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JP2007014986A |
To provide a manufacturing method of a base stock made of an alloy which has high dimensional accuracy while preventing the generation of intergranular state and stress cracking.The manufacturing method of the base stock made of the allo...
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JP3872409B2 |
To provide a cutting method and device for a sheet metal drum improving the working efficiency by smoothly inserting the drum into a drum retaining member and highly precisely cutting by preventing damage to the drum. When the drum A is ...
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JP3863959B2 |
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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JP3861351B2 |
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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JP3861757B2 |
To provide a correcting device of the circumferential length of a metallic belt the structure of which is more simplified and can be miniaturized. When correcting the circumferential length of the metallic belt 30, the metallic belt 30 w...
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JP3860810B2 |
Device (1) for producing a polygonal, preferably rectangular pipe (2) comprises a pipe-welding unit (3) in which the pipe is formed from a flat metal strip and welded on the interface produced. The device also comprises a roller unit (4)...
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JP3842113B2 |
To provide a detachable mechanism for a rotatable annular grooved leveling roller around a spindle. A spindle (1) has an air space (4) into which a pusher (9) is inserted, and the pusher (9) has tapered thrust surfaces (9a, 9b) which dis...
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JP2006297408A |
To provide a device for correcting a workpiece by utilizing a metallic die, which can greatly shorten the time necessary for manufacturing and adjusting the metallic die by suppressing the spring-back of the workpiece.The device 1 for co...
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JP3840954B2 |
To correct overturning of a counterweight in a correcting direction and in a perpendicular direction simultaneously in the case of correcting the bend of a crankshaft coarse material. The crankshaft coarse material S is restricted under ...
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JP2006281228A |
To provide a method for controlling a roll-type pipe straightening machine, in which the stable straightening effect can be obtained.The method for controlling the roll-type straightening pipe machine 1, includes: a first step, in which ...
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JP2006272365A |
To obtain a UOE steel pipe having roundness within a recent roundness regulation range by highly accurately sizing a pipe end with satisfactory working efficiency.The equipment for pipe-end sizing has a pipe-end sizing device 4 for flari...
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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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JP3826418B2 |
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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JP2006247727A |
To provide a method for correcting the shape of a counterweight capable of obtaining the necessary and sufficient correction effect so as to realize the so-called machining-less method of the counterweight by enhancing the correction eff...
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JP2006247730A |
To provide a method for correcting the shape of a counterweight capable of realizing a machining-less method of the counterweight by enhancing the correcting effect.A set of two wedge-shaped cam dies 7 are inserted between counterweights...
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JP2006247728A |
To provide a method for correcting the shape of a counter weight of a crankshaft and a twisting apparatus to be used in the method, by which method and apparatus, a necessary and sufficient correcting effect can be obtained in the existi...
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JP2006247729A |
To provide a method for forging a crankshaft, which method can achieve a necessary and sufficient correcting effect by correcting the shape of a counter weight in a trimming process without increasing the number of the forging processes....
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JP2006231401A |
To provide a method of manufacturing an extra-low YR electric-resistance welded tube for building materials by which a YR (Yield Ratio) is satisfied within <80% inexpensively, and to provide an earthquake-proof building material using th...
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JP3817762B2 |
To provide the method and device for straightening a wide flange beam capable of straightening even the large wide flange beam of small web thickness. Repeated straightening of bending is performed by rolling down a web of a wide flange ...
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JP2006205180A |
To provide a correction tool for a tube end which is light in weight and small in size and is easy to work on a piping execution site.A shank 2 for mounting an electrically powered rotary tool, and two or more tube end outer peripheral s...
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JP3805971B2 |
To provide new method and device for manufacturing a metal sheet bundle for a stator in an electric machine. The stator of an electric motor is formed by using multi-axis slide type presses (21, 22 and 23). A start point is a welded bund...
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JP3802727B2 |
To straighten shapes with high accuracy and at high efficiency by light draft rolling. By rolling a material to be straightened while using a rolling mill 51 by which the whole vertical cross section of a shape is plastically deformed an...
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JP2006181610A |
To provide a roller straightening method and a roller straightening apparatus by which straitening forces which are equal at the right and left are imparted to the right and left fillet parts of a wide flange shape.When the straightening...
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JP2006167808A |
To provide an apparatus combining a tube straightening device with a tube bending device for manufacturing a U-shaped tube which has accurately straight and generally parallel legs and is easily combined with a fin laminated body.This ap...
