| Patents for B21D 51 - Making hollow objects (8,973) |
|---|
| 09/09/1981 | EP0035245A1 Improvements in or relating to methods of and/or apparatus for flanging tube ends |
| 09/03/1981 | WO1981002399A1 Blank and draw press tool |
| 08/18/1981 | US4284023 Method of producing an easily openable container closure having a shell and a sealing member |
| 07/28/1981 | US4280976 Simultaneously molded threaded port and plug |
| 07/28/1981 | US4280427 Easy open can end |
| 07/28/1981 | US4280353 Machine with pneumatic stripping |
| 07/22/1981 | EP0032212A2 Apparatus and method for the lubrication of cans |
| 07/21/1981 | CA1105327A1 Metallic or composite packaging units assembled by the crimping method, and tooling for their manufacture |
| 07/15/1981 | EP0032115A2 Improved pressure release closure |
| 07/14/1981 | US4278711 Cylinders, rotation, atomizing, coating |
| 07/08/1981 | EP0031673A2 Method of obtaining a seal upon the interior surface of a container closure |
| 07/08/1981 | EP0031644A1 Method and apparatus for accurately positioning a container and a lid of a series of precut lids |
| 07/07/1981 | US4276843 Dome tooling to eliminate tab protrusion of a can end |
| 07/07/1981 | CA1104429A1 Method for the making of can ends |
| 07/01/1981 | EP0031254A2 Method of forming metal cans |
| 06/25/1981 | WO1981001695A1 Containers |
| 06/24/1981 | EP0030649A2 Process for the production of lids made of sheet metal for containers, especially cans |
| 06/23/1981 | US4274351 Can end closure |
| 06/23/1981 | CA1103523A1 Transport installation and method of transporting can bodies for a fully automated resistance welding machine |
| 06/16/1981 | US4272977 Method and apparatus for necking-in and flanging a container body |
| 06/16/1981 | CA1103096A1 Drum seaming machine with column positioning and stroke limiting arrangement |
| 06/09/1981 | US4271778 Container seaming chuck |
| 06/09/1981 | US4271777 Apparatus for reforming round cans into rectangular cans |
| 06/09/1981 | CA1102719A1 Container for pressurized products |
| 06/09/1981 | CA1102629A1 Single-cam actuated drum seaming mechanism |
| 06/02/1981 | US4270475 Method of forming a flush-sided container |
| 05/19/1981 | US4267938 Resealable pressure release closures |
| 05/12/1981 | US4266688 Easy access tab for vacuum packed products |
| 05/12/1981 | US4266685 Can body and method for making same |
| 04/28/1981 | US4264017 Container shape |
| 04/28/1981 | US4263860 Seal drum with end closure having reinforced seams |
| 04/28/1981 | US4263800 Method of forming a nestable container |
| 04/21/1981 | US4262510 Support pedestals |
| 04/14/1981 | US4261274 Deformation properties of the edge of a deep-drawn metal can |
| 04/14/1981 | US4261193 Necked-in aerosol container-method of forming |
| 04/07/1981 | US4260310 Strip feed elevator |
| 03/31/1981 | US4258859 No-fin scored metal ends for containers |
| 03/31/1981 | CA1098636A1 Bonded can having high hot water resistance and undercoating composition for use in production thereof |
| 03/31/1981 | CA1098294A1 Method of making housing cover and tube |
| 03/25/1981 | EP0025621A1 Method for the manufacture of a container intended for contents under pressure |
| 03/24/1981 | US4257341 Spring pressure adjusting tool for can closing machine |
| 03/24/1981 | CA1097985A2 Method and apparatus for making thin containers |
| 03/17/1981 | US4256528 Machine for forming openings sealed by manually removable lengths of tape in can ends |
| 03/10/1981 | US4254890 Non-sliver scored metal end |
| 03/10/1981 | US4254886 Can body having a laterally projecting flange |
| 03/03/1981 | US4253584 Ring and closure for cans |
| 02/25/1981 | EP0024190A1 Push-in closures |
| 02/24/1981 | US4252244 Layered pressure vessel head with machined surfaces |
| 02/17/1981 | US4250686 Cap seal fitting machine for a container |
