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Patent Searching and Data


Matches 701 - 750 out of 6,740

Document Document Title
JP4022472B2  
JP4025535B2  
JP2007319871A
To provide a method of manufacturing a seamless container and a die. The die 23 is disclosed which is used when bending a planar workpiece into a V-shape and provided with slopes 31A, 31B which are opposite to each other and constitute a...  
JP2007313521A
To facilitate position adjusting operation of a positioning tool for positioning a workpiece. When setting the workpiece W on a hemming die 1, positioning is performed by bringing an edge part F which is bent at about 90° toward the upp...  
JP4016788B2  
JP2007534498A  
JP2007307598A
To improve the yield of a material, to suppress the increase of cost and to raise manufacturing efficiency. By cutting a metal rolled material 4 having width size which is the same as the width size in the developed state of a bracket me...  
JP2007296557A
To provide a method for controlling a hemming device, which prevents slippage of an outer work by making the touch timing of each die-unit coincide with each other, improves a work quality, and prevents breakage of a hem die. The method ...  
JP2007296538A
To provide a method of manufacturing an electric resistance welded tube excellent in weld zone characteristic by which the good quality of welding can be held by appropriately imparting tapered shapes to the end parts of a sheet (band ma...  
JP4009261B2  
JP4009229B2  
JP2007290009A
To provide a drawing method and an apparatus therefor which can complete the forming work of a flange part after contracting a pipe in a short period of time. The drawing method is provided, in which the drawing work is performed by arra...  
JP4003056B2  
JP2007283453A
To manufacture a solid core 1, causing no burr in the edges 2B, 2C at both ends of a through hole 2. After a body part 3 of the core 1, a flange part 4 and a cutout part 4A are formed by forging, the through hole 2 of a deformed shape pa...  
JP2007283375A
To provide a method of squeezing work, which method can achieve high accuracy of the roundness formed by the squeezing work, and can form a flange portion in a short period of time after reducing a diameter of a pipe. In the method of th...  
JP2007283404A
To provide a caulked assembly, in which it is not necessary to provide a flange part in the midway of a column-like body and to manufacture a complicated special shape, which can be manufactured easily and inexpensively and can keep suff...  
JP2007275977A
To provide a press die configured to reduce the warpage generated in a plane part continuous with a boss in the case the boss is molded by burring, a burring process using the press die, a casting method using the press die, and press-fo...  
JP2007275976A
To provide a press die configured to reduce the warpage generated in a plane part continuous with a boss in the case the boss is molded by burring, a burring process using the press die, a casting method using the press die, and press-fo...  
JP3997290B2  
JP3992457B2  
JP3989641B2  
JP2007245206A
To provide a hemming process capable of excellently hemming even a 6000-series aluminum alloy panel subjected to the room-temperature aging hardening. In the hemming process of an aluminum alloy panel, a panel peripheral edge is folded a...  
JP2007245205A
To provide a hemming process capable of excellently hemming even a 6000-series aluminum alloy panel subjected to the room-temperature aging hardening. In the hemming process of an aluminum alloy panel, when a panel folded portion by a do...  
JP2007237283A
To fold a flange without squeezing a projection provided on a panel. A hemming roller 10 has a first column 40 and a second column 42 which are concentric with each other and have the same diameter, and an annular recess 44 formed betwee...  
JP3979263B2  
JP3979366B2  
JP2007229719A
To improve joining quality so that friction welding can be performed by properly holding heat balance in an abutting part between a tube and a cover. In the abutting part between the tube 1 and the cover 2, there is formed an annular pro...  
JP2007229723A
To provide a roller hemming technique which is suitable for a workpiece having a curved edge portion. A roller hemming apparatus 10 comprises a workpiece-mounting member 20 for mounting the workpiece 11, a hemming roller 30 having a prim...  
JP2007222914A
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...  
JP2007222919A
To provide a die for manufacturing a fin for a heat exchanger capable of reliably separating a collar formed in a metallic plate from a tapered surface of a tapered punch and drawing the collar from a tapered die during the die opening b...  
JP2007216293A
