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)
12/2011
12/14/2011	CN202070615U 一种卷锥装置 One kind of cone device volume
12/14/2011	CN202070614U 电热片卷圆机 Heaters rolling machine
12/14/2011	CN1816402B 由平面的金属薄板制造空心型材的方法 Method of manufacturing a metal sheet plane hollow sections
12/14/2011	CN102281961A 具有符合激光焊接要求的三棱形拐角的薄板构件、所属的薄板下料及用于制造和优化该薄板下料的方法 Sheet member having comply with the requirements of the three prism laser welded corners, under the sheet belongs to optimize materials and methods of making and sheet material for this
12/14/2011	CN102274877A 一种灭火器瓶体自动卷圆机 One kind of fire extinguisher bottle automatic rolling machine
12/14/2011	CN102274876A v型折弯机 v-type bending machine
12/08/2011	US20110296892 Method and apparatus for forming flanges during hot-forming
12/08/2011	DE10327388C5 Schutzeinrichtung Protective device
12/07/2011	CN202062005U 一种折弯成型模具 One kind of bending mold
12/07/2011	CN202061996U 凸包成型模具 Convex hull mold
12/07/2011	CN202061986U 折弯模具快速调整装置 Bending mold rapid adjustment device
12/07/2011	CN202061950U 二杠式卷圆机 Two bar-type rolling machine
12/07/2011	CN202061949U 一种卷板机 One kind of Bending
12/07/2011	CN202061948U 三维单侧变截面辊弯成型机 Three sided variable cross-section roll forming machine
12/07/2011	CN202061947U 一种折边机 A hemming machine
12/07/2011	CN202061946U 一种净化器壳体封装装置 A housing package purification device
12/07/2011	CN102266885A 直缝焊管排辊成形变半径弯曲方法 Roll Forming Longitudinal variable radius bending method
12/07/2011	CN102266884A 一种厚壁直管合口工艺 One kind of thick-walled straight pipe hekou process
12/01/2011	WO2011148880A1 Method for forming metal member having excellent shape freezing properties
11/2011
11/30/2011	EP2390017A1 Roll-bending machine with three rollers
11/30/2011	CN202052816U 卷板机械工作辊 Coil mechanical work rolls
11/30/2011	CN202052815U 一种卷板机 One kind of Bending
11/30/2011	CN202052814U 快速手动滚圆机 Quick Manual Rolling Machine
11/30/2011	CN202052813U 一种双向拱弯机 A bi-arch bending machine
11/30/2011	CN202052812U 一种抱箍钢带成型机 One kind of hoop steel machine
11/30/2011	CN202052811U 方矩管冲压胎具 Rectangular Pipe stamping mold
11/30/2011	CN202052810U 滚板机辅助装置 Roll plate machine auxiliary device
11/30/2011	CN202052792U 辊式成型机 Roll forming machine
11/30/2011	CN102259125A 数控折弯机随动托料装置 CNC bending machine servo tray feeding device
11/30/2011	CN101837392B 全自动焊带裁切折弯机 Automatic ribbon cutting bending machine
11/30/2011	CN101712054B 折弯方法以及手动折弯机 Bending method and manual bending machine
11/24/2011	WO2011145234A1 Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof
11/24/2011	WO2011144427A1 Method for producing a hollow profiled section
11/23/2011	CN202045410U Novel back stop device
11/23/2011	CN202045300U Manufacturing device for pedals of steel-structured ladder
11/23/2011	CN202045252U TUICO extrusion preventing device
11/23/2011	CN202045222U Hyperbolic rolling and bending machine for hyperbolic processing technology of metal plate
11/23/2011	CN202045221U Small-sized movable type simple manual bender
11/23/2011	CN202045220U Pre-bending machine
11/23/2011	CN202045219U Mould for bending steel plate by plate roller
11/23/2011	CN202045218U Automatic molding processing device for corner post
11/23/2011	CN202045217U arc bending device for stereoscopic luminous character enclosing machine
11/23/2011	CN202045216U Pedal type metal plate bending machine
11/23/2011	CN102248082A Lower die used in machining method of formed product
11/23/2011	CN102248039A Cone-shaped cylinder barrel rolling device
11/23/2011	CN102248038A Four-pillar type steel tube pre-bending machine
11/23/2011	CN102248037A Bender locating device
11/23/2011	CN102248036A Inner bracket device of lapping machine
11/23/2011	CN102248035A Folding-type outer bracket device
11/22/2011	US8061172 Sheet metal bending machine and production line incorporating a machine of this type
11/17/2011	WO2011141774A1 Fixing device for a tool to the cursor of a bending-press
11/17/2011	WO2011141339A1 Bending method and bending device
