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Patent Searching and Data


Matches 351 - 400 out of 1,212

Document Document Title
JP4207319B2
To stably form a narrow groove in a metallic plate by forming a rough approximately U-sectioned groove having wider width than desired groove width and then forming a groove having the desired width by reducing the width of the rough gro...  
JP4201090B2  
JP4179890B2  
JP4173817B2
The invention relates to a heat exchanger, especially a heat exchanger for motor vehicles, comprising a bank of tubes through which a gaseous medium flows and around which a liquid coolant flows. The ends of said tubes are received in tu...  
JP4168590B2
The object of the invention is to provide a rack shaft having two rack teeth groups (A2,B2) and hollowed throughout the whole body, to lightweightize the shaft and to reduce the cost. The two rack teeth groups (A2,B2) are located longitu...  
JP2008229726A
To provide a roll grooving apparatus for pipes which is high in durability and excellent in tracking performance.This grooving apparatus is provided with a grooving roll and a back-up roll which are relatively displaced with a feed screw...  
JP2008221248A
To improve processing accuracy of spline forming by a roller forming apparatus.The roller forming apparatus 1 includes a plurality of rollers 1 arranged around a feed shaft OW of a workpiece 5, an inner ring 27 which freely rotatably hou...  
JP4109698B2  
JP4102095B2  
JP4036044B2  
JP4023714B2  
JP4020678B2  
JP2007533464A
A shell tube and heat exchanger (10) includes a plurality of tubes surrounded by a shell (16). Each tube (12) includes a plurality of indentations. A mold is placed in a desired positions and orientation in a die. A tube is placed in a f...  
JP2007530886A
A method for connecting pipe elements together end to end. The method includes providing a coupling having a plurality of segments with at least one camming surface, the segments being joined end to end by a plurality of adjustably tight...  
JP2007530887A
A method for connecting pipe elements together end to end. The method includes providing a coupling having a plurality of segments with at least one camming surface, the segments being joined end to end by a plurality of adjustably tight...  
JP2007530288A
A method for connecting pipe elements together end to end. The method includes providing a coupling having a plurality of segments with at least one camming surface, the segments being joined end to end by a plurality of adjustably tight...  
JP3995182B2
In production of hollowed rack bars from steel tubes (3) for use in steering equipment for automobiles and so on, a part of length of the steel tube to be processed and its adjacent parts is held in split dies (5, 6) encircling a whole c...  
JP2007218566A
To prevent cracking in a groove or a fin during manufacturing. The ratio (R/δ) of the circular radius R mm of a bottom angular part (2b) of a groove (2) for the bottom width δ mm of the groove (2) is 0.10-0.25, and the ratio (r/δ) of ...  
JP2007216256A
To provide a user-friendly manual tool for roll machining of a metal sheet with which a metal sheet is formed into a roll having a projected line without applying strong force to the metal sheet, and which enables an operator to perform ...  
JP3963526B2
To simplify and economize the system and to solve the backlash problem by using an air cylinder for sliding the body of the pipe terminal processor. A feeding device 40 of the pipe terminal processor is as follows: The front bar 41 and t...  
JP2007190570A
To provide a feeding method in a press machine, which method can automatically feed thin sheets to the press machine, and can carry out press work with industrially excellent productivity, and further to provide a feeding device. A feedi...  
JP3942209B2
To enhance the easiness in processing a cylinder groove and simplify the mounting structure of a processing roller and a guide roller. A gas cylinder device concerned has a cylinder 2 which is provided at the bore with a cylinder groove ...  
JP2007144433A
To provide a rack for steering apparatus and manufacturing method therefor with which the rack is light weight and the degree of filling of a blank to a tooth form is improved and the forming precision of the rack tooth is improved.In a ...  
JP3923444B2
To provide a method and a device that can apply a press working to a recess portion with high precision on a headrest stay consising of a metallic pipe material and can reduce press-working cost. A plurality of roll punches 36A-36D, 37A-...  
JP2007512960A
A method for producing vehicle parts is provided, particularly shell parts for vehicles, according to which a three-dimensionally preformed semi-finished or finished standard part, especially a standard shell part, is produced for a seri...  
JP3908820B2
To improve the stability, the high speed rotation property, and the durability of the working tool by providing a plate-like ball holder for holding balls in prescribed positions. By using an adjusting plate 3, a mutual distance in the a...  
JP3901551B2
To facilitate forming of a pipe rack while breaking of a mandrel is avoided in the formation of a pipe rack by using a tooth profile die and mandrels. In the pipe rack forming method, in a state that a pipe forming body 1 is held by the ...  
JP2007038266A
To provide a forming apparatus and a forming method of a thread groove by which the thread groove is formed on a metallic tube while preventing the generation of thin portions which can not be allowed for the metallic tube and a metallic...  
JP2007038236A