To provide a sprocket the addendum shape of which is formed by two working processes by solving the problem of a sprocket wheel formed by fine blanking. In the sprocket made of a steel plate which is compressed by press working, the abov...  
JP2007216277A
To facilitate a checking work to a hemming device. A hem blade attaching bracket 21 provided with a hem blade 31 is rotatable around a link connecting shaft 77 to upper and lower slide frames 15 and hemming is applied to a work on a die ...  
JP2007210029A
To provide an apparatus and a method for bending the side of a body panel for vehicles by which the finished shape and the accuracy of the body panel the end part of which is bent are improved and the body panel for vehicles. The body pa...  
JP2007210002A
To provide a new air fastener with which an L-shaped corner member is pressed and fit between the same-plate flanges as a square cylindrical duct and the prevention of fall-off is strengthened. In the air fastener for pressing and fittin...  
JP3964790B2  
JP2007185690A
To provide a vehicle body member hemming method, and a vehicle body member hemming structure capable of efficiently enhancing the hemming strength and rigidity, and ensuring the electrolytic corrosion resistance while suppressing the def...  
JP2007185691A
To provide a method of joining metallic sheets in which work such as welding and binding is unnecessary, positional shift is not caused between both metallic sheets and by which rigid joining strength is obtained when two metallic sheets...  
JP2007175761A
To provide a method for directly forming a shaft hole having a flange in a metal plate.The shaft hole forming method for forming a shaft hole having a flange part 17 on a fore end by pressing a metal plate 20 includes an erection-working...  
JP2007175890A
To provide a chamfering method of a pipe end part capable of certainly chamfering the pipe end part even in a case that the thickness of the pipe end part is deviated or the axis of inner and outer diameter are shifted, and a chamfering ...  
JP2007175728A
To prevent the buckling of a cylindrical body 2 when performing outward curling work by pressing the end parts in both side parts 2b, 2c in the axial direction with curling dies 5, 5 after forming the cylindrical body 2 composed of a dro...  
JP2007167859A
To provide a masher device which can be arranged in a horizontal pass line, and does not take much time and labor to adjust it, and can stably mash the burr generated by trimming.The masher device is arranged in a pass line which moves t...  
JP2007167953A
To provide an electric flaring machine of which the main body is reduced in volume and made light-weight, which makes operations in an unstable high position be safely performed and makes its handling simple.A slider 15 which is moved fr...  
JP2007160328A
To provide a metal tube-burring device, and a burring tool in which the burring for efficiently welding a refrigerant incoming pipe and a refrigerant outgoing pipe to each other with excellent accuracy is performed on the metal tube capa...  
JP2007152392A
To prevent the generation of wrinkles and cracks by realizing a gentle shape change by adjusting a folding angle of a flange according to hemming portions.A hemming unit 10 brings a movable die 18 into contact with the back surface of a ...  
JP2007152394A
To bring a movable die for hemming into contact with a work in a proper attitude.A movable die 18 is held by a robot 22 and is brought close to a vehicle 12, and positioning pins 62 are inserted into positioning holes 65 of the vehicle 1...  
JP2007152395A
To bend a hemming portion so as to have an appropriate shape by surely bringing a workpiece into contact with a die even when the workpiece has an erroneous shape with respect to the die, and further to prevent the strain and deformation...  
JP2007152390A
To make a roller quickly and accurately follow a flange in hemming.A hemming unit 20 comprises a hemming roller 30 for hemming a flange 17 of a vehicle 12, a robot 22 which supports the hemming roller 30 and moves the hemming roller 30 t...  
JP2007152391A
To make a roller quickly and accurately follow a flange in hemming.A hemming unit 20 comprises a hemming roller 30 for hemming a flange 17, a first groove 52 and a second groove 54 which guide the hemming roller 30 in the elongating dire...  
JP3968448B2
To provide a trimming punch capable of evenly removing as many fins as possible in one process without damaging cast parts and/or their openings. When cast metal parts are produced for manufacturing machinery, an unwanted substance calle...  
JP2007136486A
To provide working technique by which a squeezed part is closely adhered in a hemming work including curling stage and a squeezing stage.In (a) of the figure, a roller 31 is out of the projecting cam part 47 of a cam driver 44 on the way...  

Matches 701 - 750 out of 6,740