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JP09295066 |
To shorten bending time at one step and many steps only by feeding a straight wire rod by advancing/retreating a bend-pushing body from plural directions to the center direction to the straight wire rod. A coil material W1 is straightene...
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JP09295048 |
To obtain a product without developing the bending in a roller straightening after cooling by setting a product temp. at the outlet side based on the thickness of a shape steel charged in a cooling bed, comparing with the actual temp. of...
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JP09295065 |
To shorten bending time at one step and many steps only by feeding a straight wire rod, by reciprocating a bend-pushing body from plural directions to the center direction to the straight wire rod. A coil material W1 is straightened thro...
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JP09285821 |
To correct the displacement of seam lines by supporting a tube end at two positions of separating to both side of the tube circumferential direction from a tube end seam from tube inside or outside face with a correcting head providing a...
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JP09285820 |
To efficiently straighten a defective squareness and an umbrella-shaped bent with enough straightening capacity. This device has total four sets of lift-up units 8 composed by making mutual corresponding parts to each end part of upper a...
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JP09285801 |
To provide a method and the equipment for manufacturing efficiently and at a low cost austenitic hot rolled stainless steel shapes (especially thin shapes with a thickness of 3 to 5mm). (1) A stainless steel strip is heated to 1000°C or...
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JP09277047 |
Not to generate wire runout to a welding wire and to constantly send out in the wire a fixed direction by imparting the propensity of fixed curvature with coiling to a coiling roller after a welding wire is straightened. After a welding ...
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JP2709785 |
PURPOSE: To perform a sufficient straightening of bends regardless of the initial bent quantity of base stock for shaft or the like. CONSTITUTION: Reference is made to the case where bends are straightened by pressing a base stock W for ...
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JP09271847 |
To provide a method where a polygon and closed state tube in viewing a cross-section crossing by a right angle to a feeding direction of a band bar is produced continuously and the obtained tube is made precisely without being brittle ca...
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JP09271872 |
To reduce inclination defect of flat part while flattening ruggedness defect in forming the corrugated fin. A brake device 7, which contracts a fin material 1a so as to bring adjoining bent parts 1b into contact each other, is arranged a...
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JP09271875 |
To provide an automatic straightening device of coiling propensity generated to a wire capable of successively straightening coiling propensity at coiling out a wire annularly coiled/accommodated in a wire source and feeding a wire const...
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JP09267130 |
To effectively prevent the disorder of the tip part shape of a web material by drawing down both end faces of the web material while leveling the web material by rolls, and forming both end faces to dog bone shapes. By drawing down both ...
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JP09267131 |
To obtain a curvature deformation whose erection strength and radius of curvature are large by performing deformation working, making it correspond to the corrugated shapes of other parts, to the bending part of a side wall to a trough l...
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JP2705560 |
PURPOSE: To rationalize the correction of the distortion (roundness) in an insert hole, etc., of a special shaped pipe. CONSTITUTION: A rotary shaft 2, fixed crossing perpendicular to a hydraulic jack 1 provided with pressing surfaces 11...
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JP2704364 |
PURPOSE: To increase the thickness of a rod material without causing bending in the rod material. CONSTITUTION: In this method by which a heating part 5 is formed by locally heating the rod material 1 to be increased in the thickness by ...
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JP2701009 |
PURPOSE: To form a correcting device for a curved tube with a urethane bar, to correct the deformation of the cross section of the curved tube through the use of its bending performance and rigidity, and also to improve the connecting pe...
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JP09253750 |
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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JP09248625 |
To improve productivity and to rationalize personnel arrangement by holding a rail between the top face of the head and the rear face of the leg in the direction of the symmetry axis of the rail cross-section, pressing to impart a bendin...
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JP09248606 |
To provide a method for applying metal base thermal spraying coating free from a pore with a harmful size. This is a coating method to form a fine coating by performing the thermal spraying of a metal base thermal spraying material on th...
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JP09248628 |
To improve positional precision of a roller by emitting and receiving a beam on the passing line of a bar stock as a reference for setting a roller, positioning plural rollers on the basis of the beam, and thereby effectively aligning pl...
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JP09248627 |
To repeatedly bend a bar stock even in a horizontal plane with a simple structure, to cope with various dimensional change of the bar stock, and to provide excellent correction accuracy and quality. Correction rollers 2, 3 are fitted to ...
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JP09248629 |
To obtain an efficient and highly precise method for detecting correction quantity by calculating a distance from a target line at each correcting point, determining anabolic a correcting quantity at each correcting point from a relation...
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JP09248626 |
To efficiently recombine rollers for a straightening machine by setting a relative positional relation of plural trucks each going round a transporting passage. A third transporting truck 12 is situated on a shift truck 9 while a second ...
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JP09239443 |
To reduce the total using number of straightening roller by installing an elastic force regulating means capable of being beformed with the pressing force of shapes on the external circumference part of the straightening roller, and stra...
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JP09239438 |
To produce an oval tube without defects such as scratch caused by the roll gap by a roll forming method. At the time of forming a round tube 3 to an oval tube 4, at least, more than one set of a pair of upper and lower forming rolls 8 ha...
