Corrugated board

Details Corrugated board Corrugated board

1993-03-29

1995-04-18

Gehman, Bryon P.

Stock material or miscellaneous articles

Hollow or container type article

Paper containing

206328, 206334, 2065243, 2065246, B32B 502, B65D 7302

Patent

active

054077141

ABSTRACT:
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 electrostatically-shielding layer 4 is provided in the interior structure between the core layer 1 and said cover layer 2, whereas the outer side of the corrugated board W is provided with a conducting lacquer 5, 6 applied to the cover layer 2, 3. The conducting lacquer 5, 6 may be combined with a corrosion inhibitor 14. The shielding layer 4 is formed either continuously, or such that it comprises interconnected layer components 80 and intermediate, interruptions 90 occupying a certain area and interrupting the areas which are glued together, or such that it comprises highly compacted, interconnected layer components 12 and intermediate, less highly compacted layer components 13, or such that it comprises high, interconnected layer components 15 and intermediate lower layer components 16 which occupy a certain area. (FIG. 12 ).

REFERENCES:
patent: 4293070 (1981-10-01), Ohlbach
patent: 4482048 (1984-11-01), Blodgett
patent: 4528222 (1985-07-01), Rzepecki et al.
patent: 4684020 (1987-08-01), Ohlbach
patent: 4685563 (1987-08-01), Cohen et al.
patent: 4706438 (1987-11-01), Ohlbach
patent: 5017260 (1991-05-01), Bradford
patent: 5205406 (1993-04-01), Bradford

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