| Patents for B21D 51 - Making hollow objects (8,973) |
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| 04/10/1984 | US4441354 Process for manufacturing thin unitary hollow metal bodies |
| 04/04/1984 | EP0105026A1 Method of producing a can lid |
| 03/27/1984 | US4439246 Method of making hollow bodies under pressure from aluminum alloys |
| 03/27/1984 | US4439082 Apparatus for threading closures |
| 03/27/1984 | US4439081 Container produced by triple drawn method using tin coated steel |
| 03/21/1984 | EP0103439A1 Methods of prestressing and methods of manufacturing tubular apparatus |
| 03/21/1984 | EP0103074A2 Increased strenght for metal closures through reversing curved segments |
| 03/21/1984 | EP0103027A1 Method and apparatus for manufacturing metal can |
| 03/20/1984 | US4437290 Machine for crimping in a controlled atmosphere |
| 03/20/1984 | CA1163933A1 Easy opening end unit with tapered score |
| 03/13/1984 | US4435969 Spin-flanger for beverage containers |
| 03/13/1984 | CA1163584A1 Lightweight container |
| 03/06/1984 | US4434641 Buckle resistance for metal container closures |
| 02/08/1984 | EP0100163A1 Method of manufacturing tri-pot universal joint housings |
| 02/01/1984 | EP0099490A1 Open-end spinning rotor shaped without cutting and method of manufacturing such a spinning rotor |
| 01/17/1984 | CA1160486A1 Method of manufacturing cartridge cases |
| 01/10/1984 | US4424698 Tool for coining |
| 01/03/1984 | US4423823 Metal can |
| 01/03/1984 | CA1159719A1 Method for producing lids from sheet-metal, more particularly from iron or steel sheet, for containers, especially cans |
| 12/27/1983 | CA1159314A1 Double action press having floating punch |
| 12/20/1983 | US4420959 Apparatus for threading closures |
| 12/13/1983 | US4420283 Method of forming an outwardly inverted peripheral edge on a preformed metal lid |
| 12/13/1983 | CA1158535A1 Method for making helically wound surface-coating tubes, and apparatus for carrying out this method |
| 12/06/1983 | US4418560 Shell layer wrapping machine and method of positioning vessel sections of a multi-layer vessel |
| 12/06/1983 | US4418557 Making a seamless spherical case |
| 11/22/1983 | US4417117 Transporting can bodies for a fully automated resistance welding machine |
| 11/22/1983 | US4416576 Method of forming score in can end plate and method of attaching tab to the same for facilitating the opening of can |
| 11/22/1983 | US4416142 Apparatus for simultaneously forming a cap member with internal threads |
| 11/22/1983 | US4416133 Automatic machine for finishing cookware body blanks |
| 11/16/1983 | EP0094344A2 Thin-walled cask and tool for making high-precision corrugations |
| 11/08/1983 | US4413497 Method of forming domed end for container |
| 11/08/1983 | US4413400 Apparatus and process for nesting drum bodies |
| 10/19/1983 | EP0091699A2 Improvement in or relating to apparatus for forming a seal on a closure and to a closure having a seal formed from a foamed adhesive material |
| 10/18/1983 | CA1155431A1 Precision fit lid filling machine |
| 10/13/1983 | WO1983003374A1 Method for the manufacture of a conical tubular member, and a member manufactured according to the method |
| 10/11/1983 | US4408697 Opening means having cutting guide |
| 10/11/1983 | US4408390 Apparatus and process for nesting drum bodies |
| 10/05/1983 | EP0020687B1 Closed disposable container |
| 10/04/1983 | US4407428 Cap for a paper core |
| 09/27/1983 | US4406199 Apparatus for making collars having an integral notcher |
| 09/21/1983 | EP0088968A1 A method for further forming a metal closure and a metal container end |
| 09/21/1983 | EP0088779A1 Welding support fabricated from sheet metal |
| 09/20/1983 | US4404837 Press transfer bar |
| 09/20/1983 | CA1153878A1 Method and apparatus for constructing cylindrical storage tanks |
| 09/15/1983 | WO1983003066A1 Method and apparatus for manufacturing metal can |
| 09/14/1983 | EP0088094A1 Method and apparatus for the manufacture of metal components. |
| 09/13/1983 | US4403710 Easily-openable heat seal lid |
