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Patent Searching and Data


Matches 751 - 800 out of 3,563

Document Document Title
JP3668524B2
PURPOSE: To execute strain straightening in short time, in high precision and without requiring restraightening. CONSTITUTION: (i)A full length sensor system to show a coordinate of full length strain shape of long size material before s...  
JP2005518512A
An apparatus for processing a drive shaft ( 11 ) for a vehicle, the drive shaft ( 11 ) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and apply...  
JP2005153001A
To bore a tube insertion hole at the correct position while straightening the outline dimension of an extruded tank.In a heat exchanger composed of at least tubes having a heat exchange medium passage, fins alternately interposed between...  
JP2005153022A
To provide a tube straightening device to improve a tube manufacturing step, in particular, a tube straightening step.The tube straightening device (1) to straighten a tube (2) has an expander head (8) which is embedded in the tube (2) a...  
JP3659061B2
To provide a device for rolling inner surface beads of a steel pipe capable of maintaining a satisfactory lubricant state in slide parts within a roll holding truck within the pipe even if the inside of the pipe is kept in a high tempera...  
JP2005516774A
An apparatus for processing a drive shaft ( 11 ) for a vehicle, the drive shaft ( 11 ) having a longitudinal axis and first and second ends. There is provided a drive arrangement for coupling to the first end of the drive shaft and apply...  
JP2005144502A
To provide a method for changing the guide bar of a two-roll straightener which can make the guide bar lightweight by modifying the guide bar to a structure in which only the wearing part is detachable and which enables the guide bar to ...  
JP2005138146A
To provide a method for efficiently producing a bar material having good surface state.A billet heated with a heating furnace 10 is subjected to a hot-rolling by a rolling mill 12 to obtain a rod blank. This rod blank is wound in a coil-...  
JP3644121B2
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...  
JP2005103557A
To provide a device and a method for manufacturing a tube with grooved inner face by which grooves can be uniformly formed less liable to break the tube during machining even when using a long tube.Straightening rolls 25a-25e alternately...  
JP2005081393A
To keep a shape of a metal tube by applying plastic deformation on the metal tube and then removing the stress gradient incurred inside and outside of the bending direction.A forming metal die 3 is equipped with a plurality of projected ...  
JP3634514B2
To improve the dimensional tolerance of a steel tube, to expand and straighten its flat shape and to enable an excellent circumferential welding by forming the bottom part of the plunger fixed a strap holder into an inclined surface and ...  
JP3634961B2
To straighten the bend of a crankshaft without lowering the fatigue strength in fillet parts by cold roll-working, with high dimensional accuracy, moreover, at high efficiency. The expansion and contraction amount of arms is measured aft...  
JP2005062117A
To provide a measurement device 12 by which the inspection of an outer diameter of round bar steel 14.The measurement device 12 comprises a leveler 16, a sensor 18, a controller 20 and a computer 22. The leveler 16 has a first roll 28 an...  
JP3622552B2  
JP2005040852A
To provide a positioning and correcting jig device for a cylindrical member which device can correct the member to a same axial roundness without giving damage to the cylindrical member.The positioning and correcting jig device is compos...  
JP2005034882A
To provide a method and device for correcting seam distortion of a steel pipe capable of restraining the distortion of a seam portion more than before in the pipe circumferential direction generated at the time of manufacturing an electr...  
JP3615272B2  
JP3613959B2
To obtain an undeformed insulating shape by forming at the approximately same time of unifying an inside member and outside member which are extruded with an insulating member. Fitting rollers 2 and correcting rollers 3 are arranged alon...  
JP3612784B2  
JP3610865B2  
JP3612743B2  
JP2005003715A
To provide a non-straight cylinder having a cover layer of which the surface is smooth and uniform, and to provide its manufacturing method.The circularity of a thin thickness cylinder is enhanced by correcting and inserting a right cyli...  
JP3604921B2
To provide a straightening device for long size material having a special cross section with which tension-straightening of the long size material having the special cross section is enabled finely without generating new defects. This de...  
JP3603073B2  
JP3597968B2  
JP3598149B2  
JP3598730B2  
JP2004337880A
To provide a portable type wire drawing device with which a linear-state piping can be obtained.This portable type wire drawing device is provided with one pair of bodies formed as almost U-shape in the cross section, at least three piec...  
JP2004330297A
To provide a low residual stress correction method for a seamless steel pipe small in dimensional deformation caused by the residual stress strain when cutting inner and outer surfaces of a cutting ring, particularly, used for a bearing ...  
JP3593381B2  
JP3584652B2
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 ...  
JP3584983B2
To provide a unified molding method of aluminum alloy casing for a bus bar which is used for a G.I.S. (Gas Isolated Switchgear). A stage (a) where an aluminum alloy stock of a prescribed volume in accordance with the volume of a required...  
JP3583050B2
To provide a technology enabling a shaft exeavation method with using a large cylindrical casing not transportable in a general road due to the load traffic act. A cylindrical casing forming apparatus 10 is provided with an impact head 1...  
JP3581480B2  
JP3579673B2
To enable the auxiliary-girder-attached main girder to be straightened in weld deformation using straightening rolls, to simply inversely alternate the mounting position of a driving and a driven straightening roll, which correct the wel...  
JP3578586B2  
JP3578951B2  
JP2004283836A
To provide an apparatus for correcting H-section steel capable of simultaneously correcting shape defects in both longitudinal and cross-sectional directions of the steel in a single process, and a method for correcting the steel capable...  
JP2004283847A
To provide an apparatus for expanding pipe capable of affording a pipe excellent in roundness, and a method for manufacturing a steel pipe using it.When a pipe is expanded by the apparatus for expanding pipe having an pipe expanding head...  
JP2004283896A
To prevent impression or the like from being left in a product-shaped part when straightening distortion.A plurality of projection parts 2, 3 and 4 are integrated with a portion other than a product shaped part of a structure 1. When str...  
JP2004276097A
To provide a correcting tool for tube end shape in the tube with which the deformation of the tube end part can easily be corrected without applying the force so much.In the correcting tool for tube end shape of the tube, correcting the ...  
JP2004276061A
To provide a straightening device 11 which can straighten a pipe 12 while suppressing friction resistance to the pipe 12 and which can reduce the effects caused by a matter adhering to the pipe 12.The pipe 12 to be linearly straightened ...  
JP2004276051A
To provide a bar-shaped base stock for cutting from which a bar-shaped cut goods having excellent dimensional accuracy is manufactured.This base stock 1 is for cutting the bar-shaped cut goods essentially composed of aluminum or an alumi...  
JP3572331B2  
JP2004261834A
To provide a method and device for correcting strain capable of obtaining a stable and highly accurate strain correction.The device for correcting strain 1 comprises a strain detecting means 40 to measure the amount of strain of a cranks...  
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...  
JP3558398B2
The straightening machine for rolled beams, in partic. hyper-beams, incorporates axially adjustable straightening disks which are mounted on a shaft (1) and contact beam flanges from inside, and are used for straightening at least one of...  
JP2004230387A
To provide a steel pipe rotating machine which can be installed even into a narrow space, is simpler than a conventional machine and rotates the pipe safely.This machine is provided with: a pair of right and left rotating rollers for sup...  
JP3555353B2
To improve straightening precision, to reduce a straightening manhour and to improve workability by fitting a Ni base alloy cylindrical part such as an aircraft engine casing into a straightening die, heating it to neighborhood of the ag...  

Matches 751 - 800 out of 3,563