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)
10/2002
10/10/2002	DE10120050C1 Method, for producing curved spring strip sections, involves adjusting one support position adjacent to a further support position perpendicular to the spring strip in the direction of the strip thickness
10/09/2002	CN1373017A Rotary prafile moving device for negative angle shaping mould
10/09/2002	CN1373016A Negative angle shaping mould
10/09/2002	CN1373015A Negative angle shaping mould
10/08/2002	US6460388 Metal forming apparatus
10/08/2002	US6460263 Method and apparatus for measuring bending angle and system for measuring bending angle using the same apparatus
10/03/2002	US20020140239 Method of making a steel crossbeam which crossbeam forms a component of a bumper for motor vehicles, and crossbeam
10/02/2002	EP1245302A1 Profilingmachine with a plurality of in-line arranged forming stations
10/02/2002	EP1244529A2 A method and an apparatus for can making
10/02/2002	EP1244528A1 Safety tool for supporting and holding at least one interchangeable utensil, particularly on a press-bending machine
10/02/2002	CN1091663C Pressing-bending machine with device for detecting lower and upper cross-member deflection, aimed at interactng with at least one crowning system
10/01/2002	US6457292 Composite structural member
10/01/2002	US6457226 Process for beading sheet metal parts in a beading machine
09/2002
09/26/2002	WO2002074463A1 Method for setting the travel of a press brake
09/26/2002	US20020136918 Formed strip and roll forming
09/26/2002	US20020134922 Safety apparatus and protection method for machines
09/26/2002	US20020134126 Formed strip and roll forming
09/26/2002	US20020133926 Lifter and separator for stacked flexible flat workpieces
09/25/2002	EP1243355A2 Negative-angle forming die
09/24/2002	US6453711 Flat turbulator for a tube and method of making same
09/24/2002	US6453708 Press for forming workpieces
09/21/2002	CA2346232A1 Rotary cam moving apparatus for negative-angle forming die
09/17/2002	US6450004 Press brake punch holder
09/12/2002	US20020124912 Flat blank creating the profile is an ultrahigh strength steel having a high tensile limit, the width of the blank selected to match a strength property; varying strength and/or shaping properties along longitudinal direction
09/12/2002	US20020124621 Sheet bending brake
09/12/2002	US20020124620 Rotary cam moving apparatus for negative-angle forming die
09/12/2002	US20020124619 Negative-angle forming die
09/12/2002	US20020124370 Method for making a skip body with a concave cross section
09/11/2002	EP1238723A2 Method of bending plates and device for carrying out the method
09/11/2002	EP1238722A2 Negative-angle forming die
09/11/2002	EP1238721A2 Negative-angle forming die
09/11/2002	EP1238720A2 Negative-angle forming die
09/10/2002	US6446485 Modular tool support element in sheet metal bending brakes
09/05/2002	US20020121125 Repair and assembly tool
09/05/2002	US20020121123 Rotary cam driving apparatus for negative-angle forming die
09/05/2002	US20020121122 Negative-angle forming die
09/05/2002	CA2345973A1 Negative-angle forming die
09/05/2002	CA2345967A1 Rotary cam driving apparatus for negative-angle forming die
09/04/2002	EP1236546A2 Gripper movement control method and apparatus
09/04/2002	EP1235654A1 Tool locking unit in sheet metal bending brakes, in particular for the lower tool
09/04/2002	CN2508871Y Non-impression metal plate bending mould
09/03/2002	CA2186138C Squeakless furniture spring anchor clip and method of making same
08/2002
08/29/2002	WO2002026411A3 Press brake tooling with hardened surfaces
08/29/2002	DE10112891C1 Umbugvorrichtung Umbugvorrichtung
08/27/2002	US6439020 Gutter forming machine
08/27/2002	US6438819 System for fabricating contour muntin bars from sheet material
08/22/2002	WO2002064284A1 Bumper lean hose with generally b-shaped closed section formed by press forming with deep drawing process and method of manufacturing the bumper lean hose
08/22/2002	WO2002064280A1 Object holder
08/22/2002	WO2002064279A1 Forming machine for sheets of formable material
08/22/2002	WO2002064278A1 Cope holder device
08/22/2002	WO2002064277A1 Bumper lean hose having closed section of generally b-shape quenched after press molding
