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JP3156008 |
PURPOSE: To reduce an amount of splash water by passing metallic thin sheet between a pair of gear-shaped cutters to form a corrugated fin with louvers, then, arranging it with a specified side upward at an air flow part. CONSTITUTION: T...
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JP2001009554 |
To provide a hollow rack bar forming device which can easily perform mass production.This hollow rack bar forming device for forming a tooth shape on a plane part of a pipe material having a deformed part, where the plane part is formed ...
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JP3147200 |
PURPOSE: To provide a method for manufacturing a plate fin having a large number of lance elements in short sinusoidal pattern. CONSTITUTION: A sinusoidal enhancement pattern 14 having raised, lowered and compound lancet elements is stam...
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JP2000355201 |
To fairly reduce a waste of a material by providing a roll molded tone wheel lightly pressed on a differential case or an axle and thereby obtaining proper run-out specifications for an electrical gap between a sensor and tone wheel teet...
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JP3142626 |
PURPOSE: To provide the corrugated fin forming cutter of long life and its manufacturing method by eliminating the deviation of fitting precision of the gear shape blade and eliminating early time wear of the acute angle cutting blade of...
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JP2000334520 |
To efficiently form many rugged parts in proximity each other to a plate stock and to improve productivity of a multiple rugged plate.A multiple ruggedness plate forming device, which forms many rugged parts by deforming plural places of...
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JP2000326014 |
To provide a bending method of a sheet material by which manufacturing accuracy is improved. A sheet material 10 is clamped and positioned with mountain fold dies 62a, 62b. Next, a lower regulation plate 38 and placing table 66 are lower...
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JP2000326031 |
To improve a production accuracy and working efficiency. A bending plate stock 150 is positioned by holding with chevron folding dies 370a, 370b, next by descending a regulating plate 286a and a placing table 384, further by displacing a...
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JP2000301400 |
To provide a steel plate machining apparatus capable of reducing equipment cost and equipment space. In this steel plate machining apparatus 20, a press machine 30 arranged in a work transfer route is constituted so that an upper die is ...
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JP2000301602 |
To produce a designated filling material by using a designated film. A film strip is successively advanced to a molding apparatus from a film supply port and pleat processing is applied to the film strip to which end parts having a const...
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JP2000288638 |
To prevent the distortion of a sheet by forming a cut or a groove at required parts of the sheet for die parts. A metal sheet 1 is successively pressed by a die to successively form a corrugated bent part 2a. A cut 2b is made between ben...
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JP2000271658 |
To provide a corrugated fin forming die capable of manufacturing a corrugated fin having different height without taking the trouble to replace a punch with the other punch having different dimension. One punch 41, which is located in th...
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JP2000234379 |
To improve an antislipping effect by forming a side surface of a main frame upper end part having a flat upper surface in a recess/projection surface shape having plural projecting parts and recessed parts alternately juxtaposed in the l...
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JP2000230798 |
To manufacture a pipe with an inner-surface groove with improved roundness by passing a material pipe where a groove is formed on an inner surface through a plurality of pairs of hand-drum-shaped rolls where each pair of opposing rolls i...
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JP2000202532 |
To provide a method for manufacturing a structure having ruggedness wherein plastic working is executed with far smaller force compared with that of a press. When a thin sheet structure having ruggedness is formed of a flat plate 10, the...
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JP2000193388 |
To improve working efficiency in the manufacturing process of a core assembly process, a joint process, or the like, and at the same time the quality of a heat exchanger. In a corrugated fin, a part where mechanical strength is increased...
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JP2000161891 |
To provide a novel and improved method and apparatus for forming a plurality of fin strips from a slender strip formed of a sheet material.A sheet material includes a pair of adjacent rows 22, 24 which each longitudinally extends and con...
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JP2000113897 |
To provide a multi-irregularity plate with many irregularities having a large protruded quantity and arranged nearby and to easily manufacture it.Multiple projections 3 or recesses protruded or recessed at least in one direction of the t...
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JP2000107816 |
To prevent bucking generated in the vicinity of the web of a metal sheet by executing embossing work the length of a pattern of which is elongated in the width direction of the metal sheet before turning up edge parts in the width direct...
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JP3039768 |
To obtain a disk information processor capable of processing a single disk or a cartridge disk in common without requiring a complicated mechanism, handling the cartridge disk without troublesome operation and also suppressing the enteri...
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JP2000061539 |
To provide a folding-back method of a pipe capable of forming a folding-back part of a long size replaceing a double pipe structure. In a pipe folding-back method wherein a folding-back pipe A1 having a pipe main body part 1, a bending p...
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JP11325777 |
To provide a fin member, capable of winding the same around a metallic tube easily without causing any unreasonableness, obtaining an effective surface area sufficiently for the improvement of heat absorbing and dissipating performance, ...
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JP11319989 |
To simply and inexpensively produce an embossment by incorporating a mechanical joint part having three degrees of freedom in order to connect an emboss roller to a frame. The emboss working device 1 has a frame 8 to support a pair of em...
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JP11319960 |
To improve the yield of a product of a corrugated plate with its corrugation pitch regulated by eliminating the collapse of the corrugation in setting the corrugation pitch of the corrugated plate to the specified value by a pitch regula...
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JP11303309 |
To prevent the opening or closing deformation of a protruding part by bending moment and to easily provide a highly rigid panel by providing one or more crushed parts with lateral slippage on a corrugated sheet having truncated conical p...
