| 摘要 |
Means for dispensing a powdery colouring substance onto the surface of a mix (14) comprising stone, stone-like, glass or ceramic material. The means comprise at least one dispensing device (28) for containing and dispensing a powdery colouring substance (11) and at least one spreading device (30). The spreading device (30) comprises at least one moving perforated plate (100) which receives a metered amount of said colouring substance (11) from the dispensing device (28) and distributes it over the surface of the mix (14). |
