Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
06/1994
06/14/1994US5319952 Roll forming machine
06/08/1994EP0471848B1 Device for judging suitability of die for press brake
06/08/1994CN2167797Y Corrugation forming machine
06/05/1994CA2084592A1 Rotatable alignment stop
06/01/1994EP0444169B1 Tooling for folding press for air folding
05/1994
05/31/1994US5315853 Portable construction frame forming apparatus
05/26/1994WO1994012009A1 Device for bending leads of a lead frame
05/26/1994WO1994011701A1 Bending angle detector for bending machine
05/26/1994WO1994011597A1 Metallic wall framing, method and apparatus for producing same
05/24/1994US5313814 For bending a workpiece
05/17/1994US5311760 Method and apparatus for corner bead angle enlargement
05/17/1994CA1329498C Controlled shot peening
05/11/1994WO1994009924A1 Adjustable die assembly
05/11/1994EP0596751A1 Sheet material bending angle detector
05/11/1994CN1086469A Continuously shaped pipe with changed diameters
05/10/1994US5309619 Multi-function power shear machines
05/04/1994EP0595765A1 Bending press
05/04/1994EP0476092B1 Sheet-metal bending device
05/04/1994CN1024397C Method and apparatus for making clad core wire
05/03/1994US5307659 Plate bending machine
04/1994
04/28/1994WO1994009510A1 Process and device for forming the connection leads of integrated circuits
04/28/1994DE4236060A1 Device and numerical control for two-roll round bending - has conventional two-roll bending unit comprising rigid roll and roll with elastic coating being integrated in conventional press brake
04/28/1994DE4235629A1 Profiling attachment for sheet metal working machine - comprises roll forming device displaceable alongside machine hold-down device
04/27/1994EP0594532A1 Device for measuring the angle of bend of a sheet
04/26/1994US5305659 Tooling for folding press for air folding
04/21/1994DE4334861A1 Shaping leads of integrated circuit package - displacing lead end along arcuate path using clamping mechanism with two jaws
04/19/1994US5303572 Panel bending apparatus and method
04/14/1994WO1994007622A1 Plate bending machine
04/14/1994WO1994007621A1 Method of forming welded pipe and forming stand therefor
04/12/1994US5301869 Machine for manufacturing welded steel pipes and method for handling the machine
04/06/1994CN1024138C Phosphorus family wear-resisting cast iron quenching ball and production process thereof
03/1994
03/31/1994WO1994001234A3 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates
03/29/1994USRE34569 Robotized handling device and sheet metal bending system featuring the same
03/29/1994US5298115 Shaping by etching
03/24/1994DE4222357A1 Press brake with unrestricted bending beam travel curve - has entire bending equipment located below sheet plane
03/22/1994US5295385 Bending apparatus
03/22/1994US5295384 Sheet-metal bending device
03/15/1994US5293972 Hydraulically operated press brake
03/15/1994US5293767 Machine tool
03/09/1994EP0396782B1 Tool position controller of bending machine
03/02/1994EP0584486A1 Bending machine
02/1994
02/23/1994EP0583449A1 Bending press
02/17/1994DE4226402A1 Metal plate bending machine - produces thick-walled pipes by repeated passes of narrow rolling wheel over plate supported on two spaced-apart bars
02/16/1994EP0442995B1 Folding press
02/15/1994US5287433 Device for control of a robot manipulator for a metal sheet bending installation
02/15/1994US5285668 System for detecting bending angle for press brake
01/1994
01/25/1994CA1326340C Structural member and process for forming same
01/20/1994WO1994001234A2 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates
01/12/1994EP0577974A1 Lower tool device for press brake
01/05/1994EP0577068A1 Bending machine
01/05/1994EP0576796A1 Metallic die device for press machine
01/04/1994EP0739516A4 Method and apparatus for bending sheet stock
01/04/1994CA1325737C Method and apparatus for material forming to accurate shapes
12/1993
12/29/1993EP0575398A1 Method and device for manufacturing a single product from integrated circuits received on a lead frame
12/29/1993EP0575393A1 Sheet-metal bending device.
