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JP2002146786A |
To provide a method for producing a round steel spiral, which can downsize and simplify facilities by using round steels cut into a predetermined length, improves the durability of molding rollers for spiraling, and increases the product...
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JP2002143923A |
To provide a method and an apparatus for forming a bead on a tubular body by which the length of a tubular body is approximately left original and the bead is possible to be thickened in accordance with a request rather than the thicknes...
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JP2002137019A |
To shorten time until positioning a workpiece from the time when automatically feeding it into a bending machine, by lessening a sag of the workpiece so as to improve processing efficiency.The workpiece twisting machine of this invention...
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JP3277366B2 |
To attain manpower saving and efficiency in the machining of an original plate of a metallic material by retaining the 'habit' data of the metallic original plate as electronic information and providing the collating information for the ...
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JP3266375B2 |
PURPOSE: To provide a coiling device which easily executes setting of a roller and stretch so as to obtain a desired ring diameter as well as easily execute coiling to a desired non-round shape ring. CONSTITUTION: The feed part of wire f...
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JP2002507153A |
The subject matter of the invention is a process for bending a component, e.g. a metal sheet (1) by means of a mechanical force with selective heating by means of a laser beam (6). From one laser beam (6) or several laser beams (6) a rad...
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JP3263149B2 |
PURPOSE: To permit the bending work to the rear edge part of a complicated reinforcing bar or a long steel-made bar material by positioning a member to be worked to the height of a working plane at a first position, pulling downward at a...
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JP2002505194A |
This invention includes the generation of forming information and its manipulation scheme as a method to form curved plates in ship hull-pieces. This invention consists of three components as follows: one is to construct and utilize a da...
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JP2002028732A |
To provide an improved method and apparatus to produce an assembly of a shaped spring.The method and apparatus use a spring forming apparatus to easily form the shaped spring without affecting a spring property and a magazine arrangement...
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JP3251310B2 |
PURPOSE: To surely control an elongation amount with bending by clamping both end parts of a work that a bending center of this work is pinched between them, moving with rotating one hand of the above work both end clamping means or both...
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JP3249559B2 |
Bending-shaping machine for sections (29) as in IT-A-15904 A/89 (EP-A-379043), in which a drawing unit (10) located downstream of a bending unit (35) and on the same axis as the section (29) takes up not only a retracted position (10B) a...
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JP2002001445A |
To provide a press forming method capable of controlling deformation caused by spring back of a press-formed product without changing a fundamental shape of an entire press die.An extra folded portion 6 having a plurality of recessed por...
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JP2001525914A |
The invention provides a helical device and method of producing same for engagement with a cable, the helical device comprising a single length of metal strip comprising a first helical section, a second non-helical section, and a third ...
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JP2001300670A |
To manufacture a ring in a high precision. An apparatus 2 for manufacturing a ring consists of a forming process to form a long size material to an annular shape, a detection process to detect a tip 20a of an annular member 20 formed to ...
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JP2001276947A |
To provide a manufacturing method and apparatus of a band for a plate brick of a sliding nozzle device which can simplify through the numerical control a bending process of a band for a plate brick of a sliding nozzle device. In the prod...
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JP2001254753A |
To provide a manufacturing method of a cage of a constant velocity universal joint which can reduce the waste of a metal stock to be discharged in a manufacturing step.Six substantially parallelogram through-holes 120 are punched in the ...
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JP2001514974A |
This invention relates to the working of a metallic strip. More particularly, the invention relates to a method of working a length of metallic strip by heat treating under tensile force, to a length of metallic strip and to an apparatus...
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JP2001246422A |
To provide a bent part manufacturing method to manufacture a bent part by bending in the plane parallel to its surface without generating a defect of crack, etc.A section (wide section) 40 having a wide width w1 and a section w2 having a...
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JP3207421B2 |
A method of manufacturing a ball point member for use in a ball point pen wherein a plurality of circumferential grooves are formed on one side only of the outer surface of the tubular body of the point member near the point ball. The po...
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JP3197343B2 |
PURPOSE: To provide a wire harness collecting apparatus in which work efficiency can be enhanced without contaminating clothes at the time of collecting work. CONSTITUTION: The collecting apparatus 1 comprises a drive motor 4, a rotary s...
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JP3199068B2 |
To provide a stator manufacturing device which can twist mold many number of nearly U shape wire materials in a uniform shape at one time. This device has an inside jig 3, in which an inside holding part 35 is annularly arranged for hold...
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JP2001510725A |
Continuous, chaotic convection mixer, convection heat exchanger and convection reactorThe invention relates to a device (1), in particular for mixing, for heat exchange or for carrying out reactions, having one or more through-flow eleme...
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JP2001212639A |
To provide a high quality band for CVT belt at an economical cost.The manufacturing method for a band which constitutes a transportation component for a CVT belt comprises a step to make a continuous pipe 108 by winding a thin metallic p...
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JP2001205525A |
To provide a lug twisting jig and a lug twisting device that both can quickly twist a multitude of lugs into a given angular position via a simple structure. The lug twisting device has the lug twisting jig 100, a cylinder unit 200 and a...
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JP2001205346A |
To provide a metal stock for plastic deformation which contributes to the reduction of a product weight with maintaining the strength equivalent to a conventional part, is economically worked in a relatively simple process, and gives a g...
