Cap assembly having storage chamber for secondary material with movable working member
US8336706B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Aug 28, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/2864
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap assembly having a storage chamber for a secondary ingredient, which is adapted to a mouth of a container, comprising: a body having a mouth; a chamber part having a storage space for secondary ingredient in the body and a hole formed at the lower end thereof; said chamber part is sealed by a movable working member and is opened when the movable working member is removed from the hole upon removing the cap so that the secondary ingredient may be mixed with the first ingredient in the container, said the movable working member being adapted to maintain the opened hole, after moving to open the hole, thereby effectively mixing of the different ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.