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JP3696968B2 |
To form a membrane having multiple streaks in high precision. Displacements at approach movement of upper dies 11a, 11b bisected and lower dies 17a, 17b bisected are detected by linear encoders 25a, 25b, 26a, 26b, by controlling the driv...
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JP2005230884A |
To provide a sheeting method and a sheeting apparatus by which a sheet which is bent in three or more places in the ridge-line direction of a waveform in addition to a continuous waveform shape is efficiently manufactured without damagin...
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JP2005193243A |
To provide a corrugating apparatus and a corrugating method by which the ductility of a material when forming a projecting and recessed shape is secured and accurate and the correct projected and recessed shape is formed, and a metallic ...
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JP2005177802A |
To shorten a working time, to suppress wear of a die edge and to attain a longer service life.With the rotation of an upper and a lower roller 2, 3, a metallic plate is fed, the mountain parts of a shaping disk-like member of an upper di...
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JP2005177847A |
To provide a three-dimensional corrugated sheet structure, and its forming die and forming method with which the three-dimensional corrugated sheet structure having high rigidity can suitably be obtained at a low cost.In the forming die ...
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JP3669590B2 |
The invention regards a recuperative heat exchanger for the exchange of heat between two media across a heat transferring wall. According to the invention the heat transferring wall is made from a shaped patterned sheet which is folded r...
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JP2005152921A |
To provide a manufacturing method of a bellows-shaped metal sheet which can produce the bellows-shaped metal sheet with narrow and uniform apertures in a superior production efficiency.In the manufacturing method of the bellows-shaped me...
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JP2005138128A |
To provide an apparatus for working a plate-shaped work which can reduce the number of part items and cost, shorten a working time, decrease the wear of a working blade and improve the service life of the apparatus and the working rate, ...
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JP3645352B2 |
To form a wave-shaped folding having desired precision by forming a strip having a wave-shaped folding by a prepleating process, and adjusting a fold angle by a follow-up forming process. A prepleating process is performed by a pair of p...
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JP3644121B2 |
To reduce inclination defect of flat part while flattening ruggedness defect in forming the corrugated fin. A brake device 7, which contracts a fin material 1a so as to bring adjoining bent parts 1b into contact each other, is arranged a...
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JP3638592B2 |
To provide a structure of a metal building comprising a number of metal panels which are constructed at the site and have edges capable of being crimped and formed to have a necessary cross section, usually a U-shape. The metal building ...
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JP2005078981A |
To provide a separator for a fuel cell and a method of manufacturing the same in which assemblability of the fuel cell by reducing warpage and power generation efficiency of the fuel cell is improved by reducing scattering of gas distrib...
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JP2005059100A |
To provide a method for manufacturing a metallic sheet for containing a filler, which has ripples made by deformation processing at a side edge area of the sheet, or a filler having a metallic sheet of this type, with the same speed as i...
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JP3620336B2 |
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JP2005500167A |
Slow production speeds in the manufacture of lanced and offset fins for use in heat exchanger tubes are eliminated through the use of a method of forming the fins involving a plurality of roll assemblies located along a forming path whic...
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JP3604442B2 |
PURPOSE: To provide a device for forming 21 bending sheet without requiring the labor or hours in order to curve the sheet. CONSTITUTION: Receiving tops 2 are formed in the shape to engage to pressing tops 1, they are positioned at the b...
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JP3592988B2 |
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JP3590630B2 |
A metal building is formed of adjacent preformed panels of generally U-shape with crimpable edges, the edges of adjacent panels being crimped together to form the building, the building having straight side walls and a continuous arched ...
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JP3572616B2 |
A microprocessor controlled apparatus and method for processing sheet material into building panels for assembly into buildings. The sheet material is formed into a panel having a flat bottom and sides while the length of the formed pane...
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JP3574775B2 |
To form a waved roof of a complicated shape, etc., with a folded roof material 1 of a roughly trapezoidal shape in a cross sectional shape which has inclined face parts 3, 3 bent upward from left/right ends of a valley part 2 and a joini...
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JP2004245450A |
To provide a corrugated fin with cut-and-raised pieces formed on the side wall thereof for improving heat exchanging efficiency by equalizing the pressure distribution of fluid and efficiently generating eddies, and to provide its manufa...
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JP2004237358A |
To simultaneously make a product by merging in one producing line.This producing apparatus is simultaneously formed as members mutually faced in the product with devices oppositely arranged, and in the next process, these members are mer...
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JP2004525761A |
A process for producing a one-piece, structured metal sheet having an interior with a hole, provides a predetermined, curved outer contour and inner contour that delimits the hole. A smooth, shaped blank is produced, having an outer edge...
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JP2004223565A |
To provide a feedback tension unit which constantly supplies a prescribed quantity of material into a processing means and improves a product precision in the processing means.A feedback tension unit A supplies a continuous thin sheet-st...
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JP2004219044A |
To provide a radiator provided with a core plate capable of securing sufficient mechanical strength even when a pitch size between tubes is reduced.A corrugated part 5d formed like a waveform is provided on the core plate 5, and a tube i...
