| Patents for B65D 17 - Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible member or portion (7,903) |
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| 01/07/1982 | WO1982000024A1 Improved single dose disposable container |
| 12/30/1981 | EP0042832A1 Package |
| 12/15/1981 | US4305523 Push-in closures |
| 12/15/1981 | US4305521 Beverage container with a straw |
| 11/25/1981 | EP0040277A1 Easy-open can cap with a ring pull tab |
| 11/24/1981 | US4301940 Easy open can end construction |
| 11/24/1981 | US4301939 Reclosable packing container |
| 11/24/1981 | US4301922 Package with surrounding binder |
| 11/24/1981 | CA1113041A1 Easy open beverage can - non-detach |
| 11/17/1981 | US4300328 Easily removable heat recoverable closure |
| 11/10/1981 | US4299329 Extrusion cover for containers |
| 10/29/1981 | WO1981003006A1 Tamper-evident closures |
| 10/27/1981 | CA1111379A1 Through hole deformation and inside sealing tear strip |
| 10/21/1981 | EP0038142A1 Closures for containers |
| 09/30/1981 | EP0036763A1 Method and apparatus for forming a closure of plastics material in an aperture in a metal substrate |
| 09/29/1981 | US4291806 Carton with venting arrangement |
| 09/15/1981 | US4289251 Non-detach easy opening container unit |
| 09/15/1981 | US4289250 Easy opening container with tab having separate opening element |
| 09/03/1981 | WO1981002416A1 Package provided with a multi layer cover |
| 09/01/1981 | US4286728 Tab and ecology end |
| 08/26/1981 | EP0034551A1 Method of tightly sealing containers by thin covers |
| 08/18/1981 | US4284199 Container with tear-opening arrangement |
| 08/12/1981 | EP0033449A1 Closure to be opened by tearing |
| 08/11/1981 | CA1106799A1 Container cover member having synthetic resin openable portion and method for making the same |
| 08/11/1981 | CA1106783A1 Closure assembly having a tear template |
| 08/04/1981 | CA1106299A1 Lanced scored and punched easy opening panel arrangements |
| 08/04/1981 | CA1106298A1 Reclosable pour opening structure for a packaging container and method of making same |
| 08/04/1981 | CA1106297A1 Inward embossed panel adjacent to punched hole in top end unit |
| 07/15/1981 | EP0032115A2 Improved pressure release closure |
| 07/07/1981 | US4276993 Easy-opening container with non-detach tab |
| 07/01/1981 | EP0030946A1 Process for manufacturing a laminated material and utilization thereof in packings and in the manufacturing of such packings |
| 06/24/1981 | EP0030649A2 Process for the production of lids made of sheet metal for containers, especially cans |
| 06/23/1981 | US4274541 Closure system for containers, in particular for non-returnable containers of semi-rigid material, made out of at least two dish-shaped parts which are joined together |
| 06/09/1981 | US4271982 Glue dispenser |
| 06/02/1981 | US4270665 Peelable adhesive structure and method for its manufacture |
| 05/19/1981 | US4268336 Method of manufacturing containers |
| 05/19/1981 | US4267938 Resealable pressure release closures |
| 05/19/1981 | US4267937 Tear opening device for containers |
| 05/19/1981 | US4267929 Lid arrangement for a ski wax can with a tear-off casing |
| 05/12/1981 | US4266698 Opening arrangement for packing containers of thin plastic film together with a packing container provided with the opening arrangement |
| 05/12/1981 | US4266688 Easy access tab for vacuum packed products |
| 05/05/1981 | US4265367 Easy opening top closure member for a container |
| 04/30/1981 | WO1981001128A1 Can closure provided with opening tab |
| 04/22/1981 | EP0027340A1 Easy opening container |
| 04/21/1981 | US4262815 Conical can end with a gate and opening tab at the cone apex |
| 04/07/1981 | US4260065 Unit liquid cup |
| 04/07/1981 | CA1098847A1 Closure system for containers, in particular for non- returnable containers of semi-rigid material, made out of at least two dish-shaped parts which are joined together |
