| 摘要 |
A method for producing sucker elements (20) consisting in thermoforming a layer of plastic material (1) by means of two mold parts (2,3), which form at least one impression that has a frustum-like peripheral shape, the mold parts (2,3) forming means for blanking the peripheral rim of each thermoformed element with a substantially flat central shape surrounded by a frustum-shaped portion. <IMAGE> |
