Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
07/2006
07/19/2006CN2796882Y Roller type veneer reeling machine of reeling conical drum
07/19/2006CN1264646C Hydraulic circuit by two-direction linear driving machine tool sliding piece
07/19/2006CN1264621C Manufacturing mould for large-scale angular steel plate structure and its use method
07/18/2006US7079919 Method for setting the travel of a press brake
07/13/2006WO2006056046A3 Method for forming a bumper beam for a motor vehicle
07/13/2006US20060153943 Mold device for curving sheet member
07/13/2006US20060150388 Metal foil tube and method and apparatus for production thereof
07/13/2006DE102005012384A1 Free bending of workpiece such as sheet useful in sheet bending operations involves construction of bending and correction curves and application of the corrections to further bending
07/13/2006DE10163956B4 Verfahren und Vorrichtung zum Messen von Längen an einem durch Biegen verformten Werkstück Method and apparatus for measuring lengths of a deformed by bending workpiece
07/12/2006EP1677921A1 Tool holder unit for bending brakes
07/12/2006CN2794670Y Rolling and forming machine for concrete plate dam water blocking copper sheet
07/11/2006US7073259 Apparatus and method for manufacturing an automotive beam
07/06/2006WO2006070822A1 Work bending angle detecting device and work bending machine
07/06/2006US20060147732 Metal plate, method for making same and method for folding same
07/05/2006EP1676654A1 A roll forming machine
07/05/2006CN2792638Y Composite electrohydraulic driver of bender
07/05/2006CN1262366C Bending device
07/04/2006US7069766 Cope holder device
07/04/2006US7069762 Bending machine
06/2006
06/29/2006WO2006067282A1 Method for bending a plate and a plate bending machine
06/29/2006DE19510377B4 Biegevorrichtung für Werkstücke, insbesondere für Bleche, Stangen, Rohre, Profile oder dergleichen Bending device for the workpieces, particularly for sheets, rods, tubes, profiles, or the like
06/28/2006CN2790620Y Band steel bending straightening machine
06/27/2006US7065999 Bending roll apparatus
06/22/2006WO2006065568A2 Sheet bending method and sheet
06/22/2006WO2006063683A1 Method and apparatus for determining the thickness or the springback of a workpiece bent by a press brake
06/22/2006US20060130551 Method of bending sheet materials and sheet therefor
06/21/2006EP1671717A1 Method for precision bending of a sheet of material and slit sheet therefor
06/21/2006CN2788926Y Double-machine linkaging bending machine
06/21/2006CN2788925Y Bending machine
06/21/2006CN1788873A Method and apparatus for producing heterotype tubing using steel plate
06/20/2006US7062947 Cutting and folding machine
06/20/2006CA2490960A1 Bed knife and method of forming
06/14/2006EP0919300B1 Press brake with device for checking tool interferences
06/14/2006CN1787888A System for metering the bending angle in a machine for bending metallic sheets and/or sections, as well as method and machine for bending metallic sheets and/or sections using such system
06/13/2006US7059164 Plate material processing machine with bending function and tool for the same
06/13/2006CA2303965C Hollow flange section
06/08/2006US20060117828 Short-flanged sheet material forming and joining
06/08/2006US20060117824 Method and system for processing plate material, and various devices concerning the system
06/07/2006CN2785748Y Roll shaft structure of compaction steel plate moulding machine
06/07/2006CN1258409C Tube body and method for forming tube body
06/06/2006US7055358 Radius pull clamp
06/06/2006US7055355 Method and device for bending elements, such as panels, metal sheet, plates or suchlike
06/01/2006WO2006057074A1 Roll for molding square tube and method and device for rollingly molding square tube
06/01/2006WO2006056046A2 Method for forming a bumper beam for a motor vehicle
06/01/2006DE102004046687B3 Verfahren und Vorrichtung zur Herstellung eines längsnahtgeschweißten Hohlprofils Method and apparatus for producing a longitudinally welded hollow profile
05/2006
05/31/2006EP1661636A2 A roll forming machine and method
05/31/2006CN2784075Y Automatically crimping and bending machine
05/30/2006CA2217247C A bending machine provided with a blank holder having programmable length
05/26/2006WO2006054596A1 Bending method, and die and bending machine used for the bending method
05/26/2006WO2005101223A3 Apparatus for straightening a propeller drive shaft
05/25/2006US20060107728 Metal shaping apparatus
05/24/2006EP1658909A2 Folding angle measuring system on folding machines
05/24/2006EP1658908A1 Device and method for bending, and bending die
