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Patent Searching and Data


Matches 701 - 750 out of 2,460

Document Document Title
JP3914516
To provide an electromagnetic forming coil of excellent durability and an electromagnetic forming method which enable magnetic field to be concentrated without using any magnetic flux concentrator. A conductive wire 1 having a structure ...  
JP2007029951
To provide a hydraulic forming apparatus with which connection and separation among a forming die, a shaft pusher and fluid pressure supply device can quickly and surely be performed.A joint mechanism of the hydraulic forming apparatus i...  
JP2007031802
To provide a method for working an ultrahigh-strength steel sheet showing superplasticity, without oxidizing the surface, causing the unevenness of the strength, and lowering the strength of the steel sheet after having been worked.The u...  
JP2007014970
To provide a hydraulically formed article whose structure is simple and which has excellent strength.A preformed body comprises hollow-like outer surface parts 12 which have a first and a second outer surfaces 20, 50 having edge parts 22...  
JP2007015543
To provide an energy absorbing member having excellent energy absorbing performance and restricted in increase of the weight.This energy absorbing member has a twisted part 120 having third-dimensional structure formed by screwing around...  
JP3904068
To provide spacers for drive pinions by hydroforming, and to provide a production method therefor. A material pipe 1 is subjected to hydroforming to produce spacers 10 for drive pinions used for the differentials of a vehicle. The materi...  
JP2007007717
To provide a hydraulically formed member the parts of which have excellent strength, whose weight and cost can be reduced.This member is a hydraulically formed member 10 which is formed by making a preformed body deform by bulging by imp...  
JP2006334662
To provide a hydroforming method and its apparatus which dispense with a superhigh pressure generating pump.By this hydroforming method, the interior of a pipe-shaped member 15 is sealed up by bringing an outer 17 into contact with the o...  
JP2006335343
To provide a beam having a structure with excellent fatigue durability, and a manufacturing method capable of obtaining the beam at low cost.The beam has a structure consisting of right and left shaft tube parts, a center part, and right...  
JP2006334658
To provide an aluminum alloy tailored blank for superplastic forming with which blow forming can be performed without causing poor shaping or fracture, and superplastic forming also can be performed to manufacture a large formed product....  
JP2006334596
To provide an execution method in which the execution can be easily performed in a short time, and the residual tensile stress exerted in an inner surface in a vicinity of a welded pipe portion is turned to the residual compressive stres...  
JP2006334625
To facilitate the control of a forming gas pressure, to shorten forming time, to improve forming precission and to simplify an apparatus configuration by uniforming the forming rate of a super-plastic diffusion-bonding panel.Plates 51, 5...  
JP2006326619
To provide a hydroform apparatus for a metallic sheet and a hydroform process therefor by which any crack or wrinkle is not caused even when forming a formed article having high strength and complicated shape.The hydroform apparatus has ...  
JP2006315010
To provide a core for hydrostatically bulging a tubular material and a forming method of a hollow member using the same by which the hollow member having the amount of bulging not smaller than that of conventional methods is obtained eve...  
JP2006312189
To provide a hydraulic forming method capable of feeding a plate to a hydraulic pressure chamber without buckling the plate even when the metal plate to be formed is thin when performing the hydraulic forming of the plate, and a hydrauli...  
JP2006305577
To provide a manufacturing method of a formed product which is partially reinforced, in which the difference between diameters in a reinforced part and portions other than it in the external shape of the formed product which is partially...  
JP2006297462
To provide a hydroforming capable of consistently ensuring the seal performance between a hydroforming mechanical seal and a stock tube.The hydroforming device comprises a fluid pressure feed unit to feed the fluid pressure into a stock ...  
JP2006298236
To provide an axle housing for reducing manufacturing cost and weight, and a hydroforming method and device.The axle housing 1 wherein tube material 21 is housed in a die 22, and fluid pressure is applied to the inside of the tube materi...  
JP3872969
To provide a soluble lubricating surface-treated metal product for hydroforming used when a metal pipe such as a steel pipe, an aluminum pipe or the like is mounted in a mold and pushed into the mold in a pipe axis direction by applying ...  
JP2006289445
To obtain a mold for hydroforming, which generates no crack in itself, causes no transferring of split lines of cores, can form a product with a small corner radius, is manufactured at a low cost, and has a simple structure.The mold for ...  
JP3867201
To provide a method for manufacturing a metal bent pipe having a bulge capable of making manufacturing costs inexpensive. The method for manufacturing the metal bent pipe having a bulge is characterized in that the method is a manufactur...  
JP3866203
To provide a method and a device suitable for automating a process in a comparatively considerable range, while being characterized by simplified design of the device. This device for joining assembled hollow shafts is composed of attach...  
JP2006272415
To provide a hot blow moldability evaluation apparatus capable of measuring molding temperature, molding height, plate thickness, and strain velocity of an object to be molded without contact during blow molding with good accuracy and ea...  
JP2006272451
To provide a metal bend having a sectional shape for components, and its manufacturing method in which the material reduction in the bending is suppressed, a sectional shape deformed in the axial direction is compatibly realized, the cos...  
JP2006272393
To provide a hydraulic forming member having a branch section of satisfactory strength.The hydraulic forming member has an outer surface section equipped with a branch section 112 having an overlapped and joined marginal part 160, extens...  
