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Patent Searching and Data


Matches 801 - 850 out of 1,491

Document Document Title
JPH08141849A
PURPOSE: To provide a method of machining the movable sheave of a pulley device for a continuously variable transmission that can obtain high machining accuracy without the accumulation of workpiece fitting errors to a chuck. CONSTITUTIO...  
JPH08132322A
PURPOSE: To work a moulded body made of polytetrafluoroethylene or an ultra- high molecular weight polyethylene at favorable dimension precision. CONSTITUTION: A moulded body of polytetrafluoroethylene or an ultra-high molecular weight p...  
JPH08118161A
PURPOSE: To enable the simultaneous machining of plural workpieces while saving space by fitting a pair of turrets to a horizontal rotating shaft, and providing this pair of turrets with pipe holding means at the specified pitch in the c...  
JPH08118162A
PURPOSE: To provide a structural member to be embedded in a frame member such as a concrete column or a concrete beam, at low cost. CONSTITUTION: Numerous holes 3a are punched in a hot-rolled structural steel plate 2 before cooling, and ...  
JPH08117911A
PURPOSE: To obtain shapes forming device, which enables reduction in flat working force and the cost of equipment, by providing a means for working groove bottom and also for flat working to pressurize both sides of a groove. CONSTITUTIO...  
JPH0890350A
PURPOSE: To enable it to automate a series of operations ranging from the induction of a plate blank to positioning, edge preparation, cutting and parts delivery relatively easily, in time of manufacturing a plate part with a weld groove...  
JPH0871856A
PURPOSE: To provide a coil winding machine being compact, inexpensive and extremely efficient with shape return scarcely caused to a ring. CONSTITUTION: Metallic wire 4 delivered from a delivery roller 5 is cut by a cutter 16, and the me...  
JPH0824988B2  
JPH0822452B2  
JPH0818190B2  
JPH0847822A
PURPOSE: To provide a crowning face machining method by which smooth crowning face can be obtained with excellent machining efficiency, in machining for the crowning face of a machine component and the like. CONSTITUTION: A member 1 to b...  
JPH0847740A
PURPOSE: To provide a crowning surface forming method excellent in the working efficiency and capable of obtaining a smooth crowning surface in forming the crowning surface in mechanical parts, etc. CONSTITUTION: A surface 1a to be worke...  
JPH0847821A
PURPOSE: To extend a service life by making a through-hole in a plate before coated, when manufacturing the plate with a coated surface having the through- hole, so that a machining tool should be only designed so as to be adjusted to a ...  
JPH0813346B2  
JPH0839359A
PURPOSE: To shorten the working time by setting a plurality of cavity parts so as to be arranged on a common metal plate, performing a cluster NC machining such as milling, and cutting individual metal mold parts by wire cutting. CONSTIT...  
JPH084176Y2  
JPH0825116A
PURPOSE: To provide a machining method, by which a high quality through-hole or a high quality internal thread can be machined at low costs and compactification can be carried out, for a through-hole and an internal thread in a sheet met...  
JPH086795B2  
JPH086160B2  
JPH0811021A
PURPOSE: To manufacture a thin-walled parts with high yield of the material and reduction in the wear of a tool by preparing a disk-shaped slug from a cut round bar through the cold upsetting, making this slug to a cutting blank of the s...  
JPH083721A
PURPOSE: To obtain a piston rod surface excellent in smoothness and furthermore satisfactory in corrosion resistance, wear resistance and flawing resistance only by subjecting the surface of a machined rod to simple pretreatment. CONSTIT...  
JPH07109668B2  
JPH07299631A
PURPOSE: To improve durability of a cutter, facilitate work operation, and reduce cost. CONSTITUTION: Roundness 3a having comparatively small curvature R2 is worked along a spiral shape in a corner part between a board 2 and a spiral par...  
JPH07276147A
PURPOSE: To efficiently manufacture a U-bolt having a seat plate, and correctly mount the seat plate by press-fitting the seat plate to the position of a stepped part through a tapered part. CONSTITUTION: A rod is cut to the prescribed l...  
