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Patent Searching and Data


Matches 651 - 700 out of 2,862

Document Document Title
JP2006116604
To provide a bending device which is compact in size and requires only a small installation space.The bending device includes a fixed mount 48 having a chuck mechanism 46 gripping a workpiece 4 attached thereto, and an articulated robot ...  
JP3796611
To provide a manufacturing method for a curved composite material which can prevent surface roughness and ensure uniformity of inside and outside wall thickness. The manufacturing method for the curved composite material is employed to m...  
JP3798082
To provide a bending device for a hollow double pipe that is used for example for the exhaust pipe of an internal combustion engine, a bending device capable of superior bending even in using a thin inner pipe. An inner mandrel 5 is inse...  
JP2006110582
To provide a method and a device for bending a bar-shaped work capable of continuously bending the bar-shaped work such as a pipe with an arbitrary curvature in an arbitrary direction.The bending device comprises a feed mechanism 1 to fe...  
JP2006102781
To provide a manufacturing apparatus for the bent part of a multi-hole pipe with which the bending part having a good shape can be formed on the multi-hole pipe without being affected by a partition wall for partitioning the interior of ...  
JP3791850
To provide the metal twisted wire bending device capable of executing bending in a same plane without causing (rise) and easily executing two dimensional bending in high quality. In the device consisting of a pair of first chucks 8a, 8b ...  
JP3793762
To provide a metal bar bending device and method that suppress thinning on the ridged side of the bar and that enable the bar to be bent at a prescribed bend radius (curvature). The device is equipped with: a heating means 11 for annular...  
JP3792348
To produce a tube with multistage fin of the high quality at low cost by executing snake-bending which bends a tube with a fin to be worked in a snake shape form and stage bending of the meandering tube with a single device. When startin...  
JP3790985
To provide a method and a device for bending a metal frame capable of bending the metal frame in a desired bending shape without requiring any complicated post-treatment work in a flange corner part of the metal frame. A metal frame memb...  
JP3792459
To hardly cause a flaw on the surface of a work, to hardly cause buckling to the work and to hardly cause a wrinkle on the inner peripheral face of the work. A device is provided with a fixed die 1 having a work passing through hole 3 an...  
JP2006088178
To provide an apparatus for bending a pipe, which apparatus has a simple configuration and does not cause wrinkles on the inside portion of a thin wall pipe when bending the pipe so as to have a comparatively large radius of curvature by...  
JP3785926
To provide an apparatus and a method for forming a U-shaped conductor, by which the time needed for taking out a formed product after forming it can be shortened. This apparatus for forming the U-shaped conductor comprises a holding part...  
JP3786450
PURPOSE: To produce an elongate hollow body in which a cross sectional contour are varied impossible in a conventional method by bending a sheet-metal blank in the plane vertical to the sheet-metal blank when progressing a closing action...  
JP3783746
To theoretically estimate a shape of wrinkle (wrinkle depth, wrinkle wave length) and the buckling limit of a bending inner side wall in the bending of a hollow shapes. In a square shaped hollow shapes having a bending inside wall being ...  
JP2006075881
To provide a bending apparatus, by which a bend part of a pipe is bent at curvature as small as possible, and crushing or buckling is hardly caused at the bend part.The bending apparatus is provided with: a bending die 2 of a pipe 1; a c...  
JP3781456
To improve homogeneity of tube circumferential material by inject cooling water to tube peripheral position wherein the temperature at the heating part of metal tube becomes the highest value and increasing the injecting quantity gradual...  
JP3781489
To obtain a bending device having a cutting mechanism capable of efficiently bending and cutting. An expanding member 8 larger than the inner diameter of the pipe 1 is inserted into the pipe 1 to push the pipe 1w out in the axial directi...  
JP3782524
To provide a wire bending equipment capable of arbitrarily selecting the bending speed and bending radius, reducing the variance in the bending radius, preventing the breakage of the wire, and measuring the bending load and bending angle...  
JP2006068763
To provide a bending method for applying a bending work to have a shape of a smooth curved surface in the longitudinal direction of a thin follow bent metal sheet by simple operation.In the bending work in the longitudinal direction of t...  
JP3778961
PURPOSE: To provide the production method of a cylindrical member for an automobile structure to produce the structure having the cross section of approximate polygonal shape bent in two or three dimensional directions without generating...  
JP3778421
To provide a technology capable of optimizing the supply of working oil to the working section at the time of bending a long sized stock using an oscillating forming member. An oil application control portion 78 which receives a curvatur...  
JP3776411
To provide a coiling bender which can automatically form the internal piping etc., of, for example, a water heater by subjecting a pipe-shaped work to prescribed bending and can form bending sections to prescribed shapes. The stationary ...  
JP3776605
To provide a device for bending a bar stock, capable of bending a bar stock such as a frame welded to a shell of a hull automatically into an optical shape. On the inside of an outer framework 4, through a spherical bearing composed of s...  
JP3773735
To conduct a desired bending by predicting a spring back angle in a high precision without conducting bending trial. As a spring back angle generated in bending a hollow shape 1 made of metal, an angle δθ satisfying the formula 1 in th...  
JP3773736
To predict a bending radius at a buckling limit of a shape made of aluminum alloy in a high precision. For a bending radius at a buckling limit in bending a shape made of aluminum alloy, a bending center radius R satisfying the formulas ...  