JP2006272372
To provide a production method of a tubular member capable of easily laminating both ends of the tubular member like a sandwich satisfactorily welding both ends while butting both ends in this state, thereby obtaining the desired tubular...  
JP2006263752
To provide a hydroforming method capable of swelling a part of a hollow work to be hydroformed to be large outwardly without being affected by the thickness of the workpiece, and preventing occurrence of any wrinkles or thickness reducti...  
JP2006263753
To provide a hydroforming method capable of swelling a part of a hollow workpiece to be hydroformed to be large outwardly by moving the workpiece without any friction resistance, and preventing occurrence of any wrinkles or thickness red...  
JP2006264769
To provide a packaging container which is provided with a high fracture limit, is free from a scratch and contamination on the inside face of the container and is free from the danger of beverage leakage, and to provide its production me...  
JP2006255750
To provide a method of manufacturing a metallic structure member having excellent strength at a reasonable manufacturing cost.This method compeises: a stage for forming a preformed body 20 having a part where work hardening on the basis ...  
JP2006255746
To provide a manufacturing method of a laminated heat exchanger which has high reliability and can keep strong joinability.In the manufacturing method of the laminated heat exchanger comprising a core part 11 in which flow passages 15 of...  
JP2006255785
To provide a structure and a method capable of stably and inexpensively performing an operation to form a through-hole 5c in a part of a side wall 14 of a swelled part 7a formed by plastically deforming a part of a metallic tube 3 outwar...  
JP2006257526
To manufacture a hot rolled steel sheet for hydroforming which has strength of ≥500 MPa and has excellent hydroformability without cracking in bulging by hydroforming.The hot rolled steel sheet for hydroforming having tensile strength ...  
JP2006255709
To provide a method for hydroforming, which method can control the material flow in hydrobulging without adopting special welding patterns as a laminated plate, and further without increasing the number of processes.An overhang 10c is pr...  
JP2006255726
To provide a hydroforming method by which hydroformed parts having a long straight tube part can be formed and a shaft-pushing punch used for the working.By hydroforming a metallic tube 2 while forcing the metallic tube 2 with the shaft-...  
JP2006247723
To provide a hydroforming device and process which can mold an untreated pipe at a large expansion rate.The invention relates to the hydroforming device 2 which molds an expanded section 52a in a part of the untreated pipe 1 held in a mo...  
JP3854812
To provide a strength member for an automobile being light in weight, having excellent shaft collapse performance and high bending strength performance, and capable of preventing the occurrence of a crack even when using a high strength ...  
JP2006239741
To provide a hydro-piercing method which can properly prevent the overrun of an axis push and can form a pierced hole of high dimensional accuracy.The invention relates to the hydro-piercing method in a hydroforming process. In the metho...  
JP2006239771
To provide a manufacturing method by which a double pipe having an outer pipe part which has high rigidity is manufactured even when a thin tubular material is used.After forming a collar part 12 by expanding the lower end part of a tubu...  
JP3851769
To reduce the costs for dies and equipment and the processing costs and shorten the processing time by introducing such an arrangement that the body of suspension member and arms are formed through one run of decompression molding proces...  
JP2006233816
To provide a manufacturing method of a screw rotor, easily capable of plastically working even a high strength pipe-like workpiece, and improve the productivity.In the manufacturing method of the screw rotor 1 having a spiral tooth 2 and...  
JP3847102
To provide a structural member and its production method to obtain a sufficiently high strength with a simple process. By turning on a switch SW connecting to a cable 16, the electric power is supplied from a cable 16 to an electromagnet...  
JP3848185
To require no prebending nor annealing incidental to it and to reduce the number of processes compared with a conventional machining method. A pipe P is set on the left and right split dies 1, 2 which are formed by dividing a pair of upp...  
JP3847224
To provide a method for manufacturing a coil for an electromagnetic expanded tube which can uniformly deform a work at the electromagnetically expanding the tube, and which can manufacture a coil for an electromagnetic expanded the tube ...  
JP3848909
To provide a hydrostatic forming method by which excessive pulling-in of the end part of a tubular work in toward the middle area in the length direction of the axis of a work is restrained when performing hydrostatic forming and the sup...  
JP3843851
To provide a roll bond panel having grooves and ribs on an inner face of a hollow duct. Faces provided with a group of fins 4 of metallic plates 1, 2 respectively provided with the group of fins 4 on a central part of its one face in suc...  
JP2006218526
To provide an apparatus and a method of hydroforming, by which, the generation of friction between a pipe material and dies can be suppressed.The hydroforming apparatus 1 has a pipe expanding portion 18 formed in a die 2 so as to expand ...  
JP2006218503
To provide a method and an apparatus of hydroforming, by which method and apparatus, when a curved member is manufactured by the hydroforming, the improvement of productivity and the reduction of a cost can be achieved, and also the occu...  
JP2006218494
To provide an apparatus and a method of hydroforming, by which, a pipe material can be expanded at a large expansion ratio without bursting the pipe material.The hydroforming apparatus 1 for expanding a required portion of the pipe mater...  
JP3843222
To provide a frame for devices which can be easily manufactured in a large size and in which the waste in the selection of material is eliminated and the manufacturing cost is suppressed. This frame consists of a laminated structure of s...  

Matches 701 - 750 out of 2,460