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JP3800936B2 |
To enable a metallic sheet to be machined and be easily and finely bent by properly performing electrical discharge using a simple method and apparatus. The metallic sheet 2 is machined by generating desired thermal strain in parts to be...
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JP3795862B2 |
A structural part includes a plate-shaped base body and ribs that extend longitudinally approximately parallel to one another, and that are joined integrally to and protrude orthogonally from the base body. In a shaping method, the struc...
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JP3792778B2 |
To stabilize the dimensional accuracy of shape and to improve the accuracy of assembly without necessitating special equipment and dies by reducing working processes of an EA plate. In a position A, the lower end of a shaft 14 is clamped...
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JP2006142322A |
To provide a method and an apparatus for pushing-through bending by which the position of the outer peripheral surface of a three-dimensional shape to be worked is controllable.By deciding the track of a long size material having the thr...
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JP3778305B2 |
To quantitatively and suitably execute division of a sheet having a curving surface by calculating strain generated at the time of bending a flat sheet to the planned curving surface with a finite element method, selecting the heating co...
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JP3773571B2 |
To press a steel plate so as to provide a mass part on the periphery. A flywheel 5 has a mass ring 13 wound in a flat spiral form on the periphery. The mass ring 13 can be provided by a process for forming a shallow cup in the central pa...
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JP2006051534A |
To provide a steel plate line-heating method capable of obtaining a large angular deformation and consistently obtaining the target angular deformation.The line heating of a steel plate is performed by selecting Tms and Tmr so as to sati...
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JP2006029498A |
To provide a method for manufacturing a brake shoe, capable of achieving economy and low-cost by minimizing material to be wasted.In this method for manufacturing, a rectangular metal plate is formed into a ring by plane bending, an oute...
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JP3739792B2 |
A rail frame assembly for a motor vehicle comprises a rearward frame module having a pair of generally parallel rearward frame rail members interconnected by a rearward cross-member assembly. A central frame module includes a pair of gen...
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JP3737667B2 |
To provide a forming press for a crank shaft capable of torsion- forming a crank shaft for a plural cylinder engine at a time, using one of tor sion cylinders. In the forming press, in which plural twisting dies D are rotatably held with...
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JP3733176B2 |
To obtain a bending device for adding twisting to a base stock by a simple constitution. This device has a positioning jig 6 on which a clearance through which a base stock 1 to be fed is passed, a bending jig 12 on which the clearance f...
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JP3117392U |
To provide a spiral muscle bending machine. In a kind of spiral muscle bending machine, a transmission shaft is placed and fixed on a molding device provided with at least a main driving wheel, a driven wheel, and a supply device, and is...
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JP2005349473A |
To provide a ring with flange having various cross sections formed by a method employing an improved existing apparatus.The ring with flange is formed from a straight flanged member with U-shaped cross section which has a base section an...
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JP3727784B2 |
To provide the method for deciding a heating point and a heating line in steel plate bending work by which the heating point and the heating line are decided without using a wooden pattern and which is useful for automatically deciding t...
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JP2005313176A |
To enable welding with a laser beam and plasma so as to improve the workability in assembling by increasing adhesive strength of an outer shell to the outer peripheral surface of an end plate without generating deformation on an intermed...
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JP2005305520A |
To obtain a bending device which has a simple structure and can bend a long workpiece to right and left directions.The bending device has a bending die 6 matching a bending shape and a bending arm 12 rotatable around the bending die 6. T...
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JP2005532912A |
The invention concerns a metal plate ( 1 ) comprising a peripheral edge ( 4 ), and opposite first ( 2 ) and second ( 3 ) surfaces. At least one sheaf ( 5 ) of several assembled rectilinear mutually parallel grooves ( 6, 7, 8 ) obtained b...
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JP2005288548A |
To easily fold a thick plate-like body especially a metallic plate without accompanying working time.A plate-like body folding apparatus which is provided with a fixed table provided with a top surface, an elevating/lowering table which ...
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JP2005228260A |
To provide a calculation method for obtaining distortion distribution required to shape plate material to objective curved surface, while giving a shape when developing a curved surface to a plane.This method consists of following proces...
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JP2005214459A |
To achieve compactness of outer size of a heat exchanger, and achieve universality of parts.The flat tubes 5 and 6 are formed flat to have a fluid passage inside, with both ends opened, and they are twisted close to opening end parts 13 ...
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JP3679932B2 |
To provide the method for deciding a heating point and a heating line in steel plate bending work by which the heating point and the heating line are decided without using a wooden pattern and which is useful for automatically deciding t...
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JP2005199304A |
To provide a cylinder manufacturing apparatus with which a non-flat cylinder is easily manufactured from a plate, and a non-flat cylinder of different diameter is formed with the use of a single mandrel resulting in enhancement in the ma...
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JP3675033B2 |
To suppress the variation in the working accuracy of a material to be worked in case where a clamping member is inclined at the time of imparting tension. A vertical deflection angle detecting sensor 101 for detecting an angle at which t...
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JP3669472B2 |
To easily and surely bend a flanged metallic member while making the flange of the flanged metallic member such as a flanged hollow metallic extruded material made of aluminum alloy inside. In this bending method, compressive plastic def...
