Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 801 - 850 out of 8,513

Document Document Title
JP2012232335A
To provide a 3-roll type ring rolling method of such a product having unsymmetrical and irregular cross-sectional shape wherein no disturbance of product attitude occurs during rolling, no cavity flaw occurs on the annular surface and th...  
JP5084191B2  
JP5078354B2  
JP2012223774A
To provide a dimpling apparatus which can be made compact as a whole apparatus.The dimpling apparatus includes a ring-shaped member 31 having a ring hole 40 penetrating in the axial direction, and rotatable around the axis, a plurality o...  
JP2012225385A
To improve yield and productivity of a material of a rotor hub assembled in a fluid dynamic pressure bearing device.The hub part 3 of a hub-integrated shaft 9 is made of sintered metal. As a result, large quantity of chips is not generat...  
JP5073228B2  
JP2012218013A
To guarantee sure holding of a wheel material at the time of spinning process.When a tail stock cylinder expands, a cam member 32 moves leftward together with a movable sleeve member 26, and first and third cam surfaces 32b and 32d slide...  
JP2012217992A
To provide a method of efficiently manufacturing a thin-wall core metal with ribs having high rigidity.The ribs on the inner surface of the thin-wall core metal are formed by disposing a core 31, which encloses a hollow cylindrical thin-...  
JP5065966B2  
JP5062895B2  
JP5064749B2  
JP5056719B2  
JP5055866B2  
JP2012200756A
To provide a machine tool enabling both cutting and rolling of an outer peripheral face of a workpiece and capable of accurately performing the rolling by a simple structure.The machine tool includes: a spindle 4 supporting the workpiece...  
JP2012196693A
To provide a method of manufacturing an irregular cross section material for manufacturing an irregular cross section material having a complicated shape by enhancing the degree of freedom of a product shape by a general inexpensive plas...  
JP5053399B2  
JP5051499B2  
JP5051503B2  
JP5046200B2  
JP2012187672A
To provide a method of manufacturing a rotor hub capable of reducing swarf and costs and improving work efficiency while maintaining high accuracy.In this method of manufacturing a rotor hub including a cylindrical part having a cylindri...  
JP2012187598A
To accurately form desired shape with fewer processes using fewer rollers by forming the thickness of an approximately T-shaped portion of the outer diameter side end of a disk-like material to be as thick as possible.A curved surface ro...  
JP5042931B2  
JP5036238B2  
JP5034696B2  
JP5034276B2  
JP5036266B2  
JP5030621B2  
JP2012176419A
To shape at high accuracy by form-rolling, a gear member in which the tooth bottom diameter of a gear formation part is smaller than the diameter of a support.In a raw material 30 for form rolling, the connection parts 32a and 32b are fo...  
JP2012172244A
To provide a copper alloy sheet with a deformed cross section, which is a Cu-Fe-P-based copper alloy plate with a deformed cross section, and high press workability, and a method for producing the same.The copper alloy sheet with a defor...  
JP2012166216A
To provide a tooth shape rolling tool capable of improving the lifetime of the tool by reducing surface pressure on the tooth shape rolling tool while securing desired tooth depth and an addendum shape of a product, and a method for manu...  
JP5018734B2  
JP2012161813A
To provide a rolling device that can precisely cut grooves for a predetermined number of gears.In the rolling machine including: a container 21 which is driven and freely rotatable, and in which a cylindrical base material 10 with inner ...  
JP5012038B2  
JP5014014B2  
JP5014053B2  
JP5013998B2  
JP2012157877A
To provide a method for manufacturing a coating rod capable of minimizing variation in the area of grooves.The method includes: a first step of preparing a rod material 20; and a second step of forming a groove on the outer surface of th...  
JP5008626B2  
JP5009476B2  
JP5001335B2  
JP2012143841A
To provide a female screw forming method that forms a female screw capable of improving the axial force of a male screw.The method forms the female screw 14 by rotating a machining tool 32 which is pressed to a workpiece 12. The machinin...  
JP2012143799A
To form a sinking shape in an outer periphery of a shaft-like member without depending on a cutting work.A method of manufacturing the shaft-like member that has the sinking shape 14 on the outer periphery thereof includes: a hollow port...  
JP2012139740A
To provide a method for forming a female screw, which forms a female screw that improves axial force of a male screw.The method for forming a female screw, presses a machining tool 32 that includes: a hole forming part 100 formed in a ti...  
JP4983279B2  
JP2012137131A
To provide a bone screw with which binding force with bone can be properly adjusted.In the bone screw composed of titanium or titanium alloy, a rough surface part with high surface roughness and a smooth surface part with low surface rou...  
JP4978888B2  
JP4973904B2  
JP2012125777A
To provide a method of manufacturing a cylindrical member with bottom, an extended cylindrical member with disk-like bottom, a thin-wall extended member with bottom, and a thin-wall extended cylindrical member with disk-like bottom that ...  
JP2012127492A
To enable mass production of a race ring of high accuracy and high strength inexpensively.An outer ring 1 comprises a metal sintered body 10' that is formed by sintering a pressed powder member 10 of a starting powder material mainly com...  
JP4964539B2  

Matches 801 - 850 out of 8,513