Importance

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Abstract

In a composite panel with a core plate (1), a cover plate (2) glued to the upper side of core plate (1), an edge strip glued to an edge (4) of the core plate (1) and a protective sheet (3) or the like glued to the underside of the core plate (1) in which a drip groove (7), running essentially parallel to the edge (4), is provided on the underside of core plate (1) at a certain distance from its edge (4), considerable production simplification and, simultaneously, a considerably improved protection from water drops running in on the underside of the composite panel are attained, by drip groove (7) being put directly into core plate (1), by the cover plate (2) being pulled around to the underside of core plate (1) and/or protective sheet (3) or the like glued to the underside being pulled into drip groove (7) as far as possible and by the area of the drip groove (7) that is not covered by the cover plate (2) and/or protective sheet (2) or the like, including the free edges of the cover plate (2) and/or the protective sheet (3) or the like, being covered by a sealing strip (8) in a mositure-tight manner. In this case, drip groove (7) is particularly advantageously designed overall as a trapezoid and is rounded in the transition areas between the underside of core plate (1) and drip groove (7). The inclination of the sides of drain groove (7), the width of drip groove (7) at the level of the underside of core plate (1) of the composite panel and the depth of drip groove (7) are so dimensioned that jumping of water drops is ruled out for all practical purposes. The sealing strip (8) is advantageously made from injected polyurethane or the like.

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First Claim