| 摘要 |
<p>This relates to method and apparatus for dyeing a pile fabric moving continuously with its pile surface uppermost. The method comprises forming dye liquor into a film on a blade extending transversely to the direction of travel of the fabric, and having a smooth uninterrupted surface for receiving the film, channelling the dye liquor falling by gravity from the blade into a number of parallel streams of drops in the corrugations of a corrugated sheet disposed beneath the blade, and imparting oscillation to the corrugated sheet in a direction transverse to the direction of travel of the fabric to scatter individual drops of dye liquor from the lower ends of its corrugations directly on to the fabric. The apparatus comprises a trough to contain dye liquor, a rotatable lick roller mounted in the trough with its axis extending transversely to the direction of travel of the fabric, and a doctor blade extending parallel to the lick roller with its upper edge in contact with the lick roller,to pick up a film of dye liquor from the lick roller, the doctor blade having a smooth, uninterrupted upper surface. A corrugated sheet extending transversely to the direction of travel of the corrugated sheet collecting in its channels lower edge of the doctor blade, the corrugated sheet collecting in its channels by gravity from the doctor blade a number of parallel streams of drops of dye liquor form which the drops fall directly on to the fabric, and means is provided for imparting oscillation to the corrugated sheet in a direction transverse to the direction of travel of the fabric.</p> |
