Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
05/2004
05/26/2004CN1500018A Cope holder device
05/20/2004US20040093923 Keyless tooling system
05/20/2004US20040093921 Metal sheet part bending order and bending die proposing device and proposing method
05/19/2004EP1419832A1 Device arrangement comprising several shaping devices for shaping sheet like workpieces
05/19/2004EP1261477B1 Brake in particular for flat blank
05/19/2004CN1150066C Rolling forming method for cold bending of stainless steel section
05/13/2004WO2004039515A1 Semifinished flat tube, process for producing same, flat tube, heat exchanger comprising the flat tube and process for fabricating the heat exchanger
05/13/2004US20040089045 Compression assembly for forming rolls
05/12/2004EP1417051A1 Press brake tool and tool holder
05/12/2004EP1417050A1 Production device, in particular a folding press and a method for operating a production device
05/12/2004CN1496290A Shaping machine in particular for metal profiles
05/12/2004CN1496289A Method for setting travel of press brake
05/12/2004CN1495996A Electronic component mfg. method and device, and driving methof for said making device
05/11/2004US6732564 Press brake tool and tool holder
05/06/2004WO2004038122A1 A beam
05/06/2004WO2004037457A1 Bending machine
05/06/2004DE10232098B4 Vorrichtung zum Herstellen von Rohren aus Blechtafeln Apparatus for producing pipes from metal sheets
05/06/2004CA2503496A1 A beam
05/05/2004CN1493516A Method of manufacturing elevator hanger frame
05/04/2004US6731996 Method of using isotropic plasticity to model the forming of anisotropic sheet
04/2004
04/29/2004US20040079131 Portable mini-break
04/29/2004DE20122096U1 Walzenformgebungsmaschine Roll forming machine
04/28/2004EP1413368A1 Press brake
04/28/2004EP1412106A1 Variable width roll forming apparatus
04/27/2004US6727986 Method and device for measuring a folding angle of a sheet in a folding machine
04/27/2004US6726259 Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam
04/27/2004US6725702 Apparatus and method for overcoming angular deviations in a workpiece
04/27/2004US6725700 Bending device and control method thereof
04/27/2004US6725699 Method for circulary bending a sheet and multicylinder device for carrying out the method
04/22/2004WO2004033125A1 Bending machine
04/22/2004WO2004033124A1 Bending machine
04/22/2004US20040074278 Cope holder device
04/22/2004US20040074275 Hot metal extru-bending machine
04/21/2004EP1411404A1 Bending machine and bending machine control method
04/21/2004EP1410855A1 Method and device for bending elements, such as panels, metal sheets, plates
04/21/2004EP1410854A1 A bending press with a substantially undeformable toolholder beam
04/21/2004CN1490098A Comb-type system for tool division plate
04/20/2004US6722181 Bending method and bending apparatus
04/20/2004US6722178 Automatic bending system and manipulator for the system
04/15/2004WO2004030842A1 Method of processing formed product, and metal cope and metal drag used for the method
04/15/2004US20040069037 Apparatus for bending and transporting an aluminum sheet and method of stretch forming an aluminum metal sheet
04/14/2004EP1181116B1 Method and apparatus for bending workpieces
04/08/2004WO2004028937A2 Manufacturing folded structures and sheet therefore
04/08/2004WO2002043886A8 A roll forming machine
04/08/2004DE10245778A1 A bending machine for sheet metal workpieces has a power assisted drive to clamp the workpiece between the holding blocks
04/08/2004DE10245777A1 A bending machine for metal sheets has an interchangeable bending tool mounted on a number of wedge blocks by which fine adjustment may be made
04/08/2004CA2499934A1 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
04/06/2004US6715329 Method and device for forming a corner limited on three sides, from a plate-shaped material with an even surface
04/01/2004US20040060337 Sheet metal bending brake
03/2004
03/31/2004EP1402967A1 Work positioning device
03/31/2004EP1401593A1 Method for setting the travel of a press brake
03/31/2004EP0915320B1 Angle detection method and apparatus for bending machine
03/30/2004US6711931 Device and method for locating variable length components in a modular forming die
03/25/2004WO2004024362A1 Roll bending machine
