| Patents for B21D 51 - Making hollow objects (8,973) |
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| 05/31/1979 | WO1979000297A1 Method of making metal containers |
| 05/29/1979 | CA1055232A1 Assembly for two component closure |
| 05/22/1979 | US4155480 Push-in easy opening closures |
| 05/22/1979 | US4155439 Assembly system for container flexible end closures |
| 05/15/1979 | US4154184 Apparatus and methods for manufacture of can end member |
| 05/08/1979 | US4152997 Closing of containers |
| 05/08/1979 | CA1053986A1 Method of forming an opening tab in sheet metal container end closures |
| 05/02/1979 | EP0001645A2 Method of forming inwardly flanged curved members and/or inwardly flanged curved members, and application in laundry appliances |
| 05/01/1979 | US4152573 Can manufacturing method and device for carrying out the said method |
| 04/24/1979 | US4151314 Method of lining container closures |
| 04/24/1979 | CA1053081A1 Method for making container closures |
| 04/17/1979 | US4149479 Method for forming opening means in panel |
| 04/17/1979 | CA1052734A1 Tear-off closure and method of forming the same |
| 04/17/1979 | CA1052630A1 Nested tab safety closure |
| 04/10/1979 | US4148409 Permanently attaching end opening means |
| 04/10/1979 | US4148269 Method of making dripless metal can nozzle |
| 04/10/1979 | US4148121 Method and apparatus for manufacturing rotationally symmetrical constructional parts such as nozzles and combination chambers of rocket engines |
| 03/27/1979 | US4145986 Ring type calibrating cage |
| 03/27/1979 | US4145801 Method of forming an integral rivet for an easy open can end |
| 03/27/1979 | CA1051290A1 Method for the production of black plate with improved surface lubricity |
| 03/27/1979 | CA1051277A1 End panel for nested tab safety closure |
| 03/20/1979 | CA1050826A1 Can trimming apparatus |
| 03/13/1979 | US4143610 Container processing apparatus |
| 02/20/1979 | US4140072 Sensing apparatus for cyclically operated apparatus |
| 01/30/1979 | US4136629 Method of producing can covers and can covers obtained thereby |
| 01/30/1979 | CA1047326A1 Machine for partly coating articles |
| 01/24/1979 | EP0000438A1 Process for producing tubular articles |
| 01/23/1979 | US4135639 Closure construction |
| 01/23/1979 | CA1046859A2 Full open can end with improved frangible connection |
| 01/23/1979 | CA1046858A1 Method and apparatus for forming automotive wheel rim blanks |
| 01/16/1979 | US4134354 Method of making a container |
| 01/16/1979 | US4134207 Can bead cutting device |
| 01/02/1979 | US4132328 Panel with opening means |
| 01/02/1979 | US4131980 Method of making a tank |
| 12/21/1978 | WO1978000015A1 Ring type calibrating cage |
| 12/20/1978 | EP0000091A1 Improved pressure release closure |
| 12/19/1978 | US4130218 Easy opening end closure for a container |
| 12/19/1978 | US4130074 Tab system |
| 12/12/1978 | US4129152 Double wall helical pipe and strip configuration for forming same |
| 12/12/1978 | US4129085 Gated can end with shear offset defining gate and method for manufacture of the same |
| 12/12/1978 | US4129025 Method of fabricating an expulsion tank diaphragm |
| 12/12/1978 | US4129024 Method and apparatus for forming elongated, tapered wall shells |
| 12/12/1978 | CA1044163A1 High pressure fuel injection pipe and a method of making the same |
| 12/12/1978 | CA1043996A1 Pressure accumulator and method of forming same |
| 11/28/1978 | US4127378 Apparatus for cold-forming plastic sheet |
| 11/28/1978 | CA1043177A1 Can body trimmer |
| 11/28/1978 | CA1043176A1 Method of and apparatus for perforating the necks of aerosol containers |
| 11/28/1978 | CA1043175A1 Product transfer system |
| 11/28/1978 | CA1043060A1 Moulding apparatus |
| 11/14/1978 | US4125204 Gated can end with shear offset defining gate |
