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Patent Searching and Data


Matches 551 - 600 out of 2,457

Document Document Title
JP2012076138
To provide a method for manufacturing a superplastic molded product capable of obtaining a high-strength superplastic molded product using a heat treatment-based aluminum alloy and reducing the processes.The method for manufacturing a su...  
JP2012061501
To improve strength of a screw shaft and make it easy to control a length dimension when forming the screw shaft for a ball screw by bulging work.A tube p is inserted into a cylindrical bulging mold 21 having a screw forming surface 21b ...  
JP2012055969
To provide autofrettage processing that can reduce attrition in a part, which is caused by wear, as much as possible.The autofrettage apparatus inserts a piston (42) into an inner pressure chamber (IC) at a predetermined supply speed (v)...  
JP2012040604
To provide a method for easily manufacturing a square pipe-like molded product having proper shape by molding a pipe-like metal material.The manufacturing method includes: a preliminary molding step for molding the pipe-like metal materi...  
JP2012020326
To provide a hollow extruded material of an Al-Mg-Si-based aluminum alloy capable of increasing strength in the vicinity of a welded part and increasing an expansion rate, and capable of achieving a workpiece with an even plate thickness...  
JP2012011422
To provide a structure of a tube member, which increases the strength against a bend, a torsion and the like by a slight enlargement of a cross section without an increase in weight, and to provide a method for manufacturing the tube mem...  
JP2012000654
To provide an apparatus for manufacturing a metallic pipe with a flange capable of performing blow-molding by using a blow-molding die, and forming a necessary flange by pressing a molded article by continuously using the same mold (the ...  
JP2011245965
To provide a carriage which is attached rotatably to the under part of a vehicle body of a railway vehicle, and which has a side beam formable by pipe materials.A carriage frame FR constituting the carriage includes: a pair of side beams...  
JP2011240381
To provide a manufacturing apparatus capable of reliably preventing a forming die from die opening caused by a molding pressure, and easily carrying a material into the forming die and easily carrying a molding out from the forming die, ...  
JP2011235354
To provide a molding apparatus of a multilayered structure having a plurality of die cavities.One or more constraining members each pulls both a stripper 20 provided in a molding die 12 and an adjacent sealing die 32 at two ends to strip...  
JP2011230188
To provide: a convenient and economical metal plate press-forming step with a fine line pattern, capable of forming a fine line simultaneously with forming a housing; a press-formed metal housing thereby; and a method of forming a fine l...  
JP2011212694
To provide an energy absorbing member capable of preventing increase of production cost by a new die design or addition of plural processes and being manufactured at a low cost without reducing energy absorbing performance.A cylindrical ...  
JP2011195912
To provide a 6,000 series aluminum alloy hollow extruded material for high temperature expanded tube forming, wherein the coarsening of the crystal grains of a formed article can be suppressed, and the generation of cavities can be reduc...  
JP2011194473
To provide an inductor for electromagnetic forming by which formed materials having a complicated shape such as a solid shape are formed highly efficiently and at a low cost, and a method for manufacturing the same.The inductor 10 for el...  
JP2011190518
To provide a method for softening an aluminum or aluminum alloy member, by which a work-hardened part of the workpiece made of aluminum or aluminum alloy can be locally and efficiently softened, and the workpiece suitable for partial sof...  
JP2011187504
To provide an inductor for electromagnetic pipe for prolonging the service life prolonged by improving the durability by means of reduction in the electromagnetic reaction force acting on a coil conductor and reduction of shear stress ac...  
JP2011177730
To simply mold a bulging part by applying a pressing force in an axial direction to a portion where the bulging part of a metal tube is formed.A die for carrying out bulging processing is divided into three of a first die 2, a second die...  
JP2011177793
To achieve improved computer control of a forming process, such as a pressure-ram-forming procedure, in a hydroforming operation for a hollow metal article within a die.The invention provides a method of decreasing cycle time of the form...  
JP2011152586
To provide an apparatus and method for manufacture of a vehicle driveshaft, which makes use of a PMF process.The coil device used in the PMF apparatus is assembled around the shaft from two or more coil sections 42, 44 attached to each o...  
JP2011136364
To provide a method for manufacturing a corrugated tube which has sufficiently high dimensional accuracy and requires less manufacturing time and labor.The corrugated tube 1 comprises a hollow bellows part 4 which has at least three adjo...  
JP2011131219
To provide a method for forming a pipe member capable of achieving reduction of weight, reduction of working man-hours and the number of parts and stabilization of bending accuracy.The method for forming the pipe member is used for formi...  
JP2011121083
To provide an inductor for electromagnetically expanding and forming a tube, which has improved durability and a prolonged service life by reducing electromagnetic reaction force acting on the lead wire of a coil to reduce the shearing f...  
JP2011104612
To provide a tubular body expanding and contracting method for forming a tubular body which has a polygonal cross section shape, in which the ratio of ridge parts to valley parts is large, and in which the sectional shape is not fixed, b...  
JP2011083785
To provide a hydraulic pipe expanding and forming machine which can be incorporated into the progressive die and the transfer die of a general purpose press without the need of a hydraulic pressure generating device.When an upper die 1 s...  
JP2011079015
To provide a warm electromagnetic forming method for an aluminum material, where, in the body to be formed made of aluminum or an aluminum alloy, which can easily form a shape hard to be formed such as a corrugate fin without increasing ...  
