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Patent Searching and Data


Matches 651 - 700 out of 2,449

Document Document Title
JP2008055459
To provide an inductor for forming an electromagnetic expanded tube, which has satisfactory cooling properties, excellent strength, and a high level of durability.This inductor for the electromagnetic expanded tube is inserted into a tub...  
JP2008044232
To provide a manufacturing process of a laminated metal sheet workpiece which has both high strength and high rigidity and is lightweight, and does not impair the appearance i.e design.A metal plate 1 is pressed against a metal or concre...  
JP2008028349
To provide an inductor for electromagnetic formation, which allows a forming material to be formed into a complex shape, such as a three-dimensional shape, at high efficiency and at low cost, and to provide a manufacturing method therefo...  
JP2008006463
To provide an apparatus and a method for forming a material, by which apparatus and method, the forming accuracy of the formed material can be improved.The apparatus 10 for forming the material comprises a die 14 on which a workpiece mat...  
JP2008006462
To provide an apparatus and a method for forming a material, by which apparatus and method, the forming accuracy of the formed material can be improved.The apparatus 10 for forming the material comprises a die 14 on which a workpiece mat...  
JP2007185697
To provide a machining method and a machining device enabling the machining of a metallic tube into a shape having a bulged part between bent parts, which machining requirs both of rotary draw bending and hydroforming, and has been hithe...  
JP2007180070
To provide an inductor for electromagnetically forming in which a member to be formed in a three-dimensional solid shape can highly efficiently be formed and which is superior in durability, and to provide a method of manufacturing the s...  
JP2007175777
To provide laser peening for forming a larger curve in thicker metal sections by generating strong stress fairly deep in a component.A light beam of 10-100 J/pulse is imaged to create an energy fluence of 60-200 J/cm2 on an absorptive la...  
JP2007175728
To prevent the buckling of a cylindrical body 2 when performing outward curling work by pressing the end parts in both side parts 2b, 2c in the axial direction with curling dies 5, 5 after forming the cylindrical body 2 composed of a dro...  
JP2007160357
To provide a super-plastic blow molding method capable of preventing breakage or cracking.A plate 100 to be worked consisting of a super-plastic material is arranged in a die, and the gas pressure is applied to the plate 100. A molded bo...  
JP3968047
To provide a hydroforming die and a hydroforming method with which a formed product whose expanded tube portion is long and which has high expansion ratio can be obtained, and hydroforming method. The hydroforming die is a pair of dies t...  
JP3965563
To provide a welded steel pipe which has excellent hydroforming properties, and to provide its production method. A welded steel pipe having a composition containing, by mass, 0.05 to 0.3% C, ≤20.% Si, >1.5 to 5.0% Mn, ≤0.1% P, ≤0....  
JP2007130664
To provide a forming die for hydroforming work and a working method by which occurrence of cracks and thin parts on a material to be worked is prevented even in parts where thickness increasing effect by axial pushing can not be sufficie...  
JP3949513
To provide a metal mold for superplastic working, with which molding is carried out keeping a material at a desired temperature without mounting a material heating heater or a heating block on the metal mold. A gas blowing port 26 for bl...  
JP2007105788
To provide a method by which the formed height of a bulged part is made higher and the nose can be pierced at the same time as hydroforming when manufacturing a branch pipe having the bulged part the nose of which is opened by the hydrof...  
JP3945876
To provide the ultra plastic forming system capable of controlling a distortion speed of an ultra plastic material more accurately, and of obtaining an excellent ultra plastic forming. According to the ultra plastic forming system, a sha...  
JP3943328
To provide a hydroforming die device and a hydroforming device capable of reducing the costs of a die and facilities and shortening a set-up time. A hydroforming die device A is provided with a cavity 15 in which a work W is arranged, a ...  
JP3943926
To provide a hollow structural member enhancing the strength of a connecting portion with another member without increasing weight, and making lightweight and rigidity improvement compatible. A bulging portion 12 is provided at a positio...  
JP2007090353
To provide a hydrostatic formed article having good strength at a low producing cost.This formed article is provided with side edge parts 112, 132 which are joined while overlapped, and extend from peripheral edge parts 111, 131, side wa...  
JP3939286