To suppress the camber of a work and also to accurately form a joined part with respect to a groove forming apparatus of a heat exchanger tube.The groove forming apparatus of the heat exchanger tube is constituted so that a first grooved...  
JP2007021547A
To provide a pipe working apparatus with which a bulged part or a grooved part is formed on a pipe by simple constitution.A driving and forming part 3 which is rotated with a driving rotary shaft 2 connecting to a driving means is instal...  
JP3872385B2
To provide a fluted plug made of a sintered hard alloy being a tool for plastic work exhibiting sliding characteristics such as low friction coefficient and excellent wear resistance and having excellent heat resistance and oxidation res...  
JP3868174B2
To provide a support with a costless reflecting body which is low in the forming cost, since a recess for a reflecting body can be formed at an optional position without restriction of manufacturing conditions, in supports for an inexpen...  
JPWO2005035159A1
The roll support block 10 has four stages of rolling rotary rolls 6 to 9, and the roll support block 10 moves by being guided by the guide hole 13 of the pipe holder 5. The rolling rotary rolls 6 to 9 are pressure-welded to the hollow pi...  
JP3848952B2
To provide a headrest stay processing method capable of preventing defective accuracy by excess material, saving a space required for performance, and realizing high productivity. A headrest stay is inverted in the right-to-left directio...  
JP3845775B2
To mold a given groove on an inner surface of a cylindrical element in a manner that it can be used permanently. This groove processing device is composed of a guide member 1 inserted and mounted in a cylinder element C, having a flat gu...  
JP3846643B2
To improve processing workability of a cylinder groove. This gas cylinder groove processing device 20 for gas cylinder device, which forms a cylinder groove 6 capable of generating elongating side damping force at the inner circumference...  
JP3838321B2
To provide a method for efficiently manufacturing a hollow rack bar while increasing the work quantity in one working process, and a device therefor. The hollow rack bar manufacturing device comprises a die 1 to position and hold a hollo...  
JP3827402B2
To form grooves with a uniform depth formed on an inner diameter face of sleeves composing a fluid bearing. Because a rotary driving part 1 attached with a machining tool 5 is supported with a linear driving part 2 through a free moving ...  
JP3807698B2
To permanently realize the smooth rolling condition of a work roller while preventing meaningless complicated constitution in the case of forming an inside diameter groove on an inner circumference of a cylindrical body as designed. A gr...  
JP3807699B2
To form a groove in an inner circumferential surface of a cylindrical body in an optimum manner so that a smoothly rolling condition of a work roller can be permanently realized. A grooving device comprises a guide member 1 which is inse...  
JP2006181588A
To efficiently perform grooving work with a press while allowing more workpieces 1 to be arranged in a limited space by narrowing the space required to working per the workpiece 1.This grooving press die has a fixed cylindrical guide 11 ...  
JP3796532B2
PCT No. PCT/GB95/01415 Sec. 371 Date Dec. 17, 1996 Sec. 102(e) Date Dec. 17, 1996 PCT Filed Jun. 16, 1995 PCT Pub. No. WO95/35196 PCT Pub. Date Dec. 28, 1995An apparatus for forming grooves in the cylindrical surfaces of tubes or rods ha...  
JP3792690B2
To provide a manufacturing method of a profiled heat transfer tube for heat exchangers by which a petal-like profiled cross-sectional part is easily formed on the heat transfer tube without generating break in the bottom part of a concav...  
JP3794341B2
To provide a tube with a grooved inner face which is manufactured at high yield without causing break by a roll rolling method and a manufacturing method for it. A tube 1 which consists of copper or copper alloys, is an unannealed H-mate...  
JP3790647B2
To provide a tool and a method for forming a recessed part to easily form a recessed part of a desired depth without breaking any structure of a work or a recessed part forming tool even when small recessed parts are formed at high speed...  
JP3788285B2
To provide a method and apparatus for forming a groove of a metallic foil capable of forming a bar groove on both surfaces of the metallic foil that generates less twisting or bowing or the like. In the position where consecutive bar gro...  
JP2006142333A
To provide a connecting apparatus of pipes by caulking by beading which is utilized in a pipe other than a straight pipe so that the outline shape in portions other than a connecting part is a curved pipe or the like and also automated b...  
JP3779997B2
A method and an apparatus for forming circumferentially extending necked and flanged parts at an end of a bilaterally open hollow cylindrical body. First and second axially aligned shafts carry axially displaceable first and second inner...  
JP3772090B2
To provide a method capable of preventing generation of the burr of a root part of a tooth width end part and efficiently manufacturing a member when a tubular member having a rack used for a steering apparatus of an automobile is manufa...  
JP2006110559A
To provide a bottle can manufacturing method by which a skirt part of a bottle can is highly accurately formed, consequently a bottle can with a cap obtained by screwing the cap to the bottle can is satisfactorily unsealed and resealed, ...  

Matches 351 - 400 out of 1,212