Cap without additional seal
US8376164B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2008 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/25
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is described a cap without additional seal for closing an opening of a neck of a container. The cap comprises a closing disc; a peripheral skirt sized to fit around the neck, the peripheral skirt. The cap also comprises a first annular sealing lip projecting downwardly from under the closing disc, near the opening of the neck, the first annular sealing lip being folded against the neck and toward the opening of the neck when the cap is attached onto the neck, thereby allowing neutralization of any backwash effect when the container is moved. The cap also comprise a second annular sealing lip external to the first annular sealing lip and positioned so as to be also folded against the neck, in a direction opposite to that of the first annular sealing lip when the cap is attached onto the neck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.