Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
05/2001
05/15/2001US6233538 Apparatus and method for multi-purpose setup planning for sheet metal bending operations
05/15/2001US6230536 Negative angle-forming die
05/15/2001US6230533 Folded tube for a heat exchanger and method for shaping it
05/10/2001WO2001032328A2 Automated profile control-roll forming
05/10/2001DE19951468A1 Verfahren zum Herstellen eines im Querschnitt U-förmigen Bügels eines Scheibenwischers und entsprechende Vorrichtung A method for producing a cross-sectionally U-shaped stirrup of a windscreen wiper, and corresponding apparatus
05/10/2001DE10054644A1 Plate-form press with block and tools, with holding device in form of holding bolt or block member pre-tensioned by spring
05/09/2001EP1097411A1 Integrated support system for supporting sheet metal machining
05/08/2001US6227028 Device for adapting the size of a machine tool jaw
05/08/2001US6227022 Apparatus for bending operations
05/03/2001WO2001030620A1 Method for production of a windscreen wiper arm with a u-profile cross-section and the corresponding device
05/01/2001US6223577 Automated profile control—roll forming
05/01/2001US6223575 Tube forming machine using three point bending
04/2001
04/26/2001WO2001028706A1 Device and method for determining a bending angle of a sheet and the use thereof for the angle-bending of sheets
04/26/2001WO2001028705A1 Press brake and ram movement method for press brake
04/26/2001WO2000059903A9 Universal die holder assembly for press brakes
04/26/2001CA2388412A1 Device and method for determining a bending angle of a sheet and the use thereof for the angle-bending of sheets
04/25/2001CN1292737A Formation method and device for curved plates
04/25/2001CN1292309A Bending machinery and its running method
04/25/2001CN1064869C Method and device for rounding axle sleeve
04/19/2001WO2001026836A2 Roll-forming machine with adjustable compression
04/18/2001CN1292106A Method and apparatus for designing sheet metal parts
04/17/2001US6216514 Roll-forming machine
04/17/2001CA2183272C Roll forming machine
04/11/2001EP1090700A2 Formed strip and roll forming
04/11/2001EP1090699A2 Bending machine and its operation method
04/11/2001EP1089836A1 A device for measuring angles
04/11/2001EP1089835A1 Method and device for producing straight bead welded pipes from flat sheet metal blanks
04/11/2001EP0993345B1 Laser-assisted bending method
04/11/2001CN1064282C Machine for stamping, bending and assembling sheet metal parts
04/11/2001CN1064279C Method for making large seamless Ti tube and seamless Ti tube composite cathode roller from said material
04/10/2001US6215084 Method and apparatus for welding container bodies
04/10/2001US6213158 Flat turbulator for a tube and method of making same
04/10/2001US6212933 Back gauge device
04/04/2001EP1088606A2 Structural member having closed sections
04/04/2001CN1063989C Upper tool and upper tool holder for press brake and method of holding the upper tool
04/03/2001US6209374 Roll-forming machine with adjustable compression
03/2001
03/29/2001WO2000043142A3 Bending machine
03/29/2001EP1064108A3 Bending machine
03/29/2001DE19939837A1 Verfahren und Vorrichtung zum Erfassen eines Biegewinkels an einem Werkstück Method and device for detecting a bending angle on a workpiece
03/29/2001DE10048201A1 Metal plate bending device, with each bending beam at least partly in form of hollow box structure
03/28/2001EP1086441A1 Automatic programming apparatus and storage medium for storing graphic data generating program
03/21/2001EP1084774A1 Method for the continuous production of a longitudinally seam welded and corrugated metal tube
03/21/2001CN1063361C Driving device for a bending unit
03/15/2001WO2001017708A1 Device at a plate forming tool
03/14/2001EP1083403A1 Procedure and device to determine the bending angle of objects
03/07/2001EP1080801A1 Method and apparatus for measuring bending angle and system for measuring bending angle using the same apparatus
03/07/2001EP1080451A1 Sheet metal working graphic data generation method and apparatus
03/06/2001US6196041 Sheet-metal bending press
03/06/2001US6196040 Negative angular forming die and pressing apparatus
03/01/2001WO2001014826A1 Method and device for detecting a bending angle on a workpiece
