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JP4959167B2 |
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JP2012112432A |
To provide a return tube for ball screw which permits high speed and low cost, to provide a method of manufacturing the return tube, and to provide a ball screw.The return tube which includes two tube pieces partitioned along the orbital...
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JP2012081487A |
To easily bend a sandwich panel without buckling a core material or a skin material.The sandwich panel P is configured to join a metal core material 11 having many openings 11a interposed between the two metal skin materials 12 by brazin...
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JP2012066306A |
To provide a method of time-effectively and cost-effectively producing a jig for manufacturing planar spirals of different specifications using a wear-resistant and mechanically strong material.The method includes cutting a steel plate o...
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JP4908268B2 |
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JP4899039B2 |
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JP4898801B2 |
A method includes: a step of bending the blade member in the width direction; and a step of, after the bending process, bending the blade member in the thickness direction. In the width-direction bending step, the blade member is clamped...
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JP2012045626A |
To provide a method of preparing a sheet of material so as to bending along a bend line.The method of preparing a sheet of material for bending along a bend line, includes the step of forming of at least one displacement in the thickness...
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JP4879588B2 |
To provide a method by which a shape of press-formed goods excellent in the accuracy of pres forming is obtained by a simple press-forming method without depending on empirical estimated generation of springback. In a press-forming stage...
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JP4847825B2 |
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JP4846242B2 |
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JP4816356B2 |
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JP4811416B2 |
A spring member manufacturing device that manufactures the spring member by laser irradiation includes a laser irradiation unit including a plurality of laser irradiation devices that perform predetermined laser irradiation with respect ...
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JP4806842B2 |
The invention provides a chasing tool for repairing damaged internal threads, including a body (2) provided with a bore (4); a handle (6) retained in the bore (4) with one degree of freedom in rotation, the handle (6) being provided over...
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JP4808706B2 |
A quick change gripping apparatus for gripping a workpiece having a profile. The apparatus includes a cylindrical housing having a first end and a second end. The cylindrical housing also includes an inner feature having a tapered wall. ...
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JP4808288B1 |
On the surface of the spread multi-layered metal object (14), as reaches from outside to inside of step-wise, the pattern shaped concave (16) is formed by reaching the lower layer (12f) of metal layer of the metal layer (12). The concave...
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JP4800528B2 |
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JP4795700B2 |
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JP4781593B2 |
A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted on the ...
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JP2011177725A |
To provide a forming method for forming a frame structure from a high tension steel sheet and forming it into a desired shape even when the curvature of the bent part is large.The formability of the steel sheet is raised by forming a wea...
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JP4772389B2 |
To provide a method for manufacturing a vehicle-use curved door sash by using a stretch bender machine capable of eliminating the variation of shape or the like, and to provide the stretch bender machine. The base material of a straight ...
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JP4769976B2 |
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JP4762758B2 |
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JP4743972B2 |
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JP4733950B2 |
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JP4731019B2 |
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JP4725938B2 |
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JP2011131278A |
To provide a bending machine by which bending is performed smoothly in a process in which a tube is bent along the outer peripheral part of a roll.The bending machine is composed of: a first fixture member 22 for holding one end portion ...
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JP2011126303A |
To provide a method for manufacturing body frames reducing the number of three-dimensional bending devices when many kinds of vehicles with different exterior design are produced.The method for manufacturing body frames includes a frame ...
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JP4688288B2 |
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JP4688287B2 |
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JP4684382B2 |
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JP2011079118A |
To provide a metal sheet having the uniform slit depth in continuous processes when forming the metal sheet having a slit in an inner surface to be folded.In order to form a slit that reduces the folding resistance of the metal sheet 9, ...
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JP2011073013A |
To provide a method of machining a metallic plate, by which the metallic plate having a desired bending angle is obtained easily while suppressing the generation of strain.In this method of machining the metallic plate, the scanning of a...
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JP4669636B2 |
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JP2011052777A |
To prevent a recess from being generated in a welded portion, even when welding both end parts of a band material by beam welding, in a manufacturing method of manufacturing a belleville spring from the band material.The band material 10...
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JP4642153B1 |
A ring manufacturing method of the present invention comprises: a laminating step laminating a plurality of metal plates; a junction step jointing the plurality of metal plates by heating and giving pressure; a twisting step heating and ...
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JP2011036884A |
To provide a blade bending machine which dispenses with the preparation of many dies even when manufacturing blade plates which are different in size, pitch, right-hand or left-hand, etc.The blade bending machine includes: a first fixed ...
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JP4623444B1 |
To enable cutting of an accurate depth on both side surfaces of a Thomson blade 1 under the condition of an unstable posture of a Thomson blade 1 and grooving at a minimum pitch in the traveling direction with a delicate machine within t...
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JP4615770B2 |
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JP2011005543A |
To provide an apparatus for working an auger in which steel material to be used of approximately 100% is commercialized because the loss of cut scraps of doughnut-shaped plates and the largeness of heating energy and working manhour are ...
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JP4610298B2 |
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JP2010284654A |
To provide a twister which eliminates heavy load manual work and improves productivity.The twister includes a lifting lever 21 which vertically moves and a twist beam arranged at the lower end of the lifting lever 21 and allowing a pushi...
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JP4601108B2 |
The present invention is directed to a curved helical compression spring having a plurality of coils along a curved coil axis. Each coil constituting the helical compression spring is increased and decreased in diameter, and the order of...
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JP4603194B2 |
A stretch bending device that can conduct accurate bending without using heavy material. A tension application mechanism 62 comprises first and second drive sources for movably supporting both ends of a guide member 12 with respect to a ...
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JP4598440B2 |
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JP4598441B2 |
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JP4596394B2 |
A method for developing an external plate and a process for producing an external plate in which production efficiency of the external plate can be enhanced by reducing the processing amount. In the method for developing the external pla...
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JP4585165B2 |
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JP2010247165A |
To provide a system for bending a plate in shipbuilding, by which the state of bend to the target shape of a three-dimensional curved surface of a steel plate such as the shell plate of a hull in a manufacturing stage is measured simply,...
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