11/17/2011	WO2011141336A1 Method for producing hollow profiles having a longitudinal flange
11/17/2011	US20110277531 Edge-bending press
11/17/2011	DE102010016960A1 Verfahren zur Herstellung von Hohlprofilen mit einem Längsflansch A process for the production of hollow profiles with a longitudinal flange
11/17/2011	DE102010016914A1 Biegeverfahren und Biegevorrichtung Bending method and flexure
11/16/2011	CN202037215U Cone reeling device of veneer reeling machine
11/16/2011	CN202037214U Continuous circular sheet casing forming machine
11/16/2011	CN202037213U Plate bender
11/16/2011	CN202037212U Rapid molding device for front-middle beam of loading machine
11/16/2011	CN202037211U Auxiliary positioning device of bender for coach
11/16/2011	CN102240715A Forming process for special C-shaped channel steel
11/16/2011	CN102240705A Large three-roller plate rolling machine with underlying pull-down hydraulic cylinder
11/16/2011	CN101833301B Backer detection system and control method of bending machine
11/15/2011	US8056382 Apparatus and method for curving metal panels
11/10/2011	WO2011138157A1 Tool mount, machine tool having such a tool mount and method for fixing a machining tool to a tool mount of a machine tool
11/09/2011	EP2384835A1 Method for manufacturing a rotor for a generator
11/09/2011	EP2384832A1 Roller bending apparatus and method of bending a steel plate using the same
11/09/2011	CN202028691U U-shaped workpiece forming die
11/09/2011	CN202028690U U rib processing die
11/09/2011	CN202028656U Three-roller plate bending machine
11/09/2011	CN202028655U Movable side stopping mechanism assembly for plate bending machine
11/09/2011	CN202028654U Reducer continuous roller-type cold bending forming machine
11/09/2011	CN202028653U Opened automatic numerical control bending machine
11/09/2011	CN202028652U Flanging machine for sheet
11/09/2011	CN102235428A Structure of bearing pedestal of three-roller bending machine
11/09/2011	CN102233371A Plate bending device
11/03/2011	US20110265546 Rotary Bending System
11/02/2011	CN202021245U Novel rounding equipment
11/02/2011	CN202021244U Split type auxiliary roll assembly of rolling machine
11/02/2011	CN202021243U U-shaped groove roller bending forming machine
11/02/2011	CN202021242U Compressing device for metal sheet bending machine
11/02/2011	CN202021241U Arc crimping machine for compartment door skin of passenger car
11/02/2011	CN202021240U Metal plate bending machine
11/02/2011	CN102228933A Current-aided flexible pressing roll stretch-forming method for titanium alloy and pressing roll stretch-forming device
11/02/2011	CN102228920A Working roll of veneer reeling machine
11/02/2011	CN102228919A Tool special for bending steel plate
11/02/2011	CN102228918A Follow-up tracking material-supporting device
11/02/2011	CN102228917A Pressing type veneer reeling device
10/2011
10/27/2011	DE102010016599A1 Planer workpiece i.e. micro component, bending method for manufacturing set of stators of micro motor, involves pressing planer workpiece slightly at mandrel by direction belt that is moved with mandrel over predetermined wrap angle
10/26/2011	EP1552214B1 A safety system
10/26/2011	CN202015782U Scuffing preventing bending die for stainless steel thick plate
10/26/2011	CN202015768U Semi-automatic looping machine
10/26/2011	CN202015767U Deflection compensating mechanism of bending machine
10/26/2011	CN202015766U Sliding device for wear-resistance plate of bending machine
10/20/2011	WO2011128249A1 Carrier element for a motor vehicle
10/20/2011	US20110255937 Bracket and method of making it
10/20/2011	US20110252859 Bending press having support bearing device for drive means
10/19/2011	EP2376242A1 Curved building panel, building structure, panel curving system and methods for making curved building panels
10/19/2011	CN202010712U Metal roof board forming apparatus

1 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ... 94