| 摘要 |
A reverse-face ceramic die comprises a metal base block (1) the front face of which is covered with a layer (2) of relatively soft material such as vulcanized rubber, the active surface of this latter being provided with an ordered multiplicity of depressions (20) for forming the support feet on tiles, said depressions having in plan view a shape without sharp corners and a surface area of between 7 and 38 mm<2>, at said depressions said layer assuming the form of a thin film having a thickness of between 0.07 and 0.25 mm and arranged to rest against a rear fixed counteracting member (100) of hard material. <IMAGE> |
