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