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JP2006181633 |
To provide a chamfering die and a chamfering method of a punch press for simplifying the management of dies by making chamfering of both sides of a prepared hole possible without preparing a plurality of dies for every thickness in accor...
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JP2006181607 |
To obtain a flanged columnar body having a desired shape without bringing about the complication of a forming work and the increase of forming cost.This method is a method for forming a supporting pin member 20 having a flange 20b in the...
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JP3824777 |
To enable automatically changing a roller for preliminary bending and a roller for regular bending and to improve the working efficiency of hemming. With this device, the roller 21 for preliminary bending is rotatably fixed to a supporti...
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JP2006175455 |
To install a discharging part simply and surely by using a pipe which is inexpensive and excellent in universal applicability in the case the discharging part is integrally installed on the discharging port in the fixed position of an oi...
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JP2006175460 |
To provide a press forming apparatus which can carry out a press bending process for forming a workpiece into an almost bag shape by one press work.The press forming apparatus comprises a bag shape forming portion 12 of a guide cam which...
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JP3822199 |
To provide a structure for joining tubes made of different metals which are highly reliable and are excellent in strength and airtightness. The tubes 1 and 2 made of different metals respectively are joined by means of a joining fixture ...
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JP3822201 |
To thin the thickness of a muffler cutter with crack prevented from occurring. The muffler cutter is formed in a shape of a double tube having an inner tube part and an outer tube part, and a pipe 10 is characterized in that the inner tu...
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JP3820885 |
To provide a method to stably form a hydraulically bulging part having a flange of an arbitrary shape and a dimension, a die used for the forming and the hydraulically bulging part. In a method to form the hydraulically bulging part havi...
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JP2006168397 |
To provide a manufacturing method of a structural member of a vehicle capable of mounting an engaging member such as a clip even after a filling material is put fully by forming a burring hole cylinder in a prescribed position on a vehic...
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JP3818977 |
To provide a female side structure A of an easily manufacturable pipe joint. A curled outer flange part 3 and a large diameter short cylindrical part 4 in which a male side structure B on which a seal material S is fitted is inserted are...
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JP3817984 |
To implement both the preliminary hemming and the permanent hemming subsequent thereto in a short time with a simple structure and under simple movement. The preliminary hemming is implemented to a hemming flange part F by elevating a do...
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JP3816917 |
To provide a double tube manufacturing method in which an end part to connect to an inner tubular portion to an outer tubular portion is formed in a desired shape. The double tube manufacturing method in which a double tube has an inner ...
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JP2006150396 |
To form a desired edge of a shell plate of a rear pillar spreading to a triangular shape continuing to an upper part of a specified width and the lower side thereof as a beading by hemming.A workpiece is pressed by a die and punch having...
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JP2006155788 |
To provide a circular substrate and its processing method and device in which adverse effect is eliminated from the products caused by burr dust or the like dropped from the outer edge section of a substrate after a blanking process.The ...
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JP3812342 |
To provide a method and apparatus for hemming capable of accurately hemming a workpiece whose hemming work surface is substantially perpendicular to the workpiece-mounting surface. A hem-punch 25 blended integrally with a pre-hem blade 2...
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JP2006142363 |
To enhance the commercial value of the appearance of a brake disk formed by punching.Shear droop and burrs are coined by pressing a disk blank 1 so as to hold it with an upper coining die 8 and a lower coining die 9 to coin the shear dro...
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JP2006142364 |
To provide a caulking device capable of rapidly and correctly performing the drawing with a very simple configuration and without considerably increasing the outside diameter on the caulking side in order to narrow down.The caulking devi...
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JP3809757 |
To provide a press-fitted member 1 having a hole for a press fit capable of enhancing pressed strength and rigidity of a bearing boss, which is provided to project from a flange portion to one side, without using a reinforced collar. A f...
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JP3811542 |
To transfer a sheet in a time as short as possible by a transfer device provided on an end part in the sheet transfer direction before a through hole with a collar is formed in the sheet. In a die device 30, processes to form a through h...
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JP3810466 |
To simplify a manufacturing process and to largely improve conveying and housing efficiency with the number of parts reduced into one by pressing a projecting end part of a lifting inverse hole forming base body held and forming a swelli...
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JP2006136887 |
To provide a method for radially working upon a metallic tube by which the metallic tube is worked not only in a radially projected manner but also in a radially recessed manner and further a tube end is easily worked radially without be...
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JP2006136894 |
To provide a means for processing sheared edges of a metal belt, which means can reform the shapes of side edge faces of the metal belt sheared by a slitter so as to be vertically symmetric in the direction of the thickness when the edge...
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JP3809436 |
To simplify and make compact a structure, to provide the large degree of freedom of a working range and excellent usability, and to enable efficient bending operation. A working mechanism 42 comprises first to third cylinders 66, 78, and...
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JP3809207 |
To obtain a very handy tool for working the end part of a flexible tube whose crushing condition is easily confirmed by everyone without detaching the flexible tube from the tool for working the end part. This tool is constituted so that...
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JP2006130525 |
To suppress a metallic material to be bent from being scratched or surface separated in a die for disk cartridges for forming a half body of the shell of a disk cartridge and/or a rotary shutter.In the die 3 for the cartridges which is p...
