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)
09/2013
09/04/2013	CN203170772U Bending machine middle pressing mechanism
09/04/2013	CN103272895A Cold-forming machining method for carbon steel and stainless steel composite welded steel tube
09/04/2013	CN102581165B Continuous cold-roll forming method for stainless steel side wall bottom edge beam
09/03/2013	US8522589 Machine of variable linear structure for the formation of tubes
09/03/2013	US8522588 Clamp for disk rotation driving device and method of manufacturing clamp
09/03/2013	CA2497481C Methods and apparatus for controlling flare in roll-forming processes
08/2013
08/29/2013	WO2013124198A1 A method for producing a vehicle component which is in bent hollow pipe form
08/29/2013	US20130219982 Rolling tool device
08/29/2013	DE102012101474A1 Method for manufacturing door impact absorber of motor car, involves conveying strip into embossing tool, and isolating manufactured component, where strip passes in embossing tool up to length of component during rotation of rollers
08/28/2013	EP2631047A2 Methods and systems to drive rotary presses
08/28/2013	EP2631020A1 Upper tool holder for press brake
08/28/2013	CN203155831U Hinge edge coiling die
08/28/2013	CN203155775U Bending mechanism for manufacturing U-shaped titanium alloy plate with oblique angle
08/28/2013	CN203155774U One-step bend forming mechanism for magnesium alloy hinge support plate
08/28/2013	CN203155773U Bending preforming device
08/28/2013	CN203155772U Integral bending machine of reinforced ring
08/28/2013	CN103264099A Roller for stainless steel barrel body rolling device
08/28/2013	CN103264098A Manual setting wedge compensation type workbench of numerical control plate bending machine
08/28/2013	CN103264074A Four-roller plate bending machine and method for rolling circular tubes
08/28/2013	CN103264073A Curve simulation S-shaped wedge block compensation device
08/28/2013	CN102513417B Rolling method of right cone frustum shell bodies
08/28/2013	CN102319774B Method and device for forming U-shaped elastic knot by cold pressing
08/21/2013	EP2628554A1 Method for altering the width of a strip of sheet metal
08/21/2013	CN203140619U Plate supporting mechanism of bending machine
08/21/2013	CN203140504U Filter bending stable structure
08/21/2013	CN203140503U Bending machine
08/21/2013	CN203140502U Waterproof plate bending device
08/21/2013	CN203140501U Metal plate bending machine
08/21/2013	CN203140500U Metal plate bending machine with protection device
08/21/2013	CN203140499U Metal plate bending machine
08/21/2013	CN203140498U Bend improved structure of bending machine
08/21/2013	CN203140497U High-precision bending machine
08/21/2013	CN203140496U Micro-jointing mode in sheet metal arc bending process
08/21/2013	CN103261984A Control device for a machine tool and method for controlling the machine tool
08/21/2013	CN103260782A Bending die with radial cam unit
08/21/2013	CN103260781A Method of designing material for cylinder formation process, and cylinder formation processed product
08/21/2013	CN103254810A Surface protection sheet
08/21/2013	CN103252420A Novel mechanical servo driven material support for numerical control plate bending machine
08/20/2013	US8511132 Bending press having support bearing device for drive means
08/20/2013	US8510950 Method for making a bicycle hub
08/15/2013	US20130206756 Compositions for Containers and Other Articles and Methods of Using Same
08/15/2013	US20130205865 Bending die with radial cam unit
08/14/2013	CN203130703U Link gear guiding flange plate for hydraulic bending machine
08/14/2013	CN203124567U Cusp blade mould of bending machine
08/14/2013	CN203124564U Multi-dimensional bending machine lower die
08/14/2013	CN203124562U Long-span bent blade mould of bending machine
08/14/2013	CN203124541U Workbench for compensating height of bending machine
08/14/2013	CN203124497U Motor-driven bending machine
08/14/2013	CN203124496U Bending machine for steel plate
