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JP2009299944A |
To provide a heat exchanger and a method of manufacturing a fin for the heat exchanger capable of reducing ventilation resistance without degrading heat exchanging performance.The fin 2 includes a planar section 21 roughly in parallel wi...
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JP2009270800A |
To provide manufacturing method and device of a corrugated fin with flat top parts capable of forming the top parts of ridge parts of the corrugated fin flatly without requiring much time and high technology to adjust a phase and a clear...
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JP4362446B2 |
A process for producing a metallic layer includes forming structures at least in subregions of the metallic layer. The structures have corrugation troughs and corrugation peaks, an upper bearing surface formed at least in part from the p...
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JP4355883B2 |
A can end is formed from sheet material in a single acting press by blanking a workpiece and holding the workpiece between a blanking punch and a draw pad. The periphery of the workpiece is worked between a knockout and a crown ring to c...
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JP4358928B2 |
An embossing unit (1) having a frame (8) supporting a pair of embossing rollers (3, 4) by means of respective supports (13, 16), a first (13) of which is integral with the frame (8), and a second (16) of which is connected to the frame (...
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JP4351524B2 |
To provide a method for forming a plate-shaped catalyst which has small arcuate warpage or strain, is piled so that the distance between one catalytic body and the other catalytic body becomes uniform and has excellent fabrication stabil...
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JP4349949B2 |
To cut a corrugated fin without using any cutting device. A thin-walled parts 6b of small wall thickness is formed on a fin top part by pressing a corrugate fin 6 between a rolling-down block 101 of a rolling-down block holding roll 11 a...
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JP4344426B2 |
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JP4345578B2 |
An upper mold member 32 having an upstream upper punch 32 a, an upper recess portion 32 b and a downstream upper punch 32 c that are serially arranged, from a feed upstream side of a sheet material W and a lower mold member 24 having an ...
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JP4344685B2 |
The method involves producing a hollow mark (38) on a side (40) of a plate to be oversized, by a pointing or cutting tool (42) e.g. punch. Depression of the punch causes bulges (44) near the hollow mark, to form overthickness. The bulges...
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JP2009536098A |
Fixing element (1) comprises recesses (6) each partially surrounded by sliding surfaces which are inclined relative to the imaginary middle line of a sheet metal material (15). The sliding surfaces are for connecting elements to be inser...
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JP2009202181A |
To provide a manufacturing method for a corrugated fin forming roll capable of improving individual product accuracy and assembly accuracy of blades by preventing bad effects to a reference part, which are caused by a surface treatment, ...
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JP4327166B2 |
The equipment for producing a corrugate fin is capable of forming corrugated sections by one closing action. The equipment comprises: a plurality of punches respectively having projections, each of which is upwardly projected from an upp...
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JP4318986B2 |
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JP4310882B2 |
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JP4284853B2 |
To improve cooling performance by increasing a heat dissipating area and lowering the pressure loss. A refrigerant tank 3 has a flat cubic shape, which is rectangular in plan view and has a small thickness, and has a closed space formed ...
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JP4274731B2 |
The method comprises carrying out a folding and swaging a sheet metal band in successive steps by means of opposite guides with an alternate bringing together and separating movement. The resulting wave (1) has two parallel lateral edges...
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JP4260350B2 |
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JP4260351B2 |
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JP4246852B2 |
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JP2009039774A |
To improve production efficiency by shortening set-up time by making the adjustment of position of a guiding device to a corrugate cutter unnecessary.This apparatus is provided with a slitting device for forming slits on a fin material 7...
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JP4225658B2 |
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JP4219128B2 |
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JP2008307587A |
To position end parts of slit holes provided on a corrugated plate at plane parts between mutual corrugated bent parts.The length of the slit hole 20 corresponding to a strip-shaped member 10 in the extending direction is made equal to t...
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JP2008254043A |
To provide a corrugate fin manufacturing method capable of preventing a fin member from being buckled and deformed, and stuffed between blocks when firstly feeding out the fin member to a pitch filling roll unit.A corrugate fin manufactu...
