Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
05/2000
05/30/2000US6067834 Method for stamping bowed piece-parts
05/24/2000CN2379231Y Hydraulic type three roller machine for bending metal sheet
05/23/2000US6065324 Rotary bender die
05/23/2000US6065323 Method and apparatus for the production of bent sheet metal pieces
05/18/2000DE19845386A1 Punch for machine tool has each pressure part intended for side support against clamping device
05/17/2000EP1000734A2 Press apparatus
05/17/2000EP1000676A2 Bending rolls, and pipe formed thereby
05/17/2000CN1253050A Tube shaping equipment using tube bending roll, its shaping method and tube
05/17/2000CN1253049A Press equipment
05/11/2000CA2276700A1 Press apparatus
05/10/2000EP0809551B1 Sheet-metal bending machine with locking device
05/09/2000US6058756 Bending machine
04/2000
04/27/2000WO2000023209A1 Roll forming line with punching tool
04/27/2000WO2000023208A1 Apparatus for bending workpieces and measuring device for such an apparatus
04/27/2000WO2000023207A2 A sheet fabrication center and methods therefor of optimally fabricating worksheets
04/27/2000CA2315816A1 Roll forming line with punching tool
04/26/2000EP0995509A1 Bending machine
04/26/2000CN1051731C Apparatus shaping metal sheets into can bodies and feeding can bodies to welding station
04/25/2000CA2067118C Device for bending sheet metal
04/20/2000DE19847905A1 Biegeeinrichtung Bender
04/20/2000DE19835389A1 Cylindrical sheet jacket producing process, involving passing flat sheet into rolling device and pulling it through with motor for deformation round inner cylinder
04/19/2000EP0993883A2 Convertible roll forming apparatus
04/19/2000EP0993882A1 Method for the adaptive folding of plates and device applying such a method
04/19/2000EP0993346A1 Press brake tool holder
04/19/2000EP0993345A1 Laser-assisted bending method
04/18/2000CA2155490C Bending instrument
04/14/2000CA2253087A1 Convertible roll forming apparatus
04/12/2000EP0925126B1 Machining centre for processing flat workpieces, provided with a segment distributed hold-down
04/11/2000US6047585 Apparatus for shaping workpieces
04/06/2000WO2000018525A2 Device for bending sheet metal
04/05/2000EP0990469A2 Cold rolling machine for profiling
04/05/2000EP0865331B1 Bending centre
04/04/2000US6044675 Roll bending machine with selective digital control device
03/2000
03/30/2000DE19844244A1 Vorrichtung zum Biegen von Blechen An apparatus for bending metal sheets
03/30/2000DE19843932A1 Process for rolling open profiles made of metal strips comprises initially rolling the deformed profile in the longitudinal direction after the first process step
03/29/2000EP0988905A2 Tube forming machine using three point bending
03/28/2000US6042359 Corrugating machine
03/22/2000EP0987066A2 Cold rolling machine for profiling
03/22/2000EP0706428B1 Method and apparatus for bending steel rule
03/21/2000US6038909 Portable sheet metal brake
03/21/2000US6038908 Bending die having rotary die
03/21/2000US6038899 Method of bending operations and bending system using the same
03/16/2000WO2000014355A1 Building frame and method of construction
03/16/2000WO2000013813A1 Press brake with active lower table
03/16/2000DE19841624A1 Sheet metal rounding machine to form conical metal bodies has bearing head on upper roller end with cylindrical or prismatic contour
03/16/2000DE19840260A1 Beading machine for forming and beading of sheet metal parts has pair of beading rollers and stop for parts in one or both rollers
03/15/2000CN2368626Y Roll forming apparatus
03/08/2000EP0983808A1 Cam slide driving apparatus
03/08/2000EP0983807A2 A press brake
03/08/2000EP0738199B1 Method for planning/controlling robot motion
03/07/2000US6032509 Press brake
03/02/2000WO2000011433A1 Method for evaluating error in shape of free curved surface
03/02/2000CA2307376A1 Method for evaluating shape error of free curved surface
02/2000
02/29/2000US6029493 Device for hemming of sheet metals, particularly of coachwork sheet metals in automobile manufacture
02/24/2000WO2000009275A1 Method and apparatus for measuring angle of bend, method of bending, and apparatus for controlling angle of bend
02/22/2000US6026573 Method for manufacturing a side rail for a vehicle frame assembly
02/17/2000WO2000007748A2 Apparatus for forming tubular products and mandrel therefor
02/16/2000EP0921874B1 Improved bending pressing machine, particularly in the processes of metal working
02/16/2000EP0738190B1 Apparatus for backgaging and sensor-based control of bending operations
02/15/2000US6024681 Tool changing mechanism for a metal forming press
02/15/2000CA2067732C Process for the two-directional bending of sheet metal
02/09/2000EP0977641A1 Machine
02/09/2000EP0785832B1 Workpiece stop device
02/08/2000US6021659 Rotary bending tool holder
02/08/2000CA2018903C Leaf spring cambering method and apparatus
02/02/2000EP0976470A2 Machine for punching and bending metal sheets
02/02/2000EP0976468A2 Roller mount with three-axis freedom
02/02/2000EP0976466A2 Method and device for the manufacture of a tube from strip material
02/01/2000US6018979 Tool working height adjustment for press brake
01/2000
01/25/2000US6016630 Door frame and method for forming the same
01/21/2000CA2277321A1 Machine for punching and bending metal sheets
01/18/2000US6014880 Steel siding machine
01/18/2000CA2179253C Method and apparatus for forming a t-shaped slot in a sheet material
01/11/2000US6012315 Method of manufacturing pipe
01/06/2000WO2000000872A1 Sheet metal working data control system and medium therefor
01/06/2000WO2000000308A1 A device for measuring angles
01/05/2000DE19930745A1 Method of measuring bending angles for bending sheet workpiece through desired angle, enabling accurate acquisition of images formed on object by linear projection from different angles
01/05/2000DE19834400C1 Method of making thin wall tubes
12/1999
12/30/1999DE19827798A1 Production of longitudinally welded pipes out of plane sheet metal blanks
12/29/1999WO1999067037A1 Method and device for producing straight bead welded pipes from flat sheet metal blanks
12/29/1999EP0967028A2 Hydraulic press
12/23/1999WO1999066095A1 Controlled strain rate forming of thick titanium plate
12/23/1999WO1999065624A1 Metal forming machine
12/22/1999EP0965397A1 Node roller combination
12/22/1999CN2354685Y Apparatus for balancing upper roller of press brake
12/21/1999US6003360 Press brake tool holder
12/21/1999US6003357 Sheet metal brake accessory
12/21/1999US6003353 Bending method and bending apparatus
12/16/1999WO1999064939A1 Integrated support system for supporting sheet metal machining
12/14/1999US6000273 Press brake punch holder
12/14/1999US6000268 Multifunction machine for modifying material in a bending brake
12/14/1999US6000115 Shell lock seaming machine
12/14/1999CA2053405C Motion control system
12/09/1999WO1999063491A1 Automatic programming apparatus and storage medium for storing graphic data generating program
12/09/1999DE19840563C1 Press for bending sheet materials
12/08/1999EP0879102B1 Sheet-metal bending machine
12/08/1999EP0793551B1 Machine for stamping, bending and assembling sheet metal parts
12/07/1999US5996389 Machining center for processing flat workpieces with a segment distributed hold-down
12/02/1999DE19815529C1 Verfahren und Vorrichtung zum Herstellen gebogener Federbandabschnitte Method and apparatus for producing curved spring band portions
12/01/1999EP0960678A2 Bending-shearing machine
1 ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ... 94