Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
11/2007
11/29/2007US20070271994 Press brake tooling technology
11/29/2007US20070271987 Bending Apparatus, Method Thereof, and Bending Tool
11/28/2007CN200981092Y Roller type plate-rolling machine thermal state working roller with cooling device
11/28/2007CN101078089A High strength hot rolled steel sheet having excellent stretch flangeability and its production method
11/28/2007CN100351476C Metal roof truss
11/22/2007US20070266752 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
11/22/2007DE102006027046B3 Device for the production of a pipe comprises cylindrical rotating rollers running parallel to a molding roller to exert a force in this direction
11/22/2007DE102006023602A1 Assembly for the formation of a winding eye at the center of a sheet metal ribbon coil has profiled feed roller
11/21/2007CN101073872A Metal mould for plate bending apparatus and its manufacture
11/20/2007US7296457 Thermally-actuated press brake tool holder technology
11/20/2007US7296455 Tool system for bending sheet materials and method of using same
11/15/2007WO2007129780A1 Apparatus for forming circle shape of thick steel plate for making pipe and method thereof
11/14/2007EP1854564A1 Metal plate bending assembly and method
11/14/2007EP1854563A1 Method for producing die for press brake and die
11/14/2007EP1677921B1 Tool holder unit for bending brakes
11/14/2007CN200974162Y Lifting device for drum diameter regulating mechanism
11/14/2007CN200974090Y Manual metal plate flanging machine
11/14/2007CN101069908A Process for board-rolling machine to make roll
11/14/2007CN101069907A Board rolling machine
11/08/2007WO2007125900A1 Bending method and apparatus
11/08/2007DE10223637B4 Biege-Werkzeug Bending tool
11/07/2007EP1852669A1 Heat exchanger for refrigerator and method for manufacturing a tube thereof
11/07/2007EP1851487A1 System for connecting air conditioning ducts
11/07/2007EP1851399A2 Apparatus for forming a gutter cap and gutter cap assembly
11/07/2007CN200970616Y Quick mold changer for press bending and forming
11/07/2007CN200970615Y Following press bending mold capable of regulating span
11/07/2007CN200970610Y Clamp for preventing cross bar from cracking while forming ribbed integrated wall plate
11/07/2007CN200970608Y Two dimension curve face flexible plate roller with independent driving sub roller
11/07/2007CN200970607Y Axle sleeve circle roller
11/07/2007CN200970606Y Special prebender for one step forming medical steel plate
11/07/2007CN101068635A Method of designing fold lines in sheet material
11/07/2007CN101066550A Door frame bending mold with adjustable unit
11/07/2007CN100346894C Four rollers automatic reeling mechanism in product line of manufacturing ternary cleaner for tail gas of cars
11/06/2007US7290423 Roller hemming apparatus and method
11/06/2007US7290422 Device for free three-dimensional profile forming
11/06/2007US7290318 Electromagnetic flanging and hemming apparatus and method
11/05/2007CA2780917A1 A self locking sheet metal duct with a sealant and method for manufacturing the duct with a sealant and installing the duct with a sealant
11/01/2007US20070251286 Press
11/01/2007US20070251285 Apparatus and method for manufacturing spiral duct
10/2007
10/31/2007DE102006019823A1 Verfahren und Vorrichtung zur Herstellung von Rohren Method and device for production of pipes
10/31/2007CN200967074Y Clamp for preventing the cracking of the direct reinforcement when the integral wainscot having reinforcement is formed
10/31/2007CN101065197A Method and device for production of a longitudinal seam welded hollow profile
10/26/2007CA2544402A1 Handi-mate mechanical/hand operated machine
10/25/2007DE202006020110U1 Schwenkbiegemaschine zur Messung und/oder Korrektur der Werkstückform nach dem Umformen durch Biegen Bending machine for measuring and / or correcting the work shape after forming by bending
10/24/2007EP1847340A1 Open lateral profile
10/24/2007EP1847334A1 Method of reducing the thickness of rolled-stock
10/24/2007EP1847333A1 Method of reducing the thickness of rolled-stock
10/24/2007EP1846178A2 Push plate tool holder for press brakes
10/24/2007EP1846177A1 Press brake tool seating technology
10/24/2007EP1758695A4 Cold roll forming apparatus
10/24/2007EP1648631B1 Method for producing from a metal sheet a hollow profile which is longitudinally slotted and provided with several longitudinal segments having different cross sections
10/24/2007CN200963646Y Machinery lifting symmetry type three-roller lapping machine
10/24/2007CN101060981A Device with several roller
10/24/2007CN101060943A Press mounted cam
