Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 3,563

Document Document Title
JP3142896U
To provide a material straightening device capable of measuring the hardness of a coil material used in a straightening roller portion for straightening a coil material. This is a material straightening device A of a pressure forming mac...  
JP4107973B2  
JP4096840B2  
JP4083002B2  
JP4075478B2
An assembled camshaft (10) for engine includes: a cam lobe piece (12); and a hollow shaft member (11) having at least two shaft fixing surfaces (11A) formed by plasticity process on a portion of the hollow shaft member (11) corresponding...  
JP4074416B2  
JP4067768B2  
JP3140021U
To easily and easily change a straightening roller of a material straightening device in a short time when performing a heading process by supplying materials having different diameters and cross-sectional shapes. As a material straighte...  
JP2008030090A
To provide a method of straightening bend of a shape steel having a flange on both sides of the web and a straightening apparatus for shape steel which is appropriately usable to this kind of steel.This press straightening apparatus (str...  
JP4028442B2
An apparatus for correcting deformation of a gas turbine blade includes a stationary die fixed to a backside of a tip shroud of a gas turbine blade to hold a back surface thereof and a pressing die pressing a front surface of the tip shr...  
JP4025535B2  
JP4022734B2  
JP4013269B2  
JP4013574B2  
JP4010102B2
To provide a method and a facility for manufacturing a heat-treated rail in which both web parts of both ends of the rail are also forcibly cooled when forcibly cooling the head and leg parts of the rail after the rolling and the residua...  
JP2007296549A
To provide an apparatus for straightening a steel sheet pile with which even a worker less in skill can perform a straightening work in accordance with various deformation without using other heavy machinery such as a crane and equipment...  
JP4006233B2  
JP3999547B2  
JP3999903B2  
JP3997691B2  
JP3990761B2  
JP3989651B2  
JP3986834B2  
JP3978853B2  
JP3972595B2  
JP3965124B2
To provide a method of easily and highly precisely manufacturing a cylindrical metal case from a metal plate by plastic forming. A metal plate 20 is punched into a predetermined shape to form a side surface plate material 32, and the mat...  
JP3966599B2
To easily and precisely regulate the roller intervals by taking out a pressurized oil in a sleeve to be externally fitted to a rotary shaft, and press-fitting the sleeve to a roller to move the roller by the rotation of the rotary shaft....  
JP2007203342A
To manufacture a cylindrical shaft 20 having high roundness over its whole length by bending work. In a method for manufacturing the cylindrical shaft 20, a metal sheet 10 is worked into such a shape that each of cross-sectional shapes o...  
JP2007175743A
To manufacture a quality hollow prismatic metal tube free of bending or twisting from a hollow cylindrical welding metal tube.A hollow cylindrical metal tube 13 which is prepared by butting and welding both ends of a metal strip 11 is ma...  
JP2007167930A
To provide a method for straightening a shape steel, which enables stable and highly accurate straightening work without requiring a feed-forward control, based on the measurement of the angle of a flange before the straightening, and wi...  
JP2007152388A
To provide a method and an apparatus for correcting perpendicularity of the flange of a wide flange shape by which the defective perpendicularity of the flange is accurately corrected over the entire length of of the wide flange shape.By...  
JP2007152426A
To obtain the long service life of a die by changing the order in one series of forging-formation processes.On the way for passing each process of a rough-forging, a finish-forging, a trimming and a twisting; a mutual clearance of both p...  
JP3925685B2
To provide a roll clamping device for roll strainghteners with which equipment is simplified and workability is improved to shorten roll changing time. This device has plural notched grooves 24 which are formed in the circumferential dir...  
JP3917660B2
The invention relates to a process for producing pipes, especially large pipes, according to the UOE process, wherein a pipe, after internal and external seam welding, is incrementally calibrated by cold expansion up to half the pipe len...  
JP3914742B2
To provide a method and device for correcting a section steel excellent in a cross section dimensional accuracy in the total length and straightness, and having less internal residual stress and less local material degradation. The metho...  
JP3911750B2
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 ...  
JP3913445B2
To provide a roll forming apparatus to form a long size metal plate into a square column for building by roll forming. A cylindrical body A formed from a long size metal plate in a previous process is fed between an upper roller 1 and a ...  
JP3898617B2
To provide a cutting method for a thin sheet drum made of metal and its device capable of enhancing a work efficiency by smoothly inserting a drum to a drum retaining member and cutting it at high accuracy while preventing damage of the ...  
JP2007069213A
To provide a chevron straightening device and a chevron straightening method of corrugate fin, wherein the cost of the device can be reduced and also the change of the chevron angle in the fin can be dealt without spending excess cost, s...  
JP2007061822A
To provide a continuous drawing system capable of obtaining a bar material high in straightness at the outlet side of a roll.This system is provided with a straightening machine 3 having laterally straightening rollers 11 and longitudina...  
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...  
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 ...  
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...  
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...  
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...  
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)...  
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...  
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...  
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 ...  
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 ...  

Matches 651 - 700 out of 3,563