Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
05/2005
05/19/2005WO2005044479A1 Detachable type metal plate bending angle accuracy adjusting device
05/19/2005US20050103087 Process for producing corrugated plate and device for producing corrugated plate
05/19/2005US20050103081 Sheet metal bending brake with improved hinge
05/18/2005CN2700016Y Equipment capable of processing upside round , downside square and allotype conical tube
05/18/2005CN1617776A Press action simulator for aerial cam set up
05/12/2005WO2004015214A3 Width conversion tool for corner panel
05/12/2005US20050097940 Production device, especially a bending press, and method for operating said production device
05/12/2005US20050097937 Sheet material with bend controlling grooves defining a continuous web across a bend line and method for forming the same
05/11/2005EP1529571A1 Press brake
05/11/2005CN2698491Y Circling machine for vehicle wheel rim
05/11/2005CN1614564A Folding knife interference analog system and method
05/06/2005WO2005039796A1 Device for shaping stepped projections on a sheet material
05/06/2005WO2005039795A1 Tool holder unit for bending brakes
05/04/2005EP1527830A1 Rolling mill and method for manufacturing helically shaped metal strips
04/2005
04/28/2005US20050086991 Front gauge for a sheet bending brake
04/27/2005EP1204845B1 Method and device for detecting a bending angle on a workpiece
04/27/2005CN1608763A Formation process of channel plate for train deck
04/26/2005US6883552 Small diameter, irregularly shaped metal tube which can be used for a pin, injection needle, connector, electron gun for TV liquid crystal, and the like
04/26/2005US6883278 Muntin bars
04/21/2005US20050082345 Device for production of a tube
04/21/2005US20050081596 Tool holder unit for bending brakes
04/20/2005EP1523387A1 Metal plate, method for making same and method for folding same
04/14/2005WO2005032739A1 Mobile roll former assembly
04/14/2005US20050076696 Plate material processing machine with bending function and tool for the same
04/14/2005US20050076688 Apparatus comprising a protection device
04/13/2005EP1522784A1 Device with safety system
04/13/2005CN1605406A Apparatus comprising a protection device
04/13/2005CN1196547C Industrial press safety system
04/12/2005US6877349 Slitting a sheet of metal for bending along a bend line; casting molds
04/07/2005US20050072202 Rain gutter roll forming machine with independent adjustments
04/06/2005EP1519800A1 Measuring device
04/06/2005CN1195594C Safety tool for supporting and holding at least on inter changeable utensil
04/05/2005US6874346 Multi-form die base with rotatable anvils having alternative forming surfaces
04/05/2005US6874343 Press brake and method of controlling bidirectional fluid pump of hydraulic cylinder of press brake
03/2005
03/30/2005EP1517761A1 Manufacturing device, particularly a folding press, having electronic tool detection
03/30/2005EP1064108B1 Bending machine
03/30/2005CN1602231A Method and device for changing the rolls of a tube welding stand
03/30/2005CN1601417A Integrated support system for supporting sheet metal machining
03/29/2005US6871521 Method for operating a bending press and bending press, especially a folding bending press
03/24/2005US20050064138 Method for precision bending of sheet of materials, slit sheets fabrication process
03/24/2005US20050062299 Sweep forming assembly and method
03/24/2005US20050061049 Process of forming bend-controlling structures in a sheet of material, the resulting sheet and die sets therefor
03/24/2005DE10339068A1 Wölbstrukturiertes Karosseriebauteil und Verfahren zu seiner Herstellung Wölbstrukturiertes body component and process for its preparation
03/23/2005EP1259340B1 Safety device for a manufacturing machine, for example a folding press
03/23/2005CN1193838C Tube bending device for refrigerant guide tube of refrigerator
03/23/2005CN1193837C Bending device for metal plates
03/22/2005US6868708 Blank guided forming
03/17/2005DE10342540A1 Verfahren zur Herstellung von metallhaltigen Bauteilen und Walzprofilierungsanlage zum Profilieren von metallhaltigen Bauteilen Process for the preparation of metal-containing components and roll-forming system for the profiling of metal-containing components
03/16/2005EP1514619A2 Pipe forming method and apparatus
