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JP2014019205A |
To provide a structure capable of stably holding an inner column 14c on the inner diameter side of an outer column 13d.An outer column 13d and a movable side bracket 22b are integrally molded by a hydroforming method to swell. Swelled pa...
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JP5400400B2 |
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JP5395233B2 |
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JP5382201B2 |
A structural hydroformed joint member has projecting portions (30a, 30b) formed integrally on an outer peripheral face of a hollow main tube part (20) by hydroforming an element tube with an outside diameter D. In this case, both interse...
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JP5380189B2 |
A hot bulge forming die apparatus forms a preheated tubular material 10a into a tubular material 10d. The hot bulge forming die apparatus includes a lower die 21B having a cavity surface 211B and an upper die 31B having a cavity surface ...
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JP5376812B2 |
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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JP5348631B2 |
Because an electromagnetic chuck (20) supplies current to a specific microcoil among a plurality of microcoils (MC) and makes an object (M) exert an electromagnetic force working together with a magnet of the object (M), the object (M) c...
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JP2013189640A |
To provide a hydroforming lubricant capable of being excellent on a lubricating property and seizure resisting performance at the time of hydroforming processing and preventing breakage, buckling, and scratches on the surfactant at the t...
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JP5299936B2 |
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 in...
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JP5293040B2 |
To carry out the material replacement of a deck pipe for achieving both weight reduction and high rigidity. In a molding method for a deck pipe to be arranged in a vehicle widthwise direction of an automobile, after heating a bar-shaped ...
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JP5290540B2 |
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-rea...
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JP5287259B2 |
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JP5287565B2 |
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JP5272642B2 |
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 ...
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JP5276238B1 |
The metal forming method includes deforming a member to be formed (2) that includes a second metal and that has been heated and bringing the member into contact with a member to be bonded (3) that includes a first metal and that has been...
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JP5270133B2 |
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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JP5264756B2 |
Autofrettage method comprises reducing the volume for the fluid using a displacement plunger (19) which is displaced by a displacement plunger opening (6) of a workpiece (2) in the inner chamber (5) of the workpiece.
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JP5256401B2 |
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JP5244081B2 |
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JP5244063B2 |
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JP5237750B2 |
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JP5239505B2 |
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JP5241656B2 |
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JP5235672B2 |
A method of superplastic forming of titanium packs and an associated assembly is provided. The titanium packs can include sheets having different granular structures so that the different sheets are adapted to superplastically form at di...
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JP2013123937A |
To attain a structure holding stably an inner column on an inner diameter side of an outer column.An outer column 13d and a movable side bracket 22b are bulging-molded integrally by a hydroform method or the like. Respective protrusions ...
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JP5213838B2 |
Provided is an electromagnetic pipe expanding inductor in which the formation of voids during resin impregnation is suppressed, and electromagnetic reaction forces acting on the conductor periphery and on the interface between the shaft ...
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JPWO2011099592A1 |
The present invention provides a hydrofoam processing method capable of easily obtaining a hydrofoam processed product having a complicated shape in which the shaft core is formed so as to include bending, and is mounted in a mold (11, 1...
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JP5206042B2 |
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JP5205229B2 |
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JP2013104465A |
To provide a method for manufacturing a multi-way pipe joint, by which problems such as a working environment and lead pollution are remedied.The method for manufacturing a multi-way pipe joint includes: a step of inserting a bar-like re...
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JP5192471B2 |
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JP5188472B2 |
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JP5186081B2 |
An automotive vehicle body includes a generally tubular, hydroformed cowl with integral mounting flanges which are welded to an engine compartment structural member and a cowlside member. The cowl may be hydroformed from several differen...
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JP5182426B2 |
Disclosed is a hydraulic forming method which comprises a step of placing end portions of a base tube inside inlet portions of a pair of molds disposed such that the inlet portions face each other, each of the molds having a cavity with ...
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JP5177411B2 |
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JP5163756B2 |
A production method enables use of ultrasonic forming but does not leave a bonding face in a final product. One cuts into a plate member having a first side face and a second side face from the first side face toward the second side face...
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JP5152106B2 |
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JP5142141B2 |
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JP5139038B2 |
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 leas...
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JP5136998B2 |
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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JP5130693B2 |
The present invention was made with the object of eliminating the short pipe member when attaching a bolting nut to a hydroformed part, preventing an increase in the difficulty of hydroforming for attaching the nut, extending the nut len...
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JP5121040B2 |
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 w...
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JP5122253B2 |
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 ...
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JP5112886B2 |
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JP5095879B2 |
A method of manufacturing a branched pipe includes: a first swelling step of swelling a swelled part from a main body of a pipe blank by pressurizing the inner surface of the pipe blank by an elastic body, and simultaneously, forming an ...
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JP5094333B2 |
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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JP2012240080A |
To provide a method for manufacturing a can body by which fitting work is made easy by securing rigidity when fitting a shell plate and an end plate and also, a stress concentration part can be lost after joining the shell plate and the ...
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JP5083729B2 |
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 super...
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JP5082886B2 |
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JP5073481B2 |
In hydroforming of hollow metal articles in a die, such as pressure-ram-forming procedures, a method of decreasing cycle time of the forming process, while ensuring acceptable product properties and avoiding failures, by modeling the pro...
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