Patent ID: 7418903
Filing Date: 2008-09-02
Classification: B41F

Abstract:
1. A method for producing printed window blind slats, including the following steps: providing three blind slats located side by side; providing three printing rollers each having one growth-ring printing area and two fine texture printing areas on its respective surface, the growth-ring printing areas and the fine-texture printing areas of the printing rollers are in wood grain pattern coated with coloring material; positioning said three printing rollers equidistantly and sequentially apart in a printing direction such that the growth-ring printing area and the two fine-texture printing areas on each printing roller are alternatively arranged at corresponding lengthwise and widthwise position of the sequentially aligned printing rollers; transporting the three blind slats in the printing direction simultaneously through the three printing rollers in sequence; and printing the coated coloring material from the alternatively-arranged growth-ring printing areas and the fine-texture printing areas of the three printing rollers on the three blind slats such that each of the blind slats is printed with a complete wood grain pattern bearing growth-ring pictures and fine-texture pictures disposed thereon.