Scaffolding walkway panel of hard foam - esp polyurethane laid on metal sheet and cast around perforated reinforcing strips has high bending strength

摘要

A foam filled structural panel, esp. for scaffolding platforms, comprises: a sheet metal trough section with transverse corrugations and intermittent, aligned longitudinal corrugations between them; sheet metal sections) (e.g. "hat" sections) welded or glued to the corrugations and possessing apertures in their oblique walls; a hard foam, esp. polyurethane, filling for the whole trough.