B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves

Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
10/2011
10/19/2011	CN202010711U Bent-forming processing apparatus
10/19/2011	CN202010710U End bending mechanism of a refrigerator door shell
10/19/2011	CN202010709U Initial large gap bending mechanism
10/19/2011	CN202010708U Dadoing device for metal plate bending machine
10/19/2011	CN102223962A Roller bending apparatus and method of bending a steel plate using the same
10/19/2011	CN102218642A Manufacturing method of thick wall steel pipe with small radius-thickness ratio used for building structure
10/19/2011	CN102218477A Cold roll forming die for curved beam of passenger vehicle body
10/19/2011	CN102218460A Multifunctional plate rolling machine
10/19/2011	CN102218459A Numerical-control double-roll veneer reeling machine with adjustable rounding diameter
10/19/2011	CN102218458A Plate bender workbench
10/19/2011	CN102218457A Shell packaging device for purifier
10/18/2011	US8037726 Method for bending tubular articles with a relative ratio of the bending radius and the outer diameter of the finished pipe which is less than 3
10/13/2011	US20110247389 Device for Clamping a Tool
10/13/2011	US20110247388 Dies for shear drawing
10/13/2011	US20110247384 Cold roll forming apparatus
10/12/2011	CN202006239U Plate bend die
10/12/2011	CN202006231U Double-twisted-shaft bending equipment with one edge fixed
10/12/2011	CN202006230U Large-sized bus bending equipment
10/12/2011	CN101817037B Thin-wall gold tube rolling forming machine
10/12/2011	CN101218044B Roll-forming machine and method for roll-forming a hat-shaped profile
10/06/2011	US20110239728 Driving Means and Device for Working Sheet-Like Material
10/05/2011	CN201997622U Plate positioner on bender
10/05/2011	CN201997609U Radiator baffle bending die
10/05/2011	CN201997580U Upper roller universal plate bending machine for downwards moving turning end pressurization oil cylinder
10/05/2011	CN201997579U Double steel belt synchronous forming machine
10/05/2011	CN201997578U Adjustable z-shape bending device
10/05/2011	CN102205380A Bending machine for automatic forming production line of refrigerator encircling board
10/05/2011	CN102205372A Disposable arc-rolling and forming die
10/04/2011	US8028560 Handheld brake
10/04/2011	US8028557 Methods and apparatus for forming stiffening structures in a strip material
09/2011
09/28/2011	CN201988613U 一种全向变弧度异型材滚压弯型一体机 To change the curvature of a fully profiled roll bending machine type
09/28/2011	CN201988604U 卷圆机辅助辊水平补偿装置 Auxiliary roll rolling machine level compensation device
09/28/2011	CN201988603U 卷圆机直径调节装置 Rolling machine diameter adjusting means
09/28/2011	CN201988602U 一种数控折弯机上的折弯刀 Fold machete on a CNC bending machine
09/28/2011	CN201988601U 一种数控折弯机上的自动折弯装置 CNC automatic bending device for bending machine
09/28/2011	CN201988600U 一种折弯机 One kind of bender
09/28/2011	CN102202811A Device for clamping a tool
09/28/2011	CN102198475A Stamping fixture for bending sheet
09/28/2011	CN101844169B Water stop sheet folding former
09/28/2011	CN101823199B Manufacturing process of large-size thin-walled cylinder body
09/28/2011	CN101745571B One-time molding process of multiple fan-shaped plates
09/22/2011	WO2011113954A1 Method and device for producing profiled rings
09/22/2011	WO2011083925A3 Method and apparatus for manufacturing a corrugated steel pipe
09/22/2011	US20110226032 Pipe-bending press
09/22/2011	DE102009050569B4 Kontaktstift zur Verwendung an Beleuchtungsmitteln sowie Verfahren zu dessen Herstellung Contact pin for use in illumination means and methods for its preparation
09/21/2011	EP2366471A2 Method for manufacturing slot pipes from sheet panels in a tube bending press and tube bending press
09/21/2011	CN201984316U 用于三辊卷板机的电控装置 Electric control device for a three-roll bending machine
09/21/2011	CN201979006U 一种折弯模具 One kind of bending mold
09/21/2011	CN201979002U 折叠式散热片用成型模具 Folding fins with mold
09/21/2011	CN201978979U 卷板机的卷锥装置 Bending roll cone device
09/21/2011	CN201978978U 开口式自动升降四辊卷圆机 Automatic lift opening four roller rolling machine
09/21/2011	CN201978977U 铰链折弯工装 Hinge bending tooling
09/21/2011	CN201978976U 一种金属网片卷绕机 Metal mesh winding machine
