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JP2006102820 |
To provide a filling and pressurizing apparatus of fluid for forming a tube member.This apparatus has a partial fluid conduit (27) having a fixed first section (27a) and a partial fluid conduit (27) having a movable second section (27b) ...
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JP2006102786 |
To provide a hydraulic forming apparatus for bulging the intermediate part of a metallic tube with which occurrence of buckling and cracks on the metallic tube is prevented when forming a bulged part in the intermediate part of the metal...
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JP2006095569 |
To provide a preform for hydraulic forming in which the breaking of reinforcing materials is suppressed.The preform 50 includes: a first and a second outside materials 10, 20 which have edge parts 52 overlapped and joined each other and ...
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JP2006095570 |
To provide a preliminarily formed body for hydraulic forming, which can suppress the fracture of a reinforcing member.The preliminarily formed body for the hydraulic forming comprises outside surface members 10, 20 which have overlapping...
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JP3789105 |
To provide a hydraulic forming device for performing both a preliminary forming step and a hydraulic forming step of a work tube in one succession by using only one device. This hydraulic forming device comprises a lower die 100 fixed to...
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JP3789311 |
To provide a die fastening equipment and a die fastening method capable of securely holding a forming die at a concise construction against pressure to make the forming die open. The die fastening equipment is provided with a frame 1 hol...
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JP2006088165 |
To provide a hydrostatic bulge forming method by which welding stage in the manufacturing process of the parts such as automobile parts is simplified and a hydrostatically bulged article provided with an engaging part having high reliabi...
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JP3786450 |
PURPOSE: To produce an elongate hollow body in which a cross sectional contour are varied impossible in a conventional method by bending a sheet-metal blank in the plane vertical to the sheet-metal blank when progressing a closing action...
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JP2006082098 |
To provide a method for forming a metallic formed body having a recessed portion on a part of a sidewall, by which method the metallic formed body can be formed so as to have a uniform wall thickness (including an approximately uniform t...
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JP3785117 |
To provide a vehicle body structure member having a bent part such as a rear fork of a motorcycle and a vehicle body frame of the vehicle in which welding to a bracket at the bent part is carried out with no generation of gap and reducti...
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JP2006075887 |
To provide a method for manufacturing a superposed plate material for hydroforming with high productivity.A superposed plate 1 suitable for manufacturing a hollow product having a closed section structure having a X-shaped or cross-shape...
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JP2006075862 |
To provide a preliminarily formed member for hydraulic forming, which is excellent in a manufacturing cost.The preliminarily formed member 50 has edge portions joined by being overlapped, two outer surface members 10, 20 which form the o...
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JP2006075863 |
To provide a preliminarily formed member which can improve the longitudinal stiffness of a product formed by hydraulic forming and is excellent in a manufacturing cost.The preliminarily formed member 50 has edge portions joined by being ...
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JP2006068774 |
To provide a coil for electromagnetic forming, which coil is excellent in the durability, and can be repeatedly used, and has a high strength of a core.The diameter of the core 2 between its tip end portion 12 and its base end portion 13...
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JP2006068775 |
To provide a coil for electromagnetic tube expansion forming, which coil hardly fractures even when the coil has been repeatedly used.After a flange portion 3 has been formed so as to be integral with an axis, a rod portion 2 is formed b...
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JP2006068776 |
To provide a bulging apparatus and a bulging method which enable a high bulged part to be formed without generating wrinkles in the periphery of the bulged part when bulging a material to be worked.The bulging apparatus is provided with ...
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JP3777985 |
To greatly extend the length of a manufacturable branch pipe in producing a branch pipe diverging and extending from the mains. A part L0 of the circumference of the main pipe which is continuous to the first walls 32a, 32b of a branch p...
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JP3778961 |
PURPOSE: To provide the production method of a cylindrical member for an automobile structure to produce the structure having the cross section of approximate polygonal shape bent in two or three dimensional directions without generating...
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JP2006061944 |
To provide a hydrostatic bulging method by which the width of a flange to be formed is worked into a specified size and at small variation, and further, shaft pushing is possible and cracks which are generated in the tip part of the flan...
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JP2006061929 |
To provide a forming method of a composing member of a metallic pipe for bicycle frames by which deformability is improved and the composing member of the metallic pipe for the bicycle frames formed by the forming method.In a forming met...
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JP2006061987 |
To provide a metal member forming method for forming a flange having a shape corresponding to the shape of an outer surface of a counter member to be bonded at an end of the metal member by an electromagnetic-forming method, and to provi...
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JP3775171 |
To provide a reinforcing member of a light weight and high toughness while preventing deformation of a closed section to the opening direction. The reinforcing member 8 is constituted so that a tube stock 10, of which the inside is parti...
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JP3775119 |
To secure sufficient durability without incurring lowering of productivity and cost increase. In a hollow shaft structure in which an end journal 4 as an externally fitting member is externally fitted to a hollow tube 1 as a hollow shaft...
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JP3775226 |
To provide a hydraulic bulge forming component and a forming method therefor excellent in anti-dent characteristics and with corresponding distortion of two percent or more on the forming surface. The hydraulic bulge forming method is a ...
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JP2006055870 |
To provide the structure for installation of a superplastic forming die on an opening/closing device by which the thermal expansion of the forming die is absorbed by a small-sized and simple structure.In the structure for installation of...
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JP2006055867 |
To provide a method for heating a plate for super-plastic forming, which method can improve the appearance of a product, and further can shorten the time necessary for the temperature rise in preheating the plate.In the heating method, b...
