Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves
Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
08/1996
08/15/1996WO1996024446A1 Bending apparatus for metal sheets
08/15/1996WO1996024445A1 Bending apparatus for metal sheets
08/15/1996WO1996024444A1 Arresting device
08/14/1996EP0726102A1 Method for deforming a plate and plate suitable therefor
08/14/1996EP0725692A1 A system for producing bent sheet-metal articles and components of the system
08/14/1996DE19504736A1 Longitudinally welded large pipe prodn.
08/14/1996CN2232808Y Aluminium wind pipe maker
08/14/1996CN2232807Y Extension aluminium wind pipe maker
08/14/1996CA2169327A1 Method for deforming a plate and a plate suitable therefor
08/08/1996WO1996023950A2 Venetian blind for guiding the daylight comprising edged lamellae
08/08/1996DE19503293A1 Gekantete Jalousielamelle Edged blind slat
08/06/1996US5542775 Squeakless funiture spring anchor clip and method of making same
08/06/1996US5542283 For forming an elongated workpiece
08/06/1996US5542282 Markless press brake material protector
07/1996
07/30/1996US5542002 Method and apparatus for automatically inspecting a lithographic plate and reading its folio
07/25/1996WO1996022167A1 Improvements in/or relating to rollformers
07/18/1996WO1996021543A1 Method of manufacturing band blade, method of bending band plate material and apparatus for bending band plate material
07/17/1996EP0721814A1 Drive shaft connecting device for cold roll forming machine
07/17/1996CN1126959A Method and apparatus for supporting a roll molding Machine Stand, and method and apparatus for measuring a supporting platform position
07/16/1996US5535611 Process for the permanent bending of deformable bodies
07/10/1996EP0721206A1 Bending device for the leads of an intermediary integrated circuit holder
07/10/1996EP0607430B1 Apparatus for manufacturing welded steel pipe
07/03/1996EP0719601A1 Universal rolling stand for forming tubes
07/03/1996EP0719191A1 Folding press
07/03/1996EP0719190A1 Folding press
07/03/1996CN1125647A Upper tool and upper tool holder apparatus for press brake and method of holding the upper tool
07/02/1996US5531087 Metal sheet bending machine
06/1996
06/27/1996DE4445741A1 Universal sheet metal working machine
06/27/1996DE3546854C2 Sheet metal bending press
06/25/1996US5529239 Spherical lng-tank and a production method for such a tank
06/25/1996US5528818 For ceilings and/or wall structures
06/20/1996DE19514285C1 Vorrichtung zum Umformen von Werkstücken mit Laserdiodenstrahlung Apparatus for shaping workpieces with laser radiation
06/18/1996US5526672 Press brake backgage
06/12/1996EP0715906A1 Method and apparatus for supporting a roll molding machine stand, and method and apparatus for measuring a supporting platform position
06/12/1996EP0715905A1 Universal tooling for bending press
06/12/1996EP0715904A1 Method of manufacturing a rollformed hollow profile from metal sheet
06/12/1996EP0715552A1 Adaptive folding
06/05/1996EP0714329A1 Mechanical hand for moving plates, in particular sheet metal panels, with respect to a machine tool such as a bending press
06/05/1996EP0714327A1 Apparatus for forming profiles on strip materials
06/05/1996DE4442211A1 Roofing sheets with corrugations of trapezium-shaped cross=section
06/04/1996US5522245 Device for producing metal rings
05/1996
05/30/1996DE4442381A1 Device to read off type and position of tool in bending machine
05/29/1996EP0713734A1 A blank press device for variable assembly with pre-determined steps for folding apparatuses
05/26/1996CA2136696A1 Blank press device for variable assembly with pre-determined steps for folding apparatuses
05/23/1996WO1996015481A2 Intelligent system for generating and executing a sheet metal bending plan
05/23/1996WO1996014968A1 Shear force sensing system
