Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374) |
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06/02/1999 | EP0919300A1 Press brake, mold layout display method in press brake, and interference check method and apparatus |
06/02/1999 | EP0918580A1 Device for moving part of a machine and for exerting a force at the end of its stroke |
06/02/1999 | EP0725692B1 Apparatus for producing bent sheet-metal articles |
06/01/1999 | US5908070 Heat exchanger |
05/20/1999 | DE19750815A1 Bending device for metal band |
05/20/1999 | DE19749902A1 Manufacture of profiled metal bar |
05/19/1999 | CN2319655Y Pipe material made of plank |
05/14/1999 | WO1999022887A1 Extended length rotary bending and forming devices and methods for manufacture thereof |
05/12/1999 | EP0915320A1 Angle detection method for bending machine, angle detection apparatus and angle sensor |
05/12/1999 | EP0914879A1 Method and apparatus for automatic bending of metal sheets |
05/12/1999 | CN2317966Y Roll collar machine |
05/11/1999 | US5901601 Method and apparatus for bending malleable plates |
05/06/1999 | EP0912265A1 Device for adjusting the size of a machine tool blank holder |
05/05/1999 | CN2317022Y Device for bending metal glazed tile corrugating device |
05/05/1999 | CN1216103A Angle detection method for bending machine, angle detection apparatus and angle sensor |
05/04/1999 | US5899964 Bending angle detector and straight line extracting device for use therewith and bending angle detecting position setting device |
05/04/1999 | US5899103 Bending machine |
04/29/1999 | WO1999020410A1 A pressing-bending machine with a device for detecting the lower and upper cross-members deflection, aimed at interacting with at least one crowning system |
04/29/1999 | DE19848243A1 Bending angle detector for workpieces such as metal plate |
04/28/1999 | EP0911093A1 Device for hemming sheet metal, especially bodywork in automobile construction |
04/28/1999 | CN2316073Y Mechanically-driven shearing and folding dual-purpose machine |
04/22/1999 | DE19806579A1 Precision positioning method for printing plate |
04/22/1999 | DE19744372A1 Former for producing items with small flanges in a fluid cell or flexible pad press |
04/21/1999 | CN2314874Y Edge bending machine |
04/20/1999 | US5894754 System for producing bent sheet-metal articles and components of the system |
04/20/1999 | CA2002334C Automatable castellated roller bending machine |
04/15/1999 | DE19744521A1 Apparatus for roll forming and multiaxial bending of metal sections |
04/14/1999 | EP0908251A1 Device for bending band material by drawing through a die |
04/14/1999 | EP0908250A2 Method for forming a flat metal strip into a profile, in particular a pipe, by drawing |
04/14/1999 | EP0907432A1 Sheet metal bending machine with offset press rollers |
04/14/1999 | EP0907429A1 Strip forming method and apparatus |
04/08/1999 | WO1999016963A1 Mechanically cleanable screen |
04/08/1999 | CA2343956A1 Mechanically cleanable screen |
04/07/1999 | EP0906161A1 Shaping machine for sheet-like workpieces, especially for bending the edges of sheet-steel components |
04/06/1999 | US5890388 Method and apparatus for forming structural members |
04/06/1999 | US5890386 Process and plate roll bending machine |
03/31/1999 | CN2312084Y Arrangement for mounting up tool of press bending machine |
03/31/1999 | CN1212642A Method for making skip body with concave cross section |
03/30/1999 | US5889926 Method for planning/controlling robot motion |
03/30/1999 | US5887861 Workpiece stop device |
03/30/1999 | US5887475 Material for protecting sheet metal during the sheet metal forming process |
03/25/1999 | WO1999014641A1 Method for a bending procedure |
03/25/1999 | DE19735793A1 Precision method bending flat material on folding machines |
03/18/1999 | WO1999013387A1 Apparatus and method for multi-part setup planning for sheet metal bending operations |
03/17/1999 | EP0902344A2 Process for the automatic generation of a sequence of controls for a bending machine for metal sheets |
03/17/1999 | CN1211307A Optical safety device for mounting on a moving member |
03/16/1999 | US5881591 Automatic channel letter bending machine |
03/11/1999 | DE19736987A1 Biegemaschine Bending machine |
03/09/1999 | US5878619 Laminated punch and die assemblies |
