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JP6513500B2 |
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JP6511507B2 |
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JP6502914B2 |
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JP6482328B2 |
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JP6479556B2 |
A bending method according to the present invention feeds a long workpiece material (Wa) made of metal and having a plurality of thickness portions (w1 and w2) disposed at different angles between rollers (13, 14, 15, and 16) and bends t...
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JP2019022910A |
To provide a bus bar made of an aluminum alloy in which in-plane bending of an aluminum alloy bar is performed, thereby forming a bent part without once cutting of the aluminum alloy bar into a blank of an irregular shape.A bus bar 1 mad...
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JP2018206663A |
To provide a manufacturing method of an aluminum alloy bus bar having strength required as a bus bar and high product yield by conducting an edge wise flexure processing, and the aluminum alloy bus bar manufactured by the manufacturing m...
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JP6429675B2 |
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JP6416049B2 |
Provided is a method for manufacturing an L-shaped square pipe that ensures adequate strength even without welding, a device for manufacturing the L-shaped square pipe, and the L-shaped square pipe. Provided is a method for manufacturing...
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JP6407659B2 |
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JP2018144058A |
To provide a bending apparatus and a bending method capable of performing efficiently bending of a steel sheet.In a bending method in which a steel sheet 2 supported by a support mechanism 3 is heated by a heating mechanism 4, and then, ...
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JP6384086B2 |
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JP2018122334A |
To provide a metal molding method by which hemming for folding a metal plate and so on can be performed while suppressing cracking and so on.A metal molding method comprising a folding process in which a metal plate is folded at a thin w...
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JP6367058B2 |
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JP6336156B2 |
A structural component is provided comprising a base member comprising at least two sidewalls and a space therebetween, the base member having a predetermined curvilinear configuration formed using hot stretch forming. The structural com...
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JP2018067432A |
To provide an aluminum alloy material for bus bar having conductive performance required as a bus bar and high production yield by conducting an edge wise flexure processing, and the bus bar having the aluminum alloy material for bus bar...
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JP6317803B1 |
To provide a crankshaft manufacturing apparatus which has a relatively low cost and does not require expert knowledge for operation or repair. A crankshaft manufacturing apparatus includes a twist portion and a hydraulic drive portion. T...
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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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JP6308598B2 |
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JP2018034173A |
To provide a roll forming device and a forming method of a long member which can easily and rapidly form a long component having not only a curved shape but also a twisted shape.A roll forming device 1 includes a plurality of roll parts ...
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JP2018020370A |
To reliably install a seal material at a joint line of a band material of a spiral tube to stably secure encapsulation performance.A method for manufacturing a spiral tube 20 for rolling a band material 3 into a spiral shape while jointi...
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JP6268986B2 |
A swage fastening structure (1) includes a first plate member (10) including a plate main body (11) and a T-shaped swaging piece (12) formed to project from the plate main body (11) in a direction extending along a plane of the plate mai...
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JP2017221956A |
To provide an elbow pipe manufacturing method and a rectangular metal pipe which enable the manufacture of an elbow pipe having an elbow shape curved in a desired shape.An elbow pipe manufacturing method, by which is manufactured an elbo...
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JP6239925B2 |
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JP6191344B2 |
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JP6190727B2 |
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JP2017140648A |
To provide a method for bending a flat wire, which can control the thickness of a bent part of the flat wire to a preset thickness.A method for bending a flat wire includes a bending step of forming a bent part BP in the flat wire RW by ...
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JP6180597B2 |
Provided is a bending apparatus which can solve the problems of the prior art which carries out two-dimensional or three-dimensional bending of a long metal blank having a closed cross section. A bending apparatus has (a) a first manipul...
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JP6178307B2 |
The invention relates to the field of steel processing and steel production, in particular the production of steel profiles. The invention relates to a method for manufacturing a steel profile, the method comprising the steps of: providi...
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JP6170386B2 |
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JP6169538B2 |
A method includes: the step of sending a raw tube (11) from a drum (21) to an unwinding side capstan (22) while the raw tube (11) is rotated around a central axis (C) perpendicular to a winding shaft (21a) of the drum (21) by rotating th...
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JP6155112B2 |
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JP6150850B2 |
Proceeding from a state of the art from which double-walled insulation housings that are provided with supported vacuum insulation are already known, the invention proposes an improved insulation housing that is characterized in that fir...
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JP6144519B2 |
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JP6144516B2 |
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JP6140033B2 |
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JP6113462B2 |
The present invention relates to a method for forming a rounded corner using a plate material having a predetermined width and a predetermined length. The present invention includes: a step of perforating a perforation section having a p...
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JP6109618B2 |
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JP2017051962A |
To provide an aluminum alloy bus bar where a bent part is formed by the bending work of an aluminum alloy strip in a surface without once cutting the strip to an irregular blank.In an aluminum alloy bus bar 1 being made of an aluminum al...
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JP6097218B2 |
A structural component is provided comprising a base member comprising at least two sidewalls and a space therebetween, the base member having a predetermined curvilinear configuration formed using hot stretch forming. The structural com...
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JP6079854B2 |
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JP6069145B2 |
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JP6069385B2 |
Provided is a bending apparatus 1 for a plate-shaped metal workpiece 3, including a suction device (suction pad) configured to suck a surface of a plate-shaped metal workpiece 3 in a removable manner; a plurality of expansion and contrac...
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JP6068086B2 |
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JP2017006935A |
To provide a manufacturing method for an outer plate which can form a fine three-dimensional shape, in which shading is caused, on a surface side of the outer plate while keeping rigidity.A manufacturing method for an outer plate 10 incl...
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JP6033796B2 |
An inexpensive ring spring having high strength and a method for producing the same, are provided. The ring spring can be obtained, for example, by raw material preparation (step S1), bending formation (step S2), welding (step S3), and d...
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JP2016190243A |
To provide a connection tool having a relatively large strength as the connection tool of an L-shaped blind type which connects two pieces of structural material at a right angle by fitting the structural material into a dovetail groove ...
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JP6019960B2 |
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JP5995515B2 |
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JP5995426B2 |
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