Container seal
US5810189A · kind A · utility
17Cited by
13References
17Claims
0Family size
Inventor
Key dates
| Filing date | Nov 20, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Nov 20, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drinks can with a non-resealable ring pull seal includes an auxiliary sealing member supported inside the can by a leaf spring which urges it automatically to seal the opening formed on removal of the ring pull seal, the auxiliary member having an upstanding projection engageable by the user to depress the sealing member into the can for access to the contents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.