Patent ID: 7458745

Claim:
Drainage channel for surface drainage, comprising: first and second elongate molded bodies each having opposite end faces, side walls, a floor, and an upper surface over which vehicles can travel, each of said molded bodies including a channel compartment, said channel compartment being defined by a ceiling boundary surface nearest said upper surface, side boundary surfaces and a base boundary surface, said upper surface having side edges in a longitudinal direction extending between said end faces, at least one of said side boundary surfaces and said base boundary surface tapering in a direction from a first of said end faces to a second of said end faces, said end faces including sealing junctions, said first and second elongate molded bodies including in said upper surface a plurality of inlet openings with one of lateral and longitudinal ribs separating one of said inlet openings from another, said inlet openings have opening linear edges oriented substantially parallel with the longitudinal side edges of the upper surface of said channel thereby maximizing cross-sectional area of the inlet openings, and a sealing material provided at the sealing junctions of said second of said end faces of said first elongate molded body and said first of said end faces of said second elongate molded body.