| 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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| 09/17/2008 | CN100418630C A microstructure relieved of notching |
| 08/28/2008 | WO2008084129A3 Method and machine for manufacturing closures for door leaves, windows and wall coverings and resulting closure |
| 08/27/2008 | CN101249606A Method and equipment for hot rolled plate colored forming continuous production |
| 08/27/2008 | CN101249605A Method for continuous producing rust-inhibiting primer coating steel plate |
| 08/26/2008 | US7415860 Method and apparatus for pressing sheet material |
| 08/13/2008 | CN101239364A Corrugated plate shaping techniques under explosive |
| 08/06/2008 | EP1796860B1 Modifying surfaces of work-pieces and forming tools |
| 08/06/2008 | CN100408258C Integral screw blade winding and pressing formation apparatus |
| 07/31/2008 | US20080179048 Louver Fin and Corrugation Cutter |
| 07/30/2008 | EP1949980A1 Method and apparatus for manufacturing creped web material for junction and transition elements of buildings |
| 07/23/2008 | CN101227988A A cladding sheet |
| 07/23/2008 | CN101225692A Metal plate having emboss and processing mould therefor |
| 07/17/2008 | WO2008084920A1 Curved surface forming method of a metal plate |
| 07/17/2008 | WO2008084129A2 Method and machine for manufacturing closures for door leaves, windows and wall coverings and resulting closure |
| 07/16/2008 | CN101223021A Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 07/16/2008 | CN100402180C Foldable mandrel for production of a single curvature folded core for a sandwich panel |
| 07/16/2008 | CN100402176C Device for sheet material corrugation |
| 07/08/2008 | CA2345941C Negative-angle forming die |
| 07/03/2008 | WO2008079182A1 Vehicle bed edge construction and manufacturing process therefor |
| 07/03/2008 | CA2673541A1 Structured material web having a multi-dimensional structure, and method for the production thereof |
| 07/02/2008 | CN201079989Y Net rib forming device |
| 07/02/2008 | CN201079809Y Forming device for steel plate net with rib |
| 06/25/2008 | CN101204771A Process method and special device of helical blade |
| 06/19/2008 | WO2008041195A3 Process for producing heat exchanger tubes and heat exchanger tubes |
| 06/18/2008 | CN201073655Y C-shaped steel forming machine |
| 06/11/2008 | CN101195138A Ultra-thin accurate tooth form punch forming method |
| 06/05/2008 | US20080127706 Adjustable corrugating die sets and method of forming corrugations of varying configurations |
| 06/05/2008 | US20080127700 Building panel and panel crimping machine |
| 06/04/2008 | EP1926583A1 Apparatus and method for forming annular grooves on the outer surface of a cable or tube |
| 06/04/2008 | CN201067841Y System for manufacturing container side plate and front plate |
| 06/04/2008 | CN101190448A Slot wedge roll forming device |
| 05/29/2008 | WO2008062263A1 Component made of a flat material and method for the production thereof |
| 05/28/2008 | EP1925378A2 Panel crimping machine |
| 05/21/2008 | CN101181775A Method for manufacturing container side board and front wall plate |
| 05/21/2008 | CN101181728A Method and equipment for forming roof board |
| 05/14/2008 | CA2568111A1 Light weight metal framing member |
| 05/07/2008 | EP1918039A1 Rolling rack |
| 05/07/2008 | CN101175584A Production of adjustable metallic foil |
| 04/30/2008 | CN201052531Y Container sheet forming machine |
| 04/29/2008 | US7363797 Process for producing corrugated plate and device for producing corrugated plate |
| 04/24/2008 | US20080096041 Pleated Sintered Metal Fiber Medium |
| 04/23/2008 | CN201049367Y Metal wave tooth rolling machine |
| 04/23/2008 | CN100383485C Louvered fins for heat exchanger |
| 04/17/2008 | DE102006048044A1 Method for retanning leather, useful e.g. as split leather, comprises treating tanned leather in aqueous fleet in presence of micro-hollow spheres filled with propellant, drying the leather and treating with hot water or infrared radiation |
| 04/16/2008 | CN201046457Y Roller for manufacturing textile machinery hot orbit |
| 04/16/2008 | CN201046456Y Roller for manufacturing textile machinery cool orbit |
| 04/09/2008 | EP1727633B1 Foldable mandrel for the production of a single curvature folded core for a sandwich panel |
| 04/09/2008 | CN101157102A Processing method of rectangle fillet bellows expansion joint |
| 04/09/2008 | CN100379503C Method of machining a shifting shaft for a gearbox |
| 04/09/2008 | CN100379502C Mobile roll former assembly |
| 04/01/2008 | US7350387 Tooling assembly |
