| Patents for B21D 51 - Making hollow objects (8,973) |
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| 10/03/1990 | EP0390355A1 Maintaining a preferred vibration mode in an annular article |
| 10/03/1990 | EP0390222A1 Container with bung |
| 09/30/1990 | CA2013567A1 Drum with plug |
| 09/28/1990 | CA2012930A1 Maintaining a preferred vibration mode in an annular article |
| 09/26/1990 | EP0389078A2 Method of making pressurised-gas bottles |
| 09/26/1990 | EP0371018A4 A method of forming metal |
| 09/25/1990 | CA1274479A1 Can, as well as a process and a diaphragm for the closing and sealing thereof |
| 09/18/1990 | US4956906 Method of preparing pre-distorted images for decorating a shaped blank |
| 09/12/1990 | EP0386717A2 Procedure for the production of a ventilation grille |
| 09/12/1990 | CN2061875U Rolling machine for hollow container |
| 09/11/1990 | US4956536 Device for pre-calibrating hollow cylindrical bodies in seam welding machines |
| 09/11/1990 | US4955223 Method and apparatus for forming a can shell |
| 09/05/1990 | CN1045046A Melthod and apparatus for ensuring dimensional accuracy of frusto-phramidal can body |
| 09/05/1990 | CN1045045A Apparatus for rotating top ends of cans |
| 09/05/1990 | CN1045044A Apparatus and method for crimping end of can body |
| 09/05/1990 | CN1045043A Method for making stainless steel kettle by integral drawing |
| 08/29/1990 | EP0384427A1 Apparatus and method for crimping end of can body |
| 08/28/1990 | US4951847 Two-chamber compressed-gas pack |
| 08/23/1990 | WO1990009321A1 Thin, deep-drawn can |
| 08/22/1990 | EP0383052A1 Method and device for ensuring the dimensional accuracy of a truncated pyramid-shaped can body |
| 08/22/1990 | CA2010555A1 Apparatus and method for crimping end of can body |
| 08/16/1990 | EP0381888A1 Improved easy open can end and method of manufacture thereof |
| 08/16/1990 | CA2009415A1 Method and apparatus for ensuring the dimensional accuracy of a frusto-pyramidal can body |
| 08/15/1990 | CN1044606A Rotary cup infeed |
| 08/15/1990 | CN1009172B Conveyor device for can bodies in can welding machine |
| 08/15/1990 | CN1009171B Rounding apparatus for can welding machine |
| 08/14/1990 | US4947667 Method and apparatus for reforming a container |
| 08/08/1990 | EP0380662A1 Method of manufacturing draw-formed container |
| 08/07/1990 | US4947014 Method and apparatus for producing can bodies of a non-circular cross-section |
| 08/07/1990 | US4947013 Apparatus for the guiding of can bodies of a non-circular cross-section |
| 08/07/1990 | US4945748 Apparatus for the manufacture of four-sided sheet metal containers |
| 08/07/1990 | US4945742 Monitorable and compensatable feedback tool and control system for a press |
| 08/01/1990 | EP0379875A2 Device for manufacturing a sealing diaphragm |
| 07/26/1990 | WO1990007994A1 Process for producing a lateral sealing link |
| 07/25/1990 | EP0378733A1 Method for seaming packed cans |
| 07/19/1990 | DE3907530A1 Spherical head for hip joint endoprosthesis |
| 07/19/1990 | DE3900861A1 Verfahren zum herstellen einer dichtenden verbindungsrandpartie A method for producing a sealing connection edge portion |
| 07/18/1990 | EP0441773A4 A closure system and method of forming and using the same. |
| 07/18/1990 | EP0377985A1 Manufacture of metal can bodies |
| 07/11/1990 | EP0377219A1 Device for causing the edges of metallic kegs to bulge |
| 07/10/1990 | US4939918 Monitorable and compensatable feedback tool and control system for a press |
| 07/04/1990 | CN1008607B Method and device for stamping container |
| 07/03/1990 | US4939665 Monitor and control assembly for use with a can end press |
| 07/03/1990 | US4938051 Method of forming a drum or pail closure |
| 07/03/1990 | US4938000 In a crimper head |
| 06/28/1990 | DE3902163A1 Method and apparatus for strengthening a container seam |
| 06/28/1990 | DE3844164A1 Method for the production of pressure vessels |
| 06/27/1990 | EP0374341A1 Bottle with a concave base and method of manufacturing same |
| 06/26/1990 | US4936729 Press with external tooling arrangement |
