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)
10/2003
10/01/2003CN2576372Y Improved holding-seat structure of folding bed
10/01/2003CN1122902C Method and apparatus for designing sheet metal
09/2003
09/30/2003US6626021 Engine oil pan and forming method and apparatus
09/24/2003EP1210191B1 Method and device for forming conical tube casings
09/24/2003CN1443627A Cam equipment
09/18/2003WO2003076099A1 Measuring device
09/17/2003EP1344586A1 Cam apparatus
09/17/2003EP1344583A1 Profile, apparatus and method for its production as well as use of said profile
09/17/2003EP1060037B1 Formation method and device for curved plates
09/17/2003EP1011891B1 Roll-formed metal profile of thin sheet
09/16/2003US6619095 Press apparatus
09/16/2003US6618926 System for fabricating muntin bars from sheet material
09/16/2003CA2296240C Roll-forming machine
09/11/2003US20030167874 Cam apparatus
09/10/2003EP1342517A2 Attaching a bottom to a can body
09/10/2003EP1342516A2 Roll forming a non circular cross sectional shape
09/10/2003EP1342513A1 Apparatus for bending a metal sheet
09/04/2003WO2003072298A1 System and method of coating a continous length of material
09/04/2003WO2003072278A1 Method for reducing bending angle errors during die bending
09/03/2003EP1339508A1 A roll forming machine
08/2003
08/28/2003US20030161966 Electron-beam curable coating or an ultraviolet curable coating comprises placing a portion of the material to be coated under tension or compression and driving or pulling the material 1 through a coating system 100 whereby a liquid
08/28/2003US20030159491 Sheet metal bending machine for forming cleats
08/28/2003US20030159490 Machine for forming cheek bends in sheet metal
08/27/2003EP1080451B1 Sheet metal working graphic data generation method and apparatus
08/21/2003WO2003068429A1 Press action simulator for aerial cam set up
08/21/2003US20030154760 Device for holding a sheet metal blank in a forming press
08/21/2003US20030154759 Plate material processing machine with bending function and tool for the same
08/19/2003US6606896 Tool support and locking device in sheet metal bending brakes
08/14/2003US20030150251 Trailered brake workstation
08/12/2003US6604397 Rollforming machine
08/12/2003CA2347880C Structural tubing members with flared out end segments for conjoining
08/07/2003US20030147757 Ram moving method for hydraulic machine, ram movement controller, method for preventing trapping of axial plunger pump used for the machine, and the pump
08/06/2003EP1086441B1 Automatic programming apparatus and storage medium for storing graphic data generating program
07/2003
07/30/2003EP1331047A2 Automatic pannel bending machine
07/30/2003CN1116134C Method and device for mfg. ring metal sheet group
07/24/2003US20030136166 Architectural panel arching device
07/23/2003CN1431062A Traction system of bending machine with two rollers
07/23/2003CN1115264C Automotive sunshade panel and method of mfg. same
07/16/2003EP1244529B1 A method and an apparatus for can making
07/15/2003US6592158 Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam
07/15/2003US6591647 Method for manufacturing a corrugated fin for a plate-type heat exchanger and device for implementing such a method
07/15/2003US6591576 Structural member having closed sections, and apparatus and method for producing the structural member
07/10/2003WO2003056275A1 Method and device for measuring lengths of a workpiece deformed by bending
07/10/2003US20030127149 Metal tube and its production method
07/10/2003US20030126904 Brake in particular for flat blank
07/09/2003EP1021614B1 Mechanically cleanable screen
07/09/2003CN1428533A Metal pipe and its production method
07/09/2003CN1113710C Method for machining bent and deformed part of metal plank and metal blank adopted thereof for plastic machining
07/09/2003CN1113708C Tandem mill for cold bending of stainless steel section
07/03/2003WO2003053605A1 Bending machine, especially a bending or folding press, comprising an adjustable lower tool
07/03/2003US20030121303 Die set with position sensor mounted thereon
07/02/2003EP1323483A2 Metal tube and its production method
07/02/2003CN1426859A Interconnection pressure type steel plate
07/02/2003CN1426858A Structure for forming multipurpose metal plate surface bent section with internal and external structural members
07/01/2003US6584672 Method for the manufacture of bundles of metal sheets of annular shape
07/01/2003US6584661 Hemming machine
06/2003
06/25/2003EP1321200A2 Tool in sheet metal working machine
06/25/2003EP1320427A1 Method and installation for making a workpiece comprising at least a tubular section
06/25/2003EP1320426A2 Press brake tooling with hardened surfaces
06/25/2003CN2557262Y Real time on-line angle automatic metering device in bending
06/25/2003CN1112263C Bending machine provide with blank holder having programmable length
06/24/2003US6581427 Method of adjusting the stroke of a press brake
06/19/2003US20030111851 Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam
06/18/2003EP1319450A1 Bending method and device therefore
06/18/2003EP1319449A1 Bending method and single elongation value specifying device of bending apparatus
06/18/2003EP0919301B1 Back gauge device
06/17/2003US6578403 Device for adjusting the height of a plurality of tool carriers for a bending press
06/12/2003WO2003047783A1 Method and device for changing the rolls of a tube welding stand
06/11/2003EP1123169B1 A sheet fabrication center and methods therefor of optimally fabricating worksheets
06/05/2003WO2003045601A1 Device for production of a tube
06/05/2003US20030105548 Bending method and single elongation value specifying device of bending apparatus
06/04/2003CN2553922Y Bender
06/04/2003CN2553921Y Hinge device of bender
06/04/2003CN1422192A Method and apparatus for forming two flanges on a metal sheet
06/04/2003CN1110382C Thin sheet forming dies
06/04/2003CN1110381C Press equipment
06/03/2003US6572721 Method of manufacturing automotive sunshade panel
06/03/2003US6571594 Open back brake
06/03/2003US6571589 Bending machine and its operation method
05/2003
05/29/2003US20030097868 Sheet metal follower associated with a press for bending sheet metal
05/28/2003DE10153144C1 Device, for producing a polygonal pipe, comprises a pipe-welding unit, a roller unit, and a camber roller unit located downstream of the roller unit and having convex rollers on opposite-lying pipe sides
05/28/2003CN1419976A Metal pipe and method for mfg. same
05/22/2003WO2003041887A1 Method of forming metal sheet
05/22/2003WO2003041886A1 A method of bending metal roofing sheets and a bending apparatus
05/22/2003US20030094029 Sheet metal bending brake
05/22/2003US20030094027 Forming machine for sheets of formable material
05/22/2003DE20303330U1 Panel bending machine, has inner shields with guides for punch and die walls rotatably mounted on outer shields in sides of machine frame
05/21/2003EP1311355A1 Tool clamping device for a shaping tool, especially for a press brake
05/21/2003EP1165264B1 Tool holding fixture for bending brakes
05/20/2003US6564611 Hydraulic press brake tool holder
05/20/2003US6564442 Workpiece bending and joining machine
05/15/2003WO2003039777A1 Apparatus and method for overcoming angular deviations in a workpiece
05/15/2003US20030092547 Bending press system
05/15/2003US20030089414 Metal tube and its production method
05/14/2003EP1309414A1 Method for operating a bending press and bending press, especially a folding bending press
05/08/2003US20030084702 Bending method and bending system
05/08/2003US20030084698 Open back brake
05/07/2003EP1308808A2 High performance machine with reduced setting-up time for programmed sheet bending
05/07/2003EP1308221A2 Metal tube and its production method
05/07/2003EP1064110B1 Bending machine for flat material
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