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)
10/2009
10/14/2009	CN100548522C Bending device
10/07/2009	CN201320570Y Cold roll forming equipment for U-shaped channel steels
10/07/2009	CN101549373A Horizontally down-adjusted three-roll plate bending machine
10/07/2009	CN101549372A Super wide plate bending machine with horizontally movable lower roll
10/07/2009	CN101549371A Upper wide plate bending machine with horizontally adjustable lower roll center distance
10/07/2009	CN101549370A Plate bending machine capable of automatically adjusting multiunit upper supporting roller device
10/07/2009	CN101549369A Plate bending machine capable of bending cylindrical part
10/07/2009	CN101549368A Bottom working roll transmission device of super wide lapping machine
10/07/2009	CN101549367A Method and apparatus for bending a metal member
10/06/2009	US7596983 Press brake clamp incorporating tool-seating mechanism
10/01/2009	WO2009118918A1 Press working equipment and press working method
10/01/2009	WO2009117756A1 Bending tool having measuring element
10/01/2009	US20090242530 Method of manufacturing column and bed of machine tool and structure thereof
10/01/2009	US20090241630 Method and apparatus for bending a metal member
10/01/2009	US20090241627 Blade Material Bending Method and Blade Material Bending Device
09/2009
09/30/2009	EP2105218A1 Embossed pipe
09/30/2009	CN201316753Y Upper-roller balancing unit of arc down-regulated three-roller bending machine
09/30/2009	CN201316752Y Rolling machine
09/30/2009	CN201316751Y Video printing plate bending machine
09/30/2009	CN101543854A Steel belt arc pressing machine
09/29/2009	US7594418 Arc type blade transfer apparatus
09/29/2009	US7594331 Method of production of joining profiles for structural members
09/24/2009	WO2009117748A2 A pressing tool
09/24/2009	US20090235505 Hem flange control roller
09/24/2009	DE102008015163A1 Bending device for bending part of e.g. flat material in bending machine, has bend-part resting against die and deforming around die, and bending head moving backward into initial position after completion of bending process
09/23/2009	EP2103772A2 Method and machine for manufacturing closures for door leaves, windows and wall coverings and resulting closure
09/23/2009	EP1954420B1 Method and device for the coreless forming of hollow profiles
09/23/2009	CN201313122Y Upper roll support device
09/23/2009	CN201313121Y Cone coiling device
09/23/2009	CN201313120Y Forming mould of junction box
09/23/2009	CN101538913A Hidden-buckle overhand ribbed cold-bending thin-wall steel pipe concrete and preparation method thereof
09/23/2009	CN101537571A Manufacture technology for guide rail of closed section type hollow elevator
09/23/2009	CN101537568A Luminous character enclosing machine
09/23/2009	CN101537452A Method for processing C-shaped bend arc purline
09/23/2009	CN101537446A Process for solving top-bending of large H-shaped steel
09/22/2009	US7591162 Protective guide assembly for a roll forming machine
09/22/2009	US7591161 Methods and apparatus for controlling flare in roll-forming processes
09/17/2009	WO2009114113A2 Holow structural members, a rail system and methods of manufacturing
09/17/2009	WO2009059582A3 Bending machine for metal sheets
09/17/2009	US20090229337 Apparatus and method for forming wire loops for a dynamoelectric machine
09/17/2009	DE102004017902B4 Rollform-Profiliermaschine Roll forming roll forming machine
09/17/2009	CA2725422A1 Thermoformed component with integral attachment structure and method
09/16/2009	EP1402967B1 Work positioning device
09/16/2009	CN101534973A A kinematic system for clamping semifinished products by means of pressing for sheet metal shaping panelling machines
09/16/2009	CN101530871A Production method of shoe heel steel pipe
09/16/2009	CN100540170C Roll for molding square tube and method and device for rollingly molding square tube
09/16/2009	CN100540169C Method and device for manufacturing UOE steel tube
09/11/2009	WO2009110372A1 Molding apparatus and shoes thereof and a molding method
