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JP3427863B2 |
PURPOSE: To produce thin cathode plates having excellent flatness at a high yield by successively passing seed plates as the cathode plates to be used for electrolytic refining of metals through rollers for surface smoothing, roller leve...
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JP2003181544A |
To provide a pair of molded gears for evenly forming both top and bottom of a wave shape on a corrugated fin in a corrugated fin type heat exchanger.In the heat exchanger, protruded gear tooth bottom 4a is protrusively formed on the cent...
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JP3405997B2 |
PURPOSE: To obtain an inner fin so formed as to suppress a decrease in heat exchanging performance by suppressing a decrease in a total flow rate of fluid in a tube for a heat exchanger to a minimum limit when part of a passage in the tu...
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JP2003115567A |
To provide a machine and a method for bending a plate material into a corrugated fin having a rectangular waveform cross-section by one step.A first punch unit 70 comprises a first punch group 80 including a plurality of first punches 14...
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JP2003094134A |
To provide a device for reforming corrugated fins capable for reforming the corrugated fins preformed into the corrugated fins with the rectangular wave section. By only one reforming.The first reshaping punch unit 60 comprises a plurali...
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JP2003507660A |
An apparatus for manufacturing a large-diameter gasket in which a pair of holding presses have press members which selectively bears against an elongate band while a bending press pivots against a portion of the band. The drive press bea...
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JP2003019515A |
To provide a corrugate fin forming device for forming a corrugate fin having such a shape that an edge of an inner corner forms a right angle in one forming step.This corrugate fin forming device comprises a plurality of plate-like secon...
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JP3360240B2 |
To obtain a curvature deformation whose erection strength and radius of curvature are large by performing deformation working, making it correspond to the corrugated shapes of other parts, to the bending part of a side wall to a trough l...
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JP2002350082A |
To provide a heating tube for condensation in a tube and its manufacturing method, which has an excellent condensation heat-transfer performance, enhances performance of a heat exchanger, and contributes to energy conservation. In this h...
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JP3352658B2 |
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JP2002331311A |
To provide a method and apparatus for press working capable of press-working a corrugated plate from a strip-workpiece with a high degree of accuracy.The press forming apparatus is provided with a bottom die 24 fixed to a lower plate 11 ...
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JP3337222B2 |
PCT No. PCT/GB97/01940 Sec. 371 Date Feb. 4, 1999 Sec. 102(e) Date Feb. 4, 1999 PCT Filed Jul. 17, 1997 PCT Pub. No. WO98/06567 PCT Pub. Date Feb. 19, 1998A composite panel is formed by bonding together at least two overlying sheets of m...
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JP2002282948A |
To monitor a plurality of tools for positioning in a fin folding machine.The fin folding machine 12 comprises a bottom part and a pair of vertical side part supporting members 32 extending from the bottom part. An apex part supporting me...
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JP2002263761A |
To provide a hollow rack shaft and a manufacturing method thereof capable of easily and continuously forming rack teeth.A steel strip 1 is continuously fed, rack teeth 1a are intermittently formed substantially in the center part in the ...
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JP2002263739A |
To improve the finishing dimensional accuracy of a corrugate fin even when the metal fin has relatively high hardness.By annealing a strip work W after finishing a press step, the residual stress generated in the strip work W is removed,...
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JP2002254113A |
To provide a method and apparatus for manufacturing a corrugated fin capable of continuously and correctly adjusting fin-pitches of primary corrugated fins 3 bended and formed by a forming roll 1.The first step of a pinch roller 4 and th...
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JP2002528247A |
Upper and lower mirror image die plates are resiliently supported and have predetermined displacement values for forming vortex generators and foldline crease channels without compressive deformation in a porous sintered metal fiber shee...
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JP2002210518A |
To provide a planar catalyst forming device that can stably manufacture a planar catalyst formed body having a uniform pitch of ruggedness even when dispersion of thickness exists in the catalyst body before forming.In a device for passi...
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JP2002205122A |
To provide a roll for forming corrugate fins having louvers in which the angle of inclination of a single-cut louver 7 is set to be identical to the angle of inclination of double-cut louver 8.The section of a first single blade 4 is for...
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JP2002178074A |
To improve workability for brazing of a tube in the device and method of tube manufacturing by forming of a base material.In the device of manufacturing a heat exchanger tube equipped with plural flow passages through roll forming of a p...