| 11/14/1978 | US4125080 System for production of metal tear tabs |
| 11/07/1978 | CA1041927A1 Easy-open ecology end |
| 10/31/1978 | US4122791 Method and apparatus for scoring an enameled metal surface |
| 10/24/1978 | US4121747 Storage tank construction procedures |
| 10/24/1978 | US4121528 Method of construction of a container with integral valve boss |
| 10/24/1978 | CA1040913A1 Tab scoring for containers and lids |
| 10/17/1978 | US4120190 Craft device for decoratively deforming metal cans and the like |
| 10/17/1978 | CA1040486A1 Process and apparatus for forming tearably detachable portion on sheet |
| 10/10/1978 | US4119050 Method for the manufacture of a can lid having a triple-fold, pushdown gate |
| 10/10/1978 | CA1040087A1 Formation of segments for containers and the like |
| 10/10/1978 | CA1040012A1 Process and apparatus for forming tearably detachable portion on sheet |
| 10/03/1978 | US4117708 Method of making housing cover and tube |
| 10/03/1978 | CA1039584A1 Method and apparatus for fabricating metal container |
| 10/03/1978 | CA1039482A1 Method of cold-joining metallic articles |
| 09/26/1978 | US4117188 Lapped seam can |
| 09/26/1978 | US4116361 Folded can end product |
| 09/26/1978 | US4116359 Through hole deformation and inside sealing tear strip |
| 09/19/1978 | US4114550 Apparatus for use in an automatic and continuous manufacture line for manufacturing the outer cylindrical cases of dry cells |
| 09/19/1978 | US4114417 Method and apparatus for making metal parts |
| 09/12/1978 | US4113133 Rolled edge in cans |
| 09/05/1978 | US4111142 Apparatus for heating seams of cans |
| 09/05/1978 | CA1037884A1 Container and method of forming same |
| 08/29/1978 | US4110493 System and method for coating container seams |
| 08/29/1978 | US4109600 Process for applying a threaded seat in a metal plate |
| 08/29/1978 | US4109599 Method of forming a pressure resistant end shell for a container |
| 08/22/1978 | US4108099 Method and apparatus for forming a coated container |
| 08/22/1978 | CA1036820A1 Method and apparatus for producing fibers from heat-softenable materials |
| 08/15/1978 | US4106422 Method for manufacture of can end closures |
| 08/15/1978 | US4106420 Apparatus for forming cans |
| 08/15/1978 | US4106321 Method of producing moulded parts |
| 08/15/1978 | US4106167 Frictional method and machine for seaming tubular sections |
| 08/08/1978 | US4105134 Pressure release closures |
| 07/25/1978 | US4102304 Apparatus for application of sealant |
| 07/25/1978 | US4102168 Rotary expansion tool |
| 07/18/1978 | US4100788 Blanking and forming press for sheet metal caps |
| 07/11/1978 | US4099475 Method of trouble-shooting can presses |
| 06/27/1978 | US4096815 Forming process |
| 06/27/1978 | US4096814 Container with outwardly flexible bottom end wall having integral support means and method of manufacture therefore |
| 06/27/1978 | US4096731 Method and a means for transferring articles, in particular semimanufactured articles or workpieces, between stations on machinery for working these articles mechanically |
| 06/20/1978 | US4095594 Method of manufacturing laminated shells |
| 06/20/1978 | US4095544 Heat treatment of cold-formed cup |
| 05/30/1978 | USRE29645 Product transfer system |
| 05/30/1978 | US4091757 Unitized can manufacturing system |
| 05/16/1978 | US4090004 Containers |
| 05/16/1978 | US4089283 Metallic container and method for making the same |
| 05/09/1978 | US4088242 Thin metal foil membrane can closure having an easy-open scoreline |
| 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 |
| 04/18/1978 | US4084721 Container with attached closure |
| 04/18/1978 | US4084525 Method of forming a hermetically sealed container and the tools used therewith |
| 04/11/1978 | US4083221 Parts forming apparatus and method |