Ingredient capsule for beverage preparation
US9745122B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 1, 2013 |
| Grant date | Aug 29, 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 capsule further comprising a beverage dispensing wall able to open for releasing a beverage prepared from said ingredient and said fluid, said capsule comprising a separating wall (14) within the chamber that separates, in a leak-tight manner, an ingredient-containing compartment (15), and a fluid injection compartment (16), said separating wall (14) comprising a one-way valve (17) able to let fluid under pressure flow only from the injection compartment towards the ingredient-containing compartment, said valve being actuated in its open configuration by the injection element (22) of the machine, wherein the one-way valve is either: (i) a spring-mounted ball valve, or alternatively (ii) a flexible resilient O-ring valve mounted in a circular channel of the separating wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.