AUTOMATISCHER REGENWASSERFÄNGER FÜR VERTIKALEN ABFLUSSROHR

摘要

PCT No. PCT/FR93/00102 Sec. 371 Date Jun. 24, 1994 Sec. 102(e) Date Jun. 24, 1994 PCT Filed Jan. 29, 1993 PCT Pub. No. WO93/15281 PCT Pub. Date Aug. 5, 1993.The device comprises a branch collar suitable for fitting onto a down pipe and having an orifice coinciding with an orifice in the side of the down pipe, the orifices allowing for the insertion of an elastic scoop which, once in the pipe, will adapt to all or part of the inside of wall of the pipe. The scoop is extended by a valve body secured to the branch collar grooves and projections.