Molding die for molding a component of a magnetic tape cartridge

摘要

A molding die for molding at least two kind of magnetic tape cartridge lids, said lids having a different length in a longitudinal direction thereof, comprising a stationary mold unit; and a movable mold unit movable relative to said stationary mold unit characterized by a slide core disposed at one end of a molding cavity which is defined by a combination of said stationary mold unit, said movable mold unit and said slide core, said slide core being movable in the longitudinal direction between a first position forming a shorter molding cavity for a shorter length lid between said stationary mold unit and said movable mold unit and a second position forming a longer molding cavity for a longer length lid between said stationary mold unit and said movable mold unit. <IMAGE>