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JP2001191120A |
To provide a control data preparation method for twisting which enables application of precise twisting to a long size stock in accordance with design by using a pair of dies rotating each other around the axis of the long size stock wit...
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JP2001191122A |
To provide a control data preparation method for a pressing through bending machine capable of realizing bending in conformance with design as much as possible in addition to conventional bending. Respective local coordinate systems xy s...
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JP2001191121A |
To provide a control data preparation method for twisting while enables application of twisting to a long size stock in a twisting angle differing along the axis by using a pair of dies rotating relatively each other around the axis of a...
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JP2001179348A |
To provide a method of making materials such as pipes and bars into smooth, spiral-shaped articles within a short period of time in cases when spiral handrails for spiral staircases are made. This equipment is provided with a housing for...
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JP2001159158A |
To provide a bucket tooth capable of preventing bolts from getting loose during operation.The bucket tooth is provided with a fastening part for bolts and a warp is formed by a resilient deformation so that a resilient restoration force ...
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JP2001506053A |
A battery core winding apparatus for winding into an electrochemical cell, a plurality of flexible strip members comprising a first conducting flexible electrode having a first leading edge, a second conducting flexible electrode having ...
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JP3161167B2 |
PURPOSE: To evade problems such as insufficient strength of a die, when the clearance between the outer and inner circumference of a metal plate as working stock is set to a marginal dimension for miniaturizing product. CONSTITUTION: In ...
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JP2001105040A |
To provide a sheet metal tool capable of quickly conducting good joggling in simple operation against an apex angle part of a plate like part to be worked of a rough cross section L shape and its neighborhood. An magnification mechanism ...
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JP2001071041A |
To reduce an approximate error of an objective specific strain distribution as much as possible by arranging heating wires while combining them. At first, a treatment to arrange the main strain of a bending strain component and the main ...
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JP2001021038A |
To prevent relative slide of the circumferential direction between a side rail and a spacer expander, and surely form recessed and projection parts on an inner circumferential surface of the side rail by forming the recessed and projecti...
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JP2000343159A |
To provide a shape variable plate material clamping tool which can simply and quickly vary the shape of a plate material clamping die for clamping and fixing a plate workpiece in a plate material form processing.Plural link members are b...
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JP3102710B2 |
Structure for holding the forming tools (14, 35, 36, 38, 39) in a metal-plate stretch-forming machine, characterised in that it is composed of n juxtaposed table segments (4) which are mounted in a frame (5) of the machine, at least n-1 ...
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JP2000271657A |
To impart large connecting strength to a connecting part and to remotely operate the connecting part with a simple operation at one time in a short time by advancing and retreating the piston rod of a cylinder device into and from mutual...
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JP2000271647A |
To easily restore a metallic material even by a worker having no high level technique by press working by using powder as a tool the metallic material whose material is made partially ununiform owing to work hardening caused by bending d...
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JP2000263145A |
To provide a bending method of plates by linearly heating by which information in conformity with an actual work is presented based on few data without necessitating a high-degree conpute processing such as the finite element method, as ...
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JP2000254733A |
To improve the efficiency of linear heating at the time of bending a steel sheet. In this method for linearly heating the steel sheet at the time of bending so that two steel sheets 1, 2 become a mirror-image symmetric shape by linearly ...
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JP3089372B2 |
An upper arm 1 of a front suspention made of light alloy is provided with a lateral rubber bush mounting bore 2 connected to a vehicle body, and a vertical joint mounting bore 6 connected to a wheel support member. When forming the arm 1...
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JP2000240701A |
To provide the manufacturing device of a low shoe, whose cross-section is a T-shaped form, integrally made up with a rim and a web from a strip metal plate. This manufacturing device for a low shoe is constituted of a brake shoe availabl...
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JP3072220B2 |
In a method of producing twisted aluminum products, an elongate heat-treatable aluminum article is twisted at first to have a value "tan phi " of 0.5 or more, with the term phi denoting a helical angle of the thus twisted article. The tw...
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JP3066094B2 |
A portable bending machine has a boxlike casing with an internal support structure fastened to its top plate only. A reinforcing steel rod is bent around a fulcrum roll by a bending roll revolving about the fulcrum axis, while an adjusta...
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JP2000190028A |
To vary an axial core of a work to a spiral shape by adjusting a space between a pair of feed rolls and a pair of tensile rolls according to an outer diameter measurement of the work, setting zigzagingly arranged rolls to fit a curvature...
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JP2000117335A |
To expand an extent capable of forming a sheet metal ring by inter- plane bending.A part corresponding to an inner peripheral side of a helical part of a band-shaped steel sheet 64 to be sent to a ring forming machine 10 to execute inter...
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JP2000117324A |
To manufacture a long sized and small diametrical pipe by preliminarily stranding plural extremely small diametrical round pipes to form a stranded pipe and reducing the diameter of a large diametrical round pipe into which the stranded ...
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JP3032022B2 |
Method of producing a plate-shaped product comprising positioning a component (22; 23; 122) on or of a plate (20) which is supported by a bearing (14) and is supported at the position of the component (22; 23; 122) to be positioned by a ...
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JP2000094044A |
To obtain the conditions of linear heating required for the target quantity of bending deformation easily by deciding the conditions of the linear heating in the linear heating using the predetermined relationship between the conditions ...
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