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JP4143607B2 |
A laser irradiation device and a method thereof for irradiating a laser beam onto a workpiece for bending processing are disclosed. The laser irradiation device includes a light condensing unit configured to condense an incident laser be...
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JP2008532774A |
A method of preparing a sheet of material for bending along a bend line includes the step of forming at least one displacement in the thickness direction of the sheet of material, the displacement including a flat zone substantially para...
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JP2008532775A |
Precision-folded, high strength, fatigue-resistant structures and a sheet therefore are disclosed. To form the structures, methods for precision bending of a sheet of material along a bend line and a sheet of material formed with bending...
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JP4124386B2 |
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JP2008521620A |
An arc type blade transfer apparatus is disclosed. The apparatus includes a main body which is formed with a space through which an arc type blade passes, and a transfer roller which is rotatably mounted to the main body and is rotated t...
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JP4108268B2 |
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JP3142673U |
To provide a sheet metal gripping tool capable of bending a sheet metal at an accurate position without requiring skill and improving work efficiency. A first handle 2 and a second handle 3 have handles 21, 31 on the rear end side and re...
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JP4102480B2 |
A method and apparatus for the production of bent sheet metal pieces (12) is disclosed. In the method or apparatus, a cut (14) is made in a sheet of sheet metal (10) that defines the perimeter of piece (12) to be obtained. The cut (14) i...
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JP2008519694A |
A process of forming bend-controlling structures, such as slits, grooves or displacements ( 22 ), in a sheet of material ( 21, 121, 221, 321, 421, 521, 621, 721 ). The bend-controlling structures ( 22 ) have central portions ( 26 ) exten...
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JP2008126265A |
To provide a sheet metal working machine capable of efficiently working a product having a plurality of curvature parts.The sheet metal working machine for folding a plate work W into a bent product having a first curvature part C1 and a...
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JP2008513219A |
An apparatus for forming a metal article includes a station which receives and supports a workpiece. The station has a source of electrical current and a source of a fluid. The station further includes a first and a second electrode clam...
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JP4081593B2 |
In a long member bending apparatus having a bending head (2) and a material supply unit, the bending head (2) is composed of a base plate having a guide pipe (6), which includes a guide hole for passing a long member, at the center there...
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JP4084518B2 |
A resinous hose formed by the process for producing a resinous hose, wherein the hose comprises cylindrical portions extending rectilinearly and a bent bellows portion wherein the bellows portion includes a bellows wall having continuous...
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JP4052423B2 |
A wire netting, preferably used as a gravel screen or for protecting a soil surface layer is woven from corrosion-resistant wires and either fitted on the soil surface or secured in an almost upright position on a slope or something simi...
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JP2008030112A |
To provide a bending device for a corrugated thin steel plate, a colored corrugated thin steel plate, and a multiply utilizable curved corrugated plate, which are used for a pipe house with an arch shape, or the like.The thin steel plate...
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JP4048086B2 |
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JP2008501878A |
A protective net, especially for rockfall protection or for verge securing, with a diagonal weave, is formed by a three-dimensional mattress-like structure. The same is woven from individual spiral-shaped bent wire strands, wire bundles,...
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JP4028584B1 |
[Task] Prevents deformation and damage of the bent part of the wire. Allow continuous bending. The inner jig 1 and the outer jig 2 are arranged in the width direction of the tape-shaped wire W, and the front side regulating member 3 and ...
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JP2007533465A |
A method of designing fold lines in sheet material includes the steps defining the desired fold line in a parent plane on a drawing system, and populating the fold line with a fold geometry including a series of cut zones that define a s...
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JP2007301618A |
To obtain a method of forming a tube for heat exchangers by which a desired folded part is obtained while simplifying the shape of the folded part and preventing the generation of a clearance and a crack. When constituting the folded par...
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JP2007260691A |
To provide a method capable of efficiently forming a panel. The laser beam welding of reinforcing materials 26 and an outside sheet 24 is performed by continuously emitting the laser beam 32 to the flanges 28 after bringing the flanges 2...
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JP3986807B2 |
The flat loop-shaped wire binding element is bent into a C-shape in a segment fashion. Bending is carried out using a device (90) with two bending units (95, 95), each with at least one retaining part (91, 91), at least one support (92, ...
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JP2007237272A |
To simply adjust the position of a forming roll capable of suppressing generation of forming roll edge abutting damages which are easily formed in a spiral forming face even when the outside diameter of a steel tube to be formed is chang...
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JP3971891B2 |
To provide a color cathode ray tube which is inexpensive has less color shading and has a stable quality, in a color cathode ray tube having a shadow mask suspended to a support in a state of applied tension. A band member having a thin-...
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JP3964790B2 |
A flanged bush for plain bearings having at least one flange formed thereon having axially facing inner and outer surfaces and including at least one metallic layer. The flange includes material-displacing recesses impressed axially into...
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JP3960313B2 |
To provide a coil forming apparatus which can prevent U-shaped bent parts of conductor segments from protruding largely from the end face of a stator iron core and can suppress a weight increase even when six or more pieces of the conduc...
