| Patents for B21D 51 - Making hollow objects (8,973) |
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| 08/05/1980 | US4215795 End structure for a can body and method of making same |
| 08/05/1980 | CA1083023A1 Method and device for bending section-sheet, plate, strip and like material |
| 07/29/1980 | CA1082537A1 Forming process |
| 07/22/1980 | US4213324 Punch press and method for making can ends with closures |
| 07/15/1980 | US4212184 Manufacture of foil containers |
| 07/15/1980 | CA1081549A1 Blanking and forming tapered wall articles |
| 07/15/1980 | CA1081548A1 Method of forming a pressure resistant end shell for a container |
| 07/15/1980 | CA1081547A1 Process for forming curved hollow elements and an apparatus for carrying out this process |
| 07/15/1980 | CA1081545A1 Ring type calibrating cage |
| 07/09/1980 | EP0013251A1 Closed disposable container |
| 07/08/1980 | US4211335 Fracture resistant retained lever tab and method of manufacture |
| 07/01/1980 | US4210477 Tube forming method |
| 07/01/1980 | US4210091 Automatic machine for continuously producing tinned strap caps fitted with opening devices and devices therefor |
| 06/26/1980 | WO1980001312A1 Closed metal container and manufacturing process thereof |
| 06/25/1980 | EP0012403A1 Method and device for manufacturing a cooking-pot |
| 06/24/1980 | US4208976 Tab applicator and bonding apparatus and method of utilizing the same |
| 06/24/1980 | US4208789 Container manufacturing apparatus |
| 06/24/1980 | CA1079937A1 Wrapping machine for layered vessels |
| 06/17/1980 | US4207761 Apparatus for flanging can bodies |
| 06/03/1980 | US4205755 Tamper-proof bottle closure |
| 06/03/1980 | US4205617 Double seam tightness control |
| 06/03/1980 | US4205549 Apparatus for preparing a liquid sample |
| 06/03/1980 | US4205546 Process for forming curved hollow elements and an apparatus for carrying out this process |
| 05/27/1980 | US4204641 Dispensing nozzle for sealing plastics |
| 05/20/1980 | US4203379 Metal tub made from flat metal sheets |
| 05/20/1980 | US4203205 Method and apparatus for the manufacture of a heat exchanger |
| 05/20/1980 | CA1077783A1 Method of and apparatus for deep-drawing of a container or the like from an aluminium material |
| 05/13/1980 | US4202287 Method of attaching tab to end panel |
| 05/13/1980 | US4202184 Homokinetic universal joint assembly |
| 05/06/1980 | CA1076889A2 Method and apparatus for making multi-layer spiral pipe |
| 04/29/1980 | US4200051 Collapsible tube and method of manufacture |
| 04/22/1980 | US4199672 Apparatus for curing coatings on welded longitudinal seams of can bodies |
| 04/22/1980 | US4199073 Can end configuration |
| 04/22/1980 | US4198843 Process for producing tubular articles |
| 04/16/1980 | EP0009987A1 Easy opening closure with a resealable pressure releasing device |
| 04/15/1980 | US4197956 Easily openable container closure having a shell and a sealing member |
| 04/15/1980 | US4197732 System for production of metal tear tabs |
| 04/01/1980 | US4195750 Molded flange for drums or other containers |
| 04/01/1980 | US4195747 Baking pan and method of forming same |
| 04/01/1980 | US4195509 Device for bending ring segment-shaped plate blanks into conically shaped parts |
| 03/18/1980 | US4193285 Method of deep-drawing of a container or the like from an aluminium material |
| 03/11/1980 | US4192244 Method of making can closures |
| 03/11/1980 | CA1073191A1 Storage tank construction procedures |
| 02/26/1980 | US4189824 Method and apparatus for making closure construction |
| 02/20/1980 | EP0008191A1 Metal end cover for a container and method for producing it |
| 02/20/1980 | EP0007970A1 Pressure accumulator |
| 02/19/1980 | US4188903 Closure-container combination and method for making the combination |
| 02/12/1980 | CA1071477A1 Method of making weakening lines in sheet metal |
| 02/06/1980 | EP0007487A1 Sealed can and preformed closure element therefor, as well as method and apparatuses for manufacturing them |
