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JP2008093717 |
To provide a technique by which the thickness of formed product which is obtained by superplastic forming can be simply controlled and the superplastic forming can be simply performed.A forming method is for forming a material composed o...
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JP2008078594 |
To provide an improved flat coil for electromagnetic formation without increasing the thickness of a coil board by obviating the defect of prior art that the flat coil board is so thin that the end part of the coil of slit is easily defo...
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JP2008068271 |
To provide blow molding technique by which the degree of freedom in equipment layout can be raised by contriving reduced cost through miniaturization of the molding apparatus.The blow molding apparatus 10 has a cylindrical vessel 30 prov...
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JP2008062255 |
To provide a molding method where superplastic molding for a 6,000 series aluminum alloy sheet can be performed, and also, the generation of cavities upon the superplastic molding can be reduced.In the superplastic molding method for an ...
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JP2008055428 |
To continuously form bulge having a desired shape on a pipe material by hydraulic forming.A working segmental die 34 is set by matching to the position of necked parts of a pipe material P which is necked, charged into a cylindrical cove...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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