Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
09/2004
09/08/2004CN1165440C Method for production of a windscreen wiper arm with a U-profile cross-section and the corresponding device
09/08/2004CN1165414C Corrugation forming machine
09/08/2004CN1165392C Tube shaping equipment using tube bending roll, its shaping method and tube
09/08/2004CN1165391C Formation method and device for curved plates
09/07/2004US6786145 Safety device for a manufacturing machine, for example a folding press
09/02/2004US20040168501 Method for locating variable length components in a modular forming die
09/02/2004US20040168500 Plate material processing machine with bending function and tool for the same
09/02/2004US20040168499 Contour roll former in particular for extruded metal profiles
09/02/2004US20040168498 Hydraulic circuit for linearly driving a machine-tool slider in both directions
09/01/2004EP1452302A1 Process for correcting a bending operation and press brake
09/01/2004EP1452248A1 A hydraulic circuit for linearly driving a machine-tool slider in both directions
09/01/2004CN2637021Y Undercut and shaping mechanism of automatic undercut machine
09/01/2004CN2637020Y Quick opening mechanism of automatic undercut machine
09/01/2004CN2637019Y C-Z model steel forming machine
08/2004
08/31/2004US6782772 Hollow rack shaft and manufacturing method thereof
08/31/2004US6782729 Tool clamping device for shaping tool, especially for a press brake
08/26/2004WO2004071688A1 Quick front clamping system for reversible clamping of bending tools
08/26/2004WO2004071687A1 Method and apparatus for automatically correcting bending angle of cutting blade
08/26/2004WO2004028937A3 Manufacturing folded structures and sheet therefore
08/26/2004US20040163442 Fixing system for mounting and dismounting a bending tool
08/26/2004US20040163437 Roll forming apparatus for forming sheet material into multiple shapes
08/25/2004EP1449599A1 Fastening device for mounting and disassembling a bending tool
08/25/2004EP1449598A1 Supplementary tool-holding table for compensating the flexure of the upper or lower table of a bending press
08/25/2004EP1448323A1 Device for production of a tube
08/25/2004CN2635245Y Medical three dimension steel plate bending apparatus
08/25/2004CN1522809A Fixing system for mounting and dismounting a bending tool
08/25/2004CN1163348C Laminated material and processing method of bending laminated material
08/25/2004CN1163324C Method and apparatus for cold-bending C-shaped telescopic combined curtain bar
08/25/2004CN1163321C Coiling and press-levelling formation method for sheet metal material
08/24/2004US6780145 Bending press system
08/24/2004US6779244 Method for production of a windscreen wiper arm with a U-profile cross-section and the corresponding device
08/24/2004CA2335517C Method and device for producing straight bead welded pipes from flat sheet metal blanks
08/19/2004WO2004069444A1 Plate bending machine
08/19/2004US20040159994 Method and device for the production of curved spring strip sections
08/19/2004US20040159696 Thick-section metal forming via friction stir processing
08/18/2004CN1162111C Making process of metallic cross bar for window curtiain
08/17/2004US6778092 Method of, and apparatus for, controlling a safety-specific function of a machine
08/17/2004US6776020 Method for stretching forming and transporting and aluminum metal sheet
08/12/2004WO2004067203A1 Slender body molding device
08/12/2004US20040157715 Bending press system
08/12/2004US20040154158 Apparatus and method for manufacturing an automotive beam
08/11/2004EP1251976B1 Manufacturing device, in particular, a folding press
08/10/2004US6772616 Forming machine for sheets of formable material
08/05/2004WO2004065032A1 Metal foil tube and method and apparatus for production thereof
08/05/2004DE10303020A1 Method of edging vehicle composite sandwich panel involves removing part of core and one skin panel and cutting opposing skin panel to thin it
08/03/2004US6771363 Device and method for determining a bending angle of a sheet and the use thereof for the angle-bending of sheets
08/03/2004US6771260 Sketcher
08/03/2004US6769597 Bent work and bending method and bending device used therefor
08/03/2004US6769164 Method and an apparatus for can making
07/2004
