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Patent Searching and Data


Matches 851 - 900 out of 5,249

Document Document Title
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...  
JP5247399B2  
JP5237179B2  
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
To provide a method for forming a stepped part on an end of a metallic square tube without causing any distortion such as wrinkles on an upper face of the stepped part and an upper face on the center side of the square tube. An inner die...  
JP5220847B2
Roller flanging tool comprises a support structure with a connecting device (6) for connecting the tool to a spatially moving actuator via a connecting plane (C), a first arm (3, 10) and a second arm (4, 20) which are spread apart and co...  
JP5215946B2
A roller hemming apparatus includes: a cylindrical roller supported rotatably on a main body; a first position adjusting mechanism for adjusting a first position of the roller in a direction which is perpendicular to a rotating axis dire...  
JP5210805B2  
JP5210810B2  
JP5208973B2
The invention relates to a method for bending a plane metal sheet to be shaped into an open seam tube, in a bending press (11) comprising an upper tool fixed in the press frame (4) and having a contour corresponding to the bending contou...  
JP5202888B2  
JP5205896B2  
JP2013099767A
To provide a burring die device with which a plurality of burring holes are worked in positions in proximity.In the burring die device on which an upper die 3 and a lower die 2 are arranged on the vertical same axial center so as to perf...  
JP2013086096A
To provide a masher roller that is the masher roller used for correcting burr occurring at a metal band when it is subjected to trimming in a continuous process line of the metal band, in which toughness and specularity level of a roller...  
JP2013078777A
To make release easy, when releasing a press product having a negative angle, eliminating the risk of deforming the press product.The press die is configured to include an upper die having a right angle bending blade which performs a rig...  
JP5189052B2
To prevent any trouble attributable to burrs formed on an edge of a core piece part when a space part is formed in a core embedded in a weather strip. A plurality of space parts 24 are formed by the punching at predetermined intervals in...  
JP2013071162A
To provide a hemming apparatus capable of measuring the thickness or outside dimensions of a hemming part without providing a working space or equipment such as a measuring gage, and thus reducing work manhours and manufacturing cost.A d...  

Matches 851 - 900 out of 5,249