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JP6317802B1 |
To provide a crankshaft manufacturing apparatus capable of correcting a height difference between processes without a separate configuration and performing a straightening process independently. A twist portion 140 has a first jig 144 to...
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JP2018058074A |
To provide an umbrella breakage correction device of section steel which can efficiently flatly correct the umbrella breakage of up-and-down flanges without the necessity for troublesome work such as work for vertically inverting section...
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JP6304802B2 |
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JP2018043286A |
To provide a molding roll excellent in agglutination resistance, abrasion resistance, peeling resistance and a coefficient of friction of a roll surface.A metal tube molding roll has a base material having a steel composition constituted...
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JP3215205U |
To provide a hydraulic straightener for shaft parts. A press machine 1, a screw 2, a micrometer 3, a guide bush 4, a servo motor 5, a V-shaped lifting device 6, a mounting holder 7, a rotating wheel 8, a rotating shaft 9, a motor 10, a b...
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JP6287868B2 |
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JP6288273B2 |
A pipe expander that can manufacture a steel pipe at low cost is provided. The pipe expander includes a cone that is fitted around the tip of a draw bar connected to a cylinder and has an outer periphery of which the size changes gradual...
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JP3215098U |
To provide a guide bush of a hydraulic straightener of a shaft component capable of continuously measuring 360 degrees without having to repeatedly transport the shaft component and saving labor. A press machine 1 is provided above a bas...
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JP3215097U |
To provide a guide post of a hydraulic straightener of a shaft component capable of continuously measuring 360 degrees without having to repeatedly transport the shaft component and saving labor. In a hydraulic straightener for shaft par...
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JP3215099U |
To provide a structure for arranging a hydraulic straightener for a shaft component, which can perform continuous measurement at 360 degrees without needing to repeatedly transport the shaft component and can save labor. In a hydraulic s...
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JP6283927B2 |
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JP6273722B2 |
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JP3214696U |
[Subject] Installation of parts is economized and an oil pressure Stray tenor moving section of convenient pivot class parts is provided. [Means for Solution] Holder 7 for attachment and V type rise-and-fall device 6 which are the oil pr...
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JP3214695U |
[Subject] Pivot class parts are moved, and it does not secede from a base, and provides an oil pressure Stray tenor rise-and-fall device which can perform continuous measurement which is 360 degrees of pivot class parts. [Means for Solut...
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JP6269608B2 |
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JP2018012112A |
To provide a horizontal type bending corrector which has a favorable workability such as a simple positioning of a point to press a pipe for correction and is capable of being realized inexpensively in a simple configuration.A bending co...
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JP2018001248A |
To provide a reasonable manufacturing method premised on using a general-purpose machine tool or a tool and using a general-purpose pipe material as a starting material as much as possible regarding manufacturing of a small-lot bent prof...
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JP6245492B2 |
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JP6229178B2 |
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JP2017532201A |
A flow forming process for the formation of corrosion resistant alloy tubes is disclosed. The process deforms the corrosion resistant alloy plate to form a hollow cylindrical preform with a longitudinal seam region located between the tw...
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JP2017192951A |
To provide a manufacturing method of an aluminum molded article which can securely suppress wrinkles on a joint part of a flange part protruded to an inside of a bending direction of the aluminum molded article having a main body part an...
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JP6213000B2 |
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JP2017172810A |
To provide a method of manufacturing a fin tube type heat exchanger that can prevent a decrease in manufacturing efficiency while suppressing a decrease in performance of the fin tube type heat exchanger due to warpage of fins resulting ...
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JP6203689B2 |
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JP6202189B2 |
A method for manufacturing a press-formed product includes: a first step of preparing a long material having a bending portion; and a second step of decreasing curvature of the bending portion while restricting both ends of the long mate...
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JP6201078B1 |
[Subject] A form-rolling dice for bend reform which can correct a bend of a round bar part of stick material without attaching reform marks, a bend correcting method of stick material, and a manufacturing method of stick material are pro...
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JP6172171B2 |
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JP6155112B2 |
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JP2017100147A |
To provide a compact tool for correction of a pipe.A tool for correction of a pipe for correcting an inner shape of a pipe P by insertion of pin bodies 22A to 22E. Plural pin bodies 22A to 22E, of which outer diameters are different in o...
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JP2017080798A |
To provide a method for correcting and joining steel pipes deformed to be elliptical or the like without any irregularity at a construction site.According to this method for joining steel pipes so as not to generate irregularity when bot...
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JP2017060996A |
To provide a bending device having excellent bending quality and a bending processing method with use of the device.A bending device comprising a pulling-in roller for pulling-in of a material, plural drive rollers which are located on l...
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JP6102245B2 |
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JP6094633B2 |
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JP6092279B2 |
Drawing unit and method for drawing at least one long metal product (P), configured to make the at least one long metal product (P) advance along a nominal axis of feed (A) and provided with at least a first motorized roll (13) and with ...
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JP2017036768A |
To provide a pipe enabled to restore a substantially complete round state by correcting a pipe shape when a diameter reduction and/or a deflection has occurred at the tip of the pipe at a forcible extraction time.A pipe 100 is one to be ...
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JP6082263B2 |
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JP2017032078A |
To provide a rack shaft which is excellent in durability without the necessity for correcting the warpage of an end part region including both end parts of a region in which a rack tooth row in a longitudinal direction of the rack shaft ...
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JP6076282B2 |
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JP2017018968A |
To enhance straightness of a shaft member.In a device body 10, a first correction roll 11 and a second correction roll 13 are rotatably arranged. The second correction roll 13 is configured to be closable/separable to/from the first corr...
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JP6064398B2 |
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JP6067352B2 |
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JP6050963B2 |
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JP6040272B2 |
The present invention enables easy correction of asymmetric welded shaped steel for the intended cross-sectional shape even if the respective parts of the flange materials receive different amounts of thermal deformation during welding. ...
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JP2016198816A |
To achieve a processing treatment of a casting capable of removing strain accurately in correction of the casting, and excellent in productivity and energy efficiency.A processing treatment method of a casting in one embodiment includes ...
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JP6037004B2 |
A method for manufacturing a steel pipe includes a first pipe expanding step of expanding a steel pipe within a range of a pipe expanding ratio having a lower limit at a pipe expanding ratio at which a predetermined roundness is obtained...
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JP6023563B2 |
A roll forming method includes: performing a cross-section forming process to causing a steel strip, to pass through a forming roll die so that a cross-sectional shape of the steel strip is formed into a predetermined cross-sectional sha...
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JP6020604B2 |
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JP6011241B2 |
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JP6007597B2 |
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JP6004532B2 |
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