GRILL COVER FOR A VENTILATION DUCT, WHICH IS COMPOSED TO UTILIZE THE ENTIRE SURFACE OF A COVER, EXCEPT FOR NON-PRINTING FACES CORRESPONDING TO FOUR CORNERS OF THE COVER, AS A DIGITAL PRINTING SURFACE

摘要

PURPOSE: A grill cover for a ventilation duct is provided to maximize advertizing effect utilizing a grill cover and to improve the marketability of a product.;CONSTITUTION: A grill cover for a ventilation duct comprises a cover(10) and a printing layer. The cover has a square shape having four sides. The outer surface of the cover has a dome shape. An inner real image printing surface and an outer non-printing surface(24) are formed by a virtual boundary line(22) in the four edges of the cover. The printing layer is printed on the entire real image printing surface. A height difference from the central point of the outer surface of the cover to the virtual boundary line is within the distance that the real image printing process can be executed. When the real image printing process is executed by passing the target of the printing device in the upper part of the cover, the real image printing layer is formed in the entire real image printing surface except for the non-printing surface of the four edge parts of the cover.;COPYRIGHT KIPO 2011