Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
02/2007
02/28/2007EP1755803A1 Method for producing expanded metal profiles and profile produced by the method
02/28/2007CN2873344Y Extrusion molding machine
02/22/2007DE202006018552U1 Bördelhandgerät Bördelhandgerät
02/22/2007DE102005054576B3 Method to produce curved elements such as bearing bush or bearing shell whereby blank is bent around first bending axis after pre-bending around second axis on the edges of its lengthwise sides
02/21/2007EP1753559A1 Folding machine
02/21/2007CN2871051Y Fast manual circular winder
02/21/2007CN2871050Y Long-plate reeling machine
02/21/2007CN1915550A Equipment for flexible rolled plate in 3D curved surface
02/15/2007US20070033981 Method for correcting a folding operation and folding press
02/14/2007EP1750866A2 Roller cam
02/14/2007EP1438149B1 Contour roll former in particular for extruded metal profiles
02/14/2007CN2868489Y Semipipe roller press
02/14/2007CN2868488Y Medical steel plate single-forcep multi-way bending modeling forceps
02/14/2007CN1912411A Bottom roll bearing block
02/14/2007CN1300428C Metal roof truss
02/13/2007US7174759 Forming machine and method for deforming a hollow workpiece
02/07/2007EP1749591A1 Connecting device with substantially unidirectional deformability
02/07/2007CN2865914Y Die-changeable lower die for bending machine
02/07/2007CN2865902Y Flat rim rolling machine
02/07/2007CN2865901Y Roll forming-improving equipment
02/07/2007CN2865900Y A U-type thick plate bending mold
02/06/2007US7171836 Roofing panel notching, shearing, and hemming tool
01/2007
01/31/2007EP1747825A1 Bending device
01/31/2007CN1903470A Main transmission device of rolling machine
01/31/2007CN1903469A Pressing-down mechanism of rolling machine
01/31/2007CN1297369C Hollow polygon body forming method
01/24/2007CN2860651Y Three-roller circularity reeling machine
01/23/2007US7165438 Wedge driving tool having mutually adjustable elements for the cutting and/or non-cutting shaping of a sheet metal workpiece in a press
01/18/2007WO2007008993A1 Press brake tool holder incorporating tool-seating mechanism
01/18/2007WO2007008152A1 Roll-forming machine and method for roll-forming a hat-shaped profile
01/18/2007CA2612628A1 Press brake tool holder incorporating tool-seating mechanism
01/17/2007CN2858092Y Folding clamper for battery pole sheet
01/17/2007CN2858091Y Thick-plate bender
01/17/2007CN1898042A Method and device for manufacturing uoe steel tube
01/16/2007US7163030 Rectangular and square double wall ducting systems
01/16/2007US7162908 Device for handling the upper moving table carrying the punch in a bending press
01/11/2007DE102005031437A1 Method for producing strip profiles by pulling through dies with pivot mounted adjustable outer sections
01/10/2007CN1891368A Apparatus, method and foot-stand for controlling process machine
01/10/2007CN1891367A Screwdown gear for coiling-berding machine
01/09/2007US7159439 Automatic control of intermediate pieces in a bending press
01/09/2007CA2214948C Apparatus for processing curved surfaces
01/04/2007US20070005176 Method for producing die for press brake and die
01/03/2007EP1737589A2 Method of designing fold lines in sheet material
01/03/2007CN1890038A 控制系统 Control Systems
01/03/2007CN1887465A Plate bending straightener
12/2006
12/28/2006WO2006138179A2 Roll-former apparatus with rapid-adjust sweep box
12/28/2006DE10163682B4 Verfahren und Vorrichtung zum Herstellen eines längsgeschlitzten Rohres aus Metall, insbesondere Stahl Method and apparatus for manufacturing a longitudinally slotted tube made from metal, in particular steel
12/28/2006CA2611484A1 Roll-former apparatus with rapid-adjust sweep box
12/26/2006US7152453 Press brake tool and tool holder
12/26/2006US7152450 Method for forming sheet material with bend controlling displacements
12/26/2006US7152449 Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
12/21/2006WO2006135835A2 Press brake tool incorporating seating and/or locating mechanism
