| Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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| 01/15/1991 | WO1991001466A1 A high pressure tube assembly and method of manufacture |
| 01/15/1991 | CA2057074A1 High pressure tube assembly and method of manufacture |
| 01/09/1991 | EP0406301A1 Bending apparatus. |
| 01/09/1991 | EP0406300A1 Bending apparatus. |
| 01/08/1991 | US4982487 Sealing a beaded top |
| 01/01/1991 | US4980961 Method of forming a double upset tube assembly |
| 12/19/1990 | CN1047914A Bent pipe |
| 12/18/1990 | US4977772 Method and apparatus for forming reforming and curling shells in a single press |
| 12/05/1990 | EP0400576A1 Bent pipe |
| 11/29/1990 | WO1990014178A1 Apparatus and method for selectively forming a thickened edge on a plate of formable material |
| 11/28/1990 | CN1047232A Die assembly for and method of forming metal end unit |
| 11/22/1990 | EP0398529A1 Die assembly for and method of forming metal end unit |
| 11/19/1990 | CA2016338A1 Apparatus and method for selectively forming a thickened edge on a plate of formable material |
| 11/13/1990 | US4969345 Method and apparatus for forming a collar around a hole in a sheet metal blank |
| 10/10/1990 | EP0391863A1 Seaming equipment for securing the ends of tins, cans and similar metal containers, in particular cans for foodstuff |
| 09/18/1990 | US4956989 Method of forming a collar for heating exchanger fin and die for use therein |
| 09/12/1990 | EP0386456A1 Shears unit |
| 09/06/1990 | CA2011330A1 Shears unit |
| 08/22/1990 | EP0383746A1 Process and arrangement for continuously treating an edge of a flat rolled metal product |
| 08/22/1990 | EP0383176A1 Plate folding device |
| 08/08/1990 | EP0381603A1 Method for making a tight joint between rigid pipes, and joint obtained thereby |
| 07/18/1990 | EP0377985A1 Manufacture of metal can bodies |
| 06/28/1990 | DE3902163A1 Method and apparatus for strengthening a container seam |
| 06/28/1990 | DE3842721A1 Flanging device with a hand former |
| 06/19/1990 | US4934168 Die assembly for and method of forming metal end unit |
| 06/14/1990 | WO1990006195A1 A deburrer assembly for the removal of burrs and other defects from the surface of castings |
| 05/30/1990 | EP0370582A1 Device for bending the rim of a sheet |
| 05/17/1990 | DE3937568A1 Biegevorrichtung Bender |
| 05/02/1990 | EP0366131A2 Metallic component cold roll/crimping tool |
| 04/03/1990 | CA1267326A1 Method and apparatus for edge preparation of spinning blanks |
| 03/27/1990 | US4910991 Tube end double end forming method and apparatus |
| 03/06/1990 | US4906158 Head seam for a pail |
| 03/06/1990 | US4905492 Method and device for forming a transverse collar on the end of a metal pipe |
| 02/06/1990 | US4898016 In-roof flanging fixture and process |
| 12/27/1989 | EP0348279A1 Method of finish-machining the two opposed edges of a work piece, and device for carrying out the method |
| 11/02/1989 | EP0339060A1 Compression moulding tool for manufacturing multilayer moulder plates |
| 10/05/1989 | WO1989009103A1 Bending apparatus |
| 10/05/1989 | WO1989009102A1 Bending apparatus |
| 10/05/1989 | WO1989009101A1 Bending apparatus |
| 09/12/1989 | US4865506 Apparatus for reforming an end shell |
| 09/05/1989 | US4862719 Cylinder flanging machines |
| 08/31/1989 | DE3806025A1 Apparatus for the pretreatment of round blanks |
| 08/30/1989 | EP0329949A2 Edge-working machine |
| 08/23/1989 | EP0328790A1 Method and conversion apparatus for the conversion into a collar of an edge portion around a hole in a blank using a converter tool and converter mandrel suitable for the conversion apparatus |
| 08/09/1989 | CN2042382U One-way beader |
| 08/01/1989 | US4852379 Metal forming methods and products formed thereby |
| 07/05/1989 | CN2040408U Automatic beader |
| 06/07/1989 | EP0318829A2 Apparatus for rounding the edges of strips |
