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JP4956153B2 |
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JP4947496B2 |
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JP4943666B2 |
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JP4938715B2 |
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JP4924539B2 |
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JP4919416B2 |
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JP4916104B2 |
The present invention provides a deburring device for a punch press which can remove burrs produced along a slot or a cut portion formed in a plate material by punching or cutting using a punch press so that the removal is carried out as...
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JP4900836B2 |
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JP4889408B2 |
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JP4891738B2 |
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JP4888933B2 |
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JP4876698B2 |
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JP4873601B2 |
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JP4870479B2 |
A movable die 18 including a first groove 52 and a second groove 54 that extend in a direction in which hemming is performed is moved by a robot 22, and is positioned and set with respect to a wheel arch portion 16 in a vehicle 12 on a p...
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JP2012020330A |
To provide technology for molding a further uniform thick flange in burring working for forming the flange at a plate-like material to be worked such as a steel plate.A burring punch 20 is formed into a tapered cylindrical rod shape havi...
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JP4864485B2 |
To provide a forming die for a pressing machine with which burrs generated on the edge of a hole can be precisely squeezed and impressions left on the inner peripheral surface of the hole are eliminated even when the hole has a minute sl...
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JP4865370B2 |
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JP4856860B2 |
To easily manufacture an internal/external double tubular body which has high heat resistance and does not cause fine wrinkles, crack or buckling on the surface, by reversing work, regarding the manufacturing method of the internal/exter...
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JP4856919B2 |
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JP4830255B2 |
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JP4825635B2 |
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JP4822485B2 |
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JP4815186B2 |
To provide a manufacturing method by which a double pipe having an outer pipe part which has high rigidity is manufactured even when a thin tubular material is used. After forming a collar part 12 by expanding the lower end part of a tub...
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JP4812307B2 |
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JP4804809B2 |
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JP4802271B2 |
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JP4798603B2 |
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JP4799030B2 |
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JP4794271B2 |
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JP4795462B2 |
A roller hemming device capable of correcting a positional error between a robot manipulator and a workpiece, and carrying out a pre-hemming and/or hemming process with appropriate pressing force. The roller hemming device has a position...
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JP4794272B2 |
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JP4781762B2 |
To acquire an edge treatment method for a sheet metal material, which can easily obtain a desirably-crushed edge face, by preventing the sheet metal material from shifting laterally during swaging work. The sheet metal material 5 having ...
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JP4777633B2 |
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JP4772736B2 |
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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...
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JP4766921B2 |
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JP4760213B2 |
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JP4756858B2 |
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JP4749044B2 |
To form a cutting blade at a thin metallic sheet forming an inner blade for an electric shaver only by press working. At the thin metallic sheet 41, slit holes 42 extending in a direction crossing the sliding direction of the inner blade...
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JP4746904B2 |
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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...
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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...
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JP4735320B2 |
A hemming machine is provided with a frame, a hemming tool support structure and a swinging drive structure. The hemming tool support structure is rotatably coupled to the frame to rotate about a center rotation axis. The hemming tool su...
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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...
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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 ...
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JP4714346B2 |
A folding tool for automatic roll folding comprises a first member (2) which is fixed to a manipulator, and a second member (3), which is rotatably connected to the first member (2). The second member (3) includes a first folding roller ...
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JP4714252B2 |
There is provided a stabilizer bar in which through holes are not positionally offset even if the attachment portions are bent after the through holes are formed therein. A stabilizer bar is composed of a steel pipe material bent to an a...
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JP4709300B2 |
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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...
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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...
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