Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves
Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
05/2003
05/07/2003EP1064109B1 Bending machine for flat material
05/06/2003US6560498 Formation method and device for curved plates
05/06/2003US6557390 Press brake assemblies, tool holder apparatuses, and components thereof
05/06/2003US6557254 Metallic wall framing, method and apparatus for producing same
05/02/2003EP1306603A2 Process and device for controlling a safety-relevant function of a machine
05/02/2003EP1198308B1 Industrial press safety system
05/01/2003WO2003035296A1 Contour roll former in particular for extruded metal profiles
05/01/2003WO2003035294A1 Bending apparatus and sheet metal working system
05/01/2003US20030079518 Apparatus and method for overcoming angular deviations in a workpiece
04/2003
04/30/2003CN1413780A High-performance machine with thermal compensation for bending programmed sheet by constant bendiy angle
04/29/2003US6553803 Method and an apparatus for determining the bending angle of a work piece to be bent
04/26/2003CA2361776A1 Apparatus and method for overcoming angular deviations in a workpiece
04/26/2003CA2360301A1 Apparatus and method for overcoming angular deviations in a workpiece
04/24/2003US20030076224 Method of, and apparatus for, controlling a safety-specific function of a machine
04/24/2003US20030074943 Method and an apparatus for can making
04/24/2003US20030074942 High performance machine with thermal compensation for programmed sheet bending with constant bending angle
04/24/2003DE19758699C2 Folding method in die stamping and bending machine
04/23/2003EP1304179A1 Metal mold for press working
04/23/2003EP1304178A2 High performance machine with thermal compensation for programmed sheet bending with constant bending angle
04/23/2003CN2546107Y Bridge type hydraulic sheets bending machine
04/23/2003CN1412696A High property machine capable of shortening set-up time for programmable plate bend
04/23/2003CN1411926A High property bender capable of reducing energy diffusion
04/22/2003US6552480 Color cathode-ray tube
04/22/2003CA2397358A1 Performance machine with thermal compensation for programmed sheet bending with constant bending angle
04/17/2003US20030070463 High performance bending machine with reduced energy dispersion
04/17/2003DE4042733C2 Detecting angles produced when flat sheet is bent
04/16/2003EP1302252A1 High performance bending machine with reduced energy dispersion
04/16/2003EP1051267A4 Extended length rotary bending and forming devices and methods for manufacture thereof
04/11/2003CA2397422A1 High performance bending machine with reduced energy dispersion
04/10/2003US20030069662 Precision press brake
04/10/2003US20030069661 High performance machine with reduced setting-up time for programmed sheet bending
04/10/2003US20030069114 Bending press system
04/10/2003US20030066325 Precision press brake
04/10/2003CA2397421A1 High performance machine with reduced setting-up time for programmed sheet bending
04/09/2003CN1409071A Tank for heat exchanger and tis producing method
04/09/2003CN1408489A Composite flanging mould
04/09/2003CN1408487A Method for producing longitudinal seam welding spiral wave metal tube
04/09/2003CN1105049C Ladder frame assembly for motor vehicle
04/09/2003CN1104978C Method for making skip body with concave cross section
04/03/2003US20030064871 Bending press system
04/03/2003US20030062469 Securing method and an optoelectronic sensor
04/03/2003US20030061856 Manufacturing device, in particular a folding press
04/03/2003US20030061852 Method for bending metal plate
04/03/2003US20030061782 Roll formed staple-in awning frame and method
04/02/2003EP1297912A1 Preliminary assembly system and assembly method for vehicle body component parts
04/02/2003CN2542358Y Hinge bending device for sheet bender
04/01/2003US6539766 Rotary cam moving apparatus for negative-angle forming die
04/01/2003US6539763 Precision press brake
04/01/2003US6539628 Formed strip and roll forming
03/2003
03/27/2003WO2003011491B1 Fibreboard container with plastic closure
