| Document |
Document Title |
|
JP2003329385 |
To provide a heat exchanger having sufficiently high heat exchange capacity by sufficiently securing the contact area of a fin collar and a heat transfer pipe inserted inside.This heat exchanger fin 31 has a plate-like fin body 32, and t...
|
|
JP2003326320 |
To perform large-scale bending without causing cracks, burrs and necking by press working for forming a bent part on a part of a metallic sheet.The bending method of the metallic sheet for forming the bent part by bending at least a part...
|
|
JP3492642 |
To provide a metal film structure of a good quality by simplifying a negative angle forming die so as to make inexpensive precise. The negative angle forming die consists of a lower die for mounting a metal plate work on a supporting par...
|
|
JP3492797 |
PURPOSE: To achieve the burring of a metallic tube in a short time, and to finish it beautiful. CONSTITUTION: In a burring method, a jig having an inclined part 15 is inserted in a metallic tube 90 with a lower hole 91 formed therein, th...
|
|
JP3492165 |
To make it possible to mold caps having the plural kind of sizes, and also capable of making a fine adjustment at the time of molding them. This device is constituted so as to mold a cap having a cylinder portion Sa by draw processing of...
|
|
JP2003321723 |
To provide an Al-Mg-Si based Al alloy sheet which has excellent bendability such as hemming in particular even if subjected to room-temperature aging and also has excellent press formability, low-temperature age hardenability, etc.As the...
|
|
JP2003320422 |
To provide a motor-driven apparatus for forming pipe flange capable of stopping only the advancing action while maintaining the rotational force of a forming member at finish machining.A flange 56 is formed at the end part of a metal pip...
|
|
JP2003320428 |
To provide a hemming device which is small in size as a whole, has a simple structure, is manufactured at a low cost and, in addition, generates no strain in an outer panel.A hemming device 10 equipped with a bending die 70, having a pre...
|
|
JP3489598 |
PURPOSE: To form branch pipe parts with a uniform thickness and high accuracy while preventing the formation of flaws on burring inside surfaces if the material of a base pipe is a soft material (aluminum alloy, etc.). CONSTITUTION: This...
|
|
JP2003311348 |
To provide a compact exchanging system in which upper and lower press dies are exchanged in accordance with change in the type of workpiece, in a hemming device for performing hemming process on an automobile door panel, for example.In t...
|
|
JP2003311337 |
To provide a compact bender for reducing noise, preventing an oil leakage, and requiring no piping space in a hemming device to fold an edge part of a work by pressing a bending blade against the work.The bending blade is provided in an ...
|
|
JP2003311347 |
To provide a rotary cam press that causes no failures such as deflection or difference in level in the end part of a workpiece, even if negative angle forming is applied on a curved end part of the workpiece using a plurality of rotary c...
|
|
JP3488266 |
PURPOSE: To prevent the cracking phenomenon from occurring at the time of forming by pressing a bending edge part continued at a specific height on either side of front or back face at the edge part of a square like opening part drilled ...
|
|
JP3488275 |
PURPOSE: To reduce the defective influence of thermal strain, etc., given onto an outer panel of a die or a hemming part and to improve the thermal energy's efficiency in a hemming time of thermosetting a thermosetting adhesive interposi...
|
|
JP2003305567 |
To reduce difficult welding works and perform improved workability, prevent wide quality dispersion, and reduce the connecting strength when a gusset plate is connected with a pipe member, and prevent bead increase and visual impair when...
|
|
JP3485777 |
To chamfer one end part inner edge of a cylinder formed from a metal stock and to smoothen the periphery of the one end part. After a bottomed cylindrical work stock R is formed in an upstream process Or, in a next bottom face press proc...
|
|
JP2003290841 |
To adequately bend a steel plate formed so as to have an edge part along an arc of a virtual circle without any trouble on the edge part.A forming roll set 1 disposed on both sides of a reference forming roll set 1' forms a movable formi...
|
|
JP2003290853 |
To easily manufacture an aluminum cup-shaped casing of non-circular (dissimilar) shape, roundness of small radius at corner parts, and thin-walled and relatively high shape and structure with high dimensional accuracy and excellent yield...
|
|
JP2003285121 |
To form a flange with a small burring bend radius which can secure a larger seal area than a conventional flange without extending a seal seating face outward in its radial direction whereby the flange can be made compact.The method for ...
|
|
JP2003285128 |
To provide a forming method for a hollow member and its end which is superior in design and also low in price by processing the end integrally with a middle part.The forming method is provided with a process, in which a hollow tube 16 ha...
|
|
JP2003269428 |
To provide structure in which a forming accuracy is maintained without damaging a screw portion on the screwed sheet metal side by a non-screw portion in a technique to screw a thin fixed sheet metal.A thin fixed sheet metal 3 is placed ...
|
|
JP2003266130 |
To easily bend a sheet metal having desired length and thickness at desired width and angle at a job site.This bending tool has a constitution in which a pair of rotary circular, truncated conical or conical guide rings 14, 15 are provid...
|
|
JP2003266129 |
To provide a hemming method for simplifying a hemming device and performing adequate working at low cost, and the hemming device used therefor.This hemming device comprises a lower die 102 to set the work W at a predetermined position an...
|
|
JP3474698 |
To enhance the fatigue strength at the connecting part between a flange and pipe with simple working, high productibity inexpensively. A reinforcing pipe 2 having the outer diameter smaller than the inner diameter of a main pipe 1 is ins...