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JP2002151097A |
To lighten residual stress generated by molding when a separator for a fuel cell is produced by molding a thin metal plate to prevent the occurrence of three-dimensionally curved warpage or distortion on the whole or plural portions of t...
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JP2002113525A |
To effectively prevent cracking, to reduce manufacturing man-hours and to improve quality of a manufacturing metal cover.The metal cover of three-dimensional shape is composed by including a metal plate. In the metal plate, valley parts ...
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JP2002113536A |
To provide a method for improving formability of a stock and a device thereof in which the stock can be work-hardened to a predetermined degree by easily forming dimples at predetermined pars of stock with a simple configuration, and for...
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JP3275104B2 |
PURPOSE: To form plural numbers of corrugate fine with a proper width from a sheet of belt like metal plate by classifying plural element group by a proper interval in the direction of multi element laminated layer, and mutually slipping...
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JP2002102940A |
To feed a plurality of corrugated fin material having various pitches in regard to a feeding unit in which a pitch of corrugated wave-shaped fin material is formed to approximate the same as the pitch of a corrugated fin to be manufactur...
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JP2002503554A |
A process for producing a honeycomb body, in particular for an exhaust gas catalytic converter, includes cold-shaping at least one hard metal sheet for at least partially providing the hard metal sheet with a structure. No soft annealing...
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JP3239134B2 |
Heat transfer elements for rotary regenerative heat exchangers are formed with spacing ridges or notches having flow-disrupting indentations in the peaks of the notches formed at selected intervals to project into the flow channels. Thes...
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JP3233364B2 |
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JP2001321835A |
To provide a die apparatus of a membrane sheet with which a plate thickness decrease of a radiused part of a projecting part is suppressed, a sheet end part is prevented from warping, the membrane sheet having stabilized quality is manuf...
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JP2001280035A |
To manufacture a lightweight and inexpensive door which effectively prevent the degradation of the noise-insulating characteristic caused by the coincidence effect, and to form a corrugated metal panel for the door while keeping the meta...
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JP3199151B2 |
PURPOSE: To provide the corrugated sheet of a metallic honeycomb carrier used for an automobile catalytic converter and the forming device therefor in which the meandering motion of the corrugated sheet in the travelling direction is inh...
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JP2001212637A |
To provide a production method for a corrugated fin which drastically aims at cutting down the risk that a corrugated fin is blocked up among ejectors in conjunction with the production method of the corrugated fin placed and used inside...
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JP2001137960A |
To provide a continuous forming apparatus with using a steel sheet and a stainless steel sheet having large bending resistance capable of manufacturing a chevron corrugated sheet having a corrugation height larger than a pitch between co...
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JP2001115544A |
To provide a ditch cover, in which there is only one component, which is not welded, in which the correction of distortion and the removal of a temper are not required and which is cut and used in conformity with the size of a prefabrica...
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JP2001505266A |
A structural panel, suitable for use as slatwalling in retail outlets, comprised of a metal sheet bent to define on each side of the panel a series of channels of re-entrant cross-section extending continuously across the width of the pa...
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JP3156008B2 |
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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JP2001087815A |
To provide a method for bending a metal plate by which many chevrons whose height is higher as compared with the width of a chevron are workable at a certain pitch on the metal plate such as aluminum and stainless steel and working machi...
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JP3147200B2 |
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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JP3142626B2 |
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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JP2001047139A |
To correctly form a straight roofing member and a curved roofing member by forming a roofing member by using a forming roll of one roll and a forming roll of the other roll, bending the roofing member in one direction via a flange formin...
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JP2001038439A |
To provide a flat.turbulater for a heat exchanging tube which can be produced economically at a high productivity. A heat exchanging tube 12 which contains, the base, an opposing top part being separated from the base, a first side part ...
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JP2001501871A |
A method and apparatus for continuously forming corrugated sheet material in which corrugations are oriented at an oblique angle to side edges of the sheet material. The apparatus includes a pair of corrugating gear rollers supported for...
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JP2001009554A |
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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JP2000355201A |
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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JP2000517245A |
An apparatus for producing a metal sheet with a corrugation configuration that is of a first corrugation height, wherein the sheet has transversely or at an angle relative to the corrugation configuration a microstructure having a second...
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JP2000288638A |
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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JP3090324B2 |
Methods of making superplastically formed and diffusion bonded articles are disclosed as well as the articles made from such methods. Metal sheets are superplastically formed and diffusion bonded in a manner such that pillows are formed ...
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JP2000234379A |
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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JP2000230798A |
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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JP2000202532A |
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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