| Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374) |
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| 11/26/1997 | CN2268591Y Pre-curled mould for pipe of bend |
| 11/19/1997 | CN1165490A Machine for stamping, bending and assembling sheet metal parts |
| 11/11/1997 | US5685191 Upper tool for press brake |
| 11/11/1997 | US5685188 Universal mill stand for forming tubes |
| 11/05/1997 | EP0804977A2 Automotive sunshade panel and method of manufacturing same |
| 11/04/1997 | US5682783 Ceramic tubemill roll assembly |
| 10/29/1997 | EP0803312A2 Method and device for roller seam welding |
| 10/29/1997 | EP0803311A2 Method and device for welding can bodies |
| 10/29/1997 | EP0803300A1 Apparatus for forming straight sheet metal airducts |
| 10/29/1997 | EP0714329B1 Mechanical hand for moving plates, in particular sheet metal panels, with respect to a machine tool such as a bending press |
| 10/23/1997 | WO1997038806A1 Device for shaping workpieces |
| 10/23/1997 | DE19615251A1 Procedure for processing of workpieces in bending press |
| 10/22/1997 | EP0802001A1 Device for bending the rim of a sheet |
| 10/16/1997 | DE19614517A1 Vorrichtung zum Verformen von Werkstücken Apparatus for shaping of workpieces |
| 10/16/1997 | DE19613962A1 Pivoting bending machine for bending or folding e.g. copper plates |
| 10/15/1997 | CN1162291A Ladder frame assembly for a motor vehicle |
| 10/14/1997 | US5676004 Method of detecting bender operating time |
| 10/08/1997 | EP0799656A2 Method for producing pipe having polygon-shaped closed cross-section and device therefor |
| 10/07/1997 | US5673579 Welded steel pipe manufacturing apparatus and method |
| 10/02/1997 | DE19612239A1 Machine for fabrication of edge profiles on sheet metal |
| 09/23/1997 | US5669992 Bumper beam making process |
| 09/23/1997 | US5669260 Method of manufacturing a c-shaped rail with profiled surfaces |
| 09/12/1997 | WO1997033053A1 Metal panel structures |
| 09/12/1997 | WO1997032677A1 Apparatus for bending a metal sheet |
| 09/12/1997 | WO1997032676A1 Method of manufacturing thin-walled pipe or product having similar cross section |
| 09/10/1997 | EP0793561A1 Device for gripping and handling pieces of sheet material and manipulator of pieces of sheet material comprising this device |
| 09/10/1997 | EP0793551A1 Machine for stamping, bending and assembling sheet metal parts |
| 09/06/1997 | CA2199187A1 Combined portable sheet bending brake, coil holder and cut-off mechanism |
| 09/04/1997 | WO1997031728A1 Method for making a skip body with a concave cross section |
| 09/04/1997 | CA2247525A1 Method for making a skip body with a concave cross section |
| 09/02/1997 | US5662264 Method for welding aluminum plates |
| 09/02/1997 | US5661996 Back gage for a bending brake |
| 08/28/1997 | WO1997030804A1 Method of operating robot for press-brake, and control device |
| 08/28/1997 | WO1997030803A1 Bending order selecting method in bending machine and apparatus therefor |
| 08/27/1997 | CN1157768A Fabrication method of welded steel pipe using dual-phase stainles steel |
| 08/26/1997 | US5661671 Bending angle detecting position setting device |
| 08/21/1997 | WO1997030327A1 Angle detection method for bending machine, angle detection apparatus and angle sensor |
| 08/21/1997 | CA2251938A1 Angle detection method for bending machine, angle detection apparatus and angle sensor |
| 08/19/1997 | US5657922 Machine and process for forming tapered or cylindrical utility poles from flat sheet metal |
| 08/19/1997 | US5657662 Bending brake platform |
| 08/13/1997 | EP0788852A1 Electric-resistance welded tube fin pass molding apparatus and double purpose roll apparatus utilizing the same |
| 08/13/1997 | EP0788411A1 A bending press for making channel-shaped bends in the four edges of a sheet-metal panel |
| 08/07/1997 | WO1997027957A1 Sheet-metal bending machine |
| 08/07/1997 | WO1997027956A1 Forming roll for pipe mill and clamp |
| 08/05/1997 | US5653899 Hot metal working by passing through multi-stage rolls |
| 07/30/1997 | EP0785833A1 Strip forming method and apparatus |
| 07/30/1997 | EP0785832A1 Workpiece stop device |
| 07/30/1997 | CN1155455A Uppeer tool holder apparatus for press brake |
