| 主权项 |
1. A composite plate comprising:
a plastic foam support core having a honeycomb structure with honeycomb cells, the plastic foam support core comprising a support plate and walls extending from the support plate defining the honeycomb cells, the support plate and the walls of the honeycomb cells being made by a single step mould pressing and foaming to form a single-piece, unitary structure; a plastic surface sheet covering an upper side of the plastic foam support core, the plastic surface sheet fastened to the plastic foam support core; and a plastic base sheet supporting a lower side of the plastic foam support core, wherein the honeycomb cells of the support core are blind slots, the plastic surface sheet extends downwards at an edge of the plastic foam support core, the plastic base sheet extends upwards at the edge of the plastic foam support core, and the plastic surface sheet and the plastic base sheet overlap to form an edge of the composite plate. |