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JP2004216437A |
To provide an improved structure of an antiskid pattern for a plate surface by means of a cold forging which increases a nonslip effect, increases the strength of a metallic plate and facilitates a machining.The structure is provided wit...
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JP3544674B2 |
A process for producing at least one structured metal sheet, a process for producing a laminated metal sheet pack and an apparatus for producing structured metal sheets, include initially subjecting a strip of sheet metal to a structurin...
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JP3543003B1 |
To provide a method for manufacturing grating by a series of press operations. A grating 1 is provided with a plurality of main bars 3 in which a groove (not shown) is erected in the width direction, and a pair of left and right connecti...
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JP2004130358A |
To provide a new manufacturing method of fins for heat exchangers by which separately independently a hole cutting stage is not necessitated and the hole cutting at a time is enabled when forming a metallic sheet into continuous corrugat...
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JP3519194B2 |
To provide a corrugated sheet manufacturing method using press forming by which the excellent shape accuracy of a product is attained and a corrugated sheet can be formed at high speed. The material of a corrugated sheet is put between p...
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JP3500666B2 |
PURPOSE: To provide a forming roller for a corrugated fin where the curvature of both shouder parts is approximately same, and the corrugated fin of excellent shape having a horizontal flat-folded part can be formed. CONSTITUTION: In a f...
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JP3492640B2 |
To provide a negative angle forming die of a sheet metal capable of forming a negative angle of high accuracy by maintaining a rotary cam in a predetermined forming posture. This negative angle forming die comprises a lower die 1 for pla...
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JP2004025257A |
To provide an apparatus for producing corrugated fins 5 for a heat exchanger by which the problems that the height of a part having a louvre is made higher than that other than the same on forming with a pair of forming rolls, and the oc...
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JP2004001026A |
To provide a simple method and apparatus for adjusting a pitch of corrugated fin.A fin element Ws is expanded to a designated fin pitch Pf by moving the fin element Ws fed forward from the narrow pitch side of spiral ridge-shaped project...
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JP3470905B2 |
PURPOSE: To provide a multiple row corrugated fin forming device which can prevent a fin fed in a feeding roll from lapping and accurately decide the pitch. CONSTITUTION: A corrugate cutter, a slit roll which is arranged on the upper str...
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JP3460068B1 |
[wrap up] [Task] We provide a low-cost press molding machine for producing metal panels used for interior / exterior panels, ceiling panels, etc. of buildings. It is a press molding device that molds a sheet-shaped molded product using a...
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JP3459643B2 |
A method and apparatus is provided for crushing a portion of a corrugated plate in a selected area of the corrugations without blocking the grooves. In accordance with the method teeth are inserted into grooves on opposite sides of the c...
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JP2003290840A |
To efficiently manufacture a corrugated sheet metal member such as a radiator fin by efficiently bending and folding the sheet metal member of a metal strip from both side with a small stroke.The corrugated sheet metal member is formed b...
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JP2003285129A |
To reduce cost and shorten the processing time by reducing the number of parts.When either one of driving rollers is set in a groove part of an index cam, a rotating speed of the index cam becomes maximum and, at this time, a punch cam i...
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JP2003275824A |
To provide a press device with which press forming is performed while properly using a plurality of dies for materials to be worked by using a die part on which a plurality of dies are arranged so as to be selectively used, the whole sha...
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JP3445950B2 |
To form a side plate of a transformer containing box so that insulation oil filled in the transformer circulates well enough to achieve effective cooling and to allow press forming of these side plates very easily. A side plate 2 of tran...
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JP3447073B2 |
PURPOSE: To remarkably improve the structure strength and to attain printing adaptability of a complex corrugated sheet by making the surface flattened and thereby making the corrugated shape of a finally obtd. meandering corrugated shee...
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JP2003245723A |
To provide a method for manufacturing a corrugated carbon plate by screen-printing and laminating functional carbon pastes on both surfaces or one surface of a thin metal plate as a core plate material.A carbon paste 2 is printed and lam...
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JP3442014B2 |
To provide a method and a device for preventing any troubles of the breakage of a metal sheet, and a method and a device for preventing a phenomenon of curling a corrugated sheet after the corrugation in a method and a device for corruga...
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JP2003525802A |
A roll-formed one-piece vehicle bed member having plural downwardly-opening channel-like ribs extending longitudinally of the bed member and terminating at front and rear edges. The ribs adjacent one end are deformed to define rib portio...
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JP2003236615A |
To provide a metal piece working device of excellent productivity which can corrugate a metal piece with high accuracy.This method piece working device provides a plurality of pieces of uneven corrugation on the metal piece and comprises...
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JP3433394B2 |
PURPOSE: To provide a tension device improved in the accuracy of a formed height of a corrugated fin by eliminating the exchange of a felt material and adjustment of the tension by the intuition of an operator. CONSTITUTION: In a corruga...
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JP2003211225A |
To easily adjust a distance between shafts of forming rolls of a corrugated sheet forming stand.An upper block 25 for supporting the rotary shaft of an upper forming roll 20 and a lower block 35 for supporting the rotary shaft of a lower...
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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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