| 摘要 |
In the case of a corrugated board W, which comprises at least one corrugated core layer 1 and at least one flat cover layer 2, 3, at least one electrosta- tically-shielding layer 4 is provided in the inte- rior structure between said core layer 1 and said cover layer 2, whereas the outer side of the corru- gated board W is provided with a conducting lacquer 5, 6 applied to said cover layer 2, 3. The conduct- ing lacquer 5, 6 may be combined with a corrosion inhibitor 14. The shielding layer 4 is formed either continuously, or such that it comprises intercon- nected layer components 80 and intermediate, inter- ruptions 90 occupying a certain area and interrupt- ing the areas which are glued together, or such that it comprises highly compacted, interconnected layer components 12 and intermediate, less highly com- pacted layer components 13, or such that it com- prises high, interconnected layer components 15 and intermediate lower layer components 15 which occupy a certain area. |
