| 摘要 |
<p>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.</p> |
