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Patent Searching and Data


Matches 801 - 850 out of 8,687

Document Document Title
JP2014147961A
To prevent wall surfaces of grooves from being broken even when pressing force acts on the side wall surfaces of the grooves in the width direction of the grooves, when the grooves are formed to cross projections by press working on the ...  
JP2014149124A
To manufacture a fin-integrated tube which does not interpose a solder material therein without the need for a large-scaled device and a long period of manufacturing time, at high quality, and obtain an automobile heat exchanger which is...  
JP2014147953A
To provide a forming method and a forming apparatus that prevent the occurrence of underfill in the root vicinity of a flange part, without replacing a gripping member for gripping a blank.An outer end of a blank 40 is thickened by press...  
JP5577078B2  
JP2014144481A
To provide a forging apparatus and a forging method which are capable of manufacturing a forged product with a boss part while reducing costs.A forging apparatus 1 includes a rotary table 10 and a molding roller 14. The molding roller 14...  
JP5563316B2  
JP5559591B2  
JP2014131812A
To provide a method of producing a different thickness steel plate without using welding and performing complicated roll gap control.The method of producing a different thickness steel plate comprises: a roll forming step of gradually pe...  
JP5552963B2  
JP5548810B1  
JP5553408B2  
JP2014128808A
To provide a method for manufacturing a rolling tool that can be improved in a tool life by preventing the slippage of a rolled tooth surface.A method for forming an iron oxide coating includes the steps of: producing wustite on the surf...  
JP5545350B2  
JP5534838B2  
JP5536522B2  
JP2014117731A
To provide a metallic tubular body having great durability against deformation both in the axial direction and in the circumferential direction, and to provide a manufacturing method thereof.The rolling direction of an outlined arrow 2 i...  
JP2014117723A
To provide a ring rolling mill which prevents occurrence of angular speed differences in various parts of work during metal rolling and can roll work having varying outer diameters, instead of straight outer diameters, with good precisio...  
JP5527875B2  
JP2014111273A
To provide a molding method that even though the outer diameter of a thin wall disk-shaped blank is comparatively large, can achieve thickening of the outer end portion without buckling the blank.The molding method performs: a step of pr...  
JP5523544B1  
JP2014104494A
To provide a spinning apparatus whereby diameter reduction work of a shell can be properly carried out, without causing idling of the shell during deformation.Clampers 6A to 6F hold a shell 100 in such a manner that the inner peripheral ...  
JP2014101136A
To provide a liquid container of stainless steel which does not deform even when exposed under high-temperature environment for a long time.A liquid container of stainless steel is structured of: a bottomed cylindrical container of which...  
JP5514876B2  
JP5503338B2  
JP2014094384A
To provide an upsetting processing method of a raw material having a pipe-shaped part, capable of easily forming a flange in an opening end part of the raw material by using a spinning machine, without requiring large-scaled equipment ev...  
JP5496655B2  
JP2014079792A
To provide a rotation plastic processing apparatus capable of improving plastic processing accuracy.A synchronous rotation mechanism S of a rotation plastic processing apparatus comprises: a synchronous gear 8 which integrally rotates wi...  
JP2014079793A
To provide a rotation plastic processing apparatus capable of improving plastic processing accuracy.A synchronous rotation mechanism S of a rotation plastic processing apparatus comprises: a synchronous gear 8; a transmission gear 9; a d...  
JP2014079798A
To provide a molding method of a reflection cover capable of heightening production speed, and improving stability of quality and accuracy, and to provide a reflection cover produced by the production method.A molding method of a reflect...  
JP2014073517A
To provide a metal piece having a projection, in a manufacturing method simpler than a conventional one.A method of manufacturing a metal piece (20) having projections (26) for ensuring soldering thickness, includes: a rolling step for f...  
JP5479155B2  
JP2014069210A
To highly accurately process a housing on the inner peripheral side of a separator tube, without executing cutting work.The separator tube 4 is manufactured by a processing method including three processes which are: a grooving process o...  
JP2014061549A
To provide a method of manufacturing a roller bearing cage which may increase fatigue strength of the cage.A method of manufacturing a roller bearing cage provided with at least one cage ring 1 and a plurality of cage webs 2 which connec...  
JP2014061534A
To provide a manufacturing apparatus and a manufacturing method of a piston for a brake, and the piston for the brake, capable of securing the contact area of a part coming in contact with a pressure plate, while enabling formation of a ...  
JP5465955B2  
JP5459461B2  
JP2014054646A
To provide a spinning machine capable of reducing noise in a hydraulic circuit and saving power.In a spinning machine 1, a feed mechanism 20a feeding a tailstock mold 13 in a workpiece pressing direction, a feed mechanism 20c feeding a m...  
JP2014054644A
To provide a rolling processing method of a hollow material capable of accurately executing rolling processing to a general hollow material.A hard ball group 2 composed of a plurality of hard balls 1 is stored in a through-hole K of the ...  
JP2014054662A
To provide a towing hook formed so as not to be ruptured when a crack is caused in a fitting screw part in use, by improving fatigue strength of the fitting screw part.The towing hook 1 is composed of a shaft part 1a, a hook part 1b prov...  
JP5453414B2  
JP5446787B2  
JP5449870B2  
JP5446785B2  
JP2014046363A
To provide an edge roll for a ring rolling mill with an exchangeable tip, having a structure that enables easy, safe, quick and inexpensive restoration of an edge roll with an abraded tip without removing the whole roll.An edge roll comp...  
JP2014042925A
To provide a method of manufacturing a gear for a gear shifter in which the gear for the gear shifter can be manufactured using a manufacturing apparatus which is loaded small during molding, and is compact and simple in structure, and i...  
JP5435190B2  
JP5430644B2  
JP5436560B2  
JP5430825B2  
JP2014036984A
To provide a ring rolling mill having structure enabling one ring rolling mill to perform a rough rolling and a finish rolling in a short period of time without requiring reheating and enabling a workpiece to be efficiently moved and tak...  

Matches 801 - 850 out of 8,687