| 01/28/1981 | EP0023090A1 Method and apparatus for closing a thin-walled hollow can body |
| 01/27/1981 | US4246770 Apparatus for operating on hollow workpieces |
| 01/27/1981 | CA1094472A1 Pressure release closure |
| 01/22/1981 | WO1981000094A1 Roller for a conveyer and method of making it |
| 01/20/1981 | CA1093988A1 Container construction |
| 01/20/1981 | CA1093987A1 Container |
| 01/14/1981 | EP0022301A1 Method for providing rolling ring on a metal barrel |
| 01/13/1981 | US4244315 Method for the manufacture of a can lid having a triple-fold pushdown gate |
| 01/13/1981 | CA1093390A1 System for production of metal tear tabs |
| 01/07/1981 | EP0020926A1 Method for necking thin wall metallic containers and drawn container produced by this method |
| 12/30/1980 | US4241848 Container processing apparatus |
| 12/30/1980 | US4241844 Aerosol dispensing and similar metal cans, and process for the production thereof |
| 12/30/1980 | US4241491 Method of installing captive type spark plug gasket with low profile locking tabs |
| 12/30/1980 | CA1092444A1 Manufacture of foil containers |
| 12/30/1980 | CA1092443A1 Can cutting apparatus and method |
| 12/16/1980 | US4238949 Process and apparatus for making metal outers and inners |
| 12/10/1980 | EP0020099A1 Method of forming a can |
| 12/09/1980 | CA1091170A1 Molded flange for drums or other containers |
| 11/26/1980 | EP0019394A1 Two-piece container and method of assembling the container halves |
| 11/26/1980 | EP0019033A1 Method of manufacturing a pressure container, in particular a pressure accumulator |
| 11/11/1980 | US4233331 Method of securing opener key to a container using oriented polypropylene film with solventless acrylic adhesive |
| 11/11/1980 | US4232622 Method of making a container closure |
| 10/28/1980 | US4230659 Method for forming a rupturable area in a container |
| 10/28/1980 | US4230058 Method and apparatus for manufacturing box-shaped structure from metal sheet |
| 10/28/1980 | US4230028 Machine for installing inserts in container lids |
| 10/15/1980 | EP0017145A1 Process for manufacturing surface-coated pipes by winding, and apparatus for carrying out this process |
| 10/14/1980 | US4227619 Bottle cap with ring shaped tearing element |
| 10/07/1980 | US4226201 Equipment for forming can bodies |
| 09/30/1980 | US4224888 Method for forming cans |
| 09/30/1980 | US4224732 Method of manufacturing a container |
| 09/23/1980 | US4223798 Can for preserving foodstuffs and process for its manufacture |
| 09/23/1980 | US4223619 Baking pan and method of forming same |
| 09/23/1980 | CA1086148A1 Method of manufacturing coated metal containers |
| 09/23/1980 | CA1086112A1 Process for producing tubular articles |
| 09/16/1980 | US4223196 Welded tubular articles and method for making the same |
| 09/16/1980 | US4222494 Container |
| 09/09/1980 | US4221105 Method and apparatus for applying closures to containers |
| 09/09/1980 | CA1085358A1 Machine for sealing food containers |
| 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 | US4219427 Conically shaped metal screen bodies and method for manufacturing such bodies |
| 08/26/1980 | US4218984 Drum seaming machine with column positioning and stroke limiting arrangement |
| 08/26/1980 | US4218983 Single-cam actuated drum seaming mechanism |
| 08/26/1980 | CA1084283A1 Homokinetic universal joint assembly |
| 08/19/1980 | US4217989 Tamper-proof closure |
| 08/19/1980 | US4217843 Method and apparatus for forming ends |
| 08/19/1980 | CA1083985A1 Tab system |
| 08/19/1980 | CA1083891A1 Tool for radially expanding the mouth of a hollow article |
| 08/19/1980 | CA1083890A1 Can body having a laterally projecting flange |
| 08/12/1980 | US4216736 Method and apparatus for forming no-fin scored metal ends |
| 08/12/1980 | US4216663 Rotatable laundry machine drum |