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JP11290953 |
To provide a forming roll apparatus having a twin support structure that facilitates exchanging of forming rollers. The second shaft 8B of a roller shaft 8 is retracted in a sliding manner by holding an operating knob 24, thereby releasi...
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JP11274769 |
To easily align the mounting of a corrugated heat sink and to reduce the amount of welding by forming the corrugated heat sink of a tank being formed by one metal plate so that its partial crest height is lower than that of another part....
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JP11267766 |
To provide a forming roll capable of easily forming a metallic sheet for a catalyst support in the manner that the corrugated metallic sheets are free of engaging adhesion to each other when superimposed. A plurality of blades 11 of the ...
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JP11267767 |
To attain cost reduction by making it possible to form different kinds of corrugated metallic sheets for a catalyst support by means of one forming roll device. On the seat 2 of the frame 1, plural roll stands 4, 10 for forming different...
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JP11254047 |
To obtain a heat exchanger capable of largely improving assembling workability without worrying about a directional property of arranging order, etc., of a plate stock in a conventional heat exchanger and a bending method of a thin sheet...
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JP11226680 |
To avoid damages to a plated layer, and to dispense with a repair coating after the radial working when a stock plated for corrosion protection is radial-worked. A non-worked part 18 is provided on a corner part 14 in which a bottom side...
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JP11197751 |
To make a three dimensional curved mirror light in weight and to produce it at a low cost. After a large mirror face of a stainless steel plate is ground, a two dimensional curvature is provided by performing bending around a first axial...
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JP11192515 |
To freely and partially increase and decrease the amplitude of corrugation simultaneously with corrugating by changing the meshing depth of a pair of forming gears which mesh with each other, thereby adjusting the corrugation amplitude o...
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JP11179438 |
To provide a continuous working method for a bandlike plate stock capable of working with higher precision and also using a press working device having general applicability. A band-like plate stock 1 is intermittently transferred to a p...
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JP11148793 |
To easily and rapidly form cut-out parts, prevent the forming speed of fins from being low and maintain a good production efficiency when corru gated fins having the cut-out parts formed for reducing heat transfer are formed. A method fo...
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JP11147149 |
To improve the manufacturing efficiency by simultaneously manufacturing a plurality of corrugated fins for heat exchanger and the corrugated fins having different phase in one manufacturing line. This manufacturing method includes a slit...
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JP11142079 |
To prevent thermal conduction due to temperature difference efficiently by forming a thermal conduction preventing part at the bend of fins located between the tubes of adjacent heat exchangers. Fins 4 are formed continuously between the...
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JP11138218 |
To provide a corrugating device for metal plates to manufacture such corrugated metal plates as area contact to a supporting member is enabled. In a device which consists of a pair of tooth form wheels which are approximately in an engag...
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JP11104745 |
To prevent a water leaking arising from a bottom face bedewing or raining by bonding an insulant to the bottom face of a steel plate and wave forming them together and, making crest portions of the top part of the steel plate are self he...
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JP11107456 |
To facilitate assembly work by providing a horizontal member having a protruding portion having two sides that swell into a circular arc and a slot portion whose two sides dent into a circular arc in the longitudinal direction and engagi...
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JP11077175 |
To prevent buckling to be generated to an edge part by positioning a recessed part of a die toward the center side from a bar stock and stopping the die before the whole pressing face except the recessed parts of the both dies is brought...
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JP11077174 |
To form a metal plate in which a bar stock is protruded/fixed near a web, in a corrugated shape without generating buckling by a press by making the width of a recessed part of a die wider than a distance from the web of a metal plate to...
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JP11028540 |
To provide a transfer device easy to operate and control, capable of getting through with only a small amount of retreat of dies of a press machine and capable of miniaturizing a press machine in a transfer device to carry into/out of th...
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JP11028524 |
To prevent material from restoring without wasting the power of a press by specifying a pad pressure for pressing within the range of bending force in the case of forming a large-sized corrugated steel plate respectively having the speci...
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JP10303351 |
To continuously transport a strip frame material to a taping device side with an inner lead tip part bent upward, by constituting a press mechanism of a device with a bottom mold comprising a guide, an intermediate mold comprising a comm...
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JP10249443 |
To form circular arc easily and to manufacture beautiful arch-shaped products for roofing without such labor as shifting to high places nor hoisting the rear parts with crane or the like and without dangerous work. This device comprises ...
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JP10252989 |
To provide an assembly unit membrane panel of a membrane inner vessel for low temperature tank capable of reducing the welding line length for assembly, and a manufacturing method suitable for manufacturing the membrane panel for the low...
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JP10249442 |
To simply, quickly and easily make up the formed part for the roofing, which is laid with arbitrary length set up on a beautiful roof with a slope shaped curve by forming ripple shapes parallel in the longitudinal direction on a bottom s...
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JP10244320 |
To obtain a long size bent plate having a flat bottom part and incline side part and a curvature in the longitudinal direction by bending a pitch line of a forming roll stand train and roll forming a thin thickness metal plate to a long ...
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JP2814914 |
PURPOSE: To provide the device which facilitates the change of pitch for each ridge of a continuous waveform and which also enables fine adjusting. CONSTITUTION: In a device, for forming a continuous waveform, in which gear shaped formin...
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