| 摘要 |
<p>A percolator cup (1)(30) for espresso coffee machines, wherein a cup-shaped casing (2) defines a compartment (25) for ground coffee, and an outlet (7)(45) separated from the compartment (25) by a calibrated valve element (24)(51) which only connects the compartment (25) to the outlet (7)(45) when the pressure inside the compartment (25) exceeds a given value. <IMAGE> <IMAGE></p> |
