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Patent Searching and Data


Matches 801 - 850 out of 8,714

Document Document Title
JP5625718B2  
JP5622519B2  
JP5623309B2  
JP5618278B2  
JP2014200800A
To provide a ring rolling mill which can increase productivity.A mandrel 1 comprises a columnar mandrel pin 10 through which a work-piece is inserted, and a mandrel main body 15 which can axially move the mandrel pin 10. A prism part 13 ...  
JP5611438B1
[Subject] Screwing of a copper pipe with a screw with which a parallel male screw was formed in an end of a copper pipe is made easy. [Means for Solution] Parallel male screw 12 is formed in an end of copper pipe 11 by form-rolling proce...  
JP5609988B2  
JP5609982B2  
JP5610962B2  
JP5613468B2  
JP5609983B2  
JP5613467B2  
JP5604800B2  
JP5603283B2  
JP2014188522A
To provide a molding method needing no tube spinning treatment by using a cylindrical raw material having the same thickness as that of the cylindrical part of a product and capable of easily forming the thick bottom to the material usin...  
JP2014188580A
To provide a manufacturing method of an annular molding capable of stably and inexpensively manufacturing the annular molding being sufficiently high in mechanical strength by securing uniformity of a structure.The manufacturing method o...  
JP2014188582A
To perform working for providing a tooth of a gear-shaped work-piece with crowning shapes at two points along a tooth trace direction with high productivity and at a low cost.When teeth 11 of a gear-shaped work-piece 10 are to be provide...  
JP2014184484A
To provide a method of forming a ring rolling raw material to be formed as a high-quality thermostable alloy ring.For forming the ring rolling raw material, a ring rolling mill is used which includes: a main roll and a mandrel roll that ...  
JP2014184471A
To provide a molding device in which machining accuracy is hardly deteriorated even if continuously used for a long time, and a method of controlling the molding device.In a molding device, a molding roller whose machining end position i...  
JP5594056B2  
JP5589461B2  
JP5591123B2  
JP2014163252A
To provide a non-circular pipe spinning method enabling occurrence of wrinkles and cracks to be restricted and enabling a non-circular pipe to be processed.An axis spaced apart from a center axis (C) of a non-circular pipe (72) and kept ...  
JP2014521515A
[Subject] That is [the form-rolling roller always set up beforehand], constitute a form-rolling roller to be attached to a rolling tool in the right attaching position. [Means for Solution] Toroidal base 2 for form rolling of a radius pa...  
JP5581429B1
[Subject] In リングローリングミル 1, though it is comparatively simple composition, the forge plastic surgery of asymmetrical variant section ring 50 is enabled correctly. [Means for Solution] Circumferential groove 2a is provi...  
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
[Subject] A forming device and a formation method of a female screw of a cylindrical member which are formed in a container are started, and it is made to form a female screw of a cylindrical member simply with sufficient accuracy. [Mean...  
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
[Subject] In the case of rolling, an angular velocity difference is prevented from occurring in work every place, and an outside diameter is not straight and provides リングローリングミル which can roll a work of shape which ch...  
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...  

Matches 801 - 850 out of 8,714