| 07/29/1997 | US5652805 Bending angle detector and straight line extracting device for use therewith and bending angle detecting position setting device |
| 07/23/1997 | EP0785336A1 Insulating spacer for creating a thermally insulating bridge |
| 07/17/1997 | WO1997025568A1 Optical safety device for mounting on a moving member |
| 07/17/1997 | DE3546876C2 Abkantpresse Press brake |
| 07/16/1997 | EP0783425A1 Ladder frame assembly for a motor vehicle |
| 07/15/1997 | US5647241 Rotary upper roll selector |
| 07/15/1997 | CA2020259C Method and apparatus for bending manufacturing of long workpiece |
| 07/09/1997 | CN1153687A Plate roller for rolling slender cylinder |
| 07/08/1997 | US5644942 Roll stand raft assembly |
| 07/02/1997 | CN1153488A Method for bending with press brake and press brake for use therein |
| 07/01/1997 | US5642642 Upper tool and upper tool holding device for press brake |
| 07/01/1997 | US5642639 For use in a folding machine to produce sheet panels |
| 06/24/1997 | US5640873 For bending a piece of sheet material through an obtuse angle |
| 06/24/1997 | CA2134727C Sloped bottom tank |
| 06/19/1997 | CA2188632A1 Fabrication method of welded steel pipe using dual-phase stainless steel |
| 06/18/1997 | EP0779116A1 A quick clamping device for at least one tool of a machine tool |
| 06/18/1997 | EP0751728A4 Squeakless furniture spring anchor clip and method of making same |
| 06/05/1997 | WO1997019769A1 Bending brake apparatus |
| 06/04/1997 | CN1035077C Structural member with welded hollow end sections and process for forming same |
| 05/29/1997 | WO1997018907A1 Adjustable sheet metal folding apparatus |
| 05/28/1997 | EP0775028A1 Method and machine for bending workpieces |
| 05/27/1997 | US5632508 Ladder frame assembly for a motor vehicle |
| 05/27/1997 | US5632174 Metal bending machine |
| 05/20/1997 | US5630336 Bending brake |
| 05/20/1997 | US5630333 Apparatus for bending blade material |
| 05/20/1997 | US5630306 Insulating spacer for creating a thermally insulating bridge |
| 05/15/1997 | WO1997017148A1 Method and apparatus for making heat exchanger fins |
| 05/14/1997 | EP0749363A4 Markless press brake material protector |
| 05/13/1997 | US5628225 Leaf spring cambering apparatus |
| 05/07/1997 | EP0771238A1 Bending press for sheet metal |
| 05/06/1997 | US5626169 Device for bending leads of a lead frame |
| 04/30/1997 | CN1148822A Method and device for rounding cans |
| 04/23/1997 | EP0769336A1 Method for bending with press brake and press brake for use therein |
| 04/23/1997 | EP0700321A4 Side panel assembly and method and apparatus for forming the same |
| 04/15/1997 | US5619885 Upper tool holder apparatus for press brake and method of holding the upper tool |
| 04/09/1997 | EP0767015A1 Upper tool holder apparatus for press brake |
| 04/07/1997 | CA2160067A1 Adjustable collars and rolls for use in rollforming |
| 04/03/1997 | WO1997011801A1 Machine for stamping, bending and assembling sheet metal parts |
| 04/03/1997 | DE19535949A1 Maschine zum Stanzen, Biegen und Montieren von Blechteilen Machine for punching, bending and assembly of sheet metal parts |
| 04/03/1997 | CA2205952A1 Machine for stamping, bending and assembling sheet metal parts |
| 04/02/1997 | EP0637273A4 Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions. |
| 04/02/1997 | EP0550578B1 Interengageable structural members |
| 04/01/1997 | US5615571 Device for cambering conductive fingers on an integrated circuit |
| 04/01/1997 | US5615568 Apparatus and method of detecting bender operating time |
| 03/26/1997 | EP0696960B1 Press-driven tool module, in particular press-driven cross-punching or bending unit |
| 03/20/1997 | DE3745067C2 Multi-step bending machine e.g. press brake |
| 03/20/1997 | DE3745066C2 Multi-step bending machine e.g. press brake |
| 03/20/1997 | DE3745027C2 Multi-step bending machine e.g. press brake |
| 03/20/1997 | DE3745026C2 Multi-step bending machine e.g. press brake |
| 03/06/1997 | DE19533618A1 Three-roll sheet bending machine for slit tube prodn. |
| 03/05/1997 | EP0759822A1 Method and device for rounding cans |
| 03/05/1997 | CN1144495A Improvements in/or relating to rollformers |