Capsule having a pierceable plug to prevent backflow
US9561901B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2013 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | May 1, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/8043
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Capsule (9) for use in a beverage preparation machine (1), said capsule comprising side (10), bottom (12) and top (11) walls defining a closed chamber, said chamber containing an ingredient, said capsule further comprising a beverage dispensing wall able to open for releasing a beverage prepared from said ingredient and said fluid, said capsule further comprising a pierceable plug (14) located adjacent to the inner side of the injection wall of the capsule, and made of a resilient material, said plug having a thickness between 0.5 mm and 10 mm, and said plug having shape and dimensions such as to be pierced through by the fluid injection element (20) when said capsule is functionally inserted within said machine, characterized in that said plug (14) is supported by a plug supporting member (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.