| 摘要 |
PCT No. PCT/FI83/00021 Sec. 371 Date Nov. 3, 1983 Sec. 102(e) Date Nov. 3, 1983 PCT Filed Mar. 7, 1983 PCT Pub. No. WO83/03114 PCT Pub. Date Sep. 15, 1983.A draining arrangement for removing water from roofs or equivalent areas wherein the aim of the arrangement is to improve the draining effect making it possible to use smaller draining pipes, and further to avoid disturbing noise in the pipes. The arrangement is mainly characterized in that the opening (4) of the vertical water pipe (3) is situated directly at the surface (1) of the roof and is covered by a lid element (5). This lid is situated at a height (hc) over the roof that a certain predefined amount of water can flow under the lid where the water stream while on its way to the opening of the vertical draining pipe and without changing its direction, continuously changes to closed flow simultaneously as the air entrance becomes closed. |
