| 摘要 |
<p>It refers to an injection molding process and to the related apparatus, comprising the following phases: - injection molding of a first layer of melted plastic material in the cavity of a matrix by utilizing a first injecting mold comprising a first sector pressing said first layer; - injection molding of a further layer of fused plastic material on the previously molded layer by utilizing a further injecting mold comprising a further sector pressing said further layer so that said further layer melts with the previously molted layer so as to obtain an only layer; - cooling of said only layer so as to obtain a finished manufacture; - extraction of the so-obtained manufacture from the cavity of the matrix.</p> |