|
|
JP2003260526 |
To provide a cam device which can quickly and easily conduct positioning of the front end of a tool, confirmation work, and maintenance, inspection, and replacement work of a coil spring without complicated work such as dismounting from ...
|
|
JP2003260519 |
To provide a flaring tool capable of easily executing flaring work even in a small working space, and preventing erroneous operation.When a handle 22 is rotated alternately forward and backward to one direction (e.g. clockwise) and the d...
|
|
JP2003260524 |
To provide a method for pressing a mold having a cylinder part with a curl which can perform burring and outward curling as post treatment without cracking and breaking by chamfering the periphery of a punched hole after punching and can...
|
|
JP2003252352 |
To provide a screw lid made of a metal which has extremely good appearance and is smoothly opened and closed and has a high lid covering strength, and a method for manufacturing it.A circular top board 2, a cylindrical skirt part 3 conti...
|
|
JP2003251416 |
To provide a device for pressing and forming the end parts of a hollow material efficiently and accurately though the end parts are formed with punches by inserting core dies for satisfying a required formed shape into the hollow materia...
|
|
JP2003251415 |
To provide an apparatus and a method for bending the end face of a cylindrical body having high flexibility by which the edge of the end face of the cylindrical body can be calked in one process and easily applied to the cylindrical body...
|
|
JP2003251417 |
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 fo...
|
|
JP2003251422 |
To provide an auxiliary bending roll of a bending machine for accurately bending the reinforcing plate of an outer wall panel.This roll is the auxiliary roll 14 for using for the bending machine with which the side edge of the reinforcin...
|
|
JP2003251424 |
To provide a desired working at a predetermined position of a bottle can even when the can is thermally inflated.A bottle can manufacturing device has a position regulating means 80 to regulate a working machine at a predetermined positi...
|
|
JP3465151 |
PURPOSE: To facilitate connection and arrangement of the connecting head by forming a swell-out wall by inwardly crooking an expanded diameter part in which a reinforcing ring is inserted to make the whole of the connecting part compact....
|
|
JP2003236638 |
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 ri...
|
|
JP2003236637 |
To easily manufacture a two-piece wheel by plastically forming regular curls of a rectangular section on both ends of a metal cylindrical member, and directly forming a rim from the cylindrical member.A drop center part is formed on a ba...
|
|
JP2003236636 |
To easily manufacture a two-piece wheel by plastically forming regular curls of a rectangular section on both ends of a metal cylindrical member, and directly forming a rim from the cylindrical member.A drop center part is formed on a ba...
|
|
JP2003230921 |
To provide a compound press die capable of performing highly accurate machining, when a work is subjected to inverse bending and pierce machining in a pressing process by the compound press die 1.The compound press die 1 comprises a pier...
|
|
JP3461748 |
To manufacture a part item having a bend clinching part such as a complicated vehicle door with a molding roller and a robot alone without a need for joint usage of a portional die or the like. A hemming processing method and a hemming p...
|
|
JP2003225721 |
To provide a hemming system favorable for works of small lot multi- production in which the lower die setup accompanied by the change of the kind of the works can be performed with excellent workability.In this hemming system in which a ...
|
|
JP3455946 |
To provide a burring die capable of releasing a work from the burring die only by moving the work upward after the burring of a side surface of the work. This burring die comprises a die main body 2 having a thick- walled part 2a and a t...
|
|
JP3454107 |
To prevent the generation of spring back in an outer plate surface and to improve the quality of a panel by providing a thiner part than other part in plate thickness in a flange part of an outer panel forming a heming structure within t...
|
|
JP2003205323 |
To provide a press die which causes no flange deformation in the case that punching and flange bending are consolidated into one process.The press die performs, continuously to punching, bending of a flange on the inner circumferential e...
|
|
JP2003205321 |
To provide a burring processing method for forming a boss part which has a small wall thickness deviation and molding height higher than before, and to provide a die for the same.A sheet metal to constitute a cylinder material 81 is extr...
|
|
JP2003205320 |
To provide press processing equipment which can carry out draw-back bending cam and punching to an end of the same workpiece with one turning cam without damaging a punching die formed at the turning cam by the running of a piercing punc...
|
|
JP3452757 |
To provide a press forming die which produces an article without faults of the deformation of a flange part or a collar root, etc., of generating in the time of pressing. A punch 33 has a large diameter part (B part) and a small diameter...
|
|
JP3452491 |
To provide a punch holder device capable of attaching/detaching a punch tip to/out of a punch holder with one touch. A locking piece 37 capable of projecting to or retreating from the inner peripheral surface of this punch loading hole 9...
|
|
JP3452756 |
To provide a press forming die which produces an article without generating fault of deformation or crack on a root of a collar of a metal sheet with a flange collar piercing hole. A die 36 is composed of an inside hollow member 35 havin...
|
|
JP3452165 |
To shorten a robot teaching time for adjusting rolling pressure of a roller in comparison with the conventional hemming method in which hemming is performed by utilizing rolling-press action of the roller of the tip part of a robot arm. ...
|
|
JP3451592 |
PURPOSE: To finish with a good appearance by partially pressing only a partial range of a corner part and deforming in an initial period of a preliminary bending at the time of machining the corner part of a hem flange. CONSTITUTION: A c...
|
