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Patent Searching and Data


Matches 651 - 700 out of 4,208

Document Document Title
JP2011224625
To efficiently roll a sector gear with high rigidity, and to roll the sector gear like a round gear.Rotational control is performed by rotating a first spindle 4 and a second spindle 5 facing each other forward and backward to make a cir...  
JP2011224608
To avoid a problem of over-threading of an axis member having shaped sections with two kinds of different, large and small, diameters.In a cross section of a section 32 with a large diameter, the area ratio of a projection 32b other than...  
JP2011224581
To provide a roller forging method for preventing facility cost from increasing in order to skip the next process to reduce production cost, and to obviate the need of a complicated shape by preventing occurrence of surface layer flow, i...  
JP2011218380
To provide a device for manufacturing a stepped shaft member reducing a load acted onto a material rotary shaft and preventing buildup generated on a peripheral surface of the shaft member while preventing a working time from being incre...  
JP2011218375
To provide a press roll shaping machine in which work for transferring a metal mold in a roll movement direction is simplified.The shaping machine includes a sliding means 8 capable of sliding a metal mold 3 in the direction of the movem...  
JP2011218455
To improve machining efficiency by making a cutting time shorter than that of each of conventional electrodeposited grinding wheel and a pinion cutter.This tooth flank generating tool includes a body 11 and many stages of blades 12, 12.....  
JP2011218374
To provide a press roll shaping machine capable of correctly shaping a material piece by suppressing the positional deviation of the material piece.The press roll shaping machine includes a guiding means 8 for regulating the movement of ...  
JP2011208751
To provide a rolling bearing, a method for manufacturing a roller, and a roller machining device, achieving both excellent surface damage resistant performance and excellent lubricating performance.This cylindrical rolling bearing 1 incl...  
JP2011189387
To provide a press roll forming apparatus and a press roll forming method which can reduce the amount of the material to be discarded by the use of a material piece having a reduced size.The press roll forming apparatus comprises a press...  
JP2011183415
To provide a lead screw manufacturing method for manufacturing lead screws rich in productivity and having low manufacturing cost.In the lead screw manufacturing method, a hoop material 1 is prepared (Fig.1(A)), the hoop material is fed ...  
JP2011183410
To provide a press device capable of performing press working and finish working continuously with the satisfactory efficiency.The finish working mold 18 of the press device 2 includes a finish working tool 60, a rotation mechanism for a...  
JP2011183432
To provide a method and a program for rim roll forming analysis simulation capable of performing the analysis processing of the deformation mode in a short time while maintaining the desired analysis accuracy in a rim roll forming proces...  
JP2011177732
To provide a closing work method of a tubular body capable of securing sealability of a part to be sealed without strictly regulating the thickness tolerance, the positioning accuracy or the like of the tubular body, and also to provide ...  
JP2011173130
To form a recessed groove having high shape accuracy on one-side face of a disk to improve the traction property stably and at a low cost.A form roller 17 which has the curved surface 20 having a shape corresponding to the recessed groov...  
JP2011173169
To manufacture at a low cost a machine element for an auxiliary rack-and-pinion steering system comprising an electric motor for motor vehicles.The machine element is provided, at least on a part of its axial length, with first toothing ...  
JP2011169458
To provide a metallic glass fastening screw which is high in strength and achieves fastening of high reliability in a wide field including a lightweight member by imparting a hardly loosened property to the screw itself.In machining a th...  
JP2011167749
To provide a form rolling die having very excellent practicability which can prevent damage, burr or the like on a tooth flank of a member to be form-rolled by suppressing interference between the member to be form-rolled and a form roll...  
JP2011156556
To provide an apparatus for manufacturing a sprocket segment capable of manufacturing the sprocket segment with a desired shape at a low cost without installing particular equipment for deforming a tooth part, equipment with high pressur...  
JP2011152560
To provide a flat die for form rolling capable of making groove depths of a workpiece uniform without changing the total length of a die or the time for machining the workpiece.The flat die for form rolling includes a lead-in part 11, an...  
JP2011147977
To provide a method of producing a copper strip material having a deformed cross section, by which a slitting process is omitted.The method of producing the copper strip material having the deformed cross section comprises: a strip mater...  
JP2011141032
To provide a screw made of a magnesium-base alloy excellent in strength.The magnesium-base alloy screw is made of the magnesium-base alloy containing Al by 5.5-12 mass%. The magnesium-base alloy screw is formed by forming and shaping a d...  
JP2011136362
To provide a device and a method for grooving an electrical steel sheet, by which a uniform groove shape is formed easily on the surface even when the sheet thickness of an electrical steel sheet is varied.The device for grooving an elec...  
JP2011133217
To improve heat transfer characteristics of a heat transfer pipe and to provide a method of manufacturing the heat transfer pipe.This invention relates to the heat transfer pipe including a pipe axis, a pipe wall, a pipe outer face and a...  
JP2011115799
To provide a method of form-rolling, a working device and a formed body, wherein the generation of the staggers for performing the form-rolling of a form-rolled body or a screw body excellent in dimensional accuracy is reduced.In a metho...  
JP2011110595
To provide a method of manufacturing the various kinds of the base stocks for rings, at a low running cost without almost taking labor and time for changing the set when manufacturing a ring-shaped base stock such as the inner and outer ...  