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JP3661258B2 |
To improve the bending accuracy of a work in a three-dimensionally bending equipment. In this three-dimensionally bending equipment, a die inclining device 10 to incline a die 2 is provided, and the angle of inclination of the die inclin...
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JP2005515896A |
The invention relates to a forming tool ( 6 ) for construction member areas ( 2 ), comprising a forming device ( 10 ) and a fixing device ( 8 ), with which the construction member area ( 2 ) to be formed can be fixed relative to the form...
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JP2005125384A |
To provide a press-forming method with which even a press-formed product which is difficult to form need not be divided into a plurality of pieces to facilitate the forming, and the pressed article can be easily formed by performing the ...
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JP3648339B2 |
To simplify the constitution of the die for rounding, to enable the slight regulation of the die, to facilitate the slight regulation and to restrain work hardening at the time of forming to a minimum. In the continuous manufacturing dev...
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JP3630693B2 |
A wire netting, preferably used as a gravel screen or for protecting a soil surface layer is woven from corrosion-resistant wires and either fitted on the soil surface or secured in an almost upright position on a slope or something simi...
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JP2005506906A |
A method for cold forming a flattened, end-threaded rod into a U-bolt answers the need for high-strength steel rods that can be bent into flattened U-bolts by spring and suspension repair facilities or the like. By controlling the amount...
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JP2005052851A |
To provide a forming method and a forming device of a screw blade by which a metallic sheet is formed into a screw blade having a prescribed pitch by small force in spite of the size of the metallic sheet.By cutting a doughnut-like metal...
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JP2005034891A |
To provide a working method and a working device capable of eliminating a problem of spring-back at a low cost, and manufacturing bent strips of various kinds of shapes.In a metal strip bending method, a metal strip of bent shape can be ...
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JP3616196B2 |
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JP3604424B2 |
PURPOSE: To provide a method for manufacturing bended members by which the generation of ears which are apt to generate at the time of bending is smoothly prevented and a product having a desired quality is surely obtained. CONSTITUTION:...
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JP2004344914A |
To provide a ring-shaped member manufacturing method by which the welding time and the welding energy of both end parts of a ring-shaped member are reduced, and the amount of scattering spatter is also reduced.The ring-shaped member manu...
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JP3597441B2 |
A method of bending a composite panel comprises: forming an assembly of two flat face sheets (11,12), and a flat center core (13), the core (13) not joined to a portion of the second face sheet (12); while holding the first face sheet (1...
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JP3598584B2 |
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JP2004337969A |
To provide a method of manufacturing a bellows tube which has excellent efficiency of heat exchange, which can be easily miniaturized and the productivity of which is high.A bellows tube 10 is manufactured by a method having: a stage whe...
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JP2004330303A |
To provide a simplified manufacturing method of a wheel disc for an automobile which can improve a yield.In the method of manufacturing the wheel disc, a rectangular metal batten plate with a scheduled uniform thickness is cold-rolled to...
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JP3572616B2 |
A microprocessor controlled apparatus and method for processing sheet material into building panels for assembly into buildings. The sheet material is formed into a panel having a flat bottom and sides while the length of the formed pane...
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JP2004270916A |
To provide a double pipe, simple in manufacture, wherein contact between an outer pipe and an inner pipe can be made strong even at a gently bent spot and the generation of chatter can be prevented.In a case of a double pipe having an in...
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JP2004261823A |
To improve the quality by making a workpiece curvilinearly bendable into an excellent shape regarding a laser beam machining system for a bending line in which a line for bending the workpiece is formed by laser irradiation.The laser bea...
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JP3556903B2 |
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JP3558487B2 |
To precisely execute bending without receiving the influence of twisting in case of treating bending and twisting on a long size work. This device has a work feeder 10 to feed a long size work 2 of non-circular cross-section linearly and...
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JP3555904B2 |
PURPOSE: To efficiency bend a bar without causing a torsion on a bar by deforming a receiving base following the lowering of a punch and setting the axis of the bar and the axis of the center shaft of the receiving base in right angle. C...
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JP3555903B2 |
PURPOSE: To prevent a bar from slipping off and to prevent the generation of torsion on the bar by always setting the axis of the bar and the axis of a horizontal shaft of a receiving base in right angle with a positioning means. CONSTIT...
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JP3553573B2 |
PURPOSE: To manufacture a spiral-shaped cylindrical stator with good finish and ease by assigning each magnetic plate in spiral shape and relatively rotating at least an inner end part of each magnetic plate in the spiral direction again...
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JP2004202499A |
To provide a manufacturing method of a metallic ring-shaped rough shape material by which ring-shaped parts having parallel disk surfaces are economically obtained, also the yield of material when manufacturing the ring-like shape materi...
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JP3544312B2 |
To provide a press forming machine for a crank shaft which permits torsional forming in a state that a backlash causing the variation of torsional precision is suppressed and which enhances torsional precision. In this press forming mach...
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JP2004141960A |
To provide a bending method of blade material and a bending apparatus of blade material which performs bending in such a manner that the unprocessed part is not left on the end part of blade material when the belt-like blade material is ...
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