09/11/2009	WO2002092253A3 Press brake assemblies, tool holder apparatuses, and components thereof
09/11/2009	WO2001000918A3 Hemming apparatus and method
09/10/2009	DE102006047108B4 Biegemaschine zum Biegen von Flachmaterial Bending machine for bending material in sheet form
09/09/2009	EP2097552A1 Method of manufacture using heat forming
09/09/2009	EP2097187A1 Moulded part and method for producing such a moulded part
09/09/2009	CN201304430Y Wedge type multi-point compensation mechanism
09/09/2009	CN101528374A Method and apparatus for imparting compound folds on sheet materials
09/09/2009	CN101524726A Ultra-large type head plate integral pressing and molding technology and safe shell sealing head
09/08/2009	US7584640 Press brake tool
09/08/2009	CA2240249C Roll forming apparatus and method with single adjuster
09/03/2009	US20090217731 Forming Tool with Immobilizing Means for the Actuating Member of the Safety Member
09/02/2009	CN201300160Y Single-roll bending machine
09/02/2009	CN201300159Y Double-carrier-roller rolling machine
09/02/2009	CN201300158Y Special rolling machine for wind power generation tower
09/02/2009	CN101518797A Micro-type and thin-wall steel slot wire continuous forming machine
08/2009
08/27/2009	WO2009068416A3 Controller and fully automatic bending system for bending machines
08/27/2009	US20090211327 Die, tool set, and press-forming method
08/27/2009	DE202009007527U1 Flexibler Niederhalter für Walzprofilieranlagen Flexible holders for Walzprofilieranlagen
08/26/2009	EP2092992A2 Folding device for a bending press, in particular a press brake
08/26/2009	EP2092991A2 Die for a bending press, in particular a press brake
08/26/2009	CN101513652A Steel tube and printing plate roller and production process thereof
08/20/2009	WO2009103071A2 System for low-force roll folding and methods thereof
08/20/2009	US20090205395 Method and apparatus for corrugating sheet metal
08/20/2009	US20090205391 Forming Die Having Filler Cam Assembly
08/20/2009	US20090205387 System for low-force roll folding and methods thereof
08/20/2009	CA2715659A1 System for low-force roll folding and methods thereof
08/19/2009	CN201291275Y Box shell bending device
08/19/2009	CN201291263Y Bender rotary quick clamper
08/19/2009	CN201291256Y Sketch plate bending device
08/19/2009	CN101507992A Fluid drive four-roll plate bending machine
08/19/2009	CN100529142C Hot-rolled steel sheet for automobile and producing method thereof
08/19/2009	CN100528395C Workpiece bending angle detecting device and workpiece bending machine
08/18/2009	US7574891 Press
08/13/2009	US20090199610 Actuator, parallel link mechanism using the same, and long material bending device
08/13/2009	DE19749902B4 Verfahren zur Herstellung eines Profilstabes aus Metall Process for the preparation of a profile bar made of metal
08/12/2009	EP2086698A1 A bending tool
08/12/2009	CN201287168Y Bending die without compression mark
08/12/2009	CN101502856A Numerical control four-roller rolling machine
08/12/2009	CN100526482C High precision automatic adjusting device and method for coil position
08/06/2009	WO2009061742A3 Methods and apparatus for cutting profiles
08/05/2009	EP2085163A1 Cold rolling process for the production of a profile
08/05/2009	EP2085162A1 Processing machine and process for bending workpieces
08/05/2009	CN201283380Y Device for bending U-shaped continuous section bar
08/05/2009	CN201283379Y Regulating mechanism of bending and forming apparatus
08/05/2009	CN201283378Y Novel oil pressure stamping machine
08/05/2009	CN100522408C Processing method of coated steel plate
08/04/2009	CA2429811C A roll forming machine
08/01/2009	CA2652262A1 Cold rolling method for manufacturing a profile
07/2009
07/30/2009	DE202008003756U1 Falzeinrichtung Folding device
07/29/2009	EP2081705A2 Adjustable flange forming apparatus
07/29/2009	EP2081704A2 Press brake die holder
07/29/2009	CN201279538Y Rotary bending stretcher rotation mechanism

1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ... 94