03/27/2003US20030057255 Preliminary assembly system and assembly method for vehicle body component parts
03/27/2003US20030056559 Method for producing longitudinally welded helically corrugated metal tubing
03/26/2003EP1295652A2 Method of manufacturing longitudinally welded and helically corrugated pipes
03/22/2003CA2404539A1 Method for producing longitudinally welded helically corrugated metal tubing
03/20/2003WO2003022479A1 Device for forming thin-walled material into a sleeve-shaped body
03/20/2003US20030051527 Method and apparatus for checking sheet metal forms
03/20/2003US20030051526 Sheet metal tool stand
03/19/2003CN1403216A Improved three-roller bending machine
03/18/2003US6532789 Portable sheet bending brake
03/12/2003EP1291573A2 Safety method and optoelectronic sensor
03/12/2003CN1402657A Safety tool for supporting and holding at least on inter changeable utensil, particularly on press-bending machine
03/12/2003CN1402656A Press brake and method of controlling bidirectional fluid pump of hydraulic cylinder of press brake
03/12/2003CN1102871C Machine for press-bending metal sheet
03/06/2003US20030045948 Apparatus and method of proposing bending sequences and bending tools for a metal plate part
03/06/2003US20030041642 Adjustable forming die, in particular for forming presses
03/05/2003EP1287979A1 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump
03/05/2003EP1287918A1 Method and device for forming a corner limited on three sides from a flat sheet material
03/05/2003EP1287917A1 Apparatus and method for bending and punching a metal sheet
03/05/2003EP1287916A2 Adjustable forming die, in particular for forming presses
03/04/2003US6526800 Sheet fabrication center and methods therefor of optimally fabricating worksheets
03/04/2003US6526797 Negative-angle forming die
02/2003
02/27/2003WO2003015952A1 Press brake tool and tool holder
02/27/2003WO2003015951A1 Production device, in particular a folding press and a method for operating a production device
02/27/2003US20030038489 Sweep forming assembly and method
02/27/2003US20030037586 Method for precision bending of sheet of materials, slit sheets fabrication process
02/26/2003CN2537491Y Flanging and bending mechainsm of flanging machine
02/26/2003CN1102081C Steel-board bending device for refrigerator door
02/25/2003US6523386 Negative-angle forming die
02/20/2003WO2003013754A1 Bending roll machine
02/20/2003US20030033846 Press brake tool and tool holder
02/20/2003US20030033845 Bending brake machine
02/20/2003DE10163498C1 Bending machine with adjustable lower tool has lower tool able to be coupled too adjustable stop, spacing of which from lower tool can be adjusted with coupling released
02/18/2003US6519996 Pressing-bending machine with a device for detecting the lower and upper cross-members deflection, aimed at interacting with at least one crowning system
02/18/2003US6519995 Rotary cam driving apparatus for negative-angle forming die
02/13/2003WO2003011492A1 Variable width roll forming apparatus
02/13/2003WO2003011491A1 Fibreboard container with plastic closure
02/13/2003WO2003011490A1 Hydraulic press brake tool holder
02/13/2003US20030029216 Blank guided forming
02/13/2003US20030029213 Bending device and control method thereof
02/13/2003DE20218948U1 Workshop edging jig has interchangeable profiles locked in place by lever-operated spring-loaded pin
02/12/2003EP1283080A2 Bending device and control method thereof
02/12/2003EP1282475A1 Tools and process for forming conical components
02/12/2003EP0744046B1 Intelligent system for generating and executing a sheet metal bending plan
02/12/2003EP0738200B1 Shear force sensing system
02/12/2003CN2535156Y Electroplating pulley plate-folder
02/12/2003CN1396404A Safety device and protection method for machine
02/11/2003US6516649 Press brake tooling providing stabilization between die and die holder
02/11/2003US6516648 Bending machine for flat material
02/06/2003WO2003009950A1 Device for shaping a plastically deformable strip material about its longitudinal axis with regard to a tube
02/06/2003WO2002094467A3 Apparatus and method for reshaping tubes
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