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Patent Searching and Data


Matches 551 - 600 out of 6,841

Document Document Title
JP4709300B2  
JP2011115808A
To provide a processing method for carrying out burring processing at an inner surface of a pipe material, and also to provide a processing jig.A burring processing method for forming a protrusion protruded in an inner direction at the i...  
JP2011119069A
To provide a method for manufacturing a lock pin that is easily manufactured in a simple composition.The lock pin is used in a push-and-push type ejection mechanism for a card connector, and the method for manufacturing the reverse U sha...  
JP4694770B2  
JP2011106710A
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 ...  
JP2011104599A
To provide a roller hemming device which corrects a positional error between a robot manipulator and a workpiece and carries out excellent pre-hemming or hemming with appropriate pressing force.The roller hemming device includes: a posit...  
JP4690875B2  
JP4683580B1  
JP4681143B2  
JP2011083785A
To provide a hydraulic pipe expanding and forming machine which can be incorporated into the progressive die and the transfer die of a general purpose press without the need of a hydraulic pressure generating device.When an upper die 1 s...  
JP2011078992A
To provide a hemming processing device capable of securely easily applying preliminary bending irrespective of an angle between a body and an edge of a preliminarily bent workpiece in the hemming processing device for carrying out prelim...  
JP2011067824A
To provide a rotary cam type pressing device capable of immediately separating a negative angle forming die from a negative angle-formed work.The rotary cam type pressing device includes: a lower die 2 for holding the work W; a rotary ca...  
JP4666330B2  
JP4659026B2  
JP2011056575A
To improve a columnar pressing member for working and forming a flange shape having an appropriate thickness in the end part as to the tool for working the end part of a flexible tube.In the tool for working the end part with which the e...  
JP2011050965A
To provide a flange forming machine of a tubular material which can expand and bend the tubular material till 90° to an outer side only by a primary roller.The forming machine forms the flange at the end part of the tubular material. Th...  
JP4646164B2  
JP2011041972A
To provide a roller-type hemming device which stabilizes a movement locus of a roller 5 without the necessity of regulating a portion cured for roller 5 supporting purposes and without causing an excessive movement locus.A movement locus...  
JP4644259B2  
JP2011036895A
To provide a die and a forming method by which a sliding resistance between a punch and a workpiece is suppressed from being increased even when the indentation of the punch is increased.The die 1 forms a vertical wall 903 on a workpiece...  
JP4634094B2  
JP4636654B2  
JP4630392B2  
JP2011016136A
To form a curled portion which is excellent in appearance quality and shows sufficient strength on the end portion of a hollow body such as a wheel rim.After forming the curled portion 38 by bending the end portion of the rim 14, for exa...  
JP4620843B2  
JP4617249B2  
JP2011006055A
To provide a panel assembly and a manufacturing method for the panel assembly, which enhances rigidity in sticking without increasing plate thickness and forming a projecting shape.This panel assembly 1 includes the panel member 2 formed...  
JP2010284688A
To provide a reflare machining device for executing reflare machining using a cooling cleaning liquid.A reflare punch 11 has a cooling cleaning liquid supply path R1 for allowing the cooling cleaning liquid to flow therethrough in the in...  
JP2010284692A
To provide a roller hemming device and a roller hemming method by which the shape of the flange of a workpiece after hemming work is unified.The roller hemming device 10 includes: a columnar hemming roller 12 which is supported rotatably...  
JP4603315B2  
JP2010279980A
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 se...  
JP4598938B2  
JP4593647B2  
JP4594009B2  
JP4596439B2  
JP2010269316A
To provide a bending device capable of applying bending to an end of a metal plate without causing creases and accordingly achieving improvement of production efficiency since correction work for correcting the creases of the end is not ...  
JP4587713B2  
JP2010260091A
To provide an accurate sheet metal bending tool which performs the fine adjustment of the thickness of a sheet metal to be bent and the protection of the base stock of the sheet metal to solve the problem that a conventional sheet metal ...  
JP4583987B2  
JP4582035B2  
JP4581001B2  
JP2010253539A
To obtain a forming tool which, in forming a cylindrical end part, inhibits a crack on a formed surface thereof occurring when the cylindrical end part is bent with a large curvature.A forming die surface 3 of the forming tool is formed ...  
JP4580089B2  
JP2010247199A
To increase thickness of at least a part of a bent part of a press-made workpiece while suppressing wrinkles.A press-made workpiece W is prepared, which comprises an end wall 1, a bent part 2 which is bent to one side from an outer perip...  
JP2010240708A
To eliminate various faults accompanying fixation with a clamp by making a material 2 to be hemmed fixable to a lower die 4 by a fixing means in place of the clamp in a hemming device 1.In the hemming device 1, a plurality of opening par...  
JP4570209B2  
JP2010234406A
To provide a method of working a pipe wherein the strength in the end parts of the pipe is secured and also the pipe is lightened in weight.In the method of working the pipe, after the end portion 1a of the pipe 1 is bent toward the insi...  
JP4562567B2  
JP4562648B2  
JP4559774B2  

Matches 551 - 600 out of 6,841