08/14/2013	CN203124495U Hydro-cylinder oil safely regulating device used for hydraulic plate bending machine
08/14/2013	CN203124494U Cylinder upper cavity oil inlet/outlet device of hydraulic bending machine
08/14/2013	CN203124493U Safety mechanism for oil passage of hydraulic bending machine
08/14/2013	CN203124492U Plate bending machine
08/14/2013	CN103240335A Step mould
08/14/2013	CN103240331A Forming and manufacturing method of metal door sheet
08/14/2013	CN103240305A Automatic C type/Z type conversion device
08/14/2013	CN103240304A Rapid plate rolling device
08/14/2013	CN103240303A Deflection compensation device of upper beam of four-roll plate bending machine
08/14/2013	CN103240302A Supporting device for upper beam of four-roll plate bending machine
08/14/2013	CN102223962B Roller bending apparatus and method of bending steel plate using the same
08/14/2013	CN102205380B Bending machine for automatic forming production line of refrigerator encircling board
08/13/2013	CA2604626C A production line and a method of shaping profiles
08/13/2013	CA2569175C Wiper blade, jig for heat treating wiper frame of wiper blade and method for machining wiper frame using the same
08/08/2013	US20130199657 Steel plate for producing pipe highly resistant to fuel vapor corrosion, pipe using same and method for producing pipe
08/07/2013	CN203113659U Steel plate wallboard and equipment for manufacturing steel plate wallboard
08/07/2013	CN203109092U Supporting plate mechanism
08/07/2013	CN203109091U Supporting plate support of bending machine
08/07/2013	CN203109090U Bending machine supporting plate support
08/07/2013	CN203109089U Panel veneer bracket of bending machine
08/07/2013	CN203109088U Supporting plate mechanism for bending machine
08/07/2013	CN203109087U Plate movement following device of bending machine
08/07/2013	CN203109086U Panel veneer follow-up device of bending machine
08/07/2013	CN203109085U Bending machine supporting plate mechanism
08/07/2013	CN203109084U Bending machine plate bracket
08/07/2013	CN203109083U Plate supporting structure
08/07/2013	CN203109082U Supporting plate mechanism for bending machine
08/07/2013	CN203108996U Polygon apron board forming machine
08/07/2013	CN203108995U Cold bending molding equipment for singlechip board
08/07/2013	CN203108994U Edge rolling molding machine
08/07/2013	CN203108993U Internal ejected slider bending device
08/07/2013	CN203108992U Softness material bending mechanism
08/07/2013	CN203108991U Softness material bending device
08/07/2013	CN203108990U Automatic U forming equipment for household appliance housings
08/07/2013	CN203108989U Pull arm back side plate bending tooling for swinging arm vehicle
08/07/2013	CN103230969A Heat-assisted variable-section roll forming machine system and method thereof
08/07/2013	CN103230968A Pneumatic buckling device of flexible printed circuit (FPC)
08/07/2013	CN102105236B Cylinder forming device
08/06/2013	US8499600 Clutch assembly with formed retention ring
08/01/2013	WO2013111308A1 Method for manufacturing curved hollow pipe
07/2013
07/31/2013	EP2618951A2 Elevated temperature forming methods for metallic materials
07/31/2013	DE202013005962U1 Werkzeugmaschine Machine tool
07/31/2013	CN203091488U Reversely installed lower roll independent driving device
07/31/2013	CN203091487U Bending device for machining square cans
07/31/2013	CN203091486U Four-oil-cylinder bending machine
07/31/2013	CN203091485U Hook plate bending device
07/31/2013	CN203091484U Full-servo belt type numerical control bending machine main drive system
07/31/2013	CN103223428A Numerical-control two-roller veneer reeling machine
07/25/2013	WO2013107792A1 A cylinder bending machine with a flatness decreasing mechanism and corresponding bending flatness decreasing method
07/25/2013	WO2013059851A3 Device for bending metal sheets
07/24/2013	EP2616198A1 Apparatus and method for producing at least partially closed hollow profiles with a short cycle time

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