Container with audible freshness locking system
US8403160B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 7, 2008 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Jan 27, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention concerns a container comprising a container body with bottom and side walls and a container opening, and a container closure (1), said body and closure comprising corresponding screw threads (3) to allow releasable attachment of the closure onto the body in order to open/close the container opening, characterized in that the container body comprises at least one cam-like means (4) located on the external surface of the container body walls, and the closure comprises at least one engagement means (5) corresponding to the cam-like means of the container body, said engagement means being located at the internal surface of the closure walls, so positioned that during the screwing operation of said closure onto said container body, said cam-like and engagement means cooperate in a audible manner at the time said closure is sufficiently engaged onto the body to ensure gas and/or liquid tightness of the closed container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.