| Patents for B21D 13 - Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form (2,021) |
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| 04/13/2005 | EP1420909B1 Method of making a lanced and offset fin |
| 03/31/2005 | US20050067156 Pressure containing heat transfer tube and method of making thereof |
| 03/24/2005 | US20050061407 Wave-processing method and wave-processing die for core metal of wet friction material |
| 03/24/2005 | US20050061051 Panel crimping machine having a gap adjustment mechanism |
| 03/24/2005 | DE10339069A1 Automotive body panel is strengthened by heat treatment process and application of honeycomb cells |
| 03/23/2005 | CN1597167A Equipment and method for pressing fine wave rib at end of waveform plate |
| 03/10/2005 | WO2005021411A2 Apparatus and method for folding a sheet material |
| 03/10/2005 | US20050051315 Heat exchanger and method of manufacturing core plate |
| 03/03/2005 | US20050044918 Apparatus and method for folding a sheet material |
| 03/01/2005 | US6860135 Method for removing strain from press-formed workpiece, and forming press |
| 02/23/2005 | CN1190280C Punching method and apparatus of V-ribbed steel net |
| 02/16/2005 | EP1506822A1 Method and apparatus for making an ordered packing |
| 02/16/2005 | CN1579663A Method and apparatus for making an ordered packing |
| 02/16/2005 | CN1189648C Decice for making honeycomb structure of waste gas exhausting controlling means |
| 02/09/2005 | EP1504827A1 Sheet or strip metal |
| 02/03/2005 | WO2005009639A2 Center shifted roll forming |
| 01/27/2005 | US20050017120 Center shifted roll forming |
| 01/27/2005 | US20050016240 Method and apparatus for forming a turbulizer |
| 01/20/2005 | WO2005005904A1 Pressure containing heat transfer tube and method of making thereof |
| 01/20/2005 | US20050011244 Roller rocker |
| 01/13/2005 | US20050005450 Method of manufacturing spring assembly |
| 01/12/2005 | EP1055055B1 Method for producing a honeycombed body using a hard sheet metal |
| 01/12/2005 | CN2670024Y Sheet hot shaping discrete lap apparatus |
| 01/11/2005 | US6840080 Press-forming apparatus |
| 01/05/2005 | DE10327455A1 Verfahren und Vorrichtung zur Herstellung eines strukturierten Blechbandes Method and apparatus for producing a structured sheet-metal strip |
| 12/30/2004 | DE29924706U1 Metal foil strip embossing unit |
| 12/29/2004 | EP1276589A4 Vehicle bed edge and manufacturing process |
| 12/28/2004 | US6834525 Adjustable corrugation apparatus and method |
| 12/23/2004 | WO2004110664A1 Method and device for producing a structured sheet metal strip |
| 12/21/2004 | US6833214 Multiple uneven plate and separator using multiple uneven plate |
| 12/16/2004 | WO2004108320A2 Method and apparatus for forming a turbulizer |
| 12/16/2004 | DE102004001419A1 Metal sheet, e.g. for supporting catalytic converter for treating vehicle exhaust, has slits near center which enclose microstructured area extending below its surface, where slits have recesses at their corners |
| 12/15/2004 | CN1554497A Discrete face mold device for plate material heat forming |
| 12/11/2004 | CA2431732A1 Method and apparatus for forming a turbulizer |
| 12/09/2004 | WO2004105978A1 Production of a structured sheet metal for devices for treating exhaust gas |
| 12/09/2004 | WO2004105943A1 Microstructure relieved of notching |
| 11/25/2004 | US20040231386 High thermal efficiency heat exchanger, partially corrugrated sheet metal for heat exchangers, plant and procedure for obtaining said partially corrugated sheet metal |
| 11/23/2004 | US6820452 Panel crimping machine having a gap adjustment mechanism |
| 11/23/2004 | CA2433303C Roll-forming machine |
| 11/16/2004 | CA2279152C Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate |
| 11/11/2004 | WO2004096462A1 Roll forming device for roll forming sheet metal strips and roll segment for a roll forming device of this type |
| 11/11/2004 | DE10304814B3 Verfahren und Werkzeug zur Herstellung von strukturierten Blechlagen; Methods and tools for producing structured sheet metal layers; Katalysator-Trägerkörper A catalyst carrier body |
| 11/10/2004 | EP1474256A1 Sheetmetal forming method |
| 11/03/2004 | EP1473096A1 Roll forming device for roll forming sheet metal strips and roller segment for such a roll forming device |
| 11/03/2004 | EP1472023A1 Metal sheet for building purposes, and method and apparatus for making such sheets |
| 10/28/2004 | DE19915488B4 Vorrichtung zum Biegen eines Metallbandes An apparatus for bending a metal strip |
| 10/27/2004 | CN1541146A Method of making lanced and offset fin |
| 10/14/2004 | US20040200070 Method of manufacturing tube and apparatus for manufacturing the same |
| 10/14/2004 | DE10314084A1 Production of metallic layer, used e.g. as catalyst support body, comprises forming structures in longitudinal direction so that both regions have parallel upper and/or lower support surfaces in longitudinal direction |
| 10/05/2004 | US6799792 Vehicle bed edge and manufacturing process |
| 09/30/2004 | DE10314637B3 Hydroforming press for producing heat exchanger plates from wide metal sheets comprises annular tie rods containing opposite-lying molded pieces with a charging and removal opening formed between them |
