Closure device
US4149651A · kind A · utility
13Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 15, 1976 |
| Grant date | Apr 17, 1979 |
| Priority date | — |
| Expiry date | Jan 15, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D39/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The functioning of the cap part of a closure device having a thin-walled packing container is improved by applying a non-perforating score to the cap part in a position perpendicular to the direction of pull of the pull ring of the cap part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.