FORMATION OF CONTENT DISCRIMINATION MARK TO PLASTIC HOLLOW CONTAINER

摘要

PURPOSE: To form a content discrimination mark composed of a thick-walled protruding part on the outside surface of a ready-made plastic hollow container under an ultraviolet irradiation condition used at the time of general printing. CONSTITUTION: A partial printing layer is formed on the outside surface of a plastic hollow container by screen printing using ultraviolet curable ink containing no pigment and cured by ultraviolet rays to form a content discrimination mark with a thickness of 60μm or more.