| 09/29/2004 | CN1168949C Heat transfor assembly of rotary regenerating heat exchanger |
| 09/23/2004 | DE10311174A1 Verfahren zur Herstellung einer strukturierten Metallfolie A method for producing a structured metal foil |
| 09/16/2004 | US20040177668 Insert for heat exchanger tube |
| 09/15/2004 | EP1457275A1 Progressive die for punching press |
| 09/08/2004 | EP1455157A2 Louver fin and corrugation cutter for forming louver fin |
| 09/08/2004 | CN1165414C Corrugation forming machine |
| 09/02/2004 | US20040168499 Contour roll former in particular for extruded metal profiles |
| 09/02/2004 | DE19723828B4 Verfahren zur Herstellung dreidimensional verformter ein- oder mehrlagiger Hitzeschilder A process for producing three-dimensional deformed single- or multilayer heat shields |
| 08/26/2004 | WO2004072446A1 Method and tool for producing structured sheet metal layers, and catalyst support |
| 08/26/2004 | US20040166296 Flexible corrugated multilayer metal foil shields and method of making |
| 08/19/2004 | DE10304692A1 Gewellter Einsatz für ein Wärmetauscherrohr Wavy use for a heat exchanger tube |
| 08/17/2004 | US6777126 Fuel cell bipolar separator plate and current collector assembly and method of manufacture |
| 08/12/2004 | US20040154370 Device and method for press forming |
| 08/11/2004 | EP1445570A2 Corrugated insert for a heat exchanger tube |
| 08/10/2004 | CA2299088C Method for shaping strip-like films |
| 08/05/2004 | US20040153194 Feedback controlled tension applying system |
| 08/05/2004 | US20040151975 Fuel cell bipolar separator plate and current collector assembly and method of manufacture |
| 08/04/2004 | CN2629867Y Axial adjustable rim roll forming machine |
| 08/04/2004 | CN2629866Y Plate rim roll forming machine |
| 08/04/2004 | CN2629865Y Roll forming machine with liftout cylinder |
| 08/04/2004 | CN2629864Y Roll forming machine with cantilever beam |
| 07/29/2004 | DE10360472A1 Engine radiator has core plate with wavy cross section extending along radiator header, with tubes inserted into holes formed in curved sections and fastened to core plate |
| 07/28/2004 | EP1440742A2 Feedback controlled tension applying system |
| 07/21/2004 | EP1438149A1 Contour roll former in particular for extruded metal profiles |
| 07/07/2004 | EP1435411A1 Cold-stamped anti-slip pattern structure of a metal sheet |
| 07/06/2004 | CA2118396C Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions |
| 06/30/2004 | EP1432538A1 Method of forming metal sheet |
| 06/30/2004 | CN2621850Y Metal corrugated tile bender |
| 06/30/2004 | CA2415592A1 Cold-stamped anti-slip pattern structure of a metal sheet |
| 06/24/2004 | US20040121126 Cold-stamped anti-slip pattern structure of a metal sheet |
| 06/09/2004 | DE10241230A1 Continuously pressing section of profiled sheeting, using pressing band running over two rollers, at least one of which is driven |
| 06/03/2004 | WO2004045785A1 Adjustable corrugation apparatus and method |
| 05/26/2004 | EP1420909A1 Method of making a lanced and offset fin |
| 05/26/2004 | CN1499021A Method for manufacturing skid-proof flat iron |
| 05/20/2004 | US20040093927 Adjustable corrugation apparatus and method |
| 05/19/2004 | DE19603974B4 Verfahren zum Verformen von Körpern und Materialbahnen Method for deforming bodies and webs |
| 05/13/2004 | WO2004001248A3 Splined clutch hub and method of making same |
| 05/12/2004 | CN1496290A Shaping machine in particular for metal profiles |
| 05/06/2004 | EP1056555B1 Apparatus for forming a sheet metal strip |
| 04/20/2004 | US6722087 Building panel and panel crimping machine |
| 04/08/2004 | US20040064927 Process for producing a one-piece, structured metal foil having a hole, metal foil and honeycomb body |
| 04/01/2004 | WO2004026497A1 Process and production line for manufacturing ultrathin hot rolled strips based n the thin slab technique |
| 04/01/2004 | WO2004003453A3 Fin array for heat transfer assemblies and method of making same |
| 03/25/2004 | US20040055355 Forming tool for forming the undulating heat exchanger surfaces of a heat exchanger via cold bending of a sheet and method for the realization of the forming profile of such a tool |
| 03/25/2004 | DE10131889B4 Verfahren zur Herstellung eines wellenförmigen Flügels für Plattenwärmetauscher und Vorrichtung zur Durchführung des Verfahrens A process for producing a wave-shaped wing for plate heat exchangers and apparatus for carrying out the method |
| 03/24/2004 | CN1142838C Method for forming sheet metal strip |
| 03/04/2004 | WO2004018851A1 Metallic layer with regions of varying material thickness, method for production of such a metallic layer and honeycomb at least partly made from such metallic layers |
| 02/25/2004 | CN1478153A Tool and its finishing methof of surface for center fin member of air conditioner for vehicle |
| 02/19/2004 | DE10233957A1 Verfahren zur Herstellung eines profilierten Blechmaterials und Vorrichtung hierfür sowie profiliertes Blechmaterial, metallischer Verbundkörper aus diesem Blechmaterial und Katalysator Method for manufacturing a profiled sheet metal material and device therefor and profiled sheet metal, metal composite body of this sheet material and catalyst |