| 摘要 |
<p>The process consists of (1) bringing a measured quantity of the plastics material into the interior of the object, (2) distributing the material homogeneously on the inside surface of the skirt and the part of the base adjacent to the skirt, and (3) introducing a close fitting male element or mould of tubular shape with lateral section suitable for assisting centreing of the mould with respect to the skirted object, as well as a truncoconical section with diameter decreasing slightly towards the base of the mould.</p> |
