Device for preserving and releasing a product contained in a reservoir having a rupturable wall
US8584839B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2009 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | May 18, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/058
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a removable device for preserving and releasing a product contained in a reservoir (2) having a rupturable wall. Said device is in the form of a stopper (1) intended to be fitted on a container (5), and comprises: The cap (3) and the insert (4) delimit a rigid chamber (10) of variable volume, containing at least one reservoir (2) containing said product and at least one opening (11) for releasing the product in the container (5).Means enable the cap (3) and the insert (4) to be moved closer together, reducing the volume of the chamber (10) and rupturing the reservoirs (2). These means consist of a screw thread (30) present on the cap (3) and engaging with the screw thread (51) on the neck (50).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.