07/29/2004DE10055950B4 Rollformanlage, insbesondere zur Endlosformung von streifenförmigem Material Roll forming system, especially for continuous shaping of strip material
07/28/2004EP1439920A1 A method of bending metal roofing sheets and a bending apparatus
07/28/2004CN1515365A Cold-bent central beam for manufacturing railway carriage
07/27/2004US6766676 Roll forming machine with quick-change profile
07/22/2004WO2004033125A8 Bending machine
07/22/2004US20040140011 Pipe body and forming method of the same
07/21/2004EP1438149A1 Contour roll former in particular for extruded metal profiles
07/21/2004CN1158699C Method and apparatus for manufacture of electronic components, and method for driving the apparatus
07/21/2004CN1158148C Method for designing three-roller bending machine
07/20/2004US6763739 Hollow rack shaft and manufacturing method thereof
07/20/2004US6763695 Sheet material cutter and cut-off gauge for use in combination with a sheet bending brake
07/15/2004US20040134250 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
07/15/2004DE10059064B4 Hohlkörper zum Aufnehmen einer Glasschmelze Hollow body for receiving a glass melt
07/08/2004US20040129050 Contact surface structure of bending die
07/08/2004US20040128846 Method and apparatus for measuring bent workpieces
07/06/2004US6758797 Bending press system
07/06/2004CA2118396C Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions
07/01/2004DE202004001970U1 Biege- oder Schneidemaschine ausgestattet mit einer Steuerungseinrichtung, welche auf der Grundlage des Steuerungssystems Windows CE.net funktioniert Bending or cutting machine equipped with a control device which operates on the basis of the control system Windows CE.net
06/2004
06/30/2004EP1432538A1 Method of forming metal sheet
06/30/2004CN1509215A Apparatus and methof for reshaping tubes
06/29/2004US6755067 Trim stock scoring tool
06/24/2004WO2004052634A1 Reciprocation drive mechanism and press using the same
06/24/2004WO2004052570A1 Cope holder device for press brake
06/23/2004EP1429877A1 Hydraulic press brake tool holder
06/23/2004EP0977641B1 Machine with an optical-electrical protective system and method for operating such a machine
06/22/2004US6752253 Guard means for machines, more particularly pressbrakes, guillotines, stamping machines and the like
06/22/2004US6751995 Roll bending die
06/22/2004US6751993 Bending method and bending system
06/17/2004US20040112106 Method and device for forming a corner bounded on three-sides from a flat, sheet material
06/17/2004US20040112103 Roll forming machine with quick-change profile
06/17/2004US20040112005 Quick change metal stud to hemmed track roll forming system
06/16/2004EP1427552A1 Device for forming thin-walled material into a sleeve-shaped body
06/16/2004CN1504278A Hand operated bending machine
06/15/2004US6751572 Auto-correcting part measurement system
06/15/2004US6748788 Method for bending metal plate
06/15/2004US6748786 Metal tubular body and manufacturing method thereof
06/15/2004US6748784 Portable sheet bending brake
06/15/2004US6748783 Bend/cut-off gauge for a portable sheet bending brake
06/10/2004US20040111177 Method for setting the travel of a press brake
06/09/2004EP1347844A4 Method for precision bending of a sheet of material and slit sheet therefor
06/09/2004EP1320427B1 Method and installation for making a workpiece comprising at least a tubular section
06/09/2004EP1276575B1 Method and apparatus for forming two flanges on a metal sheet
06/08/2004US6745448 Pipe body and forming method of the same
06/03/2004WO2004046397A1 Method of increasing strength of cold worked part by ultrasonic shock treatment, and metal product with high fracture toughness and fatigue strength
06/03/2004US20040103710 Comb system for tool spacers
06/03/2004US20040103706 Method and device for bending elements, such as panels, metal sheet, plates or suchlike
06/02/2004EP1424146A1 Device for automatically correcting bending parameters inherent of sheet metal in a press brake
06/02/2004CN1500574A Flanging method for aluminium-plastics composite plate
05/2004
05/27/2004US20040099038 Bending press with a substantially undeformable toolholder beam
05/27/2004US20040099034 Device having pivotable wheel mechanism
05/26/2004EP1422002A1 Bending roll machine
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