METHOD FOR REMOVING ALUMINUM-DEPOSITED MEMBRANE APPLIED TO PANEL PORTION AND EQUIPMENT THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a method in which after separating a cathode-ray tube into a funnel portion and a panel portion, an aluminum-deposited membrane or the like applied on the inner plane of the panel is removed. SOLUTION: The inner side of a side wall of a panel 120 is polished with a cylindrical face 52 of an elastic grinder 50, and simultaneously, a part of a bottom face is polished with a conical face 51 of the grinder tip.