03/09/1999 | US5878618 Machine for bending sheet and plate metal through dual wedge system |
03/09/1999 | US5878614 Finn pass forming device for forming seam welded steel pipes and roller device available for forming seam welded steel pipes of a plurality of sizes |
03/09/1999 | CA2244869A1 Process for the automatic generation of a sequence of controls for a bending machine for metal sheets |
03/04/1999 | WO1999010116A1 Bending machine |
03/04/1999 | DE19736102A1 Two-roller bending machine for metal plate, pipes, etc. |
03/03/1999 | EP0899031A2 Machine for the production of metal sheet panels with bent edges |
03/02/1999 | US5875668 Roll forming method for forming flat tube and roll forming apparatus using the same |
03/02/1999 | US5875667 Apparatus for forming a slightly open shell for loading of product |
02/28/1999 | CA2245081A1 Machine for the production of metal sheet panels with bent edges |
02/25/1999 | WO1999008817A1 Roll forming machine and method for changing side roll stands |
02/25/1999 | WO1999008816A1 Roll forming machine and method for changing rolls |
02/25/1999 | DE19837873A1 Bending process for sheet metal |
02/25/1999 | CA2299280A1 Roll forming machine and method for changing side roll stands |
02/25/1999 | CA2297478A1 Roll forming machine and method for changing rolls |
02/24/1999 | EP0897766A1 A table for defining the position of a sheet-metal piece in a system for producing bent sheet-metal articles |
02/24/1999 | EP0793561B1 Device for gripping and handling pieces of sheet material and manipulator of pieces of sheet material comprising this device |
02/22/1999 | CA2211824A1 Brake press backgauge material support arm |
02/18/1999 | WO1999008166A1 Folding line generation method for bending and bending system based thereon |
02/18/1999 | DE19731405A1 Equipment in press for bending metal plate to form tubes |
02/16/1999 | US5870919 Folding system for a cutting blade |
02/09/1999 | US5868229 Device for overload protection and braking of a machine part driven by a motor |
02/09/1999 | US5868024 Bending press for making channel-shaped bends in the four edges of a sheet-metal panel |
02/03/1999 | EP0894550A2 Bending machine for multiple bending |
02/03/1999 | EP0894032A1 Device for shaping workpieces |
02/02/1999 | US5865056 Bending method and apparatus for effecting corrective displacement of a workpiece |
02/02/1999 | US5865053 Transition beam forming section for tube mill |
01/27/1999 | EP0893170A1 A bending machine for the production of sheet-metal articles |
01/27/1999 | EP0788411B1 A bending press for making channel-shaped bends in the four edges of a sheet-metal panel |
01/27/1999 | EP0726822B1 Adjustable die assembly |
01/26/1999 | US5862694 Tapered tube manufacturing apparatus and process |
01/21/1999 | WO1999002795A1 Cold-forming process and apparatus |
01/21/1999 | DE19747291C1 Folder for motor vehicle body panels |
01/21/1999 | DE19730458A1 Pivot bending machine built into a bending press |
01/21/1999 | CA2295487A1 Cold-forming process and apparatus |
01/20/1999 | EP0891822A1 Apparatus and method for cutting a v-shaped groove in a sheet of material |
01/19/1999 | US5860312 Bending brake apparatus |
01/19/1999 | CA2176281C Roll former with side edge control |
01/14/1999 | WO1999001242A1 Roll-formed metal profile of thin sheet |
01/14/1999 | WO1999001240A1 Press brake tool holder |
01/14/1999 | WO1999001239A1 Laser-assisted bending method |
01/14/1999 | DE19747292C1 Folding press for motor vehicle body work panels |
01/13/1999 | EP0890396A1 A device for the automatic replacement of the tools in a bending machine |
01/13/1999 | EP0663860B1 Plate bending machine |
01/12/1999 | US5857377 System for producing bent sheet-metal articles and components of the system |
01/12/1999 | US5857366 Method of bending workpiece to target bending angle accurately and press brake for use in the same method |
01/05/1999 | US5855394 Motor vehicle frame assembly and method of forming the same |
01/05/1999 | US5855133 Rollforming apparatus for forming profile shapes |
12/30/1998 | WO1998058753A1 A metal sheet press-bending machine |
12/24/1998 | DE19744308C1 Method for extrusion forming alloy tubes |
12/23/1998 | EP0885335A1 Metal panel structures |
12/23/1998 | EP0603366B1 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates |