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Patent Searching and Data


Matches 551 - 600 out of 2,814

Document Document Title
JP2006026690
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...  
JP3761656
To perform calking working with a high precision by preventing deviations in positions, etc., of respective works, also, to quickly perform the calking working, and to improve efficiency in manufacture. In this device, seating parts 11 w...  
JP3760195
To provide the device and method for bending a flange part provided on a panel upward only in one process by using a cam mechanism. This device is constituted so that the flange part 1a is bent upward by clamping the panel 1 on which the...  
JP3760872
To provide a rim for wheel having a rim flange free from any deformation or damages while reducing the weight of the rim. The rim flange 3 comprising a double structural part in which an end part of a rim part 2 in the direction of the r...  
JP2006015394
To provide a method and an instrument for easily analyzing spring-back after releasing the restriction with a metallic mold to a hemming structure joining an outer panel and an inner panel by turning up with a hem-working using the metal...  
JP3757601
To uniformly chamfer the total periphery of an edge part for a short time by pressing a ball to one edge of a hole to perform the deformation processing on an edge part of the hole, and then grinding the edge part. A nozzle body 1 of a f...  
JP3759502
To provide a pipe in which a usable space can be secured by reducing a dead space of a pipe to be arranged in a heat exchanger or the like, a working method capable of molding the pipe in less working processes, and a working device. The...  
JP3758051
To provide a manufacturing method of a hollow cylindrical body to improve the precise processability and the productivity of parts of composite shape. A collar 2 made of stainless steel sheet is rectangular before binding. The collar 2 i...  
JP2006007261
To provide a pressing method and a pressing apparatus capable of forming a negative angle folding part with high accuracy by regulating the negative angle folding part from inner and outer sides when forming the negative angle folding pa...  
JP3756299
To absorb creases and warps generated in the top corner and make smooth the surface of the top corner by arranging a creasing flange, which extends to respective curled parts of right and left top corners and stretches over the panel fac...  
JP3755130
To provide a flange forming machine forming a final rectangular flange in a flared shape by means of one kind of a forming roll. A pipe fixing base 2 composed of a mandrel T inserted to a pipe P and a chuck 3 firmly holding the outside o...  
JP2006006017
To provide a method of manufacturing a yoke for a VCM which can realize surface smoothing of the yoke for the VCM without barrel polishing or electrolytic polishing, in which the removal of a burr becomes incomplete or which easily becom...  
JP2005349425
To provide a method of producing a double pipe by which the double pipe can be produced even in a tube stock thinner in wall thickness.The tube stock 1 is inserted into a tapered hole of a clamp die and a punch is inserted into the tube ...  
JP2005349457
To provide a hemming die and hemming mold equipment which do not require the change of a mold for a pre-process and a mold for a post-process and can easily position a workpiece at the center of the mold without causing any positional sl...  
JP2005349471
To provide an apparatus for roll hemming which does not require a die, thus to obviate the period required for the designing and production of a die.In the apparatus for roll hemming, a flange 30 with a shape in which the bending part 12...  
JP2005349420
To provide a device for processing an edge of a plate stock, which processes corner parts of the side ends of plate stocks different in material kind or plate thickness into a curved face shape substantially free from ridgeline, and whic...  
JP2005351383
To provide a steel pipe with flare having the flare having excellent rigidity, strength, and durability and large width being suitable for a steel pipe column of a steel pipe, a fluid transportation pipe, and a rotary press-fitting steel...  
JP3750435
To implement both the preliminary hemming and the permanent hemming subsequent thereto in a short time with a simple structure and under simple movement. A swing arm 5 is moved from a waiting position P1 to the hemming position in an int...  
JP3752283
To execute deburring and chamfering of the hole periphery of a work punched with a press apparatus, etc., in one time of working by installing a lacked part of larger internal shape than the external shape of a punch on the face of a die...  
JP2005342764
To provide a burring device capable of efficiently and continuously performing burring.The burring device comprises a work holder 10 which has a hole 14 for burring and holds a work 50, an pressing rod 20 to turnably support the base end...  
JP2005344522
To relatively easily form a pipe with a spool on a throttle body as one unit.In the throttle body 3 having pipes 11, 12 for connecting elastic hoses thereon projected to an outside, the spool 13 is formed on a tip parts of the pipes 11, ...  
JP3748363
To suppress an oscillation arm from elastic deforming with the reaction force of pressing force in hemming a work with a hemming edge. A push up roller 24 of one end part of the oscillation arm 21 connected to an upper die 20 elevating i...  
JP2005337347
To provide a thin-walled pipe, a manufacturing method of the thin walled-pipe and a molding device of a folding back part of the thin-walled pipe whereby danger of hurting a hand in handling can be reduced, and manufacture can be facilit...  
JP2005324231
To provide a highly reliable technique for machining an edge of an end.In an apparatus for machining the edge of the end, the size of an intermediate portion having a rounded edged portion in the direction of the thickness is optically d...  
JP2005324208
To easily perform flaring work in a narrow space.In an electric flaring tool, the axial direction of a main spindle 3, which has, at one end, a cone 30 for flaring an end part of a tube 8 to be worked and is rotatably driven, and the ope...  
JP3740941
To provide a method to efficiently manufacture a light weight connecting rod, and provide a die therefor and the connecting rod. In a hydrostatic bulge forming method, in which a metal stock tube is accommodated in a die, a bulged part i...  
JP3742569
To provide a metal panel and a method for manufacturing the same which meets various dimensional requirements quickly at low costs and does not show poor appearance because of the exposure of rusted lateral edges of continuously adjoinin...  
JP3739936
To easily form a part having an expanded part with high dimensional accuracy on a tip part of a cylindrical part without increasing the number of processes. A bottomed cylindrical part 43 is formed in a flat plate 7 by drawing the plate ...  
JP3738402
To reduce forming process and to prevent fractures of a pipe stock by continuously carrying out a preliminary process in the first and the second forming processes, forming an annular flange part in the third process, forming the first a...  
JP2005313199
To provide a method for joining metallic plates with each other, which method can improve appearance of the metallic plates after joining with each other than before, and to provide a joined metallic plate structure.The present invention...  
JP2005313083
To provide a catalyst carrier made of a metal capable of enhancing an exhaust gas cleaning performance by enhancing the effect of aggressively causing a turbulence relatively to an exhaust gas passing in a cell passage.In the catalyst ca...  
JP2005305493
To provide an over-bend forming die capable of forming a product of a predetermined shape with high accuracy by bending a plate-like work at the angle of a predetermined value according to the shape of the product to be formed with a sim...  
JP2005297040
To reduce required time by continuously performing flanging and curling in a machining process by one stroke.The curling apparatus K is provided with a lower die member K1 comprising a lower die plate 2 fixedly held, a lower pad 4 vertic...  
JP2005297018
To provide a structure capable of compatibly reducing the weight of a plate and reinforcing the rigidity thereof, and a method for manufacturing the same.Two thin plates 1, 2 of different yield stress are overlapped. Burring (a hole is o...  
JP2005296957
To prevent the deterioration of workability and the increase of the cost of equipment.A frame 5 is slid and moved in the vertical direction to a base 1 through a reduction gear 27 and a toggle link mechanism 9 by driving a servomotor 25....  
JP2005289061
To conduct roll coating of the top end of a deformable sleeve container jacket without using any lubricant.The device 3 for roll coating of the top end of a deformable sleeve container jacket comprises a supporting surface 4 supporting a...  
JP2005290798
To reduce a useless part of a steel plate material and produce a form at a low cost.A plurality of swollen parts 2d where at least height H out of height H and width W gradually increases are formed from an edge 2b at one side to an edge...  
JP2005279650
To provide a plate caulking technology for obtaining sufficient joining strength by ensuring sufficient lap quantity even the diameter of a hole is relatively small.A first plate 10 with a caulking part 12 protruded therefrom is joined, ...  
JP2005279850
To make a structure for preventing cut chips from splashing, even if forming female screws of both of front and rear faces by only tapping from one side without reversing a die-cast frame.This die cast frame 1 is provided with boss parts...  
JP3723858
PURPOSE: To improve the durability of a split die for bulging at a low cost and to simply execute handling, etc., of the split die. CONSTITUTION: One pair of split dies 16, 17 forming a die main body 15 are shiftably fitted in a pipe bod...  
JP2005264996
To provide a sheet metal female screw preventing lowering of a male resisting break torque value at a screw fastening part where a hole diameter of a partner member is larger than an outer diameter of a cylindrical portion of the sheet m...  
JP3723112
To easily and efficiently manufacture a container body provided with both of a high heat insulation property and excellent heat transmissivity to a cooking material. In the method for manufacturing the container body 4 which is composed ...  
JP3722257
To eliminate the problem in which working requires manpower, a large floor space of the device is required, equipment and production costs are increased, when a press device and a die are used in hemming a panel. The hemming device H1 is...  
JP2005256869
To provide a structure of an end portion of a pipe, which structure can mount a sealing material without damaging the sealing material.A radial wall portion 4 continuously formed on a base circular pipe portion K, a first large diameter ...  
JP3718904
To simplify and miniaturize the structure of a press mechanism. A lower die 11 is provided with inclined curved edges (guiding means) 16 and stoppers 17 and an upper die 12 is provided with rectangular curved edges (holding means) 19 whi...  
JP3716741
To provide a roll hemming device having a simple structure which comprises a roller supporting part to fully exert a pressing power of a roller. A roller supporting part 20 comprises a slide material 23 which is supported at one edge of ...  
JP2005240083
To provide a method for molding an aluminum alloy material by which the moldability of a 6,000 series aluminum alloy material whose moldability is worsened, can be recovered by room temperature age hardening.In the method for molding an ...  
JP3714160
To provide a can end, the curl tip part of which does not damage a can body or a flange at seaming and in which the wrinkle impression of the can body does not occur at seaming, and also provide an end curler-forming tool for forming the...  
JP3712717
To provide a double structure drum that dispenses with a joining band and a binding operation, and also to provide its manufacturing method. The double structure drum is characterized in that an inner can (1) is inserted into an outer ca...  
JP3710388
To provide a manufacturing method of a cylinder-shaped body having a toroid protrusion on its inner surface which can process and form an extremely accu rate toroid protrusion on an inner surface of a cylinder with a high productivity br...  

Matches 551 - 600 out of 2,814