| 摘要 |
An injection molding process to mold an element and an apparatus for the realization of said process. More particularly, an injection molding process and an apparatus for the realization of a drainage grid (10) comprising a rectangular element showing four sides (12, 14, 16, 18), an upper face (17) and a lower face (19), the cross-section being shaped like an arc at the lower face (19), said rectangular element comprising at least three longitudinal ribs (30) and at least three transverse ribs (26, 28, 30, 32, 34, 36, 38). |