05/24/2006DE202006000661U1 Flanging device used in vehicle construction comprises a flange mold for flanging a component by moving the mold along an edge of the component and a support roller with a rolling surface for receiving a force
05/24/2006DE102005018866B3 Bending device e.g. for bending or beveling item such as sheet metal component, wedges article which can be worked on and movable bending mechanism is provided which is two-pieced
05/24/2006DE102004050784B3 Verfahren und Anbiegepresse zum Anbiegen der Randstreifen eines zu einem Schlitzrohr zu formenden ebenen Bleches A method and bending press for bending of the edge strips of a slit tube to be molded flat sheet
05/24/2006CN1775400A Plate-to-pipe shaping apparatus
05/23/2006US7048861 System and method for in-well aeration
05/18/2006WO2006053197A2 Sheet bend controlling structures, dies and process
05/18/2006CA2586977A1 Sheet bend controlling structures, dies and process
05/17/2006EP1657607A2 Computerized system for generating and executing a sheet metal bending plan and computer
05/17/2006EP1657005A1 Method of manufacturing a sheet metal profile
05/17/2006EP1135223A4 Stretch roll forming method and apparatus
05/17/2006EP1007237B1 Method for manufacturing a workpiece in a bending press and bending station for carrying out the method
05/17/2006CN1772407A Horizontal downwards regulating three-roller plate bending machine
05/17/2006CN1772406A Hydrauic three-roller plate bending machine
05/16/2006US7044169 Pipe body and forming method of the same
05/16/2006US7043954 Apparatus for straightening a propeller drive shaft
05/16/2006US7043950 Measuring device for measuring a sheet of material in a sheet bending brake
05/11/2006CA2525077A1 Profile device
05/10/2006CN2779159Y Worm driving mechanism used for servo motor type bending machine
05/10/2006CN1255639C Metal pipe and its production method
05/10/2006CN1255230C Die-stamping method and tools, use thereof for stamping benches stamped articles such as benches thus obtained
05/09/2006US7040129 Sheet working method, sheet working system, and various devices related to such system
05/09/2006US7040127 Method and device for forming a pipe
05/09/2006CA2184208C Rotary upper roll selector
05/04/2006WO2006045942A1 Sheet metal bending machine and production line incorporating a machine of this type
05/04/2006WO2006045511A1 Method and device for producing a profile
05/03/2006CN1767940A Method for correcting a folding operation and folding press
05/02/2006US7036345 Method of monitoring ram speed of press brake, press brake using the method, and method and apparatus for controlling ram position of press brake
04/2006
04/27/2006WO2006043408A1 Method and apparatus for bending
04/27/2006WO2006042975A1 Device and folding system for a blank
04/27/2006DE102005051368A1 Bend press has tool retainer for press tool with main body and tightening bar with retaining recess between them whereby locking mechanism with clamping bar is movably mounted in guiding nut of tightening bar
04/26/2006EP1651019A2 Stencil, frame to stretch said stencil as well as process and device to manufacture stencil
04/26/2006EP1649946A1 Bending press
04/26/2006EP1503874B1 Production device with a bending press, and method for operating said production device
04/26/2006EP1347844B1 Method for precision bending of a sheet of material and slit sheet therefor
04/26/2006CN1253265C Positioning process for double bending of embedded switch cabinet panel
04/25/2006US7032426 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
04/25/2006US7032425 Folding support assembly
04/25/2006US7032423 Hydraulic circuit for linearly driving a machine-tool slider in both directions
04/20/2006WO2006039916A1 Method and bending press for bending the boundary edge of a sheet for shaping into an open seam tube
04/20/2006WO2006039893A1 Device and method for adapting plates for exact arrangement on a plate carrying device
04/20/2006DE19754171B4 Verfahren zur Herstellung eines Profils mit in seinem Längsverlauf sich änderndem Querschnitt und Vorrichtung zur Durchführung des Verfahrens A process for producing a profile along its length with a varying cross-section and a device for carrying out the method
04/19/2006EP1647339A1 Metal tube and its production method
04/19/2006CN1759949A Four rollers automatic reeling mechanism in product line of manufacturing ternary cleaner for tail gas of cars
04/18/2006US7031893 Apparatus and method for multi-part setup planning for sheet metal bending operations
04/18/2006US7029429 Bending press system
04/13/2006WO2005049243A3 Sheet metal bending brake with improved hinge
04/13/2006US20060075798 Sheet material with bend controlling displacements and method for forming the same
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