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JP4761654B2 |
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JP4751358B2 |
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JP4751976B2 |
To provide a groove-machining device capable of correctly machining a groove of a predetermined shape in a side face of a tubular member by a simple mechanism by maintaining flatness (roundness) of an outer circumference and suppressing ...
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JP4712160B2 |
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JP2011110596A |
To provide a method of working the grooves of a headrest stay by which costs of components necessary to a working device is inexpensive, costs of grooving work to a stay (headrest stay) is reduced, and the grooving work of the stay is pe...
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JP4686127B2 |
A can body is fitted to an inner shaping tool rotatable adjacent a freely rotatable outer shaping tool outside the can body. An arm having an outer end rotatably carrying the outer shaping tool and an inner end is pivotal about its inner...
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JP4678840B2 |
To inhibit the poor appearance of a tire by raising the stiffness to the bending deformation of a serial plate for a distinguishing engraved marker of a tire and preventing the plate from being bent when vulcanizing molding. Protrusion r...
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JP2011056526A |
To provide a press device with which the variation in the accuracy of a base stock to which press forming is applied is suppressed.In the press device 1 which includes a die 20 and a punch 11 and with which a pipe A is deformed into a V-...
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JP4647855B2 |
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JP4630005B2 |
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JP2010264497A |
To provide an apparatus and a method for manufacturing an internally grooved tube, by which occurrence of double-bulging when the grooves are formed is reduced and the quality of the tube is improved. In the apparatus 2 for manufacturing...
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JP2010242168A |
To provide a method for manufacturing a metal sheet, which can surely reinforce a part required to be reinforced in the metal sheet while improving the adhesiveness between the metal sheet and a paint layer, and can reinforce the metal s...
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JP4567336B2 |
The widening and shaping device has a mandrel-like shaping tool (1) to go in the can body (5) from one side, and a counter-tool (2), also a shaping tool, to go into it from the other side. The cross-section profiles of the two shaping to...
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JP4550226B2 |
The present invention is an apparatus for manufacturing an internal grooved tube, in which has a rotary die and a working head having a plurality of balls retained inside in such a way as to rotate with play are provided along the drawin...
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JP4537571B2 |
For providing a simultaneous both-sided ironing-deep drawing process, producing vessels like metallic cans which strong enough in their use and, after having been used, can easily be squashed by hand or foot, the height difference betwee...
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JP4511797B2 |
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JP4513746B2 |
A method of manufacturing a support body for run flat, wherein in a case where the circumferential wall of a tubular blank B is pressingly held between inner and outer molding rollers 1 and 2 and where the molding rollers 1 and 2 are rot...
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JP4496102B2 |
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JP4481959B2 |
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JP4477695B1 |
The present invention provides a slot part forming method for pipe, thereby forming the slot part with a mode that a R shape at the upper end of the inner wall is smaller and an actual slot depth can be increased. The forming method is u...
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JP4463499B2 |
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JP4465483B2 |
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JP4423085B2 |
A plurality of axial grooves are formed on the outer circumferential surface of a shaft member by applying an arcuate edge defined between an end surface and outer circumferential surface of a rotatable cylindrical forming tool having a ...
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JP4416319B2 |
The invention relates to a drilling tool for machine tools and to a method for the production thereof. The drilling tool has at least one chip conveyor groove (16) and at least one functional channel (20). In order to produce the body of...
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JP4406898B2 |
A deforming tool (1) for forming an elongated deformation in a planer workpiece includes cooperating upper and lower parts (50,51), at least a roller ball (11) being mounted in one of the parts and cooperating with a mating element (53) ...
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JP4395952B2 |
A plate formed with a plurality of regular projections projecting from both faces of the plate can suitably be used as a separator for a fuel cell. Projections on one face of the plate and projections on the opposite face of the plate ar...
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JP2009285692A |
To solve the problem that in the conventional flattening technique, in order to prevent the deterioration of flatness and a break in edge parts in a flattening part, the use of a core is needed and the deterioration of working efficiency...
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JP4346951B2 |
A method for manufacturing a fuel inlet having a good sealing property and a screw structure formed in a precise position involves expanding one end of a long-length stainless pipe (metal pipe) using a cored bar, the tip of the expanded ...
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JP4349282B2 |
An object is to provide a fine forging method for forming partitions of recesses precisely and forming recess shapes for pressure generation chambers etc. with high accuracy as well as a liquid ejection head etc. that is produced by usin...
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JP4319115B2 |
To provide a method for forming a metallic formed body having a recessed portion on a part of a sidewall, by which method the metallic formed body can be formed so as to have a uniform wall thickness (including an approximately uniform t...
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JP2009172663A |
To provide a forming method and a forming apparatus for accurately and efficiently obtaining an inner diameter spline of a hollow shaft.The forming method and the forming apparatus for the inner diameter spline of the hollow shaft are ch...
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JP4272407B2 |
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JP2009090301A |
To provide a method to easily form a groove on an inner peripheral face of a metal tube especially of which inside diameter is especially small, or of which outline is bent, and to provide the metal tube in which the groove is formed on ...
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JP4244439B2 |
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JP4242943B2 |
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JP4232917B2 |
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JP4234224B2 |
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JPWO2007013322A1 |
While having sufficient load-loading capacity, each rail has sufficient rigidity to prevent deterioration of movement accuracy when moving a movable body, and further has the same stroke amount and load-loading capacity as before. It is ...
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JP4210580B2 |
The holder member 4 is rotatably supported at the tip portion 2a of the sliding member 2 placed on the guide face 1a of the guide member 1 arranged fixedly inside the cylinder C. The holder member 4 is inclined when the tip portion 3a of...
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JP4212142B2 |
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JP4207319B2 |
To stably form a narrow groove in a metallic plate by forming a rough approximately U-sectioned groove having wider width than desired groove width and then forming a groove having the desired width by reducing the width of the rough gro...
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JP4201090B2 |
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JP4179890B2 |
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JP4173817B2 |
The invention relates to a heat exchanger, especially a heat exchanger for motor vehicles, comprising a bank of tubes through which a gaseous medium flows and around which a liquid coolant flows. The ends of said tubes are received in tu...
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JP4168590B2 |
The object of the invention is to provide a rack shaft having two rack teeth groups (A2,B2) and hollowed throughout the whole body, to lightweightize the shaft and to reduce the cost. The two rack teeth groups (A2,B2) are located longitu...
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JP2008229726A |
To provide a roll grooving apparatus for pipes which is high in durability and excellent in tracking performance.This grooving apparatus is provided with a grooving roll and a back-up roll which are relatively displaced with a feed screw...
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JP2008221248A |
To improve processing accuracy of spline forming by a roller forming apparatus.The roller forming apparatus 1 includes a plurality of rollers 1 arranged around a feed shaft OW of a workpiece 5, an inner ring 27 which freely rotatably hou...
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JP4109698B2 |
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JP4102095B2 |
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JP4036044B2 |
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