Container closure system with vent opening through the closure tape
US4405056A · kind A · utility
20Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1982 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | May 17, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2517/5091
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An easy-openable tape closure for a container for gas-containing beverages and comprising an interior tape spanning a pour opening, an exterior tape sealed to the interior tape in the area of the pour opening and having a vent opening in the area of the pour opening. A pull tab is positioned over the exterior tape and sealed therethrough to the interior tape to provide means for rupturing the interior tape at the vent opening to vent the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.