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JP2009262207 |
To provide a sheet hydroforming method of a laminated metal sheet which is advantageous cost-wise by means of a laminated metal sheet on the edges of both sides of which a locking projecting part is formed.The hydroforming method of the ...
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JP2009262176 |
To apply working of not only punching and bulging but cutting/raising or the like.In a hydroforming die 20 in which: a cavity for housing a workpiece 11 having a closed cross section is formed on the die body 21; a slide hole 26 which is...
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JP2009255139 |
To provide an apparatus for forming a conical spring by which a highly accurate conical spring is obtained at high speed and at low cost by performing helical shearing work without having the slit width and forming of a spring in one pro...
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JP2009233676 |
To provide a technique of successively forming bulges capable of being executed without causing defects such as cracks in a molding even if bulges having an angle near to a right angle are successively formed on a sidewall face (inclined...
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JP2009227153 |
To provide a hollow structure, and a method for manufacturing the same, providing an energy absorption function to compression force both in the axial direction and in the radial direction, while achieving high strength to axial tension ...
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JP2009220148 |
To provide a method and an apparatus for press-forming a metal sheet, which prevent any crack or wrinkle in a formed product, and is applicable to a mass-produced molding.This invention relates to the method for press-forming a metal she...
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JP2009220141 |
To provide blow molding technique by which heating time is enough to be short and highly strengthening process can be adopted.The apparatus 10 for manufacturing pipe products is composed of: a blow molding mold 13 which includes a lower ...
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JP2009214154 |
To provide a bulging method and a bulging device wherein prevention of leakage of pressured liquid, and high speed and high accuracy of tube expansion molding are attained and thereby the occurrence of variation of products is prevented....
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JP2009214123 |
To provide a hydroforming apparatus capable of accurately positioning metal plates in welding and capable of positioning a common portion both in welding and hydroforming, and a hydroforming method.A hydroforming apparatus 1 clamps two m...
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JP2009214156 |
To provide a bulging method and a bulging device, wherein prevention of leakage of pressure liquid, and high speed and high accuracy of tube expansion molding are attained and thereby the occurrence of variation of products is prevented....
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JP2009208577 |
To provide a manufacturing method for torsion beam, which reduces a molding force.The manufacturing method for torsion beam 2 has a first process and a second process. The first process makes a punch 8 press a part of a peripheral wall o...
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JP2009197258 |
To provide a molded article molded by high temperature pressurized gas molding and a method for producing the molded article by high temperature pressurized gas molding achieving the stable feed of a molded article having excellent corro...
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JP2009172660 |
To provide a method and an apparatus for press-forming a metal plate by which cracking is suppressed and the dimensional accuracy is improved without lowering a production rate.A material 10 is preformed by increasing or decreasing the p...
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JP2009174006 |
To provide a steel tube for hydroforming having excellent THF (tube hydroforming) characteristics, a hot rolled steel sheet as a stock for the steel tube, and their manufacturing methods.The steel sheet and the steel tube are characteriz...
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JP2009161040 |
To add a reinforcement member to the inside of a cross section of a closed cross-section member, in a vehicle body frame member having the closed cross-section member manufactured by hydroforming or the like, by using a mass-production m...
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JP2009154563 |
To make cross-sectional peripheral length, plate thickness and a raw material different depending on longitudinal positions, while restraining cost increase, in a tubular vehicle body frame member and its manufacturing method using hydro...
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JP2009154163 |
To provide a method of forming a metal plate by which fine parts of an ultra thin sheet can easily and highly precisely be formed.The ultra thin sheet 3 is installed on and fixed to a die 2 having a fine recessed shape 1 which is a targe...
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JP2009135049 |
To manufacture a superconductive high frequency acceleration cavity having no bead line due to welding without requiring time and effort at a low cost.In a method of manufacturing a superconductive high frequency acceleration cavity, an ...
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JP2009125764 |
To provide heating device capable of uniformly heating a workpiece in a short period of time.The heating device 1 is used for heating a plate-like workpiece 9, and includes a heating plate 2 on which the workpiece 9 is placed; a heater 3...
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JP2009119524 |
To provide a method for economically manufacturing a metal hollow structure suitable for a product having a small, thin and minute shape.The invention relates to the method for manufacturing the metal hollow structure comprising at least...
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JP2009108168 |
To provide a hydroforming lubricant, which exhibits excellent lubrication and seizure preventing performance to prevent break, buckling, damage on the surface during a hydroforming process and can be removed after the molding process; a ...
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JP2009108169 |
To provide a hydroforming lubricant, which exhibits excellent lubrication and seizure preventing performance to prevent break, buckling, damage on the surface during processing even when highly precise hydroforming processing is carried ...
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JP2009101389 |
To extend the number of times of services of a coil 1 for electromagnetically expanding a tube by mitigating electromagnetic force which acts on the lead wire 3 of the coil 1 for electromagnetically expanding the tube in the range 1b whe...
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JP2009066642 |
To provide an electromagnetic forming device for a thin sheet where a groove part and a bearing surface part can be simultaneously formed for only one time at high efficiency and with high precision, and to provide a metallic thin sheet ...
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JP2009050877 |
To provide a method of accurately and easily manufacturing a curved pipe with bellows.A curved pipe 1 is formed by plastically deforming a pipe stock so that its axis is curved. The curved pipe 1 is then housed in curved groove-like inne...
