METHOD AND APPARATUS FOR CORRECTING RESIN MEMBRANE OF REAR FACE SECTION OF WELDED WASHER FOR MOUNTING HAND RING OF CAN TOP

摘要

PROBLEM TO BE SOLVED: To provide a method and an apparatus for correcting a resin membrane at a rear face section of a washer welded for mounting a hand ring of a can top while providing a reliable correcting treatment, keeping environment friendly having high productivity and a low cost.;SOLUTION: A rear side section of plural spot welding parts, where the washer for mounting a hand ring of the can top to weld the washer for mounting the hand ring is welded to a resin coated metal plate, is heated, a resin film for correcting cut to a size covering the whole of plural welding spot parts are abutted on the rear face section of the plural spot welding parts heated, by pressing a pressure roll, the resin film for correcting is adhered so as to cover the whole of plural welding spot parts.;COPYRIGHT: (C)2002,JPO