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JP3947713B2 |
To provide a heating device for forming a curved plate enabling anybody to produce a stable heating state. A base supporting arm 12 supporting a base of a gas torch burner 2 for heating and a shaft supporting arm holding a shaft part of ...
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JP2007181849A |
To provide a method for linearly heating a steel sheet, which method can stably achieve a large deformation angle.The method for linearly heating the steel sheet is used for heating the steel sheet so as to simultaneously satisfy both of...
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JP2007136527A |
To provide an in-plane bent product having a relatively large diameter ratio without causing any crack or the like at an outside diameter side end portion.After removing burrs, fracture cross sections and work-hardened layers introduced ...
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JP3920311B1 |
[Task] Make sure to prevent deformation and damage of the bent part of the wire. The inner jig 1 and the outer jig 2 are arranged relative to the width direction of the wire rod W, and the outer jig 2 is rotated around the inner jig 1 as...
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JP3918829B2 |
To provide a small heat exchanger device with good heat exchanging performance without using a different part as a heat conduction promoter, and a method for manufacturing the same. The method for manufacturing a heat exchanger device co...
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JP2007075885A |
To provide a device, a program and a method for predicting laser bending capable of predicting the result of the bending by laser beams while any actual work is not present.The laser bending predicting device for predicting the result of...
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JP2007061901A |
To provide a system and a method for thermal forming capable of geometry tuning.A method for thermal forming includes determining a process window for initiating cooling, locally heating at least one region (22) on a specimen (20) to ach...
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JP2007038273A |
To a joggling tool with which joggling work to an edge part of a metallic sheet such as the peripheral edge of a dropping hole of a valley gutter is easily performed by simple operation without being restricted by a workplace, the operat...
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JP3872885B2 |
To prevent the splash of waste water by providing a energy absorber with which waste water from the opening of a branch pipe collides in a inserted pipe laid in a tunnel. A branch pipe 4 is laid in a sleeve pipe 2 for the branch pipe lin...
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JP3862183B2 |
To provide a bending device by linear heating capable of heating or cooling from both sides of a metallic plate. This bending device is provided with a metallic plate supporting tool 10 with which, when the horizontal direction is define...
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JP3860400B2 |
To provide a pressing through bending system capable of realizing precise pressing through bending. A pressing through bending machine 10 produces a long size product by bending a long size stock successively passing a fixed die and a mo...
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JP2006326638A |
To provide a twister capable of improving productivity of a crankshaft material and eliminating problems of oil leakage, noise, etc., and a shaping method.The twister is equipped with a twisting die 10 which houses the crankshaft materia...
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JP3849189B2 |
To improve working accuracy. After inputting the geometric information of an initial shape and objective shape (Step 1), executing the mesh division of the definite element method of the initial shape is executed (Step 2) and a divided s...
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JP2006296445A |
To provide a piece of kitchen furniture of which the corner section can be formed by a simple bending process even when a metal plate constituting the kitchen furniture is a thick plate or a stainless steel plate of which the process is ...
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JP2006284009A |
To perform sound joining without needing large-scaled expensive equipment, coating of flux and cleaning to eliminate the flux.A refrigerant tube 3 is wound on water piping 2 along a plurality of spiral grooves 2a formed on an outer perip...
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JP3831450B2 |
To efficiently stretch a pair of channel stocks of a left/right symmetrical shape of a vehicle frame, etc. In the stretching method to charge a prescribed length channel stock in a stretching device and to bend to a prescribed shape, for...
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JP3832416B2 |
To provide a plate working machine with a bending function for bending a bend piece having two or more bends, and performing the bending different in bending direction, bending size, bending angle or the like by a same die. An upper die ...
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JP2006255750A |
To provide a method of manufacturing a metallic structure member having excellent strength at a reasonable manufacturing cost.This method compeises: a stage for forming a preformed body 20 having a part where work hardening on the basis ...
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JP2006247734A |
To provide a twist-working method for a hollow material capable of increasing the strain of a core portion even when the hollow material is axial-symmetric or non-axial-symmetric.In a step in which a shaft material 1 having a hole 10 in ...
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JP2006247728A |
To provide a method for correcting the shape of a counter weight of a crankshaft and a twisting apparatus to be used in the method, by which method and apparatus, a necessary and sufficient correcting effect can be obtained in the existi...
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JP2006218486A |
To provide a calculating method of a corrected heating procedure at practical speed.An estimation polynomial for approximating the relationship between a heating rate and an amount of deflection is obtained by selecting representative po...
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JP2006217692A |
To provide a manufacturing method for a fixed iron core of an alternator for an automobile capable of preventing dimensional changes in a winding diameter due to a slip caused between a rolling roller and a band-shaped core.There is a pr...
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JP3805971B2 |
To provide new method and device for manufacturing a metal sheet bundle for a stator in an electric machine. The stator of an electric motor is formed by using multi-axis slide type presses (21, 22 and 23). A start point is a welded bund...
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JP3803167B2 |
To smoothly operate loading and unloading an inside die between flanges of a steel shapes, and to improve the workability and the productivity without requiring a special mechanism for any drawing shape. This is a drawing method of a ste...
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