JPH07509187A  
JPH07251327A
PURPOSE: To provide a centering sleeve capable of being simply manufactured at a low cost in view of manufacturing technique and having an improved operating characteristic over a longer time in use even under an increasing bending load ...  
JPH07241726A
PURPOSE: To improve work processing efficiency and prevent generation of die marks by respectively detecting flaws of linear material in the circumferential direction and in the lengthwise direction, flaw positions, and the running speed...  
JPH07241627A
PURPOSE: To realize burr-free working of a forming work part and to contrive the reduction of all working time and the rationalization of working flow by carrying out punching, forming and deburring by a single machine. CONSTITUTION: A d...  
JPH07227721A
PURPOSE: To make troublesome cutting machining unnecessary and shorten a processing time drastically and improve productivity by correcting the projection degree of ribs into a size that corresponds to a bearing by push-pressing plural r...  
JPH07223125A
PURPOSE: To manufacture a disk drive swing arm without occurrence of a deposit and a material grain, and the generation of internal gas leak by making a base material having an outline form of the swing arm at an extrusion process. CONST...  
JPH0773814B2  
JPH07204944A
PURPOSE: To shorten machining time and reduce machining cost by forming different kinds of part shapes in one metal sheet material and making possible multiple part machining by one setup continuously and consistently. CONSTITUTION: The ...  
JPH07185948A
PURPOSE: To make a plastic deformation at a low cost in a limited space with no problem at all by plastically deforming a recess until the diameter of the recess corresponds to that of a half-shell bearing. CONSTITUTION: The raw material...  
JPH07506661A  
JPH0758096B2  
JPH0753324B2  
JPH0745064B2  
JPH07124807A
PURPOSE: To increase the processing accuracy of a topping size between the center of a crankshaft bearing hole and the upper surface of a cylinder block without the use of a special positioning fixture, etc. CONSTITUTION: In the processi...  
JPH07127646A
PURPOSE: To simply manufacture at low cost a retainer for bearing in which generation of fretting and abnormal sound is restrained, and simply fit it to a bearing. CONSTITUTION: A belt steel 11 in which pockets are formed at unequal pitc...  
JPH07117577A
PURPOSE: To reduce waste of a material at the time of forming an insert and to realize three-dimensional curve by rolling a part between slit rows formed in a slit forming process, extending it in the lengthy direction of a band type thi...  
JPH0734953B2  
JPH0729154B2  
JPH0781583A
PURPOSE: To provide a steering handle shaft by slight manufacturing cost so as to perform relative axial movement of the shaft and a storage pipe in very slight torsion play. CONSTITUTION: Keys 2, 2' which are parts on one side of an ins...  
JPH0751916A
PURPOSE: To maintain good working accuracy by easily correcting working on the basis of a working error due to deviation of alignment while working both inner and outer wall surfaces of an involute curve part. CONSTITUTION: A tool 16 is ...  
JPH0710464B2  
JPH0732880A
PURPOSE: To reduce weight while securing strength sufficiently by forming at least one of a bracket part integrally of a tubular beam part, making the width larger than a circumferential length of the tubular beam part, and forming a wal...  
JPH0732038A
PURPOSE: To provide an improved process for production by increasing the diameter ratio between the central portion and end portion of a tube without exceeding the cold forming capability of material. CONSTITUTION: A hollow shaft has the...  
JPH0724653A
PURPOSE: To improve durability of a torsion bar by way of improving coaxial precision of one end part, the other end part and a torsional part under a manufacturing method of the torsion bar of a power steering device. CONSTITUTION: A to...  
JPH0719213A
PURPOSE: To make improvements in dimensional accuracy by installing a platelike fitting body and plural pieces of joining projections projecting from the sidepiece at the same thickness as the fitting body and to be fitted in a square ho...  
JPH072250B2  

Matches 801 - 850 out of 1,491