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Patent Searching and Data


Matches 601 - 650 out of 2,449

Document Document Title
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...  
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 ...  
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...  
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 ...  
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....  
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...  
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....  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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,...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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-...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  

Matches 601 - 650 out of 2,449