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