LIQUID DISCHARGE CHANNEL Russian patent published in 2019 - IPC E03F5/04 E01C11/22 

FIELD: machine building.

SUBSTANCE: invention relates to drainage systems. Channel comprises opposite right and left support walls, chute (106) and grate (101). Each of support walls includes one or more U-shaped profile (103) and one or more L-shaped profile (102). Between the right and left support walls there is chute (106), which adjoins to L-shaped profile (102) of each of support walls. Grate (101) is installed on top of chute (106), wherein said U-shaped, L-shaped profiles, chute and grate are connected to each other without welding. Said U-shaped profile (103) includes an upper side part, a lower lateral part and a middle part connecting the upper and lower side parts. Upper lateral part adjoins L-shaped profile (102), and lower lateral part during operation of channel lies on surface, on which channel is installed.

EFFECT: enabling operation of the channel without destroying road surfaces, fewer jointing joints, improved waterproofing properties and integrity of the water disposal system, increased speed and quality of installation, increased anticorrosion and strength characteristics, increased service life of the channel and base with which the channel is used.

7 cl, 14 dwg