing, correct the shape of a slit coil, improve the yield and the productivity, reduce the variation of the dimension of formed product shape, and improve the quality. ...
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JP10192955 |
To correct the circularity and straightness of a long tube with high precision, to improve the working efficiency, to improve the yield of the material, and to continuously perform the annealing and straightening of a welded tube. A die ...
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JP10192977 |
To provide an efficient hot press straightening machine for steel shape having a simple structure by providing a backing positioning mechanism for positioning each backing so that top end parts of the backings are positioned on the curve...
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JP10192922 |
To allow deviation in a position between a roll shaft on a fixed bearing stand which is adjustable in pitch and screw-down location and a roll chock on a movable bearing stand. A receiving block 26 having a bearing surface 26a having a c...
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JP10192975 |
To correct the warp of width. The warp of width of a deformed cross-section bar I is corrected by pressing a die 2 having a circular cross-section shape onto the deformed shaped cross-section bar I which has a cross-section shape differe...
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JP10192978 |
To provide an efficient hot press straightening machine of a shape steel as a means to obtain an enveloping curve at a plurality of strap tips. In a hot press straightening machine of a shape steel in which strap positioning mechanisms 2...
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JP10192980 |
To prevent the deflection of a surface plate by providing a structure difficult to exert the reaction of a hydraulic jack through a frame, and to efficiently straighten the strain of a cast die by locally pressing a part where the cast d...
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JP10192976 |
To prevent generation of a surface hardened layer during the straightening in a two-roller straightening method without damaging the bending precision of a steel bar. A straightening roller load current value is limited in the range spec...
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JP10192919 |
To save manpower by mechanizing the disassembling/assembling work of a roll sleeve and straightening roll which is executed by manual work. This device is provided with a rotary cylinder 13 which is freely rotatably erected around the ve...
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JP10192979 |
To provide the method for straightening a special shaped bar by which the good quality special shaped bar are produced and the workability of press work, etc., in a post process is improved by providing a pinching tool turntable around a...
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JP10193022 |
To easily draw out a core after a female screw is formed by inserting the core on the outer circumferential surface of which a male screw is formed inside a cylindrical stock, and turning the stock while pressing a pair of form rolling r...
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JP10192973 |
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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JP2799986 |
To make roll changing easy and not to generate wear/damage by forming each rotating shaft and sleeve to taper and arranging an annular groove and wedge member in a roller straightener to straighten bend of material. A opening diameter at...
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JP10180302 |
To reduce the number of universal rolling mills and to shorten the length of rolling line and enlarging freedom of layout by stopping rolling in the rolling line on a state of flange in a shape outwardly inclined and then straightening t...
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JP10180357 |
To shorten a straightening time, and to attain more correct straightening of the edge bend of a rail with an inexpensive equipment by having the changeover of low pressure or high pressure, high speed stroke end or low speed positioning,...
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JP10180356 |
To prevent the generation of galling due to contact between the inner surface of the sleeve installed a roll and a main shaft and to rapidly and smoothly change the roll in the case of changing the roll in a roll straightening machine. I...
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JP10180303 |
To obtain higher rolling efficiency even when the number of universal rolling mills used is the same as that of a conventional universal mills and to reduce the number of passes in the universal rolling and the required time of rolling i...
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JP10175013 |
To provide a reliable device transferring and simultaneously bending a rail. The device 12 transferring the rail 3 from a roll bed 2 for feeding to a cooling bed 1 is provided, and the rail is bent with this device opposing to the bendin...
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