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Patent Searching and Data


Matches 701 - 750 out of 6,986

Document Document Title
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
A heat exchanger, for motorcycle use and mounted on a motorcycle and in which heat is exchanged between air and a heating medium flowing inside the heat exchanger, is characterized in that: the heat exchanger is fixed to a motorcycle bod...  
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  
JP2010221295A
To provide a plastic working apparatus with which a disklike base stock can be plastically worked so as to increase the volume of a boss part.In the plastic working apparatus, the base stock W has a shape which is bulged at least in the ...  
JP2010221232A
To improve the quality of a formed part.In a first step, a hollow preformed part is formed by locally heating portions to be heated which is set in the predetermined places of a pipe stock, pressurizing the pipe stock from both ends and ...  
JP2010221228A
To provide an apparatus for bending sheet metal products, with which a bag-shaped bent part is accurately and easily formed.A die 25 for forming a second bent part 15b in the upper edge part of a side panel outer 1 is divided into the di...  
JP2010221294A
To provide a tool for straightening a pipe end, with which the pipe is chamfered.This tool for straightening the pipe end includes a semispherical head 20 for chamfering the pipe by crushing the inner peripheral corner part of a pipe to ...  
JP4559374B2  
JP2010214449A
To provide a plastic working apparatus and a plastic working method which can perform plastic working so as to increase the volume of a boss part even by using stocks with the same shape.Regarding the plastic working apparatus, in which,...  
JP2010207896A
To provide a press apparatus capable of reliably rotating a rotary cam to the forming position. The press apparatus 10 includes a hanging cam 20 which is slidably held by an upper die 11, a rotary cam 50 which is rotatably held by a lowe...  
JP2010207891A
To provide a press apparatus capable of forming a plate workpiece of high quality without degrading the production efficiency. The press apparatus 10 includes a hanging cam 20 which is slidably held by an upper die 11, a rotary cam 50 wh...  
JP4544568B2  

Matches 701 - 750 out of 6,986