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Patent Searching and Data


Matches 551 - 600 out of 7,041

Document Document Title
JP5448360B2  
JP2014046346A
To provide a roller hemming device capable of performing roller hemming excellent in molding accuracy, while being benefited by cost reduction and space-saving due to omission of a lower die.A roller hemming device 10 of the present inve...  
JP5437914B2  
JP5438433B2  
JP5441215B2  
JP5437907B2  
JP2014039938A
To provide a press work method and a device capable of attaching-detaching a backup material without stopping feeding of a metallic plate material.A metallic plate material 1 having at least one folding-back part 1a to 1c is passed while...  
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  
JP2014014869A
To provide a method and apparatus for bending a workpiece to form an angled flange.The method and apparatus comprises a structure 130 and a locking magnet 142. The structure comprises a retaining portion 132 and a magnetic portion 134. T...  
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 ...  
JP2013544655A
A bending die having a first bending surface and a second bending surface that is rotatable with respect to the first bending surface. The second bending surface rotates with respect to the first bending surface during a bending operatio...  
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...  
JP2013233562A
To provide a roller hemming device and a roller hemming method hardly causing waving of a pre-bent flange, hardly causing interference of a full-bending roller with an obstacle, and favorably carrying out both of pre-bending and full-ben...  
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 ...  
JP2013194905A
To provide a cylinder member for an automatic transmission capable of reducing the number of manhours in manufacturing and reducing the size of a press device and achieving high diameter accuracy and a cylinder member manufacturing metho...  
JP2013193103A
To easily and inexpensively manufacture a brake drum by using a press apparatus.A method of forming a tube-wall flange includes: a step in which a flange 12 is formed by bending an opening edge of a tube wall 11 outward nearly at right a...  
JP2013188781A
To provide a fluid circulating member by which the buckling of a tubular portion can be finely prevented when large diameter portions and a small diameter portion are formed by making the top end of the tubular portion deform plastically...  
JP2013188770A
To provide an apparatus and a method for roller hemming which can reduce the number of times of folding while folding a flange into a predetermined shape by reliably setting a predetermined folding part as a bending point.A roller hemmin...  
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 ...  
JP2013184198A
To provide a practical method capable of suppressing the generation of the hem gap and warpage in the outer panel made of an aluminum alloy on coating/baking of an automobile body in the hemming parts of the corner parts in a different m...  
JP5285463B2  
JP2013173185A
To provide a method of manufacturing a caulked assembly, by which the caulked assembly can be manufactured at a low cost, the deterioration of the strength of a columnar body caused by a circumferential groove can be evaded, deformation ...  
JP2013166152A
To provide a press work method capable of efficiently forming a flange in a simple structure and an simple operation and being excellent on workability such as carrying-in and carrying-out of a panel, and a press die.The press work metho...  
JP3185738U
[Subject] Opening structure which an allophone does not generate is provided. [Means for Solution] It is opening structure 10 which is formed in approximately tabular substrate 1 which has penetration hole 11, and forms an opening which ...  
JP2013163209A
To provide a hot press forming device and a hot press forming method for obtaining a high-strength member having undercut parts.A hot press forming device 100 includes: outside punch plates 123 for bending parts W1 of a material W by pre...  
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  
JP5243407B2  
JP5247399B2  
JP5237179B2  
JP2013132684A
To provide a roller hemming method, by which hemming work is performed while a workpiece is surely closely attached to a die even when the workpiece has machining error for surely preventing the generation of defect such as distortion in...  
JP2013128965A
To provide an underwater plate bending apparatus which can smoothly perform an underwater plate bending process while reliably fixing an apparatus by a simple operation and structure.The underwater plate bending apparatus for applying a ...  
JP2013126673A
To provide a thin plate burring method that can increase the amount of projection of an annular portion by burring process even if a thinned plate-like workpiece is used.The thin plate burring method includes: a first step for forming a ...  
JP5219397B2  
JP5220847B2  
JP5215946B2  

Matches 551 - 600 out of 7,041