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JP2000161891A |
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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JP2000107816A |
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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JP3067054U |
For tying a compressed bale (10,50) tending to expand primarily along a major axis, a bale tie (30,60) made preferably from steel wire or alternatively from steel strap is bent to form two marcelled portions (40,70), which are characteri...
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JP2000061539A |
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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JPH11325777A |
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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JPH11319960A |
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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JPH11303309A |
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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JP2968807B2 |
PURPOSE:To exactly bend the plate material along the projecting line by providing the projecting line to form the bent back part at the central part in the longitudinal direction of the plate material. CONSTITUTION:When the painted wall ...
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JP2971368B2 |
When a heat transfer pattern comprising a plurality of recesses is formed on a surface of a roll to provide a thermal transfer roll, a metallic sheet is heated by the thermal transfer roll to form a laminate plate and an integral drum-bo...
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JPH11274769A |
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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JPH11267766A |
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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JPH11267767A |
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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JPH11254047A |
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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JP2946311B2 |
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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JPH11226680A |
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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JP2935715B2 |
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JP2932378B2 |
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JPH11197751A |
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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JP2924487B2 |
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JP2923259B2 |
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JP2597615Y2 |
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JP2915570B2 |
PCT No. PCT/EP90/00522 Sec. 371 Date Jan. 8, 1992 Sec. 102(e) Date Jan. 8, 1992 PCT Filed Apr. 3, 1990 PCT Pub. No. WO90/14180 PCT Pub. Date Nov. 29, 1990.In a bending machine especially for joining the edges of metal sheets by folding, ...
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JP2910969B2 |
PURPOSE:To prevent the cracking at the time of drawing by forming crease in longitudinal/latitudinal two directions on the engine cover sheet, in which asbesto is stuck on Al sheet. CONSTITUTION:The latitudinal drawing means A is formed ...
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JP2901822B2 |
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JPH11148793A |
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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JP2900611B2 |
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JPH11147149A |
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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JPH11138218A |
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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JP2886808B2 |
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JPH11104745A |
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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JP2882099B2 |
PURPOSE:To expand the utilizable temp. range of the composite honeycomb structural body and to improve dimensional stability and rigidity. CONSTITUTION:A thin aluminum sheet 1 is so formed to a corrugated shape that projection and recess...
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JP2875760B2 |
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JPH1177174A |
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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JPH1177175A |
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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JP2872477B2 |
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JP2866142B2 |
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JP2866075B2 |
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JP2867178B2 |
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JP2867177B2 |
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JP2864229B2 |
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JP2853123B2 |
Equipment to produce shaped metal strip from initially flat stock comprises a number of roll forming stands arranged in tandem and preferably operating at room temp. The rolls are frustoconical in shape, and each stand has two upper roll...
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JPH1128540A |
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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JPH1128524A |
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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JP2827448B2 |
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JPH10303351A |
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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JP2821107B2 |
To improve productivity by forming constriction sections reduced with the size of the width between flanges on both sides at the end sections of a shape steel material provided with the flanges on both sides of a web, and forming a defor...
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JP2814914B2 |
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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JP2809915B2 |
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JP2580648Y2 |
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JPH10202324A |
To stabilize the length of the product to be worked with continuous pressing by setting the difference of the coefficient of friction of the surface and back surface under the pressing bearing equivalent to real pressing in the specified...
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