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Patent Searching and Data


Matches 701 - 750 out of 6,845

Document Document Title
JP4306507B2  
JP2009166078A
To provide a flange which has strength necessary to open and to mount an overcap, which has no risk that a hand and a mouth are cut by a flange edge and which is combinable with a filling and sealing machine for synthetic resin container...  
JP4305889B2  
JP2009160641A
To easily manufacture a narrow metal strip having the excellent shape accuracy by removing any angles or burrs formed during the slitting, and straightening any bend generated during the slit.A metal strip slit by a slitter is passed thr...  
JP2009160655A
To provide a press forming method capable of preventing occurrence of stretch-flange crack while using a conventional press forming apparatus in the case of press-forming a formed member with flange.This method is characterized by the sh...  
JP4295975B2  
JP2009148820A
To provide a manufacturing method of a component formed by roll forming from a high-strength steel sheet and an ultrahigh-strength steel sheet, which is used to prevent generation of delayed fracture or brittle fracture.The manufacturing...  
JP4293818B2  
JP2009136878A
To reduce the cost while obtaining good quality by allowing an inner periphery bent portion which is set to a workpiece having a frame-shaped portion to be hemmed in a single step with a single platen.A lower platen 3 is provided with a ...  
JP4274638B2  
JP4270531B2  
JP4270980B2  
JP2009113078A
To provide a press-working die, where, upon negative-angle press-working, press-working under the press-working conditions more severe than those in the conventional one is made possible, further, the subdivision of the die is avoided, a...  
JP4269526B2  
JP4267539B2  
JP4263713B2  
JP2009095841A
To provide a hemming apparatus having a higher versatility.In the hemming apparatus 10, when hemming work is applied between an outer lower panel 26 and an inner panel 28, a movable part 42 of a die 16 is disposed on a position abutting ...  
JP2009090350A
To provide a burring device by which all of the inner peripheral surface and the outer peripheral surface of a tubular projecting part are accurately formed.This burring device is provided with: a burring die having a punch opening part ...  
JP2009082930A
To provide a method and apparatus for forming a tubular material with which a projecting shape such as bulging, a rib, etc. can be easily formed not only on a straight-tube-like tubular material, but also on a bent tubular material, and ...  
JP2009082976A
To simplify a lubrication mechanism for a burr forming section in a press forming apparatus.In the press forming apparatus, a punch 8 and a die 3 move together to press upward a circumferential part of opening 21, which is prepared in ad...  
JP2009078275A
To provide a method of working a branch hole, in which a flange is easily formed on the branch hole formed on a metallic pipe.A lower hole 8 is bored in the middle of the metallic pipe 1. Then, a pin 17 is inserted into the lower hole. A...  
JP2009078291A
To provide a forming apparatus and a forming method by which workpieces such as panel parts are efficiently formed by operating a plurality of forming means which are different in a stroke necessary for performing working by one drive so...  
JP4254223B2  
JP2009515072A  
JP4253140B2  
JP2009066605A
To provide a press forming apparatus capable of enhancing the working efficiency of discriminating the suitability of the bending angle of a flange part.The press forming apparatus for forming a flange part 7 by bending an edge of a flat...  
JP2009061466A
To provide a press die and a press method, capable of continuously performing the bending process and the straightening process in one step with a simple constitution while suppressing generation of wrinkles.The press dies 1 for bending ...  
JP4242943B2  
JP2009056494A
To provide a method and an apparatus for more efficiently manufacturing a cylinder device that has an opening edge of its base shell subjected to machining of rocking-curling and has less variation in the residual axial force to affect a...  
JP2009050881A
To provide a supporting implement for supporting a rotary cam in the inclined state so that a surface to be worked can be worked from above by using a working apparatus the working head of which is not inclined and to provide a rotary ca...  
JP2009041692A
To provide a pipe temporarily fixing method applicable to a thin fixed object member for performing brazing thereto without temporarily fixing it with a tool.The pipe temporarily fixing method is provided for temporarily fixing a pipe 30...  
JP2009028757A
To provide a tube expansion method capable of preventing tip cracks when expanding a tube.This tube expansion method comprises: a curling step for forming the edge part 14 where the entire circumference of a tube end is bent outward at l...  
JP4221412B2  
JP4221937B2  
JP4219458B2  
JP2009018313A
To provide a manufacturing method of a vehicular wheel which forms a hub hole of a predetermined hub hole diameter, and a hub hole flange portion with an opening end portion of a predetermined outer peripheral diameter, without performin...  
JP4213087B2  
JP4212142B2  
JP2009006344A
To attain the reduction of cost by more miniaturizing the structure of a guide part when a frame provided with a hemming blade is linearly moved.A ascending and descending bracket 13 is attached to the main frame 11 ascendably and descen...  
JP2009006353A
To provide a method of chamfering workpieces, which has mass-productivity and by which the working cost is reduced.A hard container is prepared, the workpieces (fine metal chips, for example) are charged into the container and liquid is ...  
JP2009006392A
To make the inside diameter ID of an annular sealing surface 14 smaller while suppressing the drop of strength in the bent portion between a flange part 11 and the cylindrical part 12 when forming the flange joint 10 with the cylindrical...  
JP2009000726A
To provide a device for flanging metallic tubular members with which a flange is formed without applying stress to the metallic tubular member in the axial direction.By outside-fitting and fixing an end part 8a of a shell 8 with a clamp ...  
JP2009000738A
To simplify a hemming machine and improve workability for maintenance by constituting the machine so as to perform bending on a part of work to be bent by moving a hem punch when bending, without need of a cushion holder and gas spring t...  
JP4204018B2  
JP4206286B2  
JP4203221B2  
JP4183973B2  
JP2008272788A
To provide a method for forming a stepped part on an end of a metallic square tube without causing any distortion such as wrinkles on an upper face of the stepped part and an upper face on the center side of the square tube.An inner die ...  
JP2008264794A
To provide a method of forming metallic sheets by which a press forming is performed so that the boundary between metal and glass-like coating is not apparent in the inner peripheral surface of a hole formed by punching work.A skirt part...  
JP4177107B2  

Matches 701 - 750 out of 6,845