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JP2006167737A |
To provide a waviness generation preventive method in hot and cold straightening a seamless steel tube/bar steel.In the method for preventing generation of waviness in straightening a seamless steel tube/bar steel, a material contact por...
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JP3790985B2 |
To provide a method and a device for bending a metal frame capable of bending the metal frame in a desired bending shape without requiring any complicated post-treatment work in a flange corner part of the metal frame. A metal frame memb...
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JP3789047B2 |
To provide a straightening device, straightening method, measuring device and measuring method whose operabilities are improved. An object 1 to be measured is supported at both ends with clamping devices 8a, 8b and positioned with indexi...
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JP3785048B2 |
To provide a straightening apparatus for dental correction wire, which apparatus can cope with a variety of wire sizes. In the straightening apparatus for the dental correction material, which apparatus has a plurality of rollers that st...
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JP3784876B2 |
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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JP3785998B2 |
To provide a method for correcting the end of a steel pipe capable of sufficiently correcting the curvature change of a short period in a tube circumferential direction corresponding to a divided pitch of dies, and an apparatus with a si...
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JP3783833B2 |
To adjust plastic deformation amount by adjusting the radial direction position of a clamping member when an external force is applied from outside the radial direction to a member to be subjected to plastic deformation. When an engaging...
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JP3776411B2 |
To provide a coiling bender which can automatically form the internal piping etc., of, for example, a water heater by subjecting a pipe-shaped work to prescribed bending and can form bending sections to prescribed shapes. The stationary ...
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JP3776613B2 |
To provide a quality improving method and device for improving product finishing surface quality, by cladding and contracting a fine casting defect in the vicinity of a surface in a cast steel workable at the rotation center like a round...
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JP3773311B2 |
To restrain the generation of cross section deformations and wrinkles with a simple structure and process in the case of bending a double tube. In the case of bending the double tube by holding the double tube 4 having an outer tube 4a a...
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JP2006102777A |
To straighten strain without causing the problem of work hardening with a simple and compact apparatus.A distorted material M to be worked is put on a surface plate 12 and brought into close contact with the surface plate 12 by imparting...
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JP2006095582A |
To remove foreign matter adhered firmly to the surface of a roller.A peripheral length correcting device bridges a pair of a rotation driving-side roller and a rotation driven-side roller with a metal ring, gives a predetermined tension ...
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JP3758571B2 |
To obtain a method and a device for manufacturing a bottle can by which a bulged part the cross-sectional shape in an arbitrary position in the circumferential direction is uniform is formed in a specified position. In a manufacturing me...
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JP2006070940A |
To provide a method of manufacturing a cylindrical bearing bush having butted end faces closely fitted to each other and capable of providing extremely high roundness on its inner peripheral surface without applying machining such as cut...
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JP3755230B2 |
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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JP3119771U |
To provide a shape finishing ring for a square steel pipe which realizes an efficient and appropriate shape finish. A shape finishing ring 10 for a square steel pipe is divided in half in the circumferential direction and is fastened and...
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JP3754190B2 |
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JP3754191B2 |
To reduce a tensile residual stress generated at the head and the sole of a rail and to improve belly brittleness resistance/crack propagation property by adjusting the rolling reduction of the rail head/sole, imparting a downward warp a...
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JP3747225B2 |
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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JP3118656U |
To provide an inexpensive device having a simple structure for correcting and correcting habits, bends and the like generated in a wire rope during cargo handling, transportation work and the like. (1) A stepping method is adopted, and t...
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JP3735326B2 |
To efficiently eliminate distortion in a forging such as a forging blade. The support system is used for supporting the elimination work of the distortion generated in the forging. Distortion-elimination condition data are stored in a su...
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JP3731974B2 |
To prevent a rail from generating upward camber by executing cold light reduction rolling for controlling the residual stress within the rail and simultaneously providing the bending moment in the foot part direction from the head part o...
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JP3731962B2 |
To produce a rail reduced in camber and controllable in residual stress by applying at least one or more treatments of descaling, cleaning, defatting, lubricant coating to the surface of a head part or the bottom of the rail between a be...
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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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JP2005305481A |
To provide a hot-straightening apparatus for the end bend of a pipe with which the end bend can be easily straightened for various kinds of sizes of pipes by simple equipment constitution.This hot-straightening apparatus 1A for the end b...
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JP2005280170A |
To provide a stainless steel round bar having new design property and a manufacturing method for the stainless steel round bar having new design property.The round bar is made of stainless steel and excellent in design property. Hairline...
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