| 03/31/1981 | US4258876 Reclosable pour opening structure for a packaging container and method of making same |
| 03/31/1981 | US4258863 Flexible dispensing container having internal container wall rupturing means |
| 03/24/1981 | US4257529 Easy-open retained tab structure for beverage can |
| 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 |
| 02/25/1981 | EP0024271A1 Bag-like tubular package, and process for its manufacture |
| 02/25/1981 | EP0024190A1 Push-in closures |
| 02/25/1981 | EP0024163A1 Pull tab with memory |
| 02/25/1981 | EP0024093A1 Easy-to-open lid for container |
| 02/11/1981 | EP0023525A1 Easy opening top closure member for a container |
| 01/27/1981 | CA1094472A1 Pressure release closure |
| 01/20/1981 | CA1094019A1 Easy open closure system |
| 01/13/1981 | US4244491 Container cover member having synthetic resin openable portion |
| 01/13/1981 | US4244490 Conical can end with push down gate |
| 01/13/1981 | US4244489 Pressure relief vent in a push-down gate for a can end |
| 01/13/1981 | US4244488 Plastic pull tab with memory |
| 01/13/1981 | US4244473 Composite packing |
| 01/07/1981 | EP0021843A1 Improvements in easy-opening ends for cans and the like |
| 01/06/1981 | US4243152 Tear-up closing device for containers |
| 01/06/1981 | CA1092996A1 Non-returnable container, comprising at least two dish-shaped parts joined together |
| 12/24/1980 | WO1980002828A1 Process for manufacturing a laminated material and utilization thereof in packings and in the manufacturing of such packings |
| 12/24/1980 | WO1980002827A1 Packing and manufacturing process thereof |
| 12/23/1980 | US4240481 Seal for flexible container having flexible, generally conical portions |
| 12/02/1980 | CA1090726A1 Easy-open push-tab end for metal containers and the like and method of making same |
| 11/26/1980 | EP0019424A1 A pull-tab with improved strength |
| 11/26/1980 | EP0019373A1 Self-storing pull strip for easy opening containers |
| 11/13/1980 | WO1980002410A1 Easy-to-open closure for container |
| 11/11/1980 | US4233331 Method of securing opener key to a container using oriented polypropylene film with solventless acrylic adhesive |
| 11/11/1980 | US4232797 Reclosable container |
| 11/04/1980 | US4231487 Pull tab having memory for effecting rolling up of tab and removable panel portion |
| 10/30/1980 | WO1980002272A1 Easy-to-open top container |
| 10/28/1980 | US4230659 Method for forming a rupturable area in a container |
| 10/16/1980 | WO1980002133A1 Easy-to-open lid for container |
| 10/14/1980 | US4227624 Pull tab closure |
| 10/14/1980 | US4227619 Bottle cap with ring shaped tearing element |
| 09/29/1980 | EP0015271A4 Reclosable container. |
| 09/17/1980 | EP0015271A1 Reclosable container |
| 09/17/1980 | EP0015264A1 Container with side wall, cover and tearing device produced as a unit |
| 09/16/1980 | CA1085752A1 Bottom end tape seal |
| 08/19/1980 | CA1083985A1 Tab system |
| 08/07/1980 | WO1980001558A1 Easy-to-open lid for container |
| 08/05/1980 | US4215794 Tab for easy-open can end |
| 08/05/1980 | US4215791 Easy open closure system |
| 08/05/1980 | US4215782 Non-returnable container, comprising at least two dish-shaped parts joined together |
| 08/05/1980 | CA1083056A1 Easy open container end assembly |
| 07/22/1980 | US4213538 Can end closure |
| 07/22/1980 | CA1082117A1 Container cover member having synthetic resin openable portion and method for making the same |
| 07/15/1980 | US4212395 Multi-angled perforated opening device |
| 07/08/1980 | US4211336 Container closure |
| 07/08/1980 | US4211335 Fracture resistant retained lever tab and method of manufacture |
| 07/01/1980 | US4210259 Barrier coated metallic container wall and sheet |
| 07/01/1980 | US4210258 Seal for plastic buckets and cans |
| 07/01/1980 | US4210257 Fracture and tear-resistant retained tab |