| Patents for B21D 24 - Special deep-drawing arrangements in, or in connection with, presses (1,969) |
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| 06/22/2005 | CN1628919A Device for manufacturing fins for heat exchanger |
| 06/16/2005 | DE10350089A1 Deep drawing tool for manufacture of e.g. light sheet metal product has inner and outer retaining strips |
| 06/08/2005 | EP1536898A1 Press-hardened part and method for the production thereof |
| 06/08/2005 | EP1536897A1 Three volume gas spring and method of operation thereof |
| 05/25/2005 | EP0916427B1 Progressive deep-drawing machine |
| 05/19/2005 | WO2005044481A1 Press forming device, press forming method, computer program, and recording medium |
| 05/19/2005 | WO2005044480A1 Die for press and die for punch press |
| 04/27/2005 | CN1608765A Opened double-acting mechanical press |
| 04/21/2005 | US20050084557 Deep-drawing tool |
| 04/20/2005 | EP1523519A1 Tool consisting of plastic material |
| 04/14/2005 | WO2005032740A1 Apparatus and method of hot press-forming metal plate material |
| 04/14/2005 | DE10343002A1 Forming tool for thin metal or plastic sheet parts, in particular automotive body parts, has a forming gap to which compressed gas can be fed and a pressure switch linked to a warning circuit |
| 04/14/2005 | DE10343001A1 Forming tool for thin metal or plastic sheet has bores opposite each other in the die and punch, one connected to compressed gas, the other to a gas pressure switch |
| 04/07/2005 | DE10341224A1 Method for deep drawing metal cap for gas bottle involves using two stage process with the cap skirt completed by the relative movement of the cutting stamp and the draw preform |
| 03/31/2005 | DE10339004A1 Hydraulische Presse Hydraulic Press |
| 03/31/2005 | DE10303315B4 Werkzeugmaschine zum gleichzeitigen Außenhockdruckumformen von Platinen Machine tool for simultaneous external high-pressure forming of boards |
| 03/30/2005 | CN1194828C Plate material shaping mould pretreatment technology |
| 03/24/2005 | DE10300630B4 Formpresseinrichtung Molding device |
| 03/17/2005 | WO2005023449A1 Plate material press forming method and press forming device |
| 03/17/2005 | US20050056073 Drawing method and drawing die assembly |
| 03/10/2005 | WO2005021253A2 Hydraulic press and deep-drawing press |
| 03/10/2005 | US20050051935 Cushion and cushion cylinder for ram or bolster of a press |
| 03/09/2005 | CN2683273Y Hydraulic pressure control device for metal plate hydraulic forming |
| 03/03/2005 | US20050044925 Tool made from plastic |
| 03/03/2005 | DE4218952B4 Hydraulischer Antrieb für eine Presse, insbesondere für eine Blechformpresse Hydraulic drive for a press, in particular a sheet metal forming press |
| 03/03/2005 | DE10336279A1 Einrichtung zur Steuerung des Ziehvorgangs bei einer Transferpresse Means for controlling the drawing operation in a transfer press |
| 03/01/2005 | US6860135 Method for removing strain from press-formed workpiece, and forming press |
| 03/01/2005 | US6860134 Ironing dies |
| 02/24/2005 | WO2005016571A1 Device for controlling the drawing process in a transfer press |
| 02/17/2005 | US20050034291 Tool assembly employing a flexible retainer |
| 02/16/2005 | CN1582206A Internally cooled punch |
| 02/16/2005 | CN1582205A Internally cooled tool pack |
| 02/16/2005 | CN1189262C Diameter reducing working method for metal pipe |
| 02/10/2005 | DE10331939A1 Sheet steel pressing tool esp. for motor vehicle bodies has spacers with sensors to measure local billet clamping force for precise and continuous height adjustment of spacers |
| 02/02/2005 | CN1572388A Method for manufacturing cooling fin of heat exchanger and its die apparatus |
| 01/27/2005 | WO2005007313A1 Cushion and cushion cylinder for ram or bolster of a press |
| 01/27/2005 | US20050016247 Device and method for manufacturing resin coated metal seamless container shell |
| 01/27/2005 | DE10329898A1 Forming method for steel sheet billets in presses uses female mold, pressure plate, pressure generators, and actual and characteristic value measuring and comparing devices |
| 01/27/2005 | CA2532273A1 Cushion and cushion cylinder for ram or bolster of a press |
| 01/05/2005 | EP1492635A1 Method and embossing die for producing a structural part from a vault-structured sheet metal |
| 01/05/2005 | CN1559719A Metal plate material hydraulic shaping method and its mould device |
| 12/16/2004 | US20040250595 Method and a device for reducing the noise level at a deep-drawing press |
| 12/15/2004 | CN2663049Y Automatic feeding device for a bellow stretcher |
| 12/02/2004 | DE10322272A1 Deep drawing procedure for sheet metals, involves pressing area of sheet metal between outer edge of pulling stamp and radius section of die plate in direction of steep edge region of pulling stamp |
| 11/11/2004 | DE10016804B4 Verfahren und Vorrichtung zum Herstellen von Bauteilen aus einer tiefziehbaren Platine Method and apparatus for the manufacture of components made of a deep-drawable plate |
