FLOOR PANEL FOR CLEAN ROOM AND METHOD OF MANUFACTURING THE FLOOR PANEL

摘要

PROBLEM TO BE SOLVED: To provide a light-weight floor panel for a clean room in which a rate of hole area is increased while securing a predetermined bending strength. SOLUTION: A large number of ventilation holes 4 are formed in a panel body 2. Tubular ribs 5 surrounding the ventilation holes 4 and projected to the rear side of the panel body 2 are formed around the ventilation holes 4. COPYRIGHT: (C)2007,JPO&INPIT