09/21/2011	CN201978975U 金属板折弯机 Metal plate bending machine
09/21/2011	CN102189183A Bending die
09/21/2011	CN102189156A Bidirectional bending machine
09/21/2011	CN102189155A Metal plate double-curved surface processing technology and equipment
09/21/2011	CN102189154A Hydraulic pruning device and method of J-shaped steel used in conductor rail of metro vehicle
09/21/2011	CN102189153A Compacting device for metal sheet bending machine
09/21/2011	CN102189152A Metal plate bending machine
09/21/2011	CN102189150A Apparatus for producing a flat tube and method of producing a flat tube
09/21/2011	CN101549367B Method and apparatus for bending a metal member
09/15/2011	WO2011110195A1 Forming line and method for producing a multi-layer pipe
09/15/2011	US20110219844 Press brake with automatically variable length bending tool
09/14/2011	EP2364789A1 Press brake with automatically variable length bending tool
09/14/2011	EP2364228A1 Device for clamping a tool
09/14/2011	CN201969751U 一种液压式三辊卷板机 A hydraulic three-roll bending machine
09/14/2011	CN201969750U 一种卷板机折弯用模具 One kind Bending bending mold
09/14/2011	CN102186610A Roller profiling machine
09/14/2011	CN102179432A U-shaped groove roll bending forming machine
09/14/2011	CN102179431A Pre-bending machine
09/14/2011	CN102179430A Metal roof board forming device
09/14/2011	CN102179429A Method for processing crease lines of flexible flat cable (FFC) material and crimping machine implementing method
09/14/2011	CN102179428A Dadoing device for metal plate bending machine
09/09/2011	WO2011068354A3 Apparatus for manufacturing a spiral duct
09/08/2011	DE102010009811A1 Bending apparatus for bending blade of blade cascade ring utilized for aircraft turbine, has holder for releasable fixation of blade ring, where ring and die are pivotable relative to each other around axis of pivoting unit of holder
09/07/2011	EP2362815A2 Bending press having support bearing device for drive means
09/07/2011	EP2285507B1 Method for producing a large steel tube
09/07/2011	CN201960016U 四辊四轴驱动金属管波纹板型弧机 Four rolls of corrugated metal pipe axis drive plate arc machine
09/07/2011	CN201960015U 风力发电塔筒专用卷板机 Bending dedicated wind tower
09/07/2011	CN201960014U 客车辊压侧蒙皮机 Passenger side skinning machine roll
09/07/2011	CN201960013U 窗框金属骨架密封条滚弯机 Metal skeleton frame sealing strip roll bending machine
09/07/2011	CN201960012U 钢板预弯机柱塞缸固定装置 Pre-cylinder piston plate bending machine fixtures
09/07/2011	CN201960011U 在金属折弯加工中消除冲压痕迹的装置 Pressing means to eliminate the traces of the bending of the metal
09/07/2011	CN102176987A Method of profiling a tube of given length
09/07/2011	CN102172681A Anti-deflection device for lower die of bender and processing method thereof
09/07/2011	CN101773955B Full-automatic plate bending machine and control method thereof
09/06/2011	US8011218 Material forming machine incorporating quick changeover assembly
09/01/2011	WO2011072024A3 Cam slider and punch apparatus
09/01/2011	US20110210297 Integral load support for a jack formed of a sheet material bent to less than 180 degrees
09/01/2011	US20110210111 Manufacturing device for machine plate for printer
09/01/2011	DE102011000265A1 Vorrichtung zur Herstellung einer flachen Röhre und Verfahren zur Herstellung einer flachen Röhre An apparatus for producing a flat tube and method of manufacturing a flat tube
08/2011
08/31/2011	EP2125261B1 Apparatus and method for bending of sheets for the manufacture of tubes
08/31/2011	CN201950099U 换热器扁管加工机 Heat Exchanger flat tube processing machines
08/31/2011	CN102170980A Apparatus for producing a door and window frame and a bent metal product
08/31/2011	CN102170979A System for cold roll profiling profiles having variable cross-sections
08/31/2011	CN102166704A Manufacturing method of grinder flange by bending, forming and splice welding n steel plate bar stock
08/31/2011	CN102166591A Metal plate bending machine
08/30/2011	US8006531 Kinematic system for the displacement of working units of machines for bending and forming metallic sheets
08/25/2011	WO2011100992A1 Device and method for producing a composite material and such a composite material

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