| 09/13/1983 | US4403493 Method for necking thin wall metallic containers |
| 09/06/1983 | US4402202 Method and apparatus for roll flanging container bodies |
| 08/30/1983 | CA1152793A1 Method and apparatus for blanking, folding and inserting membrane into container covercap |
| 08/23/1983 | US4399679 Method and apparatus for threading closures |
| 08/09/1983 | US4397597 Method for threading closures |
| 08/09/1983 | US4397073 Method for assembling container halves |
| 08/09/1983 | CA1151612A1 Container closing machine |
| 08/04/1983 | WO1983002577A1 Method of forming containers |
| 07/20/1983 | EP0083909A1 Automatic seam sealing machine for cylindrical metal containers |
| 07/19/1983 | US4393681 Method of manufacturing hermetic sealing member |
| 07/12/1983 | US4392764 Necked-in container body and apparatus for and method of forming same |
| 07/12/1983 | US4392580 Closure cap |
| 07/12/1983 | US4392372 Method and apparatus for flanging tube ends |
| 07/12/1983 | US4392295 Method and apparatus for forming drum seam |
| 06/21/1983 | US4389147 Can support system |
| 06/21/1983 | CA1148412A1 Means and method for assembling container halves |
| 06/14/1983 | US4387498 Method for making helically wound surface-coated tubes, and apparatus for carrying out this method |
| 06/08/1983 | EP0080791A2 Method of and apparatus for shaping neck and providing terminal curl on can end |
| 05/25/1983 | EP0079690A1 Apparatus for producing metal vessels |
| 05/25/1983 | EP0079622A2 Apparatus for assembling container halves |
| 05/18/1983 | EP0079294A1 Device to fix a pull tab on a wall |
| 05/18/1983 | EP0079136A1 Process for preparation of metal vessels |
| 05/17/1983 | CA1146489A1 Container produced by triple drawn method using tin coated steel |
| 05/17/1983 | CA1146420A1 Dome tooling to eliminate tab protrusion of a can end |
| 05/11/1983 | EP0078360A2 Assembly head for assembling domed can ends with can bodies |
| 05/10/1983 | US4382737 Can end making apparatus |
| 05/03/1983 | CA1145519A1 Simultaneously molded threaded port and plug |
| 04/20/1983 | EP0076807A1 Metal can bodies. |
| 04/19/1983 | US4380165 Squeezer flanger |
| 04/14/1983 | WO1983000822A3 Method and apparatus for the manufacture of metal components |
| 04/13/1983 | EP0076634A1 Process for preparation of metallic bottles |
| 04/12/1983 | CA1144492A1 Containers |
| 03/31/1983 | WO1983001025A1 Welding support fabricated from sheet metal |
| 03/30/1983 | EP0075427A2 Metal vessel having circumferential side seam and process for production thereof |
| 03/30/1983 | EP0075287A2 Apparatus and method for the series production of a valve mounting cup provided with a gasket for an aerosal container, and such a valve mounting cup |
| 03/30/1983 | EP0075069A2 Method of forming domed end for container |
| 03/30/1983 | EP0075068A2 Necked-in container body and apparatus for and method of forming same |
| 03/22/1983 | US4377363 Stacking mechanism |
| 03/22/1983 | US4377313 Thin-walled bearing bushings produced in the drawing process |
| 03/22/1983 | US4377084 Press apparatus having resilient stop blocks |
| 03/17/1983 | WO1983000841A1 Method for severing laminates |
| 03/17/1983 | WO1983000822A2 Method and apparatus for the manufacture of metal components |
| 03/02/1983 | EP0072891A1 Method of and device for conically widening metal tubes by compressed air |
| 02/15/1983 | US4373370 Press transfer bar |
| 02/15/1983 | CA1141311A1 Container intended for contents under pressure together with a method for the manufacture of such a container |
| 02/08/1983 | US4372720 Forming of end closures |
| 02/08/1983 | US4372719 Annealing of end rim |
| 02/08/1983 | US4372459 Annular seam between two container body halves |
| 02/08/1983 | US4372143 Apparatus for forming a domed bottom in a can body |
| 02/01/1983 | CA1140397A1 Process for the manufacture of rings for lids for cans |
| 02/01/1983 | CA1140318A1 Method of manufacturing pressure vessels by heat forming |
| 01/26/1983 | EP0070790A1 Process for manufacturing hollow bodies for pressure containers from an aluminium alloy |
| 01/18/1983 | CA1139619A1 Can beading apparatus |