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Patent Searching and Data


Matches 801 - 850 out of 8,582

Document Document Title
JP2013154355A
To increase the number of projections per one lead of a thread and further enhance a locking effect in a method of manufacturing a male screw provided with the projections which project in the normal direction of a flank of the thread at...  
JP2013152019A
To provide a steel tube with polyethylene powder lining having excellent form rolling workability in which any excessive diameter reduction occurs during the form rolling, and the fitting property to a tube end anti-corrosion joint is im...  
JP5256460B2  
JP5249367B2  
JP2013142471A
To provide a bolt that causes no fastening fault due to an inevitable hit mark during a bolt manufacturing process without re-rolling using a thread rolling machine.The bolt has a thread ridge with its thread ridge height h4 and its thre...  
JP5239933B2  
JP2013132645A
To provide a rolling method and apparatus that can form, by rolling, a gear having a small addendum radius and a small bottom radius and excelling in smoothness of tooth side faces.A gear with a large tooth depth is preliminarily formed ...  
JP5228303B2  
JP5228707B2  
JP5224423B2  
JP2013126794A
To provide a method for manufacturing a light alloy wheel for a vehicle in which cracks in a rim flange part can be suppressed without changing a shape of a wheel rim flange, and the light alloy wheel for the vehicle.The method for manuf...  
JP2013126667A
To provide a gear rolling method using circular dies, capable of producing teeth of an appropriate shape while causing no movement during processing.A work piece 3 having a cylindrical outer surface is supported on a support part 5 in su...  
JP2013116689A
To provide a bearing device for a wheel and a method of manufacturing the same, for improving durability, by securing support rigidity to a moment load, while reducing weight and the size.A pitch circle diameter PCDi of an inner side rol...  
JP5206275B2  
JP5210192B2  
JP5206260B2  
JP5210714B2  
JP5203556B2  
JP2013104071A
To provide a raw material for form rolling made of a copper alloy, for obtaining a form-rolled product having excellent strength and corrosion resistance.In the raw material for form rolling, a portion to be form-rolled is made of a Cu-Z...  
JP2013105057A
To provide a metal tube formed by providing a sure and stable spiral pattern shape on a metal tube with thin wall thickness by spinning and roughing the outer peripheral surface thereof, and to provide a manufacturing method thereof.The ...  
JP2013104122A
To provide an aluminum alloy wire for bolts, which is excellent in workability upon processing into a bolt and is capable of yielding a bolt with sufficient strength.The aluminum alloy wire for bolts comprises, by mass%, 0.60-1.5% Si, 0....  
JP2013099840A
To provide a high-accuracy and high-strength hollow threaded shaft with a low wall thickness, a method for manufacturing the same, and a small and light-weight ball screw unit.The method for manufacturing the threaded shaft includes step...  
JP2013094797A
To effectively reduce eccentricity between a center axis of a first cylindrical part and a center axis of a second cylindrical part without inviting increase in a manufacturing cost.A main metal fitting as a cylindrical member has a scre...  
JP2013092212A
To provide an inexpensive screw shaft that is superior in original mechanical performance as well as dimension accuracy, and achieves both the price and accuracy, and to provide a method for manufacturing the same.The screw shaft is manu...  
JP5195788B2  
JP2013081984A
To provide an apparatus for manufacturing an unequal thickness rim that can shorten a working time while surely preventing a hollow cylindrical material ring from moving along an axis direction during plastic working.The respective outer...  
JP5190885B2  
JP5188283B2  
JP5183116B2  
JP2013063457A
To provide a method for rolling a die-cast product which can improve workability in rolling without controlling the composition of a die-cast product.The method for rolling the die-cast product includes a step where rolling is applied to...  
JP5180669B2  
JP2013056366A
To provide a method of manufacturing an inner and outer ring for a bearing in which in a finishing process, the process is simplified securing finishing accuracy, and that can perform cost reduction.In the finishing process of a heat-tre...  
JP2013510001A  
JP2013052442A
To provide a method of manufacturing a wheel rim for a vehicle capable of improving productivity than before, light in weight and high in deformation resistance.The method of manufacturing the wheel rim for the vehicle includes a squeezi...  
JP2013049094A
To reduce manufacturing cost by improving yield by preventing the occurrence of a micro crack starting from a groove bottom of a fracture surface when an annular third intermediate material 21 is diametrically enlarged by form rolling to...  
JP2013049305A
To provide a wheel bearing device that can be made light in weight and small in size, reduces the number of processing man-hours, and can be made at lower cost through the simplification of assembly work.An L-shaped ring 17 is fit into t...  
JP2013507256A  
JP2013043183A
To provide a rolling die structure of a both-screw body with which both-screw bodies each having a right screw part and a left screw part on the same region can be highly accurately mass-produced using a cylindrical screw material withou...  
JP2013039614A
To provide a deformed cross-section structure that improves quality caused by a reduction of surface roughness, and prevents poor surface roughness to reduce the manufacturing cost, and to provide a method for manufacturing the same.The ...  
JP2013040635A
To provide a tapping screw made of a high hardness stainless steel, which can be screwed into a workpiece made of a low-carbon steel while forming a female screw.A screw raw material 1a integrated with a head portion including a drive po...  
JP2013035034A
To provide a method of manufacturing a spline shaft capable of obtaining superior working precision with a simple composition.In a method of roll-processing the spline shaft having crownings by using rolling racks 31 and 32 containing di...  
JP5145744B2  
JP5143219B2  
JP2013028769A
To provide a lubricant for rolling, which is excellent in processing performance, is particularly high in processing accuracy, and suppresses the occurrence of exfoliation of the bottom part of a tooth flank of a worm wheel and enhances ...  
JP2013027901A
To extend the life of a roller by reducing a load acting on an all-round projection of the roller from the outside.A piston rod 5 is sandwiched between a positioning member 21 of a groove machining device 11 and a pressing member 22 to b...  
JP5135837B2  
JP2013022632A
To provide a form-rolling device capable of suppressing an adverse effect caused by inhibition of walking of a workpiece for form-rolling and an adverse effect caused by walking.A braking force is adjusted such that: when an axial displa...  
JP5132199B2  
JP2013010106A
To easily process even a cylindrical component having a disproportionate shape in a plate thickness or a volume.This spinning method processing a rotor shaft includes a material junction process, a material separation/deformation process...  
JP5118852B2  

Matches 801 - 850 out of 8,582