02/2001
02/28/2001CN1285246A Double-function hydraulic gearing bender for sheet material
02/27/2001US6192732 Bending method and bending apparatus for bending machine
02/22/2001WO2001012356A1 Method and device for forming conical tube casings
02/21/2001CN2420081Y Regulator for roller of rolling mill for stainless steel cold bending section
02/21/2001CN2420080Y Fixiing core block for rolling cold bending section
02/20/2001US6189364 Bending angle correction method and press brake
02/20/2001US6189360 Metal forming machine
02/14/2001EP1075881A2 Profiling installation for making Trapezoidal profiles
02/14/2001EP1075880A1 Press brake with lower beam provided with slots
02/13/2001US6185975 Apparatus for cold bending of metal sheets for making elongated articles with predetermined profile
02/13/2001US6185974 Machine for punching and bending metal sheets
02/13/2001US6185899 Metal panel structures
02/08/2001WO2001008828A1 Tool locking unit in sheet metal bending brakes, in particular for the lower tool
02/08/2001CA2375978A1 Tool locking unit in sheet metal bending brakes, in particular for the lower tool
02/07/2001EP1074319A2 Apparatus for pressing a metal plate into a desired shape
02/07/2001CN2417949Y Column type stainless-steel cold-bent section mill
02/07/2001CN1282637A Processing method of coated steel plate
02/01/2001DE19938537C1 Profilieranlage zur Herstellung von Trapezprofilen Profiling system for the production of trapezoidal profiles
01/2001
01/31/2001CN2416980Y Portable type fire-prevention plate bending machine
01/24/2001EP1069963A1 Method and device for producing cambered sections of spring band
01/24/2001EP0912265B1 Device for adjusting the size of a machine tool blank holder
01/18/2001WO2001003864A1 Sheet metal bending system comprising press brake and sheet metal support device, control data creating method therefor, and computer-readable storage medium where the control data is stored
01/18/2001WO2001003863A1 Bending machine with improved precision
01/16/2001US6173484 System for fabricating muntin bars from sheet material
01/10/2001EP1066893A1 Metal sheet bending device
01/10/2001CN1060413C Plate roller for rolling slender cylinder
01/09/2001US6170315 Bending press for making channel-shaped bends in the edges of a sheet-metal panel
01/09/2001US6170314 Bending press for forming channel-shaped bends in the edges of a metal sheet
01/03/2001EP1065466A2 Flat turbulator for a tube and method of making same
01/03/2001EP1064110A1 Bending machine
01/03/2001EP1064109A1 Bending machine for flat material
01/03/2001EP1064108A2 Bending machine
01/02/2001US6167737 Vane forming apparatus
12/2000
12/28/2000DE19928831A1 Holding device for workpieces on bending machines or presses has control means to deactivate holding device as tool reaches predetermined position relative to workpiece
12/27/2000EP1063030A2 Press device
12/26/2000US6164115 Cam slider and a cam unit using the same
12/26/2000US6164114 Compensation device for a press brake
12/20/2000EP1060037A1 Formation method and device for curved plates
12/19/2000US6163374 Bending angle detection system
12/19/2000US6161408 Bending method and bending apparatus
12/13/2000EP1058868A1 Method and apparatus for designing sheet metal parts
12/13/2000CN1276745A Pressing-bending machine with device for detecting lower and upper cross-member deflection, aimed at interacting with at least one crowning system
12/07/2000WO2000072991A1 Method for producing a device for storing solids, liquids and/or gases, especially a container for storing food, and device for carrying out a production method of this type
12/06/2000EP1057927A1 Screen cylinder, especially for paper pulp
12/06/2000EP1057549A2 Bending machine for sheet metal panels with high edges
12/06/2000EP1057548A2 Double function bending blade for sheet metal bending machine
12/06/2000EP1057547A1 Bending and squeezing blade for sheet metal bending and squeezing machine and machine utilising the aforesaid blade
11/2000
11/29/2000CN2407854Y Correct veneer reeling machine
11/28/2000US6151951 Upper tool holding apparatus and upper tool separating method from upper tool holding apparatus
11/28/2000US6151947 Method and apparatus for the production of bent sheet metal pieces
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