| 02/05/1980 | US4186678 Method of making easy-open, push-tab end for metal containers |
| 02/05/1980 | CA1071145A1 High speed bottle cap distributor, and corresponding bottle cap |
| 01/29/1980 | US4185758 Compartmentalized aerosol container |
| 01/29/1980 | US4185576 Apparatus for forming tamper-proof closures |
| 01/23/1980 | EP0007216A1 Container for pressurized products |
| 01/23/1980 | EP0007129A1 Method for joining body and bottoms of metal containers and containers so obtained |
| 01/23/1980 | EP0006957A1 Method of making metal containers. |
| 01/22/1980 | US4184444 Tapered plastic container with seamed metal end and method for making it |
| 01/15/1980 | US4183441 Container for pressurized products having a security label |
| 01/15/1980 | US4183315 Method and apparatus for making a can end seam |
| 01/15/1980 | US4183124 Method of and apparatus for fabricating spiral wrapped cartridge cases |
| 01/15/1980 | CA1069770A1 Machine for making can ends having rupturable closures |
| 01/09/1980 | EP0006957A4 Method of making metal containers. |
| 01/09/1980 | EP0006321A1 Apparatus for operating on hollow workpieces |
| 01/01/1980 | US4180959 Machine for sealing food containers |
| 12/25/1979 | US4179914 Container with outwardly flexible bottom end wall having integral support means apparatus for manufacture thereof |
| 12/18/1979 | CA1068198A1 Method for making tubular members and product thereof |
| 12/18/1979 | CA1068170A1 Production of closed bottom shells |
| 12/18/1979 | CA1068168A1 Metallic container and method for making the same |
| 12/12/1979 | EP0005934A1 Method and apparatus for applying closures to containers |
| 12/11/1979 | US4177746 Method of forming a container |
| 12/04/1979 | US4176536 Device for producing a bead on the circumference of a hollow cylinder |
| 12/04/1979 | CA1067349A1 Easy-opening can ends for beverage containers |
| 11/20/1979 | CA1066489A1 Method and apparatus for assembling aerosol valve |
| 11/14/1979 | EP0005194A2 Method and apparatus for the conical expanding of metal tubes |
| 11/13/1979 | USRE30144 Apparatus for spin flanging containers |
| 11/13/1979 | US4173883 Necked-in aerosol containers |
| 11/13/1979 | CA1066221A1 Tin orientation on tinplate |
| 10/30/1979 | CA1065197A1 Method and apparatus for making drawn containers |
| 10/16/1979 | US4170889 Method and apparatus for roll-forming an end plate |
| 10/09/1979 | US4170445 Apparatus for forming seal liner in crown shell |
| 10/09/1979 | US4170314 Container closure |
| 10/09/1979 | US4170312 Container |
| 10/09/1979 | CA1063950A1 Container and method of manufacturing same |
| 09/25/1979 | CA1063047A1 Containers |
| 09/19/1979 | EP0004252A1 Method for making a funnel for aerosol containers |
| 09/18/1979 | US4168136 Self-threading ribbon conveyor |
| 09/04/1979 | US4166424 Press apparatus and method utilizing same |
| 09/04/1979 | CA1061652A1 Container and method and apparatus for the manufacture of same |
| 08/28/1979 | CA1061091A1 Gasket inspection method |
| 08/21/1979 | CA1060815A1 Push-in easy-opening closures |
| 08/21/1979 | CA1060721A2 Articulated air lead-in linkage for can body maker |
| 08/07/1979 | CA1059839A1 Process and apparatus for making metal outers and inners |
| 08/07/1979 | CA1059838A2 Method of making corrugated flexible metal tubing |
| 08/07/1979 | CA1059837A2 Apparatus for making corrugated flexible metal tubing |
| 08/07/1979 | CA1059836A2 Apparatus for making corrugated flexible metal tubing |
| 07/31/1979 | US4162743 Tab system |
| 07/25/1979 | EP0003131A2 Pull-out blank in a sheet metal cabinet wall |
| 07/24/1979 | CA1058975A1 Tooling arrangement for end closure scoring |
| 07/17/1979 | CA1058454A1 Drawn and ironed containers and method of manufacture |
| 06/12/1979 | US4157693 Seamless drawn and ironed container with opening means and method and apparatus for forming the same |