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Patent Searching and Data


Matches 701 - 750 out of 6,714

Document Document Title
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...  
JP3964221B2
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 pie...  
JP2007130674A
To obtain a flange forming apparatus of a tubular material which is miniaturized by simplifying the structure.This apparatus is provided with a forming roller (10) which is rotatable around the axial center orthogonally crossed with the ...  
JP3960769B2
To aim at providing a pipe clamp for flaring tools which copes with a pipe diameter difference due to unevenness in a diameter or workpiece pipe and has a good workability. The pipe clamp is made up as follows: A clamp member which has a...  
JP3961298B2
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 ...  
JP2007125591A
To provide a folding method for forming a rising part of a workpiece by folding the workpiece, then folding the rising at an acute angle, and to provide a punch press.The folding method is used with a punch press provided with a workpiec...  
JP2007125592A
To provide a folding method for folding a rising part of a workpiece at a right angle, and a punch press.The folding method is used with a punch press having a workpiece-moving/positioning device for freely moving and positioning the wor...  
JP3957410B2
To increase the height of a shaft part compared with the thickness of a plate, or to increase the thickness of the shaft part. In a method for integratedly forming a projecting shaft 2 with the height larger than the thickness of a plate...  
JP2007118019A
To provide a mechanism for opening a downward engagement part of an end-closed deck plate capable of locally opening one engagement part (the downward engagement part) outwardly into a plate shape in order to eliminate a trouble that the...  
JP2007118020A
To provide an end-closed deck plate working device capable of preventing formation of a multi-folded portions of the large overlapping number in a center part of the width direction of a ridge face when forming an end-closed beam placeme...  
JP3951275B2
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 f...  
JP3952333B2
To continuously conduct all processes of a can barrel forming for a flat square can. A forming head 5, which is provided with a barrel bending male die 6 and a hem seaming male die 8 for a flat square can at respective diagonal positions...  
JP3952991B2
To adjust a length of a pipe simultaneously with forming an enlarged part by plastic deformation, in a method of manufacturing a pipe having the enlarged part on its end part as the joint part. An arbitrary position of the pipe 20 is cla...  
JP2007111753A
To provide a chamfering method for easily chamfering a product even when a work is a thick plate, and a die.In the chamfering method for chamfering the end face of a plate-like product, space parts 39A, 39B are provided in parallel with ...  
JP3949317B2
To provide a hemming device small in installation area and height, large in versatility ratio, and simple in structure. A blade mounting base 3 having a blade mounting part 5 on its upper edge is mounted on a side of a lower die 1 slidab...  
JP2007105747A
To suppress the generation of defective forming such as wrinkles and overlapping by dispersing the surplus of a material which is generated when performing the bending work of an edge part in the periphery.In a press die with which the e...  
JP3938979B2
To work a tube which has a cylindrical part which is larger than the diameter of the tube in the end part of the tube and off-centered and has a taper part between the cylindrical part and the unworked part without generating buckling wi...  
JP2007083296A
To acquire an edge treatment method for a sheet metal material, which can easily obtain a desirably-crushed edge face, by preventing the sheet metal material from shifting laterally during swaging work.The sheet metal material 5 having t...  
JP2007083255A
To provide a hemming die with which biting is prevented from generating.This hemming die is provided with a movable die 5 on a die base 3 freely vertically movably and a punch 13 which can be engaged to and disengaged from an acute V-gro...  
JP2007075868A
To prevent an excessive adhesive from oozing in pre-bending, so that man-hours for hemming are reduced.When forming a hemming part 6 for joining a 1st flange 10 of an upper panel 2 and a 2nd flange 12 formed at a tank cap 5, a bent end p...  
JP2007075869A
To provide a burring-working method with which development of crack at the tip end part of a flange is prevented.A preparatory prepared hole 6 having diameter d1 is formed by blanking a plate material 3 and a prepared hole 5 having diame...  
JP3928843B2
To prevent a degradation in airtightness between a joint flange 11 and another casing due to deformation of the joint flange 11 without using a reinforcement, in a vessel for a heat exchanger comprising a barrel part 10 and the joint fla...  
JP2007061837A
To improve the efficiency of flare-forming work and to prevent the occurrence of a trouble such as tendovaginitis by assisting the operation of a flare forming tool without making any change on an existing flare forming tool.This attachm...  
JP3927790B2
To obtain a fuel inlet which is made light in weight without lowering strength. A taper part 24 the diameter of which is expanded toward an end side of a pipe and a larger diameter part 21 where is connected to the taper part 24 are form...  
JP3925061B2
To provide a press mold apparatus capable of efficiently forming a panel, containing a dead space, in a signal press operation. A mold apparatus 11 comprises a lower pad 22 arranged movably up and down on a lower mold 20 while being ener...  
JP3925636B2
To separate auxiliary pads from main pads in a mold for bending process and to simplify a moving structure of auxiliary pads. By using a flexible part 22, an auxiliary pad 15 is set to a main pad 14. Because of the flexure of the flexibl...  
JP3926773B2
To provide a method for manufacturing a spring assembly capable of expecting a reliable caulking state. The spring assembly comprises an annular plate 1B; and a compression coil spring 2. In a method for manufacturing the spring assembly...  

Matches 701 - 750 out of 6,714