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JP2009054808 |
To provide a long-lived coil for pulse magnetic forming which suppresses the occurrence of a gap during impregnation with resin, and to provide its manufacturing method.A peripheral surface of a shaft portion of a bobbin 2 made of an ins...
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JP2009045672 |
To provide a method of hydroforming in which a hollow aluminum extruded material by port hole extrusion by which expanding and forming equal to a mandrel extruded material are made possible is used.This material is a hollow aluminum extr...
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JP2009028761 |
To manufacture a hollow integral molded article which are molded with a female die and simultaneously hollow parts are surely formed inside the article by hot blow molding.After stacking an upper sheet 7 and a lower sheet 8 of two superp...
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JP2009030056 |
To provide a use of ionic liquid for non-cutting forming of metal members.This invention relates to at least one ion liquid or mixtures of ion liquids for the non-cutting forming of metal members.
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JP2009012666 |
To provide a steering column, of simple constitution with a small number of parts, which is high in precision and is capable of effectively coping with a secondary collision.A nut 103b is engaged with a bolt 103a of a lower bracket 103 t...
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JP2009006354 |
To provide a method for manufacturing metallic pipe fittings, by which method sealing property can be secured even when high internal pressure has been applied in order to form a nearly bellows-shape portion, and further to provide a die...
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JP2009000747 |
To provide an electronic casing and a method for manufacturing the same.The method for manufacturing the electronic casing includes following steps. Step (a): a metal laminate and a die of a predetermined shape are provided. The metal la...
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JP2008307592 |
To provide an explosive working method which utilizes explosives, can controls cracks, strain, joinability or the like after working, and is low in cost and improved in productivity and safety.In the explosive working method, a self-reac...
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JP2008302404 |
To provide a hydraulic forming method for a laminated plate and an apparatus therefor where, even in a preform having a hollow part, the reduction of the plate thickness in a flange part after forming does not occur.In a state where a mo...
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JP2008302751 |
To provide a steering column device capable of suppressing the eccentric contact of an outer column and an inner column at a low cost.Since the inner circumferential surface of the outer column 3A has a plurality of protrusions, that is,...
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JP2008284612 |
To provide a technology capable of suppressing heat energy loss and raising productivity in superplastic molding.As soon as molding is completed, immediately an upper die 62 is raised according to the arrow (4) in Figure (b), an arm comp...
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JP2008284611 |
To provide a hydroforming device, which is compact and can be driven with low electric power.The movement of dies between the open condition and the closed condition is controlled by a hydraulic cylinder. When the forming cavity is fille...
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JP2008164026 |
To provide a piping joint device capable of preventing rotation of a first piping member and a second piping member without increasing the number of parts and its manufacturing method.The piping joint device is provided with the first pi...
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JP2008155227 |
To produce hydroforming conditions which are optimum to take the variation of thickness and strain into consideration which are generated during forming and to satisfy a desired fatigue life.The hydroforming conditions are determined by ...
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JP2008149343 |
To propose such technique in which the strength is improved while balanced as a whole in terms of an expanded member to be worked.This invention relates to a tube hydroforming method where, in the cavity 2 of a die which is hermetically ...
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JP2008149357 |
To provide a steel pipe for hydroforming with which hydroforming having the high amount of bulging is performable without generating wrinkles and cracks by comparatively simple operation.This pipe is a steel pipe 1 for hydroforming in wh...
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JP2008142742 |
To provide a hydrostatic forming apparatus capable of adequately shifting a material of a plate to be formed when filling a liquid in the hydrostatic forming.The hydrostatic forming apparatus is equipped with an upper die 1 and a lower d...
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JP2008142720 |
To provide a blow molding apparatus capable of ensuring the sealability during the molding and preventing breakage of a work.In the blow molding apparatus for performing the blow molding by holding a work 3 by an upper mold 2 and a lower...
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JP2008126250 |
To provide a trial product having desired characteristics inexpensively by developing a hydroforming process without needing any complicated mold, thereby manufacturing the trial product or the like by the hydroforming process.A forming ...
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JP2008119723 |
To provide a hydroforming apparatus and a hydroforming method, by which apparatus and method, a product having excellent sealing property can be manufactured by deep drawing without welding all of peripheral portions of two or more metal...
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JP2008110349 |
To dispense with a short pipe member when mounting a nut for bolt fastening on a hydroforming article, to prevent a difficulty in hydroforming for mounting a nut from increasing, to lengthen the length of a nut so as to secure a sufficie...
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JP2008105053 |
To provide a hydroform process having high safety which is hardly affected by the variance of a material.In the hydroform process, the internal volume Vz during the process of a product which can be calculated by formula Vz =((V0+Vi0)(R-...
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JP2008093728 |
To provide a die composed of materials which are suitable to blow molding.A molding die 14 is constituted by dividing the die into a central die 16 having a product shape part 13 and a peripheral die 17 enclosing the central die 16, the ...
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JP2008093721 |
To provide a technology capable of suppressing the deformation of a blow-molded product by preventing a large force from being applied to the blow-molded product when releasing a die from the blow-molded product.In a releasing method of ...
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JP2008093719 |
To provide a technology capable of suppressing the deformation of a blow-molded product by preventing a large force from being applied to the blow-molded product when releasing a die from the blow-molded product.A die 25 for blow molding...
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