| 10/26/2004 | US6807838 Press die |
| 10/19/2004 | US6804983 Die cushion apparatus |
| 10/13/2004 | EP1466679A2 Press molding die and manufacturing method of same |
| 10/13/2004 | EP1097314B1 Low contact force spring |
| 10/07/2004 | US20040194527 Press molding die and manufacturing method of same |
| 10/06/2004 | CN1533855A Die and its mfg. method |
| 10/05/2004 | US6799449 Apparatus for superplastic forming |
| 09/30/2004 | US20040187546 Die cushion apparatus of press machine and surge pressure reduction method for die cushion apparatus |
| 09/28/2004 | US6796159 Low contact force spring |
| 09/15/2004 | CN1529639A Power press |
| 09/07/2004 | US6785959 Tool assembly employing a flexible retainer |
| 08/26/2004 | DE10024499B4 Gasdruckzylinder, insbesondere in der Art einer Stickstofffeder Gas pressure cylinder, in particular in the manner of a nitrogen spring |
| 08/25/2004 | EP1448327A1 Internally cooled punch |
| 08/25/2004 | EP1448326A1 Internally cooled tool pack |
| 08/25/2004 | EP1448325A1 Tool made from plastic |
| 08/19/2004 | DE3530204B4 Mechanisch angetriebene Ziehpresse Mechanically driven drawing press |
| 08/19/2004 | DE10303315A1 Machine tool press to impart three-dimensional shape to panels under high pressure has collar plate securing form panels at outer margin |
| 08/17/2004 | US6776021 Hydraulic drive for use in can manufacture |
| 08/12/2004 | WO2004067200A1 Press die apparatus for thin plate and press forming method |
| 08/11/2004 | EP1038141B1 Self-lubricating fluid cylinder |
| 08/11/2004 | CN2632368Y Precision numerical control stretching hydropress shaping correcting controller |
| 08/05/2004 | WO2004065112A1 Hydraulic system for die cushion device for press machine |
| 08/05/2004 | DE10304052A1 Hydraulic press used for performing deep-drawing press and fine cutting works, includes cylinder piston unit that sets setting stroke, and another cylinder piston unit that sets working stroke |
| 07/28/2004 | EP1441145A2 Low contact force spring |
| 07/22/2004 | DE10300630A1 Tiefziehwerkzeug Thermoforming mold |
| 07/14/2004 | EP1189711B1 Method of manufacturing a dome from an undersized blank |
| 07/13/2004 | US6761055 Drive for a hold down assembly of a can bodymaker a method of use thereof |
| 06/17/2004 | US20040112109 Liquid ejection head, and method of manufacturing the same |
| 05/27/2004 | DE10353350A1 Federungsstift, Verschleissplatte, Lastabstützvorrichtung, Gesenkfederung, Presse und Pressverfahren Suspension pin, wear plate, Lastabstützvorrichtung, Gesenkfederung, press and pressing process |
| 05/20/2004 | US20040094046 Cushion pin, wear plate, load supporting device, die cushion, press machine and pressing method |
| 05/12/2004 | CN1495024A Liquid spray nozzle and its making method |
| 05/06/2004 | WO2004037460A1 Method and apparatus for reducing wrinkle formation in deep drawing |
| 05/04/2004 | US6729173 Hydraulic draw press arrangement |
| 04/22/2004 | WO2004033126A1 Press-hardened part and method for the production thereof |
| 04/15/2004 | DE10254103B3 Deep drawing die and method to draw esp. metal plate blanks has drawing die with base and body formers, and body former applying friction force to part jacket during drawing |
| 03/25/2004 | WO2004024363A1 Three volume gas spring and method of operation thereof |
| 03/23/2004 | US6710291 Forming process and system |
| 03/23/2004 | US6708543 Sheet-metal formed with spaced projections and manufacturing method of the same |
| 03/10/2004 | EP1396297A1 Device and method for deep-drawing |
| 03/10/2004 | EP1395376A1 Power press |
| 02/26/2004 | DE10228514A1 Machine for shaping metal sheets, by deep drawing, has retaining plates to hold the sheet workpiece at the lower die with adjustable pressures from hydraulic press units at the holder bodies |
| 02/25/2004 | EP1390165A1 A method and a device for reducing the noise level at a deep-drawing press |
| 02/19/2004 | US20040032069 Tool assembly employing a flexible retainer |
| 02/18/2004 | EP1389499A1 Tool assembly employing a flexible retainer |
| 02/12/2004 | DE10231001A1 Aus Kunststoff bestehendes Werkzeug Consisting of plastic tool |
| 01/29/2004 | US20040016280 Metal sheet pressing method |
| 01/20/2004 | US6679091 Stretch bender |
| 01/15/2004 | WO2004005385A1 Tool consisting of plastic material |
| 01/15/2004 | US20040007036 Drive for a hold down assembly of a can bodymaker a method of use thereof |
| 10/16/2003 | WO2003084693A1 Method and embossing die for producing a structural part from a vault-structured sheet metal |
| 09/30/2003 | US6626023 Hydraulic pressure compensating method and device for pressure-equalizing apparatus for pressure pins |
| 09/25/2003 | US20030177801 Apparatus for superplastic forming |
| 09/17/2003 | EP1344585A2 Hydroelastic deep drawing device |
| 09/17/2003 | CN1442248A Plate material shaping mould pretreatment technology |
| 09/17/2003 | CN1121286C Stamper forming dies and its operating method, and forging dies and its operating method |