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JP4166019B2 |
In a forming press (100), a blank is pressed formed into a press-formed workpiece by means of an upper die (21) and a lower die (11), while a peripheral edge portion of the blank is clamped by means of a die and a blank holder insert of ...
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JP4145744B2 |
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JP4144799B2 |
A contour roll former capable of operating with different sets of pairs of roll forming heads depending on the type of extruded profile to be produced. The contour roll former includes pairs of heads mounted on carriages capable of slidi...
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JP4136300B2 |
A slitting device including first (31) and second (37) cutting rollers disposed parallel to each other, a first guide roller (33) axially adjacent to the first cutting roller (31), and a second guide roller (35) axially adjacent to the s...
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JP4130703B2 |
An operating method for a working area (100) comprising an anthropomorphous robot (101) enslaved to a bending press (102) for working a metal sheet (111) comprises a) detecting fixed input data formed by geometric positions in space of t...
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JP4116581B2 |
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JP4116580B2 |
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JPWO2006033382A1 |
Bent portions (15) and flat portions (17) are alternately formed on the strip-shaped thin plate (13) to form a corrugated shape, and the flat portion (17) is cut and raised along the length direction Y of the strip-shaped thin plate (13)...
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JP2008087033A |
To provide a method and a device for forming a corrugated sheet, by which working capacity is improved when forming a sheet into a continuous corrugated shape by a press.A method for forming a corrugated sheet continuously directs to for...
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JP4077374B2 |
A method of manufacturing a spring assembly, which includes two annular plates and compression coil springs, and which is adapted so that the compression coil springs are assembled to the annular plates by caulking projection portions fo...
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JP4065832B2 |
The apparatus has center die (13) whose upper mold is slidable with respect to upper mold of intermediate die (12) for molding the separator material (14) when the upper mold of periphery die (11) and upper mold of intermediate die are m...
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JP4055411B2 |
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JP4041654B2 |
The invention relates to a louvered fin for a heat exchanger. This louvered fin includes (a) a first corrugated strip having planar and connecting portions that are alternately arranged to make a corrugation, the first corrugated strip e...
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JP2008501498A |
A sintered metal fiber medium as subject of the invention comprising at least one pleat, which pleat comprising a first leg being present according to a first plane, and a second leg being present according to a second plane. The first p...
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JP4019113B2 |
The present invention provides fins utilized in an integrated heat exchanger that achieve a highly effective prevention of heat conduction, do not create any cuttings during their formation and achieve a high degree of dynamic strength a...
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JP4019554B2 |
There is disclosed a method of manufacturing a multiple uneven plate having multiple uneven portions, the multiple uneven portions having large protruding degree of each of the concave or convex portions, the concave or convex portions a...
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JP4020678B2 |
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JP4005526B2 |
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JP2007275787A |
To provide a corrugated plate processing apparatus for giving a corrugated plate without causing cellular local deformation even if a metal carrier is inserted by pressure to a container by removing a step from a rolling terminal end par...
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JP2007245199A |
To provide an apparatus of manufacturing a corrugated sheet with which the generation of local deformation when a core is force-fitted into an outer jacket is prevented and purifying capacity is improved in a metallic carrier which is co...
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JP3970203B2 |
To stably obtain high waving accuracy by using a simple process, in a short processing time and at a low cost in the method for waving working of a core plate of a wet frictional material. A main punch 11 and a counter punch 12 presses a...
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JP3965102B2 |
To provide a manufacturing method and a manufacturing device of a separator applicable to a low-cost and high-durability solid polymer fuel cell free from warping or rippling of the separator as a whole. In the manufacturing method of th...
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JPWO2005046900A1 |
To provide a method for manufacturing a corrugated leaf spring of a thin plate shape memory alloy with a simple device. A thin plate shape memory alloy is folded back while pressing the thin plate shape memory alloy against the convex co...
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JP2007203339A |
To provide a feedback tension unit for feeding a fin material to a machining device while imparting tension to the fin material which can correctly control the movement of the fin material by preventing variation of the tension when adju...
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JP3958929B2 |
To provide a manufacturing apparatus for a separator which can be applied to a solid polymer fuel cell of low-cost and high durability type, and which can be subjected to a press work. The manufacturing apparatus for a solid polymer fuel...
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