JP2011110756
To provide a mouthpiece engraving machine which can perform engraving on a mouthpiece at low cost.Two supporting rollers 32 are rotatably attached in parallel to a supporting block 20 which can linearly move in an arrow M1 direction alon...  
JP2011110599
To provide a method of manufacturing the various kinds of the base stocks for rings, by which there is almost no need of time and labor for changing a set and running cost is low.By changing the length of a ring-shaped base stock which i...  
JP2011098359
To provide a plastic working apparatus which has as simple constitution as possible and nonetheless surely plastically works a flat-plate base stock into a shape having a desired thick portion other than a boss part.The plastic working a...  
JP2011088190
To provide a method for manufacturing mounting hardware for mounting a TV body on a wall in which a mounting hardware plate and a blind nut are integrated with each other, and to provide a tapping tool used therefor, i.e., a method for m...  
JP2011079043
To provide a method of manufacturing annular moldings, a method capable of manufacturing annular moldings that are made of the same material and that have partially different characteristics, and to provide the annular moldings manufactu...  
JP2011078993
To provide a form rolling die which can securely and inexpensively form a bolt (screw) with a profile combining a male screw part located at least at one end and a profile having a non-circular cross-section from a columnar sock by singl...  
JP2011062711
To provide a vertical rotary plastic working device capable of exchanging a forming die with a comparatively simple and inexpensive configuration while preventing adverse effect due to the heat of a heating means or the like.In the verti...  
JP2011056548
To provide a method for manufacturing a ring-like formed body, by which the equipment cost is restrained, manufacturing efficiency is enhanced, material yield is improved, whole of the ring-like formed body is distorted to give the struc...  
JP2011045923
To provide a different thickness wide metal plate having good quality characterized in that the cross-sectional shape thereof is highly flexibly designed and the cross-sectional shape is easily changed and the metal plate does not includ...  
JP2011045910
To provide a thread rolling flat die the durability of which is improved and also with which the generation of the bias of a base stock and flaws caused by thread rolling is suppressed.The rolling tooth-form surface 12 of a first flat di...  
JP2011045915
To provide a die for roll forming with which projections having new pattern are formed on an end face in the axial direction of a tubular metal fitting, a method of manufacturing the tubular metal fittings using it and a method of manufa...  
JP2011036949
To properly remove a white layer by shot-peening while suppressing chipping of rolling teeth in a method for manufacturing a form rolling die in which nitriding treatment is executed in order to achieve surface hardening after heat treat...  
JP2011020167
To provide a rolling die capable of beautifully forming a knurled double-cut with high productivity.The front pitch of a second machining tooth 21a of a segment die 20 is set to the numerical value b formed by dividing the length Ls of a...  
JP2011011260
To provide a flange for assembling a tower.The flange includes a weld neck which is at least partially formed on a heated ring-shaped metal billet (306). The weld neck is formed by removing at least a part of the heated ring-shaped metal...  
JP2011005549
To provide a method for roughening a metal surface which can improve adhesion of a thermally sprayed coating layer with small work.The method comprises a first step of forming grooves (7) on a metal surface (2) and a second step of plast...  
JP2011005508
To provide a method and an apparatus for manufacturing metal parts having high mechanical strength at high dimensional accuracy and at a low cost and to provide the metal parts manufactured by them.The top part 13a of a working tool 13 h...  
JP2011005539
To provide a novel method of manufacturing a metal fitting with which a new pattern projection which prevents infiltration of rainwater or the like through the upper part of end face in the axial direction of the cylindrical metal fittin...  
JP2011005534
To improve a yield by more surely preventing orange-peeling or surface-roughening.A method for manufacturing a deformed cross-sectional bar includes a step of rough rolling, a step of annealing, and a step of finish rolling. In the step ...  
JP2011005519
To provide a forming roller that can reduce the diameter expansion deformation of the inner diameter of a workpiece and controls the material flow of the workpiece.The forming roller 10 forms the workpiece 30 by being pressed to the rota...  
JP2010284662
To provide an apparatus for manufacturing a cup-like gear with which driving force for forming is reduced, the shapes of an external tooth and an internal tooth are made into the desired accurate shape and a cup-like base stock is formed...  
JP2010279966
To securely adjust a pitch between rolling dies in a short period of time by even an unskilled person.A thread rolling device includes a thread rolling disk having a holding part for holding a rolling blank 1, a plurality of rolling dies...  
JP2010280023
To provide rotation plastic working equipment capable of continuing to operate a vertical rotation plastic working device and a robot without stopping plastic working of a material to be worked to the extent possible while keeping safety...  
JP2010260077
To provide a flow-forming apparatus capable of efficiently filling an inner wall of a workpiece to an uneven shape of a forming die by reducing the friction resistance at a boundary between the forming die and the workpiece.The flow-form...  
JP2010256156
To provide a strain sensor which directly measures the strain of an object under measurement, for example, the strain of a fixed die of a rolling machine without embedding it in the fixed die.A housing groove 4 is provided on one surface...  
JP2010255649
To provide an expansion joint having uniformed material quality and improved product quality and being mass-productive in a shorter manufacturing time by eliminating a welding joint line, and to provide a method of manufacturing the same...  

Matches 651 - 700 out of 4,208