| 摘要 |
<p>The device according to the invention comprises a container (13) having an upper part (16) wherein a liquid dye is held and a lower part (17) wherein are arranged heating pipes (18) intended to provide a uniform heating of the bottom (15). Above the liquid are arranged walls (48, 49, 50, 51, 52) which define guiding channels for the foam generated by a nozzle (20), which channels become narrower from bottom to top. The product to be treated (25) fed in the direction of the arrow (A) is subjected to a multilayer treatment in the different successive guiding channels. </p> |
