| Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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| 09/09/1981 | EP0035245A1 Improvements in or relating to methods of and/or apparatus for flanging tube ends |
| 08/18/1981 | US4284022 Bending apparatus |
| 08/18/1981 | CA1107183A1 Tube guide-expander |
| 08/06/1981 | WO1981002119A1 A flange forming drill means |
| 08/06/1981 | WO1981002118A1 A flange forming drill means |
| 06/23/1981 | CA1103582A1 Rotatable piercing tools for forming bossed holes |
| 05/27/1981 | EP0029380A1 Method of forming a bead in the wall of a metallic tube |
| 05/13/1981 | EP0028507A1 A method of shaping metal |
| 04/21/1981 | US4262517 Method of correcting distorted pipe end |
| 04/14/1981 | US4261274 Deformation properties of the edge of a deep-drawn metal can |
| 03/31/1981 | CA1098296A1 Device for edging the points of ball pens in particular those made of hard material |
| 02/03/1981 | US4248075 Method of forming aperture with rounded edges in sheet material |
| 01/07/1981 | EP0022122A1 Bending machine |
| 01/07/1981 | EP0021591A2 Anti-slip grating |
| 01/06/1981 | US4242898 Machine for bending the edges of rectangular sheets of metal |
| 12/24/1980 | WO1980002856A1 Beveled lobe anti-skid grating and method of manufacturing same |
| 11/25/1980 | US4235013 Tube guide-expander |
| 10/29/1980 | EP0017660A1 Hydraulic press |
| 10/28/1980 | CA1088284A1 Method and apparatus for flanging a length of spirally wound corrugated pipe |
| 10/07/1980 | US4226107 Device for edging the points of ball pens in particular those made of hard material |
| 10/07/1980 | CA1086996A1 Flaring tool |
| 09/23/1980 | CA1086260A1 Method and apparatus for the extrusion of burred edges of holes in a metal sheet, as well as a sheet with one or more extruded burr holes formed in accordance with said method |
| 09/02/1980 | US4220106 Process and apparatus for annealing can bodies |
| 09/02/1980 | CA1084781A1 Method and apparatus for forming a cylindrical metal can body |
| 08/26/1980 | US4218909 Plate bender |
| 08/12/1980 | US4216663 Rotatable laundry machine drum |
| 07/22/1980 | US4213323 Method and apparatus for extruding a burred edge of a hole in a metal sheet |
| 07/15/1980 | CA1081548A1 Method of forming a pressure resistant end shell for a container |
| 07/01/1980 | US4210008 Machine for pinch rolling, deburring and the like |
| 06/03/1980 | US4205549 Apparatus for preparing a liquid sample |
| 01/29/1980 | US4185487 Side access cleat former apparatus and method of use |
| 01/29/1980 | US4185486 Rotatable piercing tools for forming bossed holes |
| 01/01/1980 | US4181002 Tools for bending sheet metal |
| 12/11/1979 | US4177664 Combined blank forming and bending tool |
| 10/16/1979 | US4170890 Punch and die assembly for use in the production of heat exchanger fins |
| 10/16/1979 | US4170889 Method and apparatus for roll-forming an end plate |
| 10/09/1979 | US4170691 Overcomes the problems of slack strands |
| 08/07/1979 | CA1059839A1 Process and apparatus for making metal outers and inners |
| 07/31/1979 | CA1059382A1 Apparatus and method for trimming and deburring the edges of cylindrical metal bodies |
| 05/22/1979 | US4155238 Metal web handling method, apparatus and coil construct |
| 05/02/1979 | EP0001645A2 Method of forming inwardly flanged curved members and/or inwardly flanged curved members, and application in laundry appliances |
| 04/17/1979 | US4150279 Ring rolling methods and apparatus |
| 04/10/1979 | US4148205 Reverse bending tool |
| 03/27/1979 | US4145907 Metal edge turning power tool |
| 12/12/1978 | CA1044163A1 High pressure fuel injection pipe and a method of making the same |
| 10/03/1978 | US4117704 Method and apparatus for producing a bent angle piece from a sheet-metal |
| 09/12/1978 | US4113133 Rolled edge in cans |
| 08/29/1978 | US4109599 Method of forming a pressure resistant end shell for a container |
| 08/22/1978 | US4108589 Tool for flaring plastic pipe |
| 07/04/1978 | US4098108 Punch and die assembly for use in the production of heat exchanger fins |
| 06/06/1978 | US4092840 Device for flanging the edges of sheet sections |
| 05/16/1978 | US4089204 Deburring apparatus |
| 05/09/1978 | US4087998 Curling die apparatus |
| 04/25/1978 | US4085489 Process for fabricating hollow races or wheels provided at their lateral ends with axle stumps in which process substantially no chips are produced; and races and wheels manufactured in accordance with this process |
| 04/04/1978 | US4081987 Curling punch |
| 03/21/1978 | US4079614 Method and apparatus for flanging a length of spirally wound corrugated pipe |
| 03/14/1978 | US4078940 Concrete reinforcing elements and reinforced composite incorporating same |
| 01/31/1978 | US4071127 Method of working for bending metal material and thereby obtained friction core plate of friction clutch |
| 01/31/1978 | US4070888 Apparatus and methods for simultaneously necking and flanging a can body member |
| 01/24/1978 | US4069698 Arrangement for forming form pieces by point rolling |
| 01/17/1978 | US4068515 Flaring tool |
| 12/27/1977 | US4064727 Roll forming machine |
| 12/13/1977 | US4062701 Method of forming end flanges |
| 10/25/1977 | US4055067 Method and a punch/die assembly for the production of heat exchanger fins |
| 09/06/1977 | US4046090 Apparatus and method for making decorative tiles |
| 09/06/1977 | US4045993 Fender flanging apparatus |
| 08/16/1977 | US4041751 Burring device with oppositely acting deburring elements |
| 04/19/1977 | US4018176 Apparatus for spin flanging containers |
| 04/19/1977 | US4018073 Apparatus for shaping wire and ribbon structures obtained by slitting metallic coil stock |
| 03/29/1977 | US4014226 Pliers with modified jaws for use in auto body repair |
| 02/22/1977 | US4008592 Method and apparatus for flanging a length of spirally wound corrugated pipe |
| 02/08/1977 | US4006757 Pipe bell end having a thickened portion and apparatus for forming the bell end |
| 01/11/1977 | US4002049 Forming tool for use in a die assembly |
| 12/28/1976 | US3999576 Method for manufacturing tubular sleeve |
| 11/30/1976 | US3994251 Apparatus and method for trimming and deburring the edges of cylindrical metal bodies |
| 11/30/1976 | US3994150 Method of making improved concrete reinforcing elements |
| 11/02/1976 | US3988914 Isothermal metal forming apparatus |
| 11/02/1976 | US3988913 Isothermal metal forming apparatus |
| 09/21/1976 | US3981068 Method of making a sheet metal hub assembly |
| 05/04/1976 | US3953953 Concrete reinforcing elements and reinforced composite incorporating same |
| 04/20/1976 | US3951083 Device for forming a smooth, i.e. in particular a crease- and undulation-free inwards convex flange-bearing edge-groove or -corrugation onto the open end of a metal hollow body or container formed in a press |
| 04/06/1976 | US3947950 Apparatus and method for beading tubes |
| 03/30/1976 | US3946588 Methods of and apparatus for edge-forming metallic plates |
| 03/16/1976 | US3944782 Isothermal metal forming |