| 摘要 |
<p>The invention provides a foam-forming unit, comprising: a mixing chamber (12) communicating with the outlet (14) of a pump (6, 8) for the purpose of mixing liquid and air, a dispensing part (22) provided with an outflow channel (24) with a foam opening (26) for dispensing foam, wherein the outflow channel is in communication with the mixing chamber (12), and a first foam-forming element (28) arranged in the outflow channel such that the foam flowing through the outflow channel passes through the foam-forming element (28) at least twice, wherein the dispensing part is further provided with a spout element (51) in which is located the final part of the outflow channel and the foam opening, and wherein the outflow channel comprises a cavity (32) after the first passage through the first foam-forming element, which cavity lies before the spout element as seen in flow direction.</p> |