03/25/2004WO2004024361A1 Bending tool and tool holding fixture therefor
03/25/2004US20040055356 Method and apparatus for producing pipe from metal plate
03/25/2004US20040055348 Bending device and bending method
03/25/2004DE10131889B4 Verfahren zur Herstellung eines wellenförmigen Flügels für Plattenwärmetauscher und Vorrichtung zur Durchführung des Verfahrens A process for producing a wave-shaped wing for plate heat exchangers and apparatus for carrying out the method
03/24/2004EP1400290A1 Bending device and device arrangement comprising such a bending device
03/24/2004CN1142837C Method and apparatus for manufacturing bent products
03/24/2004CN1142836C Method and apparatus for bending malleable plates
03/23/2004US6711530 Method for evaluating error in shape of free curved surface
03/23/2004US6708541 Method and apparatus for measuring angle of bend, method of bending, and apparatus for controlling angle of bend
03/23/2004US6708384 Notched muntin bars having two finishes
03/17/2004EP1398094A1 Method and device for determining the arm length of bent products
03/17/2004EP1397218A1 Apparatus and method for manufacturing an automotive beam
03/17/2004CN1483103A 金属屋顶桁架 Metal roof truss
03/16/2004US6705145 Method of processing bent and deformed portion of metal material
03/16/2004US6705143 Method of manufacturing loading plane border frame tubes for chairs
03/11/2004WO2004020122A1 Plate material bending machine with plate material bend angle measurement and automatic correction function
03/10/2004EP1396293A1 Fixing system for a bending tool
03/09/2004US6701767 Trailered brake workstation
03/04/2004US20040040360 Method of manufacturing blade retainer and manufacturing devices therefor
03/04/2004US20040040357 Roll forming machine
03/03/2004EP1393830A1 Continuous sheet metal bending machine
03/03/2004EP1393829A1 Metal sheet part bending order and bending die proposing device and proposing method
03/02/2004US6701208 Apparatus and method of proposing bending sequences and bending tools for a metal plate part
02/2004
02/26/2004US20040037985 System for fabricating contour muntin bars from sheet material
02/26/2004US20040036344 Loop hanger for seat belt and method for manufacturing same
02/26/2004US20040035303 Tools and process for forming conical components
02/26/2004US20040035178 Bending method and device therefore
02/26/2004US20040035175 Plate processing device and method for processing a plate
02/26/2004US20040035166 Pipe body, method of manufacturing pipe body, and image forming apparatus using the pipe body
02/25/2004EP0873205B1 Bending machine
02/25/2004CN1478001A A roll forming machine
02/25/2004CN1476944A Method for bending angle of sheet metal
02/25/2004CN1476943A Pipe body making method, pipe body and image forming device using the same
02/19/2004WO2004015214A2 Width conversion tool for corner panel
02/19/2004US20040031306 Width conversion tool for use with a drywall corner finishing device and method of using same
02/19/2004DE10246609A1 Schutzeinrichtung für Maschinen, wie Biegepressen, Schneidemaschinen, Stanzmaschinen oder dergleichen Protection device for machines such as bending presses, cutting machines, punching machines or the like
02/18/2004CN1138605C Measuring method for rolling bend part curvature and roller type bending machine capable of measuring part curvature
02/17/2004US6694199 Automatic programming apparatus and storage medium for storing graphic data generating program
02/12/2004DE10329067A1 Hydraulischer Antrieb Hydraulic drive
02/11/2004EP1387726A2 Apparatus and method for reshaping tubes
02/10/2004US6688768 Bearing assembly and manufacturing method
02/05/2004US20040020255 Safety device for a manufacturing machine, for example a folding press
02/05/2004DE10232098A1 Vorrichtung zum Herstellen von Rohren aus Blechtafeln Apparatus for producing pipes from metal sheets
02/04/2004EP1387121A2 Protective device for machines such as bending presses, cutting machines, punching machines or the like
02/04/2004EP1387090A2 Hydraulic drive
02/04/2004EP1244528B1 Safety tool for supporting and holding at least one interchangeable utensil, particularly on a press-bending machine
1 ... 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 ... 94