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JPH02500657A |
PCT No. PCT/SE87/00354 Sec. 371 Date Feb. 13, 1989 Sec. 102(e) Date Feb. 13, 1989 PCT Filed Aug. 6, 1987 PCT Pub. No. WO88/01208 PCT Pub. Date Feb. 25, 1988.A machine for corrugating sheet metal or the like comprises a plurality of succe...
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JPH026438B2 |
The invention concerns a roll (12) comprising two superposed webs (6, 7) of material one (6) of which is formed with transverse ridges (10). At the ridge bases and tops are formed indentations (22). The other web (7) is provided with rib...
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JPH0237758A |
PURPOSE: To prevent occurrences of connection failure by putting under pressure a dam-bar part between a pair of planes which are fit in the wavelike form at regular intervals, thereby securing the flatness of a lead frame. CONSTITUTION:...
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JPH022492Y2 |
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JPH022490Y2 |
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JPH026023A |
PURPOSE: To automate the production of a corrugated sheet by affording a ruggedness to a band sheet to form a rugged sheet, and welding the rugged sheets. CONSTITUTION: The band sheet 14 is sent by one pitch at a time in the longitudinal...
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JPH01321024A |
PURPOSE: To automatically produce a corrugated sheet of complex shape by working a flat sheet to obtain a corrugated sheet, then, pressing it with a forming tool at a stroke. CONSTITUTION: The flat sheet 11 is passed between a upper and ...
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JPH01321025A |
PURPOSE: To automatically produce an uneven sheet in a short time by producing a rugged sheet nearly equal in shape to a corrugated sheet from a flat sheet with a roll forming tool and then obtaining squareness of a corner part of the ru...
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JPH0160331B2 |
A method of making a heat exchanger sheet is disclosed including progressively forming an elongated flat sheet of metal into a continuously corrugated sheet having a plurality of deeply drawn convolutions which extend across the sheet, a...
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JPH0144168Y2 |
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JPH0144172Y2 |
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JPH01309725A |
PURPOSE: To prevent a lead from being broken and to make a device small-sized by providing a 1st forming machine to vertically bend the outermost lead, arranging a 2nd forming machine to correct a lead interval and setting a carrying mea...
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JPH01172421U |
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JPH0156845B2 |
PCT No. PCT/SE79/00227 Sec. 371 Date Jul. 3, 1980 Sec. 102(e) Date Jul. 3, 1980 PCT Filed Nov. 6, 1979 PCT Pub. No. WO80/00932 PCT Pub. Date May 15, 1980.The invention relates to a method and a device for bending sheet-metal sections. It...
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JPH0156847B2 |
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JPH0156846B2 |
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JPH0137774Y2 |
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JPH0137798Y2 |
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JPH01159925U |
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JPH0150498B2 |
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JPH0149571B2 |
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JPH0149565B2 |
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JPH01153813U |
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JPH0146204B2 |
PCT No. PCT/SU81/00066 Sec. 371 Date Jun. 10, 1982 Sec. 102(e) Date Jun. 10, 1982 PCT Filed Jul. 30, 1981 PCT Pub. No. WO82/02009 PCT Pub. Date Jun. 24, 1982.A device for corrugating a sheet material with forming staggered cut corrugatio...
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JPH01249225A |
PURPOSE: To shorten the cycle time for manufacturing a corrugated tube by repeating partial heating of a raw tube, its swelling applying a compression load and cooling of its swollen part, at a prescribed interval, and then heat treating...
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JPH01245923A |
PURPOSE: To make a forming parts light in weight and to improve its quality by distributing sheet thickness in advance by chemical milling, mechanical working, etc., before superplastic forming and then carrying out superplastic forming....
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JPH0144405B2 |
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JPH0141409B2 |
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JPH01192424A |
PURPOSE:To adjust an interlocking phase with high precision and to improve a corrugated looper fin in quality by moving a 1st helical gear and a 2nd helical gear relatively in an axial direction and rotating a 1st cutter and a 2nd cutter...
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JPH0134687B2 |
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JPH01166824A |
PURPOSE: To adjust pitches at a front and a rear stage and to improve the accuracy of adjustment by setting a transmission truck to a driving shaft of a front stage and that of a rear stage respectively through a one-way clutch and conne...
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JPH0196219U |
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JPH01157721A |
PURPOSE:To part from perforation line by tension and to cut a plate-like stock in the specified length by forming a louver by a corrugated cutter on a long- sized plate-like stock after forming a machining score at the cut position of th...
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JPH0127809B2 |
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JPH01118318A |
PURPOSE:To improve the thermal efficiency of producted fins by providing a projection on the tooth top of a cutter and by setting the distances between the top end of projection and the terminal and top ends of the front and rear cutting...
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JPH01113127A |
PURPOSE: To miniaturize an equipment and to improve the material yield by forming a groove by a discoid cutter on the outer peripheral face of a rotating short circular columnar base metal and cutting in the specified thickness the strip...
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JPH0114344Y2 |
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JPH0122047B2 |
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JPH0120934B2 |
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JPH0120929B2 |
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JPH01500978A |
Method and device for moving a tool (8) to a desired position relative to and in engagement with an incrementally advanced strip of material (10) held in place during the work stroke of the tool and having a repeated basic shape. Between...
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JPH01500979A |
An arrangement for profiling forwardly indexed material webs for producing e.g. parallel, transverse undulations in a sheet metal web (6) of uniform width which is forwardly indexed through a forming space (5) located between a lower bed...
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JPS6449322U |
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JPH0110101Y2 |
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JPH0115330B2 |
A sheet metal workpiece is formed to have a plurality of relatively large diameter but relatively shallow cup-like depressions in a first draw operation, to have the shapes of the cup-like depressions changed in a subsequent draw operati...
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JPS6466022A |
PURPOSE: To reduce the dispersion in the height of a fin by engaging a gearlike cutter on which a projection is provided on the front part in the rotating direction and the gearlike cutter on which the groove corresponding to the project...
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JPH0113928B2 |
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JPS6440119A |
PURPOSE: To improve the productivity and to the manufacturing cost by executing an emboss work with a forming roll on a strip material and forming a lateral rib, an oblique rib, then, a vertical rib part whose one part is superimposed on...
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JPS646851B2 |
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JPS6434521A |
PURPOSE: To surely determine pitch of a corrugated fin by pulling the corrugated fin the space with a pitch compressing member abutting a pitching and counting roller to the crest and root of the corrugated fin and making it a specified ...
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