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Patent Searching and Data


Matches 551 - 600 out of 6,876

Document Document Title
JP4798603B2  
JP4799030B2  
JP4794271B2  
JP4795462B2  
JP4794272B2  
JP4781762B2  
JP4777633B2  
JP4772736B2  
JP2011173143A
To provide a method for stably removing burrs and angles which are formed during the slitting by always pressing metallic rolls at an arbitrarily fixed pressure to the metallic strip even when there is variation in the width of the metal...  
JP2011173454A
To provide a closure part for a vehicle which can prevent the electrolytic corrosion of a hemming process part between different metals and requires no substantial additions or changes in manufacturing processes.A door 1 for a vehicle in...  
JP2011173142A
To provide a method by which the shape of the edge end face without burrs and angles is made by efficiently crushing the burrs and the angles which are formed on the side end faces of a metallic strip sheared with a slitter without gener...  
JP4766921B2  
JP2011171671A
To improve rust-preventing properties by forming a plating layer on an inner circumferential surface of a through-hole made in a board, at the same time as with burr treatment.A first plating layer 9 is provided on one surface of a steel...  
JP4760213B2  
JP4756858B2  
JP4749044B2  
JP4746904B2  
JP2011147988A
To provide a method and a device for working a pipe, by which the strength of the end part of the pipe is secured and the pipe is made light in weight.In the method for working the pipe, after bending the end portion 1a of the pipe 1 fix...  
JP2011148006A
To provide a deburring tool for a punch press which can remove burrs on a long hole and a cut portion formed in a plate material by punching and cutting using a punch press in the same punch press process.A deburring tool 6 for a punch p...  
JP4735320B2  
JP2011131255A
To provide a hemming method and a device for it by which the generation of the deformation on the surface of a workpiece is suppressed simply and surely.In the hemming work which is performed to the flange 18 of a wheel arch part 16, the...  
JP2011131261A
To provide a panel structure which has high rigidity of edge parts and a method of manufacturing it.The panel structure 16 is manufactured by pressurizing a curled flange part 38 in the plate thickness direction of a flat part 36 with a ...  
JP2011125894A
To easily provide a light channel steel having large second moment of cross-section even with the same weight and the same profile dimension by constructing a flange part of laminated steel sheet and increasing its total thickness more t...  
JP4714346B2  
JP4714252B2  
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  

Matches 551 - 600 out of 6,876