Underlay for laminar floor panels has top layer of impregnated kraft paper bonded to a sub-layer of e.g. polyurethane foam, felt, cork or rubber

摘要

In a process to manufacture laminar floor panels, the panels incorporate an under-layer consisting of a top layer of impregnated kraft paper (1) joined to a sub-layer of e.g. polyurethane foam, felt, cork or rubber by a suitable adhesive (3). Also claimed is a suitable laminar floor manufacturing press.