| 摘要 |
The invention relates to a draining plate comprising a draining layer 810) and a thin impermeable layer (11) on both sides of the draining layer (10). The draining layer (10) comprises elements of non-yielding material glued together, and the thin impermeable layers (11) comprise a non-woven fabric. The invention also relates to a method of producing a draining plate. The method comprises the steps of coating the elements with glue, placing the glue coated elements on top of a thin layer in a glue rejecting mould, and gluing a thin layer to the glue coated elements on top thereof. |
