PRODUCTION METHOD FOR MULTI-COLOR INNER PACKING MATERIAL

摘要

A method of simply producing a multi-color inner packing material, wherein recessed grooves (21) are formed in preset portions of the base material (2) of an inner packing material (1), a mounting material (3) is tucked into the grooves (21) to form parting lines (PL), one side of a parting line (PL) is covered with a masking material (4), an engaging flange (41) at the end edge of the masking material (4) is inserted into a gap (S) at the parting line (PL) to fix the masking material (4) and then the other side of the parting line (PL) is painted in multiple colors.