New graduable celosia (Machine-translation by Google Translate, not legally binding)

摘要

New adjustable lattice, essentially characterized in that it is constituted by a flexible laminar band of opaque and preferably impermeable nature that, arranged parallel to the plane defined by the frame of the opening where it is applied, at one of its ends has an orifice analogous to the hollow of the opening, then, of which is provided with a plurality of smaller orifices, in number and/or decreasing measures, which cease before reaching the opposite end, whose end zone lacks holes. (Machine-translation by Google Translate, not legally binding)