08/21/2002	EP1232811A1 Workpiece-supporting device for a bending machine
08/21/2002	EP1232810A1 Press brake and method of controlling bidirectional fluid pump of hydraulic cylinder of press brake
08/21/2002	EP1198308A4 Industrial press safety system
08/21/2002	CN1089282C Sheet metal bonding machine with offset press rollers
08/20/2002	US6434994 Roll-forming machine
08/15/2002	WO2002062502A2 Device for the bending or folding of sheet metal
08/15/2002	WO2002062499A1 Method for producing profiles by non-cutting shaping
08/15/2002	WO2001042666A9 Hvac flange and flange machine
08/15/2002	US20020108421 Forming machine for sheets of formable material
08/15/2002	US20020108228 System for fabricating muntin bars from sheet material
08/14/2002	EP1231352A2 Method and apparatus for making notched muntin bars having two finishes
08/14/2002	CN2505197Y Hand bending machine
08/08/2002	US20020104363 Metal sheet bending device with rotation inhibiting function
08/08/2002	US20020104355 Rollforming machine
08/07/2002	EP1228822A1 Press brake and ram movement method for press brake
08/07/2002	CN2504008Y Combined overlapped die
08/07/2002	CN1362898A Industrial press safety system
08/06/2002	US6427511 Bending machine
08/01/2002	DE10124804A1 Verfahren zum Herstellen eines Metallprofilteils mit wenigstens zwei Metalllagen sowie Metallprofilteil hergestellt nach diesem Verfahren A method for producing a metal-made profile part comprising at least two metal layers, and metal profile part according to this method
07/2002
07/24/2002	EP1224985A1 A bending machine, in particular for sheet steel
07/24/2002	CN1360526A Wire bending machine and bending method
07/23/2002	US6423423 Formed strip and roll forming
07/23/2002	US6422055 Positioning apparatus for bending machine
07/18/2002	US20020094233 Curling device for forming circular and other flanged shaped connectors and other members for use in joining duct work and other industrial applications, and HVAC flange machine
07/18/2002	US20020092337 Sheet metal follower for a bending press
07/18/2002	US20020092333 Press brake worksheet positioning system
07/18/2002	US20020092194 Device and method for locating variable length components in a modular forming die
07/17/2002	EP1222975A2 Press brake worksheet positioning system
07/17/2002	EP1222040A1 Device and method for determining a bending angle of a sheet and the use thereof for the angle-bending of sheets
07/17/2002	EP1015148B1 A bending press for making channel-shaped bends in the edges of a sheet-metal panel
07/17/2002	CN2500405Y Bending machine for case of washing machine
07/17/2002	CN1358586A Method for making printed angle rectangle section steel pipe
07/16/2002	US6418614 Cutting apparatus for roll-formed product of roll-forming unit
07/12/2002	CA2365490A1 Press brake worksheet positioning system
07/11/2002	WO2002053851A1 Metal roof truss
07/10/2002	EP1221348A1 Workpiece-supporting device for a bending machine
07/09/2002	US6415639 Laser-assisted bending method
07/09/2002	CA2074006C Creasing apparatus
07/04/2002	WO2002051565A1 Metal mold and method of manufacturing metal mold
07/04/2002	WO2002051564A1 Method for shaping flat bodies to give irregular multi-dimensional curved objects
07/04/2002	DE10111134C1 Assembly, for folding edge of metal sheet, involves clamping edge zone between upper and lower dies in press where the closing movement of press swings a shaping edge to bend the sheet along the folding line without distortion
07/04/2002	DE10065142A1 Verfahren zur Verformung von flachen Körpern in unregelmäßig, mehrdimensional gekrümmte Gegenstände Method for forming of flat bodies in irregular, multi-dimensional curved objects
07/03/2002	CN1356187A Apparatus for bending cutting blade to precisley form acute angle
06/2002
06/26/2002	EP0993346B1 Press brake tool holder
06/26/2002	CN2496574Y Adjustable width forming machine
06/20/2002	WO2001042995A3 Sketcher
06/20/2002	US20020073793 Hollow rack shaft and manufacturing method thereof
06/20/2002	US20020073761 Lower die for a bending machine
06/20/2002	DE19782030C2 Folding method in die stamping and bending machine

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