05/23/1996WO1996014967A1 Method for planning/controlling robot motion
05/23/1996WO1996014965A1 Device for gripping and handling pieces of sheet material and manipulator of pieces of sheet material comprising this device
05/23/1996WO1996014949A2 Methods and apparatuses for backgaging and sensor-based control of bending operations
05/22/1996EP0712674A1 Roll forming machine
05/22/1996EP0407443B1 Bending apparatus
05/14/1996US5515706 Angle bender & method
05/09/1996WO1996013346A1 A bending press for making channel-shaped bends in the four edges of a sheet-metal panel
05/09/1996DE19540406A1 Device for bending metal sheets and similar panel=like materials
05/08/1996CN1122114A Microprocessor controlled apparatus and method for forming metal building panels
05/07/1996US5513514 Upper tool and upper tool holding device for press brake
05/01/1996CN1121581A Belt tub with muti-web and manufacture of same
05/01/1996CN1121448A Process and apparatus for rounded sheet-metal blanks
04/1996
04/30/1996US5511407 Upper tool for press brake
04/25/1996WO1996011758A1 Strip forming method and apparatus
04/23/1996US5509885 Creasing apparatus
04/17/1996EP0706428A1 Method and apparatus for bending steel rule
04/17/1996CN1120650A Method for processing metal inner tube
04/16/1996US5507170 Upper tool for press brake
04/16/1996US5507168 Apparatus for bending a strip material
04/10/1996CN2224044Y Bending roll machine for automobile section material
04/10/1996CN1120322A Pipe forming machine
04/09/1996US5505070 Method for forming a sloped bottom tank
04/09/1996US5505069 Sheet bending brake
04/04/1996WO1996009949A1 Ladder frame assembly for a motor vehicle
04/02/1996US5502993 Method of and apparatus for punching and bending a lithographic plate
03/1996
03/26/1996US5501095 Bending press
03/26/1996US5501094 Method for bending a metal thin plate
03/26/1996US5501053 Interengageable structural members
03/23/1996CA2158684A1 Combined portable sheet bending brake and cutter
03/13/1996EP0700735A2 Press working method including step of strengthening local portion of blank
03/13/1996EP0700321A1 Side panel assembly and method and apparatus for forming the same
03/12/1996US5497935 Automated production lines for rolled and welded ferrules
03/12/1996US5497647 Method and an apparatus for bending
03/06/1996EP0699773A1 Method for manufacturing electric-resistance-welded steel pipe
03/06/1996EP0699489A1 Method of forming thin plate and its forming die
03/06/1996EP0699488A1 Apparatus for bending blade material
03/05/1996US5495743 Lower tool device for press brake
03/05/1996US5495741 Apparatus for bending a band-shaped work
02/1996
02/28/1996EP0697925A1 Microprocessor controlled apparatus and method for forming metal building panels
02/28/1996EP0564604B1 Two-speed linear actuator driven by two motors
02/27/1996US5493779 Motion control system
02/21/1996EP0696960A1 Press-driven tool module, in particular press-driven cross-punching or bending unit
02/21/1996EP0497778B2 Device for bending sheet metal
02/20/1996US5491998 Method of making a leaf rejecting rain gutter
02/15/1996WO1996004084A1 Bending press for sheet metal
02/15/1996CA2195869A1 Bending press for sheet metal
02/14/1996EP0696486A1 Method and device for bending sheet metal blanks
02/14/1996CN2219762Y Horizontal double-action bender
02/06/1996US5488880 For a bending press
02/01/1996DE4435719C1 Device for edge trimming of sheet metal plates
02/01/1996DE4426414A1 Device for producing cylindrical and cone-shaped workpieces from flat sheet
01/1996
01/31/1996EP0694348A1 Method and press for producing large tubes from metal sheet
01/31/1996EP0694346A1 A blank holder having variable assembly
01/30/1996US5488470 Bending angle detector for use in a bending machine
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