Improvements in and connected with Gratings or Screens for Road Gullies, Sewer and Drain Traps, Rain Water Inlets and Catchpits.

摘要

30,207. Mathison, J., and Wyatt, J. Dec. 24. Gratings for catch pits for road gullies and like inlets. According to the invention the surface water from the gutters b passes through a partly submerged grating D upon which leaves &c. collect and then over weirs p to the gulley a. In a modification, the grating is horizontal and wholly submerged, while the " float pit " in which it is situated is partly surrounded by the gully.