| Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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| 04/21/1998 | US5740691 Hemming machine |
| 04/07/1998 | US5735161 For forming the opposite side edge portions of a panel |
| 04/07/1998 | US5735155 Method for manufacturing patterned tread plates |
| 04/01/1998 | CN1177526A Device for bending iron-plate of refrigerator casing and method therefor |
| 03/19/1998 | DE19637807A1 Progressive tool for punching and cutting out flange adaptors having stepped diameters lying within one another |
| 03/18/1998 | EP0828957A1 Manufacture of gaskets |
| 02/17/1998 | US5718139 Method and apparatus for closing a tube structure |
| 02/10/1998 | US5715721 Floating forming die |
| 02/04/1998 | CN1171988A Edge curling device for can body |
| 01/29/1998 | DE19642995C1 Device for producing bending or torsion-loaded supports with U- of V=shaped profiles |
| 01/28/1998 | EP0820822A1 Modular tabletop system for connecting metal pieces by flanging |
| 01/21/1998 | EP0819483A2 Machine for flanging container bodies |
| 01/07/1998 | EP0815978A2 Method of producing sheet metal parts for vehicle safety belt systems |
| 01/07/1998 | CN2271937Y Hydraulic pipe expander |
| 12/03/1997 | EP0809552A1 Headforming machine for expanding tube ends |
| 12/03/1997 | CN2269249Y Forming mold for thin wall profiled square copper tube water outlet |
| 12/02/1997 | US5692421 High-precision cutting tool system |
| 11/12/1997 | EP0671982B1 Zone heating apparatus |
| 11/12/1997 | CN1164447A Die set for manufacturing heat exchanging fin of heat exchanger |
| 11/04/1997 | US5682787 Die assembly for plural kinds of works |
| 11/04/1997 | US5682782 Workpiece-deforming tool and die for use in a punch press |
| 10/29/1997 | EP0802838A1 Workpiece-deforming tool and die for use in a punch press |
| 10/28/1997 | US5680786 Stop ring in apparatus for flanging containers |
| 10/22/1997 | EP0802001A1 Device for bending the rim of a sheet |
| 10/07/1997 | US5673580 Burring processing method, jig for burring processing, and burring processing apparatus |
| 10/02/1997 | DE19612239A1 Machine for fabrication of edge profiles on sheet metal |
| 09/12/1997 | WO1997032678A1 Method and device for producing stamped parts |
| 09/11/1997 | DE19643820C1 Method for swarfless production of hub for rotation-symmetrical gear part from metal plate |
| 09/11/1997 | DE19608551A1 Verfahren und Vorrichtung zur Herstellung von Stanzteilen Method and apparatus for the production of stampings |
| 09/04/1997 | WO1997032380A1 A metal electrical accessory mounting box |
| 09/04/1997 | WO1997031730A1 Methods and apparatus for reducing flange width variations in die necked container bodies |
| 09/03/1997 | EP0792702A2 Device for forming flanged collars in workpieces |
| 08/26/1997 | US5660072 Process for producing a handlebar stem |
| 07/29/1997 | US5651173 Method for doubly upsetting tubing flanges |
| 06/24/1997 | US5640867 Method and apparatus for forming a rim on a lamp reflector |
| 06/24/1997 | CA2134727C Sloped bottom tank |
| 06/09/1997 | CA2192275A1 Tubing end and method for forming |
| 06/05/1997 | WO1997019770A1 Method for forming a flange on a tube |
| 06/03/1997 | CA2086302C System for forming end flanges on pipes |
| 05/27/1997 | USRE35519 Method and apparatus for smooth-rolling and deep-rolling multi-stroke crankshafts |
| 04/22/1997 | US5622071 Method for forming a flange on a tube |
| 04/09/1997 | EP0670942B1 Method for the fabrication of an outflow element |
| 04/03/1997 | CA2186933A1 Method of affixing metal fitments to container stock and products produced thereby |
| 03/18/1997 | US5611237 For bending the ends of metal roofing material |
| 03/06/1997 | DE19532455A1 Forming process for flanges on metal plates, esp. barrel heads |
| 03/04/1997 | US5606888 Method of forming relatively hard materials |
| 02/19/1997 | EP0758565A1 Process and apparatus for realising perforations through double walls of structural members by the internal pressure forming method and a herewith manufactured transversal oscillating lever |
| 02/12/1997 | CN1142790A Driving device for a bending unit |
| 02/11/1997 | US5600992 Die set |
| 02/06/1997 | WO1997003772A1 Method of forming relatively hard materials |
