| Document |
Document Title |
|
JP5586514B2 |
|
|
JP5569609B1 |
A press forming method according to the present invention is a press forming method of pressing and forming a formed part 1 including: a top portion 5 having a projecting outer edge 3, a part of the projecting outer edge 3 being recessed...
|
|
JP5570871B2 |
|
|
JP5569597B2 |
Disclosed is a roller hemming device capable of maintaining performance to hem a work at low cost. Specifically disclosed is a roller hemming device (1) for performing preliminary bending to a work (W) placed on a bottom die (B) along a ...
|
|
JP5564979B2 |
|
|
JP5561445B2 |
|
|
JP5561323B2 |
|
|
JP5559633B2 |
|
|
JP5555605B2 |
|
|
JP5556899B2 |
|
|
JP5545957B2 |
|
|
JP5525566B2 |
A roller hemming device (1) includes a large diameter roller (11) having a large tapered surface (111) and a small diameter roller (12) having a small cylindrical surface (123). The small diameter roller (12) is coaxially disposed with t...
|
|
JP2014108435A |
To provide a press hemming method that enables improvement of machining accuracy, even while maintaining superiority in mass production with respect to the hemming using a hem tool.A press hemming method includes the steps of: forming a ...
|
|
JP5517552B2 |
|
|
JP5510533B1 |
To obtain a stretch flange forming method which fundamentally solves the problem of stretch flange cracking without lowering the degree of freedom of product shape and further has excellent shape accuracy of a top plate portion. The pres...
|
|
JP2014512271A |
The invention refers to a device (11) for flanging the end (13) of a metal tube (13) to achieve a circumferential surface extending outward at right angles from the tube (13), comprising a flanging tool (17) adapted to be attached to the...
|
|
JP5499847B2 |
|
|
JP2014088077A |
To provide a door frame structure which can be simplified by reviewing conventional production steps of a cavity hem of a door frame which requires three steps of down flange processing, pre-hemming processing and rope hem processing (or...
|
|
JP2014069231A |
To provide a sealing structure of a pipe end part, the structure having an improved sealing capacity.A sealing structure of a pipe end part is provided, in which an end part of a pipe with seam portions in the axial direction being joine...
|
|
JP2014054659A |
To provide a technology capable of molding work along the shape of a metal mold, without deforming the work so as to be separated from the metal mold.In a bending method, work W having two machined parts machined along shapes of a first ...
|
|
JP5443799B2 |
|
|
JP5448360B2 |
|
|
JP5437914B2 |
|
|
JP5438433B2 |
|
|
JP5441215B2 |
|
|
JP5437907B2 |
|
|
JP2014039957A |
To provide a press working method for suppressing a working crack which extends at a curved portion of a flange and is caused to occur in accordance with a flange deformation, in the pressing work of a flanged molding member for a flange...
|
|
JP5427601B2 |
|
|
JP5424710B2 |
|
|
JP5415321B2 |
|
|
JP5401969B2 |
|
|
JP5382798B2 |
|
|
JP5377090B2 |
To provide a machining device which is miniaturized. The machining device 10 includes: a first base 31 which is attached to a moving means; first rails 33, 33 which are provided on the first base and extended in a first direction 32; a s...
|
|
JP5378661B2 |
To provide a tube expansion method capable of preventing tip cracks when expanding a tube. This tube expansion method comprises: a curling step for forming the edge part 14 where the entire circumference of a tube end is bent outward at ...
|
|
JP5369271B2 |
To provide a desired distal-end stiffness value of a steering column shaft even if an increase in size and an increase in weight of a steering member body are suppressed and an increase in install space and an increase in assembly hour a...
|
|
JP2013248646A |
To prevent position deviation of a panel-like member after roller hemming without arranging a process for thermosetting a sealer separately from a roller hemming process.A roller hemming device 10 includes: a working table 11; a die 12 m...
|
|
JP5367742B2 |
To provide a pipe expanding device capable of simply and surely expanding a pipe. The pipe expanding device 10 includes a pair of gripping pieces 21, 22 for gripping the pipe 1, a diameter expansion section 31 for expanding the front end...
|
|
JP2013233565A |
To perform eccentric spinning while preventing increase of a processing time caused by a processing amount limitation per one path to improve production efficiency and while inhibiting occurrence of wrinkle or a crack at a pipe end witho...
|
|
JP5339031B2 |
To make sealing between two components unnecessary, by caulking them while generating compressive force in the radial direction between a pipe body and a circular plate. A stepped part 2 is prepared on an inner face on an edge side of th...
|
|
JP5339206B2 |
To provide a connected part structure of a panel for preventing water from entering from a connecting end portion between split panels of an outer panel and improving the whole rigidity of the outer panel by enhancing the connecting stre...
|
|
JP2013220455A |
To reduce the gross weight of a vehicle to reduce manufacturing cost, in a pipe material applied to a stay or the like of a vehicle head rest.A pipe material 1 includes a cylindrical barrel 2, and a molding part 3 disposed on a leading e...
|
|
JP5318376B2 |
To provide a method of chamfering workpieces, which has mass-productivity and by which the working cost is reduced. A hard container is prepared, the workpieces (fine metal chips, for example) are charged into the container and liquid is...
|
|
JP5313109B2 |
To solve a problem on degradation of the shape from the target shape due to spring back, after reflare punch rises since a material of a part configuring a fin collar does not reach a plastic range, and restriction from an inner face is ...
|
|
JP2013202642A |
To form a double-structure flange at a pipe end by a simple processing method.A clamp die 1 projecting a pipe end forming a flange from a die surface 1a and clamping an outer diameter surface of a pipe P to an edge of the pipe end and a ...
|
|
JP5300095B2 |
The purpose of the present invention is to provide a high-tolerance molding device that uses a pulling technique to quickly form a desired elongated hole in a workpiece such as a pipe or a sheet with little material loss, due to the use ...
|
|
JP5285463B2 |
|
|
JP3185738U |
To provide an opening structure in which abnormal noise is not generated. The opening structure 10 is formed in a substantially plate-shaped base material 1 having a through hole 11 and forms an opening through which a long member 12 pen...
|
|
JP2013164093A |
To provide a manufacturing method of a race for a thrust needle bearing which is excellent in processing performance, favorable in an yield of a material, and can be manufactured at low cost.A manufacturing method of a race for a needle ...
|
|
JP5249147B2 |
A method of forming a hollow curled portion on a hollow body, the curled portion being oriented from one end to the other end of the hollow body. The method includes a bending step of curving an end of the hollow body toward another end ...
|
|
JP5243407B2 |
A process and apparatus to make an edge or a collar featuring a complex structure on extruded, deep-drawn and deep-drawn/wire-drawn metal rough pieces with which bottles for the beverage and food sector or for technical use are particula...
|
