摘要 |
<p>A description of a procedure for producing a semi-product for lighting purposes, a semi-product for lighting purposes and equipment for producing the semi-product for lighting purposes. A sheet material or substrate (10), preferably of a metallic material such as aluminium or an aluminium alloy, may expediently comprise a wound, sheet material or a coil. The substrate is treated/coated to produce delimited fields or stripes (1, 2, 3) with different lighting and aesthetic properties, after which the plane substrate is formed/processed into the form of the semi-product.</p> |