12/28/1993US5272904 Hydraulically operable press brake
12/23/1993DE4240725C1 Wire or strip bending machine - has guide track curving in vertical plane for lockable slide with movable tool=holder
12/22/1993EP0574670A1 Method and device for forming metal sheets into can bodies and for feeding them to a welding station
12/22/1993CN2149989Y Oil-pressure driven roller-pipe forming machine
12/22/1993CN1079682A Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station
12/21/1993US5272643 Press brake with crown adjustment and movable table adjustment calculate from first and second die contiguous position
12/21/1993US5271261 Processing machine for processing wire and strip stock or for assembling components
12/15/1993CN1023084C Products of cold roll-formed technology
12/09/1993WO1993024253A1 Method and tool for producing pallets
12/09/1993CA2137078A1 Method and tool for producing pallets
11/1993
11/24/1993EP0570921A2 Manipulator for the accurate rotational and translational movement of sheet materials
11/18/1993EP0570212A1 Method for producing a large arcuate tank
11/18/1993EP0569880A2 Upper tool and upper tool holding device for press brake
11/18/1993DE4215807A1 Pipe bending press - has lower piston cylinder units between table and lower beam in a closed frame structure
11/09/1993US5259231 Process for the two-directional bending of sheet metal
11/09/1993US5259230 Method of positioning flat stock to be bent
11/03/1993CN2145078Y Double bob-weight hammer type hand edge fold machine
10/1993
10/28/1993WO1993020962A1 Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions
10/27/1993EP0567193A1 A device for moving the blades of a press used for bending sheets
10/20/1993EP0497780B1 Process for the two-directional bending of sheet metal
10/19/1993US5253502 Apparatus and method for bending and forming sheet material
10/19/1993US5253498 Bending brake with multiple selectively operative clamp jaws
10/14/1993DE4212049A1 Method for temporary storage of flexible metal strip - uses deflector device, to move strip successively from upright into horizontal position
10/13/1993EP0564604A1 Two-speed linear actuator driven by two motors.
10/08/1993CA2093487A1 Process and apparatus for the temporary storage of flexible metal strip
10/07/1993DE4211244A1 Machine to profile sheet metal strip edges - is modular and portable, has profiled rollers automatically adjustable to strip thickness, and are for varying edge heights
10/05/1993US5249452 Adjustable master brake die
09/1993
09/30/1993WO1993019425A1 Method and apparatus for bending sheet stock
09/30/1993WO1993018872A1 A sheet metal profile and a method of manufacturing the profile, whereby an initial local deformation is larger than the final
09/30/1993DE4210227A1 Mfr. of tubes from sheet metal - by machine with three rollers mounted in frame which can be swung about axis of one roller.
09/30/1993CA2132192A1 Method and apparatus for bending sheet stock
09/23/1993DE4209259A1 Bending machine with movable clamping jaws - has hinging bending tools on jaw ends between retracted and protruding positions
09/22/1993CN1076389A A roller section for longitudinally profiling sheet material and a profiling roller mill comprising such roller sections
09/21/1993US5245854 Press tool and an adaptor and a press therefor
09/21/1993US5245852 Method for manufacture of a raised panel sheet metal shutter
09/21/1993US5245849 Apparatus for forming a pipe from a sheet metal plate
09/14/1993US5243902 Hydraulic bending press with movable lower platen
09/07/1993CA1321925C Rounding apparatus for a can welding machine
09/02/1993WO1993016822A1 Bending press
09/02/1993DE4206417A1 Schwenkbiegemaschine Folding Machine
09/02/1993DE4206128A1 Bending machine used in mfr. of sheet metal pipe - has two freely projecting rollers, one with elastomer body
08/1993
08/31/1993US5239853 Device for bending sheet metal
08/31/1993CA2003702C Roll former and/or cutter with quick automated tool changer
08/25/1993CN1075435A Processing method for curved shell plate
08/24/1993US5237846 Method and apparatus for forming metal roll-formed parts
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