10/24/2007CN101059025A Spacing curved surface cullis and manufacturing method thereof
10/24/2007CN100344391C Automatic control for midde position of bending machine
10/23/2007US7284407 Reciprocating drive mechanism and press using the same
10/18/2007WO2007115949A1 Method of producing structured hollow profiles
10/18/2007WO2007115707A1 Method and bending device for bending a sheet-metal part
10/18/2007US20070240473 Method and apparatus for flat tube roll forming and flat tube formed thereby
10/18/2007DE10020011B4 Verfahren zur Herstellung von Rippenrohren sowie ein danach hergestelltes Rippenrohr A process for the production of ribbed pipes, and then produced a finned tube
10/17/2007EP1844870A1 Workpiece bending angle detecting device and workpiece bending machine
10/16/2007US7281403 Production device, in particular a folding press and a method for operating a production device
10/11/2007DE102006015769A1 Verfahren und Biegevorrichtung zum Biegen eines Blechteils Process and bending device for bending a sheet metal part
10/10/2007CN200957435Y Hook arc machine
10/10/2007CN101052483A Bend line with bend controlling grooves and method
10/10/2007CN101052482A Kinematic system for displacement of working units of machines for bending and forming metallic sheets
10/04/2007WO2007109819A1 Method and bending device for bending flat metal workpieces
10/04/2007DE102006014282A1 Clamping system for sheet metal components to be joined comprises two beds which hold components and can be fastened together by couplings mounted at their ends which push them together
10/04/2007DE102006014279A1 Clamping device comprising connecting components (B1,B2), component receivers, a clamping structure, a robot structure and sub-stations
10/03/2007CN200954526Y Spanner special for bending for mounting otter board of flatboard TV set
10/03/2007CN101048241A Sheet metal bending machine and production line incorporating a machine of this type
10/02/2007US7276073 Straightening tools having guide templates for angled tissue cutting instruments and methods of using the same
10/02/2007US7275403 Longitudinal curvature adjustment assembly for a rain gutter roll forming machine
09/2007
09/27/2007WO2007107623A1 Method and apparatus for plate bending
09/27/2007WO2007107622A1 Plate-bending apparatus
09/27/2007DE102006014093A1 Bending flat metallic workpieces, especially steel plates, involves applying compression to compensate stresses in deformation zone and incremental superimposition of traction stresses with compression acting along bend line
09/20/2007DE202007009648U1 Positioniereinrichtung für Stanz- und Schwenkbiegeautomaten Positioning device for punching and bending machines
09/19/2007EP1834712A1 Bending method, die and bending machine used for bending method
09/19/2007EP1758694A4 Improvements in welding hollow flange members
09/19/2007CN200948475Y Horizontal down-regulating hydraulic three-roller lapping machine
09/19/2007CN200948474Y Up three-roller bending machine
09/19/2007CN101036926A Huoluo hemisphere type pressure head base body of multi-pressure-head sheet forming device
09/19/2007CN100337767C 弯曲加工机 Bending machine
09/12/2007EP1755803B1 Method for producing expanded metal profiles and profile produced by the method
09/12/2007CN200945506Y Foot-actuated bending machine
09/12/2007CN200945505Y Central distance variable rolling machine
09/12/2007CN200945504Y Rolling cone device of horizontal down-adjusting rolling machine
09/12/2007CN101035636A Method and apparatus for bending
09/12/2007CN101033525A Hot-rolled sheet strip steel for straight welding petroleum sheath and producing method thereof
09/12/2007CN101033524A Hot-rolled sheet strip steel for thread gluing resistant straight welding petroleum oil line and producing method thereof
09/12/2007CN101033523A Hot-rolled steel sheet for automobile and producing method thereof
09/06/2007US20070204667 Feeder for punch
09/06/2007DE102006061785A1 Device for folding and cutting of plates, has displacement mechanism and control unit to control displacement mechanism, and control unit is designed for fixing of previously specified position and previously specified distance
09/05/2007EP1827728A2 Method of bending sheet materials and sheet therefor
09/05/2007EP1439920B1 A method of bending metal roofing sheets and a bending apparatus
09/05/2007CN200942461Y Sheet metal cutting folding device
09/05/2007CN200942411Y Plate bending or leveling machine
09/05/2007CN101031374A Bending apparatus and method for bending flat materials
09/04/2007US7263869 Method for forming sheet material with bend controlling grooves defining a continuous web across a bend line
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