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VALLEY AND METHOD FOR MANUFACTURING A VALLEY AND HEAVEN WATER DRAIN SYSTEM WITH SUCH VALLEY.
VALLEY AND METHOD FOR MANUFACTURING A VALLEY AND HEAVEN WATER DRAIN SYSTEM WITH SUCH VALLEY.
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机译:谷和制造带有这种谷的谷和地下排水系统的方法。
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摘要
Valley comprising a body (2) provided with an upper operating surface (3) and a lower supporting surface (4), in which valley (1) a water discharge device is integrated, characterized in that the discharge device is designed in the form of a vacuum system, wherein the valley (1) is provided with a passage (5) which comprises a recessed portion (6) in the area of use (3), and wherein the discharge device comprises a cover plate (9) which at least partially extends into the space (11) of the aforementioned recessed portion (6).
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