| 06/26/1990 | US4936130 Apparatus for altering the cross-sectional shape of can bodies |
| 06/21/1990 | DE3842793A1 Method for the production of a viewing window in a can |
| 06/20/1990 | EP0373845A2 Rotary cup infeed |
| 06/19/1990 | US4934552 Sealed vessel and a process for producing the same |
| 06/19/1990 | US4934168 Die assembly for and method of forming metal end unit |
| 06/19/1990 | US4934167 Can body making apparatus |
| 06/12/1990 | US4932823 Can end tab sensing apparatus |
| 06/12/1990 | US4932822 Press and transfer tool |
| 06/06/1990 | EP0371897A1 Process for the decoration of a conformable model, use of this process and product obtained |
| 06/06/1990 | EP0371018A1 A method of forming metal. |
| 06/06/1990 | CN1008260B Sheet metal blank for producing body of cans |
| 06/05/1990 | US4930658 Easy open can end and method of manufacture thereof |
| 05/30/1990 | CN1042469A Carbon steel anticorrosion-rust prevention vessel and its mfg. method |
| 05/29/1990 | US4928511 For moving cylindrical cups |
| 05/22/1990 | US4927043 Necked-down can having a false seam and an apparatus to form same |
| 05/17/1990 | DE3937569A1 Falzwerkzeug Folding tool |
| 05/16/1990 | CN1042100A Method for producing shell of metal jar and metal jar thereof |
| 05/15/1990 | USRE33217 Buckle resistance for metal container closures |
| 05/10/1990 | DE3937085A1 Beer barrel with buffer rims - made of metal inserts embedded in specified polymer |
| 05/01/1990 | CA1268304A1 Process for manufacturing twin layer bottoms with filling of the hollow space |
| 04/26/1990 | DE3935412A1 Inner support wall for fuel tank - has one or more internal support walls to prevent crushing, each wall having flanged edges which align against inside wall of tank |
| 04/26/1990 | DE3840241A1 Apparatus for the production of heatable containers and a heatable container |
| 04/25/1990 | EP0365063A1 Method of manufacturing a seam connection |
| 04/24/1990 | US4918956 Monitorable and compensatable feedback tool and control system for a press using a solid tool backup element |
| 04/24/1990 | CA1268024A1 Scored concave-convex rupture disk and method of manufacture |
| 04/17/1990 | CA1267854A2 Shell for can |
| 04/11/1990 | EP0363285A1 Easy to open aluminium protective capsule, and process for its manufacture |
| 04/11/1990 | EP0362458A2 Can top opening assembly and method of making same |
| 04/10/1990 | US4915562 Rupturable can member as well as method and apparatus for its production |
| 04/10/1990 | US4915254 Closure unit made of sheet metal or plating, method of manufacturing such a closure unit and container having a closure unit obtained thereby |
| 04/10/1990 | US4914937 Method for forming tall tapered containers |
| 04/04/1990 | EP0362154A1 An automatic machine for folding flat pre-creased die-cuts into tubular shape |
| 04/04/1990 | CN1007412B Method of and apparatus for forming a reinforced can end |
| 03/28/1990 | EP0360703A2 Method of making a non-cutting score line, and products so obtained |
| 03/28/1990 | EP0205494B1 Drum or pail closure |
| 03/27/1990 | US4912292 Alignment tool |
| 03/27/1990 | US4910921 Rolling edge punch assembly |
| 03/21/1990 | EP0358960A1 Container with a bung |
| 03/21/1990 | CN1040526A Method and apparatus for forming, reforming and curling shells in single press |
| 03/20/1990 | US4909393 Container reconfiguring system |
| 03/15/1990 | DE3830383A1 Apparatus for the production of can bodies |
| 03/13/1990 | CA1266606A1 Method and apparatus for making sheets round, particularly for can bodies |
| 03/08/1990 | WO1990002412A1 Compound application detector |
| 03/08/1990 | WO1990002016A1 Z-bar for forming can material |
| 03/07/1990 | EP0356975A2 Method and apparatus for transferring relatively flat objects |
| 03/07/1990 | EP0356874A1 Metal containers |
| 03/06/1990 | US4905859 Metal packaging can and method of making it |
| 02/28/1990 | EP0356269A2 Method and device for producing barrel drums |
| 02/28/1990 | EP0355647A2 Container having a bung |
| 02/28/1990 | EP0140924B1 Improved method and apparatus for making a necked container |
| 02/27/1990 | US4904140 Dual lane conversion system |