LAMINATED MAGNETIC SIGNBOARD

摘要

A signboard comprising a lightweight laminate incorporating a core of strong lightweight material such as polystyrene between a ferromagnetic sandwich sheet, with a suitable frame and lightweight magnetic symbols presented thereon. The lightweight magnetic symbols are fabricated from a strong lightweight material such as fiberglass or plastic, and are magnetically affixed to selected points on the ferromagnetic surface of the signboard by a magnetic sheet material on each symbol.