JP2011073015
To provide a method for machining a material tube capable of reducing man-hour for work and improving work efficiency by eliminating welding connection or minimizing it, and also to provide a machining apparatus, and further to provide a...  
JP2011073052
To provide a method for electromagnetically forming an aluminum material capable of magnetically forming a component of the aluminum material which has high proof stress but is hardly electromagnetically formed, a hardly machinable compo...  
JP2011045930
To provide a sealing method which eliminates scrap or minimizes the quantity of the scrap.The invention relates to a method for sealing a net shape on the end of an end-product tube 30 against the end of shapes in a wide range of product...  
JP2011031261
To improve production efficiency of molding of a cylinder 4.A method for molding the cylinder 4 includes: a step (P1) for heating the cylinder 4 set in a press molding machine (molding device) 3; a step (P2) for supplying water into the ...  
JP2011031265
To provide a hot bulge forming apparatus capable of suppressing generation of a sink mark at a center portion in the length direction of a workpiece.In the hot bulge forming apparatus 1, a preliminarily heated tubular material 10b is pla...  
JP2011031290
To reduce the working cost of a formed tube by recognizing the degree of damage of an insulating resin around a lead wire quantitatively, diagnosing service life of an electromagnetic forming coil with high precision on the basis of the ...  
JP2011020137
To provide a hot forming apparatus for a metal tube capable of fundamentally solving heat transfer problem of a metal tube by contact with a mold, and also to provide a hot forming method using the same.The hot forming apparatus for the ...  
JP2011020170
To provide a hot bulge forming apparatus capable of suppressing the production cost.A hot bulge forming die forms a preheated tubular material 10d. The hot bulge forming die includes a lower die 21B having a cavity surface 211B, and an u...  
JP2011016160
To provide a hydraulic forming nozzle, a hydraulic forming apparatus and a hydraulic forming method which can suppress unnecessary discharge of a pressurized fluid in hydraulic forming.The hydraulic forming nozzle comprises seal parts 20...  
JP2010284676
To propose a hydroforming apparatus and a hydroforming method which, even in mass production by hydroforming using a movable mold, can prevent damage to an edge portion of the movable mold and can prevent a trouble such as cracking due t...  
JP2010239113
To provide an electromagnetic pipe expanding inductor in which formation of voids during resin impregnation is suppressed, and electromagnetic reaction forces acting on a conductor circumference and on an interface between a shaft portio...  
JP2010221232
To improve the quality of a formed part.In a first step, a hollow preformed part is formed by locally heating portions to be heated which is set in the predetermined places of a pipe stock, pressurizing the pipe stock from both ends and ...  
JP2010167432
To provide a hydraulic forming nozzle, a hydraulic forming apparatus and a hydraulic forming method by which the unnecessary discharge of hydraulic fluid during hydraulic forming is suppressed.This apparatus includes: a base block 10 int...  
JP2010099738
To solve a problem that it is difficult to obtain a formed article of deformed cross-section with high dimensional accuracy excellent in spot weldability in a conventional technology for forming deformed cross-section.Crushing work is ca...  
JP2010099737
To provide a method of obtaining a formed article of deformed cross-section with high dimensional accuracy excellent in spot weldability.Crushing work is carried out on a tubular material 10 with a tensile strength (TS) of 690 MPa by a d...  
JP2010099685
To provide a method for electromagnetic forming, capable of preventing breakage of a coil by reducing the electromagnetic force that is generated in the annular coil when electromagnetic forming.A forming tube 2 to be formed is arranged ...  
JP2010101008
To provide a member which can constitute a circular steel pipe member having a function of enabling adjustment of length from an end of a circular steel pipe to a structural member to be connected with the circular steel pipe, and being ...  
JP2010084700
To provide an exhaust emission control device preventing the deterioration in the durability of a reducer injection valve and damage to an exhaust pipe, and sufficiently purifying exhaust gas, and a method for manufacturing the exhaust e...  
JP2010069927
To solve various problems with aging treatment of a bumper structure after joining a bumper reinforcement to a stay raw material using electromagnetic formation to form the bumper structure, for example, low aging treatment efficiency (t...  
JP2010069497
To provide technology by which the use of excess members causing an increase in weight is suppressed and a product is easily manufactured since not only the installation of projecting line parts such as a rib, for example, is strongly de...  
JP2010064146
To provide a method for manufacturing a container for absorbing fluid shock or mechanical shock, in which production cost is reduced by integrating a container body and a coupling pipe coupled to at least one side of the container body a...  
JP2010059624
To provide a member which has a function of enabling the adjustment of length from an end of a square steel tube to a structural member for undergoing the jointing of the square steel tube, which makes the degree of working low and facil...  
JP2010046673
To simply, certainly, and quickly manufacture an integrally-formed hollow article having a complicated shape by hot blow-forming.Exhaust holes 3b, 4b communicating with the outside are formed in a male mold 3 and a female mold 4. A trunc...  
JP2010029937
To provide a method for hydroforming a component having a long tube-expanding region in which no buckling nor wrinkle remains, and a long hydroformed component having a large tube-expanding ratio.A first step of expanding the portion of ...  
JP2010017767
To provide a hydraulic bulging device capable of securely sealing by preventing an injected fluid from leaking during processing, and a hydraulic bulging method.An abutting surface 12 of a seal unit 11 built in either of upper and lower ...  

Matches 551 - 600 out of 2,457