| 05/24/1989 | CN1033089A A steel template and its manufacturing process |
| 05/05/1989 | WO1989003732A1 Compression moulding tool for manufacturing multilayer moulder plates |
| 05/02/1989 | US4825676 Flange rolling tool |
| 04/18/1989 | US4821548 Apparatus for chamfering edges of a rim element |
| 03/22/1989 | EP0182890B1 Process to manufacture a seal-holding profile |
| 03/01/1989 | EP0305029A2 Apparatus for reforming an end shell |
| 03/01/1989 | EP0304562A2 Method for bending a strip with a profiled region at its longitudinal edge |
| 02/21/1989 | US4805438 Hemming die fixture for metal presses |
| 02/14/1989 | US4804077 Tube end processing system |
| 02/07/1989 | US4802355 Flange-forming tool |
| 01/25/1989 | CN2031318U Edge rolling machine for closed radiator |
| 01/18/1989 | EP0299714A2 Process and apparatus for forming flanged ends on tubular workpieces |
| 01/18/1989 | CN2030918U Combination edge-curling machine |
| 01/10/1989 | US4796457 Method and apparatus for producing flanged bush |
| 12/06/1988 | US4789263 Process for the production of a ball-point pen tip supplied with liquid ink, and tip produced thereby |
| 12/06/1988 | US4789076 Head seam for a pail |
| 12/06/1988 | CA1245859A1 Die set combination for making pin-back badges |
| 11/30/1988 | EP0292716A2 Tube end processing system |
| 11/01/1988 | US4781047 Controlled spin flow forming |
| 10/19/1988 | EP0287401A2 Dressing workable strip material |
| 10/13/1988 | DE3708483A1 Double-edged quick-flanging tool |
| 10/11/1988 | US4776196 Process and apparatus for forming flanged ends on tubular workpieces |
| 08/23/1988 | US4765171 Apparatus for flanging sheet metal blanks |
| 08/09/1988 | US4761985 Apparatus for flanging sheet metal blanks |
| 08/02/1988 | US4760725 Spin flow forming |
| 07/05/1988 | US4754634 Device for forming bead to pipe |
| 06/07/1988 | US4748836 Method of forming a ridge in a tube member |
| 05/31/1988 | US4747287 Inclined axes spin flanging head and method for using same |
| 05/31/1988 | CA1237340A1 Controlled spin flow forming |
| 05/10/1988 | US4742707 Device for forming a coaxial corrugation in a thin-walled tube |
| 04/27/1988 | EP0264806A2 Apparatus for crimping pipe |
| 04/06/1988 | EP0262196A1 Press for flanging a rectangular metal sheet |
| 03/02/1988 | EP0258204A2 Apparatus for press-bending metal sheets |
| 03/01/1988 | CA1233351A1 Fastener with head cap having a concealed edge |
| 02/24/1988 | EP0257015A2 Apparatus for press-bending metal sheets |
| 01/06/1988 | CN87207618U Container flanging machine |
| 12/08/1987 | US4711110 Apparatus for crimping pipe |
| 11/25/1987 | CN86108581A Curling method for edges of metal sheet |
| 11/17/1987 | US4706489 Single station hemming tooling |
| 11/11/1987 | EP0245050A2 Apparatus and method for controlled spin flow forming of containers and containers per se |
| 11/11/1987 | EP0245049A1 A machine and method for spin flow forming rims of cylindrical metal shells |
| 10/28/1987 | EP0243106A2 Head seam for a pail |
| 10/20/1987 | CA1228283A1 Tube flaring tool die assembly |
| 10/08/1987 | WO1987005838A1 Press for flanging a rectangular metal sheet |
| 09/16/1987 | EP0237128A1 A method of forming a ridge in a tube member |
| 09/15/1987 | US4693107 Method of manufacturing wound bush bearing with notch-free flange and mold assembly for manufacturing the same |
| 08/25/1987 | US4688312 Fuel injection valve having an end flange formed by plastic working and its method of manufacture |
| 07/14/1987 | CA1224126A1 Method and apparatus for flaring a tube |
| 07/02/1987 | WO1987003830A1 Method and device for edge-finishing |
| 04/21/1987 | US4658615 Roller flanging machine for metal strips and the like |
| 03/11/1987 | CN86200938U Curling machine for metal container |
| 02/04/1987 | EP0210464A2 Forming contoured shapes |