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JP09234515 |
To execute a zero adjustment in high precision and excellently in workability by moving at least one roller among plural rollers arranged in zigzag in both sides of a pass line for a steel to a position mirror-symmetrical to the other ro...
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JP09234509 |
To prevent the waving state. etc., by extruding an Al alloy shapes having much alloy element content and cooling in a specific condition in order with an initial table, runout table and stretcher device to give a tension strain. The extr...
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JP09234514 |
To prevent the downward bending of a billet at the time of laying the billet to a short supporting table by laying the forcedly cooled billet on specific shaped skids, warping upward both ends of the billet by gravity and plastically def...
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JP09234516 |
To prevent the collision of the to part of a straightened material to a straightening roller at the uppermost side and to obtain a good bitability by moving a side guide and a vertical roller in a warp straightening machine matching up t...
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JP09225532 |
To simply correct the deformed shape of a slot by advancing a pressing rod of a special purpose part with a pressing cylinder unit of a general purpose part, spreading a spreading blade in the radial direction and correcting the deformed...
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JP09220615 |
To prevent bending of an extrusion-formed product when it is cooled while receiving a tension force by allowing the formed product to natural cool while claming the extrusion-formed product and applying the tension force under control of...
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JP09216010 |
To improve the dimensional accuracy of rolled shapes by respectively providing sizers on the inlet side of an intermediate universal mill, the outlet side of an intermediate edger mill and the outlet side of a restraining guide device an...
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JP09206835 |
To simplify the preparation work in order to straighten bent of a work shaft part and to detect the straightening condition of the work after straightening by a simple means in order to prevent the work made in the defective straightenin...
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JP09206834 |
To restrain a slip between rolls and stock to a minimum by providing another driving unit besides a main roll driving unit on the output shaft of a differential gear connected to driving systems of A group and B group in a drum type roll...
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JP09206841 |
To correctly form the shape of bending by providing a tubular stock with an external force in the direction opposite to the direction of providing the external force and compulsively forcing a bent tube to be a straight tube shape. A ben...
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JP2681249 |
PURPOSE: To improve the roundness after shaping, to shorten the time required for process and to excellently make a bias of the process capability index. CONSTITUTION: This is the method to shape in order to improve the roundness by redu...
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JP2679554 |
PURPOSE: To prevent an indentation from being caused on the surface of a steel strip making up a panel when welding distortion is corrected. CONSTITUTION: This is a welding distortion removing machine composed of a pair of upper rollers ...
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JP2679553 |
PURPOSE: To perform continuous pressing by always making a tangential direction to the upper surface equal to a tangential direction of a vertical rib in a member to be pressed in an upper/lower roller press in stress relieving of a stru...
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JP09199650 |
To provide a method for manufacturing a lead material for semiconductor with small internal residue stress and improved etching processability. A metal line material after finishing temper rolling is passed between two work roll surfaces...
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JP2676447 |
PURPOSE: To provide a means for straightening a nose bend generated in rolling accurately on line. CONSTITUTION: Guide roller stands 3 having four circular arc rolls 1-2 on the same circumference are arranged in parallel on the outlet si...
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JP2673651 |
PURPOSE: To precisely finish the end part of a pipe by expanding the end part of the pipe a little larger than the original diameter and the outer diameter of the expanded pipe part and the roundness of the outer peripheral surface by on...
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JP09182924 |
To simply and stably straighten the bending of a pipe stock after UO pipe manufacturing process without using any lubricant in a mechanical expanding process. A mechanical expanding process, which expands the pipe stock 2 after UO pipe m...
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JP09182916 |
To efficiently straighten a large bend and edge bend by pressing the outer face of flange and inner face of another flange of the steel sheet pile. Because the outer face 13 of one side flange 12 of the U-shaped steel sheet pile 10 in pr...
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JP09174160 |
To straighten warp or twist on a thin wall part of a deformed cross- section metal bar. Requlating screws 14c to 14f (and 15c to 15f) are screwed on a ceiling plate and a bottom plate of a body 12. Among these every two, one rollers is a...
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JP09174159 |
To produce a steel shape in excellent in dimension/shape for a bend of end part, bend in longitudinal direction, inclination of flange and variation in web height. A restricting guide device 3 for material to be rolled is arranged at the...
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JP09164426 |
To efficiently form grooves in an inner surface of a metallic tube by providing a spherical member on a rear part of a drawing plug, bringing a buckled part of the metallic tube into contact with the spherical member to shape the metalli...
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JP09155486 |
To provide a hose joining metal tool composed of a belt, a lever and a fastener which is inserted easily in the hose by making the shape of a ring into nearly complete roundness. In a 1st process (#1), on a band like steel 2a fed by a fe...
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JP09155451 |
To prevent the irregular motion, and to minimize the noise without giving any flaw on the material surface by arranging a plurality of V-shaped saddles on the upstream side of a straightening machine in the vertical direction in a stagge...
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JP09155532 |
To automatically correct the outline of an insert work and to supply it to the die by providing a plate that vertically corrects the lower projecting piece of a sheet-like insert work and a jig that horizontally corrects the horizontal p...
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JP09150220 |
To simply change the roll width of a roll straightener for straightening the camber of a wide flange shape on line. A moving roll 5b is fixed to a mounting seat 6 and the female screw of a screw ring 9 is engaged with the male screw 6a o...
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