03/16/2005EP1513629A1 A method in the control of a machine tool cell
03/16/2005EP1513628A1 Adjustable mould
03/15/2005US6866180 Forming workpiece so that predetermined area undergoes tensile strain in a bend area; noncracking
03/10/2005WO2005021180A1 Curved bodywork component and method for producing said component
03/10/2005US20050050937 Bending machine, especially bending or folding press, comprising an adjustable lower tool
03/09/2005CN2683271Y Four-roller bending machine capable of automatically controlling length of straight edge
03/03/2005WO2005018845A1 Method for producing components containing metal and roll forming installation for profiling components containing metal
03/03/2005WO2004101187A3 Process for press forming metal tubes
03/02/2005EP1510267A2 Method for displaying die layout in press brake and apparatus therefor
03/02/2005CN1586757A Positioning process for double bending of embedded switch cabinet panel
03/02/2005CN1586756A Three roller plate bending machine with adjustable bottom roller horizontal central distance
03/01/2005US6860133 Plate material processing machine with bending function and tool for the same
02/2005
02/24/2005DE4345158B4 Verfahren und Vorrichtung zum Streckziehen von Halbzeugen Method and apparatus for stretch forming of semi-finished
02/24/2005DE19800391B4 Verfahren und Vorrichtung zur Herstellung von Spannstiften Method and apparatus for the production of spring pins
02/23/2005EP1417050B1 Production device, in particular a folding press and a method for operating a production device
02/23/2005CN2680367Y Plate and pipe bending device
02/23/2005CN1583310A C-Z shaped steel shaper
02/17/2005US20050035179 Stir forming apparatus and method
02/17/2005DE3922653B4 Verfahren und Vorrichtung zum Herstellen dünnwandiger Metallrohre Method and device for producing thin-walled metal pipes
02/16/2005EP1506832A2 Stir forming apparatus and method
02/15/2005US6855284 Process for bending a workpiece
02/15/2005US6854314 Sheet metal tool stand
02/09/2005EP1503874A2 Production device, especially a bending press, and method for operating said production device
02/08/2005US6851176 Method for the manufacture of bundles of metal sheets of annular shape
02/03/2005WO2005009639A2 Center shifted roll forming
02/03/2005US20050022577 Bending tool with adjustable workpiece abutment segments
02/03/2005US20050022574 Rotary bending tool and method of manufacture
02/02/2005EP1502671A1 Rotary bending tool and method of manufacture
02/02/2005CN2675285Y Hydraulic type three-roller plate roll
02/02/2005CN2675284Y Bending forming device for continuous gutter bar profile
02/01/2005US6849820 Preliminary assembly system and assembly method for vehicle body component parts
02/01/2005US6848291 Press brake tool and tool holder
02/01/2005CA2271568C Steel siding machine
01/2005
01/27/2005US20050017120 Center shifted roll forming
01/27/2005US20050016236 Measuring device for measuring a sheet of material in a sheet bending brake
01/27/2005DE3943814B4 Bend setting method for workpiece shape - uses data which give series of bending points and bending length and angle for each point
01/26/2005EP1499460A1 Multiple laser safety system
01/26/2005CN2673530Y Veneer reeling machine
01/26/2005CN2673529Y Mechanical electron servo digital controlled bending machine
01/26/2005CN1569354A Manufacturing mould for large-scale angular steel plate structure and its use method
01/25/2005US6845648 Hinged chimney flashing fabrication tool
01/20/2005WO2005005074A1 Die, punch guide used for the die, stripper plate, and id tag
01/20/2005WO2005005071A1 A machine for bending of long products and a method to control such a machine
01/20/2005US20050011247 Articulated bending brake for sheet metal forming
01/20/2005CA2531805A1 A machine for bending of long products and a method to control such a machine
01/19/2005CN1185059C Self-centering oscillating fork, particularly for four-point angle measuring in a press brake
01/18/2005US6843760 Bending press system
01/18/2005US6843092 Architectural panel arching device
01/13/2005US20050006351 Method and device for changing the rolls of a tube welding stand
01/13/2005US20050005670 Method of designing fold lines in sheet material
01/13/2005US20050005662 Device for forming thin-walled material into a sleeve-shaped body
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