| 03/26/2008 | CN100376338C Method and apparatus for producing heterotype tubing using steel plate |
| 03/19/2008 | CN201036796Y Normal and counter curved surface arc bending mechanism for processing wave type steel plate |
| 03/19/2008 | CN201036795Y Sheet point pressing die lacing wire machine |
| 03/19/2008 | CN201036790Y Roll of sliding car rail for manufacturing textile machine |
| 03/19/2008 | CN201036789Y Ingot hanging rack roll for manufacturing textile machine |
| 03/18/2008 | US7343961 Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
| 03/18/2008 | US7343769 Corrugation forming method |
| 03/11/2008 | US7340935 Equipment for producing corrugate fin |
| 03/06/2008 | WO2008025131A1 Heat transfer surfaces with flanged apertures |
| 03/05/2008 | CN201030398Y Roller making apparatus |
| 02/28/2008 | CA2557422A1 Heat transfer surfaces with flanged apertures |
| 02/27/2008 | CN101130200A Technique for processing knurl of thermal shield and heat insulation course |
| 02/27/2008 | CN101130198A Device for processing knurl of thermal shield and heat insulation course |
| 02/27/2008 | CN100371146C Reciprocating electric shaver, inner cutter thereof |
| 02/12/2008 | US7328492 Methods of producing an annulus gear and drive shell |
| 02/06/2008 | CN101116883A Kick plate circular arc molding combined mould and method thereof |
| 01/31/2008 | WO2008011871A1 Method for producing panels ribbed on one or both sides |
| 01/31/2008 | CA2657807A1 Method for the production of washers ribbed on one or both sides |
| 01/30/2008 | CN201012378Y Corrugated ribbon transporting unit |
| 01/24/2008 | US20080016931 Expanded metal machine |
| 01/23/2008 | EP1879708A1 Controlled production of metal foil |
| 01/17/2008 | DE102006032861A1 Erzeugung von Öffnungen in einer Metallfolie sowie damit hergestellte Wabenkörper zur Abgasbehandlung Forming of openings in a metal foil and thus produced honeycomb body for exhaust gas treatment |
| 01/10/2008 | DE102006031675A1 Production of a corrugated turbulence metal sheet for a flat tube used in heat exchangers comprises feeding a flat strip continuously to a first station in the advancing direction, forming separating sections and further processing |
| 01/03/2008 | US20080000062 Crimp tool |
| 12/27/2007 | WO2007148118A1 Multistable structural member and method for forming a multistable structural member |
| 12/19/2007 | CN200991819Y Spiral-blade forming machine |
| 11/22/2007 | WO2007134178A1 Lubricant for quick plastic forming of aluminum sheet |
| 11/15/2007 | WO2007128490A1 Fastening element for dry construction elements, and method for the production of such a fastening element |
| 11/15/2007 | DE102006022161A1 Production of micro-structured metal sheets and plates used in the production of mini reactors and micro heat exchangers comprises deforming the sheet metal surface incrementally by embossing by rolling in regions |
| 10/24/2007 | EP1847333A1 Method of reducing the thickness of rolled-stock |
| 10/21/2007 | CA2574352A1 Method of producing helically corrugated metal pipe and related pipe construction |
| 10/18/2007 | WO2007071253A3 Heat exchanger of profiled plates of metal sheet |
| 10/17/2007 | CN101053882A Apparatus for manufacturing corrugated sheets |
| 10/09/2007 | US7279016 Fuel cell bipolar separator plate and current collector assembly and method of manufacture |
| 10/03/2007 | EP1839769A2 Method and device for processing a rolled guidance device |
| 10/03/2007 | EP1534444B1 Method and apparatus for making a splined clutch hub |
| 10/02/2007 | US7276211 Process for producing a one-piece, structured metal foil having a hole, metal foil and honeycomb body |
| 09/25/2007 | US7272968 Device for shaping corrugated fin |
| 09/19/2007 | EP1834713A1 Apparatus for manufacturing corrugated sheets |
| 09/19/2007 | CN101036928A Method for manufacturing different diameter spokes |
| 09/19/2007 | CN101036924A Method for producing automatic coins and the hardware |
| 09/05/2007 | CN100335187C Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
| 08/30/2007 | DE19856950B4 Vorrichtung und Verfahren zur Herstellung von Sickenblechen mit mehreren geschlossenen Sicken Device and method for the production of bead plates having a plurality of closed beads |
| 08/21/2007 | CA2221227C Corrugating machine |
| 08/17/2007 | CA2759158A1 Spring/seal element |
| 08/14/2007 | US7255159 Insert for heat exchanger tube |
| 08/09/2007 | US20070184144 Foldable mandrel for production of a single curvature folded core for a sandwich panel |
| 08/09/2007 | DE102006005736A1 Wellrohr Corrugated tube |
| 08/01/2007 | EP1432538B1 Method of forming metal sheet |