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JP3805551 |
To efficiently manufacture two kinds of works different in a shape, that an outer member and an inner member are integrally hemmed on a common line. A first hemming device 71 for a work WR of the first kind and a second hemming device 72...
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JP3804394 |
To prevent a relative deviation between an outer panel and an inner panel in preliminary bending (preliminary hemming). A sealing agent S which is mixed with a glass bead beforehand, is interposed into a hemming joining part between the ...
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JP3800963 |
To achieve the miniaturization of the whole device and cost reduction by simplifying a structure. A hem die 43 in which work W comprising an outer panel Pa and inner panel Pb consisting of a door for automobile is set, is disposed on a l...
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JP3802285 |
To form a flange at the end part of a large-sized shaft without lowering productivity by using a device low in equipment cost. In an upsetter 1 for forming a flange 3 by clamping the shaft with a die while making the one end part of a sh...
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JP3803167 |
To smoothly operate loading and unloading an inside die between flanges of a steel shapes, and to improve the workability and the productivity without requiring a special mechanism for any drawing shape. This is a drawing method of a ste...
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JP2006116588 |
To provide a squeezing method of the end parts of a deck plate by which the end parts in the longitudinal direction of a rib which has a quadrilateral cross-sectional space in the inside are always squeezed into a stable shape.This metho...
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JP2006116558 |
To make an apparatus small-sized and space saving of an installation space possible, and to reduce time and labor and a cost required to work the cavity of a rotary die or a master die.This apparatus is provided with the master die 2 whi...
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JP2006110628 |
To provide a roll flanging apparatus which is designed so as to perform return-bending by a simple means and also to be rapidly applied to the flanging work of various different members without deforming a work member, especially the rim...
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JP2006110572 |
To provide a thrust bearing structure for a rotary cam having a means for absorbing the thrust of a working cam during the forming, and capable of suppressing occurrence of troubles on quality.In the rotary cam for forming a flange part ...
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JP2006110609 |
To provide a connecting structure in which flanges which abut on parts to be attached of other members ( including a bumper reinforce and side members ) are fixed to one or both ends of a shaft member by electromagnetic forming in such a...
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JP2006110603 |
To provide a manufacturing method for a metallic bent tube, by which, when manufacturing a metallic bent tube that is joined to an object to be joined via an O-ring, an O-ring groove is formed and the rising height from the object can be...
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JP2006102752 |
To secure the desired quality of coating by finishing the opening edge part of a depressed part formed by overhang caulking into a gentle shape.After setting a knuckle bracket 2 in a prescribed position in a forming device by laminating ...
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JP2006095597 |
To provide a deburring tool for removing burrs in the slot or the cut part of a metal plate formed by blanking or cutting as the stage in the same punch press.The deburring tool 6 for punch presses has an upper die 7 and a lower die 8 wh...
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JP3789738 |
To enhance the supporting strength of an axis by enlarging the protruding height of a cylindrical part without causing any break in a burring process in formation, by burring, of the cylindrical part in which the axis is movably fitted i...
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JP3789574 |
To provide a producing die of a fin for a heat exchanger which forms a spacing tab of a prescribed height in one process. This producing die of a heat exchanger fin is composed so that the heat exchanger fin stood with a spacing tab is f...
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JP2006088171 |
To provide a pressing pad for the end part of a metal plate the number of parts of which is small, the structure of which is simple and which is composed at a low cost and a pressing method using this pad.A secondary bending device 20 is...
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JP3787252 |
To provide a vehicular window regulator and its base plate generating practically no abnormal sounds due to defective meshing of a sector gear and a pinion in regard to a window regulator rotatably supporting each on a base plate fixed t...
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JP2006075877 |
To provide a chuck apparatus for holding a workpiece as a metal shaft material or a metal tube material in a shaft enlarging machine, wherein the workpiece is simply taken out from a sleeve and also, even in the case of being the workpie...
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JP3782172 |
To provide a production device of a reduced size, in which separation of a die at forming is surely suppressed without using a large size pressure receiving block separately constructed, inclination of a split die is prevented and which ...
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JP3781092 |
To provide a flange forming method and a device capable of easily forming a flange relatively large in diameter without developing cracks by pressing a work in the axial direction thereby surely buckling it. A work W is bucked to the spe...
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JP3780745 |
To exchange a die in a short time by simplifying configuration of a device as a whole so as to restrain an installation space. On a production line 25, a work W, which being composed of a vehicle body side, is firmly positioned and conve...
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JP3781099 |
To provide a hollow product which prevents flash from generating inside and allows a fluid to easily and securely flow into the internal section mutually joined of a hollow member. A joining section 15 joined by a joining section 16 of a...
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JP2006061931 |
To provide a hemming technique by which working time is shortened and productivity is raised.This hemming apparatus 20 consists of a moving structure 30 which moves traversely toward first and second works 12, 13 and also is movable vert...
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JP2006061987 |
To provide a metal member forming method for forming a flange having a shape corresponding to the shape of an outer surface of a counter member to be bonded at an end of the metal member by an electromagnetic-forming method, and to provi...
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JP3775310 |
To facilitate the design and standardization of a hemming device while preventing degradation of workability and increase of equipment cost. A second link 17 of a toggle link mechanism 11 is lowered together with a pre-hemming blade 39 f...
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