JP3773307
To provide an equipment capable of effectively controlling generation of sectional deformation and wrinkles with a simple structure. One of a pair of shut-off members 50, 52 to be inserted in a tube 4 across a part to be bent of the tube...  
JP3773311
To restrain the generation of cross section deformations and wrinkles with a simple structure and process in the case of bending a double tube. In the case of bending the double tube by holding the double tube 4 having an outer tube 4a a...  
JP2006043765
To provide a method for bending a pipe by which the occurrence of wrinkles on the bent inner side of the thin-wall pipe is prevented during the bending in a comparatively large bend radius, and to provide an apparatus for bending the pip...  
JP2006043774
To provide a bending machine with which automatic clamping to a die is also made possible for large tubes.A vise for clamping a slender workpiece to be bent on the die 2 of the bending machine is provided with a movable jaw 35 on which a...  
JP2006043767
To provide a method hot-bending a metallic tube by which the flattening of the metallic tube is suppressed with a device arranged inside the metallic tube and also this suppression is performed while preventing the generation of irregula...  
JP2006035235
To easily and surely form a small-diameter part, which is made eccentric, integrally by applying simple cold plastic working to a metallic tube material.A method for working a metal tube is used for forming a tapered part 10 and a small-...  
JP2006035242
To provide a hollow shape bending device in which a plurality of hollow shapes of different width can be treated with only one kind of a receiving member.The hollow shape bending device comprises a fixed holding plate (4) and a movable h...  
JP3759502
To provide a pipe in which a usable space can be secured by reducing a dead space of a pipe to be arranged in a heat exchanger or the like, a working method capable of molding the pipe in less working processes, and a working device. The...  
JP2006007311
To provide a piping member manufacturing method capable of easily manufacturing a piping member with a rubber hose interposed between metal pipes forming a bent shape by simple and less steps, reducing the manufacturing cost, and conside...  
JP2006000920
To obtain a bending apparatus with which a base stock is bendable even it is a base stock the cross-sectional shape of which varies in the longitudinal direction.A feeding mechanism 3 for feeding a long-shaped base stock 1 in the longitu...  
JP2006000921
To obtain a bending apparatus with which a base stock is accurately bent even when springback is generated.This apparatus is provide with a feeding mechanism 3 for feeding a base stock 1 in the longitudinal direction, a moving mechanism ...  
JP2005349473
To provide a ring with flange having various cross sections formed by a method employing an improved existing apparatus.The ring with flange is formed from a straight flanged member with U-shaped cross section which has a base section an...  
JP2005349426
To provide a bending apparatus for a polyhedron heat exchanger in which the need for components for connecting a plurality of heat exchanging parts by performing brazing work in one process is eliminated and the cost can be reduced.The b...  
JP2005349419
To provide a method of producing a heat exchanger tube capable of effectively stirring fluid passing through the inner and outer peripheries of the tube and having a high heat exchange performance, and to provide the heat exchanger tube....  
JP3748093
To obtain a rectangular section in which no shrinkage causing locally reduced wall thickness is generated in the case of bulging and forming a cylindrical member for vehicle body structure having a closed section of approximately rectang...  
JP2005337623
To provide a boiler panel having improved straightness and flatness.When an alloy coating 14 formed on the single face of the boiler panel 10 with flame coating is welded thereto in a moving heating method, the panel 10 is pulled in a di...  
JP3746949
To efficiently manufacture an elbow joint having a cladding layer of welding in the inner surface, simplifying the manufacturing process and facilitating the forming wok of a cladding layer of welding with thickness of the formed claddin...  
JP2005319490
To obtain a reinforcing bar cutting bender with which the bending work to 180° of the reinforcing bar is carried out by oneself, also the cutting work of the reinforcing bar is carried out and the unbending work of an over-bent reinforc...  
JP3738428
To execute bending work while rotating transporting rollers to the terminal part of a coil, to rotate the coil after that, to complete assembling simultaneously by carrying the coil with the transporting rollers. This device is a continu...  
JP3739485
To provide a method for executing a heat treatment so that a metallic bar stock having thin part and thick part becomes uniform mechanical characteristics. In the method for executing the heat treatment, a heating means 2 for partially h...  
JP3739751
To provide a technique for bending a metal straight pipe at a high speed without generating bellows or flattening. In the method for successively bending the pipe, a small region in the pipe axial direction of a pipe 13 is heated to a te...  
JP2005313217
To provide a duct bending device in which much labor of workers is not required even when a metal of large thickness similar to that of a straight tubular portion is bent, labor can be saved by achieving the bending work by less workers,...  
JP2005313214
To provide a bending apparatus with a cutting mechanism capable of efficiently performing bending work and cutting work.The bending apparatus has a bending die 4 corresponding to the bending shape and has a clamping die 6 which moves tow...  
JP2005305520
To obtain a bending device which has a simple structure and can bend a long workpiece to right and left directions.The bending device has a bending die 6 matching a bending shape and a bending arm 12 rotatable around the bending die 6. T...  
JP3737027
To provide a reinforcing bar bending device capable of avoiding any risk associated with a reinforcing bar delivering work by automatically delivering a reinforcing bar from a reinforcing bar placement part to a clamping device. In this ...  

Matches 651 - 700 out of 2,862