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JP2006055874 |
To provide a releasing agent for superplastic formation with which even a metallic sheet, on which oil is left, can easily be released after a blow formation.This releasing agent 20 is composed of boron nitride 26 shown by black circles,...
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JP2006055869 |
To suppress the temperature rising on the side of a press while maintaining the temperature of a forming die in a superplastic forming die.This apparatus is provided with a lower die 31 and an upper die 33 which are changeable in accorda...
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JP2006055871 |
To provide a method for preforming a plate for super-plastic forming, which method can prevent the drawing-in and the positional shift of the plate in closing a die, and also can achieve furthermore downsizing/compactness of equipment, a...
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JP3773094 |
To provide a lightweight vehicular rear car body structure excellent in support rigidity. A rear hollow member 2 and a front hollow member 3 molded from a tubular member by hydroforming are joined to a rear package tray 1. That is, the r...
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JP3773311 |
To restrain the generation of cross section deformations and wrinkles with a simple structure and process in the case of bending a double tube. In the case of bending the double tube by holding the double tube 4 having an outer tube 4a a...
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JP3771921 |
To provide a method of embossing or imprinting patterns in the surface of a thin sheet metal article using a superplastic forming at suitable SPF temperatures. A template (40) having a pattern, is interposed between a forming tool (22, 2...
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JP2006043738 |
To provide a fuel feed pipe manufacturing method capable of manufacturing a steel-made fuel feed pipe with a pipe end thereof expanded with high yield at low cost.A straight steel tube 1 is set in a die for hydroforming, and a center por...
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JP3767517 |
To provide a steel sheet for hydroforming which is excellent in properties of sealing a working fluid in hydroforming, gives a work-hardened formed article excellent in strength characteristics, and attains the weight reduction of a form...
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JP2006035281 |
To provide a hydraulic molding method for obtaining a molding having excellent appearance shape and a different cross-sectional circumference.A seal member 60 is arranged between at least two overlapped plates 10, 20 while circumferentia...
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JP2006035282 |
To provide a hydraulic molding method for obtaining a molding having excellent appearance shape and a different cross-sectional circumference.In the hydraulic molding method, a preliminary molding 30 with edges of two overlapped plates 1...
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JP2006035291 |
To prevent a pipe from buckling, cracking or being pinched.Bulging molds 1 and 2 are axially split into two pieces respectively from the specified positions of semicircular-arc-shaped recesses 1a and 2a for forming an expanded portion in...
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JP2006035301 |
To inexpensively provide a hydroforming die having a movable die with which a metallic branch pipe is stably formed.This die is a hydroforming die for bulging branch pipes in one or a plurality of places by using one or a plurality of mo...
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JP3765880 |
To provide a manufacturing method in which a component having at least a piercing part in a double wall in a relatively inexpensive manner. A component having a piercing part in a double wall, in particular, a cylindrical supporting eye ...
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JP3765881 |
To simplify the manufacturing process, and to reduce the manufacturing cost by swelling a dome with higher internal pressure than the maximum internal pressure to manufacture the dome in manufacturing a T-shaped hollow body or a hollow b...
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JP2006026646 |
To provide a hydraulic forming apparatus for obtaining a formed part with which flange parts do not remain.This apparatus has forming dies 160, 170 inside which a preform consisting of two superposed metal sheets the periphery of which i...
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JP2006026685 |
To make the thickness of a molded article using a superplastic material uniform.High-pressure gas is respectively introduced from gas introducing nozzles 20-1, 20-2 toward the corner parts 28-1, 28-2 on the bottom 28 of a cavity part or ...
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JP2006026654 |
To provide a hydroforming method and a hydroforming apparatus, by which a component excellent in dimensional accuracies of both-end parallelism etc. are formed, and by which a component requiring dimensional accuracies of entire length e...
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JP2006026648 |
To provide a hydraulic forming method for easily obtaining a formed part which is partially reinforced in strength and rigidity and has excellent accuracy.This method is a hydraulic forming method to which a preform 40 having two superpo...
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JP3764588 |
To provide a method for producing a high strength steel tube excellent in hydraulic formability accompanying axial thrusting. Hot finish rolling for steel contg., by mass, ≤0.01% C, 0.01 to 0.5% Mn, 0.005 to 1.0% Si, ≤0.03% S, ≤0.0...
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JP2006021236 |
To provide a method for manufacturing a tailored tube not having a weld starting point and a weld ending point, where welding defects are often generated, without requiring high accuracy of butting.A first blank material W1 is formed by ...
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JP2006021619 |
To provide a method of manufacturing a shock absorbing member for filling in a prescribed position inside a hollow shell structure with a porous body for absorbing shock regardless of a shape of the hollow shell structure.The method of m...
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JP3761820 |
To provide a metal member forming method, a metal member, and a metal member forming device for achieving the forming property and higher strength of the metal member. The cylindrical metal member 1 having a hollow chamber 10 and a formi...
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JP3756685 |
To reduce manufacturing processes and to make welding work easy by forming a sheet base stock of a prescribed size by welding plural aluminum sheets to which a hot blow molding is applicable and executing the hot blow molding so that the...
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JP3756401 |
To provide a hydroforming device capable of reducing load of an axial forcing unit to a large extent. When an upper die 11 and a lower die 15 relatively isolatable and accessible are held in the closely contacting state using a locking f...
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