12/21/2006WO2006135030A1 Bending device and method for managing die, method for arranging die and method for selecting die stocker
12/21/2006WO2006134667A1 Device and method for controlling welding angle
12/21/2006CA2611564A1 Press brake tool incorporating seating and/or locating mechanism
12/20/2006CN2848404Y Hydraulic three roller plate rolling machine
12/19/2006CA2150588C Multiple finned tube and a method for its manufacture
12/14/2006US20060277960 Roll-former apparatus with rapid-adjust sweep box
12/13/2006EP1731237A2 Metal sheet working machine
12/13/2006CN2845941Y Forming device for making plate into tube
12/13/2006CN1289223C Cold-bent central beam for manufacturing railway carriage and manufacturing method thereof
12/07/2006US20060272376 Methods and apparatus for controlling flare in roll-forming processes
12/07/2006DE19840637B4 Verfahren zum Herstellen einer Falzverbindung zwischen einem Außenblech und einem Innenblech A method for producing a folded seam connection between an outer panel and an inner panel
12/06/2006CN2843650Y Flattening mould of bus bender
12/03/2006CA2549256A1 Watertight joint compound/mud pan and method of manufacture
11/2006
11/29/2006CN2841178Y Tension hydraulic apparatus of stretching-bending flattener
11/29/2006CN1286590C Method for setting travel of adjustable bender
11/28/2006CA2310301C Bending machine for sheet metal panels with high edges
11/23/2006WO2006122379A1 Sheet-metal working machine and method for machining sheets
11/23/2006WO2006036462A3 Bend line with bend controlling grooves and method
11/23/2006CA2608211A1 Sheet-metal working machine and method for machining sheets
11/22/2006EP1722909A2 Sheet metal with bend controlling displacements and method for forming the same
11/22/2006EP1722907A1 A production line and a method of forming profiles
11/22/2006EP1722906A1 Press brake tool and tool holder
11/22/2006EP1539391B1 Bending tool and tool holding fixture therefor
11/22/2006EP1517761B1 Manufacturing device, particularly a folding press, having electronic tool detection
11/22/2006CN2838793Y Rolling machine with upper roller capable of horizontal shifting
11/22/2006CN2838792Y Upper roller connecting device for crossbeam rolling machine equiped on top of upper roller
11/22/2006CN2838791Y Rolling machine equiped with motion transducer
11/15/2006CN1863613A Mobile roll former assembly
11/14/2006US7134456 Pipe body, method of manufacturing pipe body, and image forming apparatus using the pipe body
11/14/2006US7134314 Hydraulic tool automatic adjusting die holder
11/14/2006US7134313 Method and tool mounting for adjustment of tools on a press mounted cam
11/14/2006US7134309 Pre-hemming apparatus
11/14/2006CA2228681C System for fabricating muntin bars from sheet material
11/09/2006WO2006031947A3 Computational geometry design for sheet metal machinery corner
11/08/2006CN1857815A Method of raising prebending capacity of horizontal downward regulating three-roller plate-bending machine
11/07/2006US7131304 Spinning method and apparatus
11/02/2006WO2006115447A1 A production line and a method of shaping profiles
11/02/2006EP1715968A1 Process and pneumatic device for detecting the bending angle of a plate sheet in a bending press
11/02/2006CA2604626A1 A production line and a method of shaping profiles
11/01/2006CN2832340Y Tube winding machine for fishing rod front end
11/01/2006CN1853816A Three-roller veneer reeling machine with adjusting lower-roller centering distance horizontally
10/2006
10/26/2006WO2006110966A1 Automatic system to transform flat straps into profiled edge protectors
10/26/2006WO2006053197A3 Sheet bend controlling structures, dies and process
10/26/2006US20060236737 Method and device for manufacturing UOE steel pipes
10/25/2006CN2829930Y Rolling bender for sheets of steel plates
10/25/2006CN1850389A Circular tube open hollow-bending shaping machine set
10/25/2006CN1850388A Dual-shaft variable-section roll-bending shaping machine
10/25/2006CN1850387A Adjusting device for variable section roll-bending shaping machine and its adjusting method
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