| 摘要 |
<p>This invention relates to an apparatus for preparing a coffee extract with a fine-bubble froth layer, provided with at least one inlet (2) to which coffee extract is supplied, at least one outlet (4.1; 4.2) for dispensing the coffee extract with the fine-bubble froth layer and at least one liquid flow path extending from the at least one inlet (2) to the at least one outlet (4.1; 4.2) and along which, in use, the coffee extract flows from the at least one inlet (2) to the at least one outlet (4.1; 4.2), while in the liquid flow path a liquid impact surface (12) is included and the at least one inlet is provided with at least one spout opening for generating at least one coffee extract jet which, in use, squirts to the liquid impact surface when the coffee extract is supplied to the at least one inlet. According to the invention, the impact surface (12) is provided with a roughened surface structure.</p> |