| 02/05/1997 | EP0756684A1 Pipe lap joint with improved collapsible sealing zone |
| 01/29/1997 | CN1141220A Die assembly for plural kinds of works |
| 01/21/1997 | US5595322 Microseamed metallic can |
| 01/15/1997 | EP0753361A1 Die assembly for plural kinds of works |
| 01/14/1997 | US5592845 Process for producing bar flats |
| 01/08/1997 | EP0752289A2 Branch pipe forming tool and method of forming branch pipe on metal tube with the tool |
| 12/18/1996 | CN1137956A Pipe clamp system and pipe end processing device using the system |
| 12/12/1996 | DE19607010C1 End-formation system on tubular metal workpiece |
| 12/05/1996 | WO1996038684A1 Manufacture of gaskets |
| 12/04/1996 | EP0745009A1 Improved hemming machine |
| 12/04/1996 | EP0745008A1 Improved hemming machine |
| 11/19/1996 | US5575168 Workpiece-deforming tool and die for use in a punch press |
| 11/13/1996 | EP0741613A1 Driving device for a bending unit |
| 10/30/1996 | EP0739254A1 Workpiece-deforming tool and die for use in a punch press |
| 10/30/1996 | CN1033146C Method for operating press edger |
| 10/22/1996 | US5566848 Sloped bottom tank |
| 10/22/1996 | US5566440 Method for the fabrication of an outflow element |
| 10/17/1996 | DE19614338A1 Press for internal folding of edge of metal lid |
| 10/16/1996 | EP0539564B1 Selectively formed plate edge method and apparatus |
| 09/17/1996 | US5555759 Workpiece-deforming tool and die for use in a punch press |
| 08/27/1996 | US5548883 Apparatus for executing hemming process |
| 08/22/1996 | WO1996025253A1 Headforming machine for expanding tube ends |
| 08/15/1996 | WO1996024447A1 Method and machine for the production of sheet metal panels |
| 08/15/1996 | WO1996011760A3 Method and tools for creating flanged lightening holes in workpieces |
| 08/14/1996 | DE19605645A1 Mfg. machine component with outer toothing |
| 08/14/1996 | DE19602298A1 Method of mfr. of a vehicle wheel from circular blank by radial upsetting |
| 08/14/1996 | DE19545890A1 Mfg. workpiece with hub on shaping or pressure rolling machines |
| 08/01/1996 | DE19602135A1 Semi-automatic portable flanging machine for door apertures in metal tanks for storage of milk, wine etc. |
| 07/18/1996 | WO1996021530A1 Workpiece-deforming tool and die for use in a punch press |
| 07/04/1996 | DE4446845A1 Manufacturing film protective edge on metallic front plate esp. of keyboard |
| 07/02/1996 | US5531370 High-precision sizing, cutting and welding tool system for specialty aerospace alloys |
| 06/13/1996 | WO1996017699A1 A rolling device and its use |
| 06/13/1996 | DE4443148A1 Method of rounding off burr around stamped holes in thin stamped components |
| 06/04/1996 | US5522247 Method and apparatus for manufacturing a corrugated tube |
| 05/22/1996 | EP0407443B1 Bending apparatus |
| 05/14/1996 | US5515596 Method of executing hemming process |
| 05/01/1996 | EP0462104B1 Apparatus and method for selectively forming a thickened edge on a plate of formable material |
| 04/25/1996 | WO1996011760A2 Method and tools for creating flanged lightening holes in workpieces |
| 04/25/1996 | DE4437281A1 Verfahren zur Herstellung von Formflanschen für Behältnisse, aus deren Behältermaterial die Flansche hergestellt werden sowie Werkzeuge zur Durchführung des Verfahrens A process for preparing Formflanschen for containers, of the container material, the flanges are produced as well as tools for performing the method |
| 04/11/1996 | DE4435466A1 Process for producing connection between insert and tubular component |
| 04/09/1996 | US5505070 Method for forming a sloped bottom tank |
| 03/26/1996 | US5501093 Procedure and apparatus for forming a rectangular collar at the end of a pipe |
| 02/20/1996 | US5492001 Method and apparatus for working burred portion of workpiece |
| 02/06/1996 | US5488849 Rolling and flanging tool to bend back and/or widen fender-wheel well edges |
| 02/01/1996 | DE4435719C1 Device for edge trimming of sheet metal plates |
| 01/30/1996 | US5487296 For use in a power press |
| 01/30/1996 | US5487294 System for forming end flanges on pipes |
| 12/27/1995 | EP0688616A1 Method and apparatus for forming a rim on a lamp reflector |
| 12/26/1995 | US5478983 Process and apparatus for welding or heat treating by laser |
| 12/26/1995 | US5477721 Edge conditioner |