To obtain a flanged tubular member such as a bumper stay having larger outside diameter than the diameter of a shaft part by electromagnetic forming without performing unreasonable expansion of the diameter. This member is composed of a ...  
JP3939323
To provide a connecting structure in which flanges which abut on parts to be attached of other members ( including a bumper reinforce and side members ) are fixed to one or both ends of a shaft member by electromagnetic forming in such a...  
JP3936831
To provide a method for surely, highly reliably and rapidly manufacturing a heat transmit plate of a flat type having an intricate structure bonding metallic plates to each other with high yield by using electric resistance welding, then...  
JP2007075899
To provide a process for producing a tubular base ring with beads in which a metal mold 156 having grooves 151, 152 is disposed adjacent to the outer circumference of a tubular base ring 1, a coil 157 for electromagnetic forming is dispo...  
JP2007075844
To provide a bulged product and a bulging method for forming work hardening on a required part without any additional step or any special device when performing the hydrostatic bulging of a metal plate or a deformed tube.Fluid is poured ...  
JP2007069241
To provide a method and an apparatus for rotary type blow-molding capable of enhancing the added value, increasing the production rate, and reducing the production cost through the blow molding for matching the pattern of a container wit...  
JP3928038
To provide a structure of pseudo hollow metal balls which is capable of effectively absorbing impact energy from all directions, is high in the percentage of voids, is excellent in deformability and further has a high strength, and a lam...  
JP3928037
To provide a structure capable of efficiently absorbing impact energy from all directions and having high void, excellent deformability and continuous pseudo hollow metal balls of high strength, and a laminated structure thereof or the l...  
JP2007063601
To provide an aluminum alloy sheet for hot blow forming which can be formed without applying a release agent to a die, has excellent releasability, and further can evade the generation of flaws caused by sliding between the die and a for...  
JP2007061829
To provide a sheet hydroforming product which is excellent in repeat accuracy, with which good dimensional accuracy and shaft collapse property are secured and collision energy absorptivity is improved.This product is the sheet hydroform...  
JP2007061842
To provide an aluminum alloy plate for hot blow molding, which aluminum alloy plate can be formed without applying a release agent to a metallic die, and is excellent in mold releasing property, and can avoid the generation of the defect...  
JP3924880
To provide an integral forming method of superplastic metals, in which the lowering of strength characteristic is restrained. Gas holes 7, 8 for inert gas flowing, through which a joining unnecessary zone composed of the supperplastic me...  
JP3927428
To provide a device and a method for hydroforming, where stable production can be conducted without causing defective processing even when the size or the material characteristics of a metallic tube are changed. The hydroforming is carri...  
JP3925689
To reduce cost and weight and to improve freedom of layout. This hollow member is a side member 2 of a suspension member for a vehicle without a joint in the circumferential direction of a hollow body 12, provided with the body 12 and a ...  
JP2007050433
To avoid residual deformation in a product manufactured by bulging.A bulging die 14 for carrying out the bulging work comprises a lower die 16 and an upper die 18. An insert die 24 having a flat part forming portion 22 is arranged in the...  
JP2007050432
To provide a bulging method which can make the thickness of a product almost uniform, and can easily form a required shape even in an uneven shape portion having an unsymmetrical cross section in the right and left direction.First contac...  
JP2007044714
To provide a method for forming a hollow formed body having complicated and ununiform cross-sectional shape from a hollow tubular material.The method comprises a liquid pressure forming stage where a liquid pressure is applied to the ins...  
JP2007044727
To provide a method and a device for producing a press formed article where the increase of cost is suppressed, and an inverse shape can be satisfactorily worked.In the method for producing a press formed article where a work W as a plan...  
JP3916322
To save an attach/detach work labour while securing a sealing performance being equivalent to the conventional one. This device is a fluid pressure bulging device for carrying out a swell processing of a pipe by combining a molding inner...  
JP3917553
To provide a method of forming a bulged surface on a metallic sheet by which a metallic container having a bulged surface is manufactured at low cost and in a short delivery time because a die and a forming die requiring a high manufactu...  
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...  

Matches 651 - 700 out of 2,449