(19)
(11) EP 2 591 180 A1

(12)

(43) Date of publication:
15.05.2013 Bulletin 2013/20

(21) Application number: 11743862.2

(22) Date of filing: 01.07.2011
(51) International Patent Classification (IPC): 
E04D 13/04(2006.01)
(86) International application number:
PCT/IB2011/052926
(87) International publication number:
WO 2012/004715 (12.01.2012 Gazette 2012/02)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 06.07.2010 BE 201000405

(71) Applicant: Aquadraat Engineering Bvba
2520 Ranst (BE)

(72) Inventor:
  • FIERLAFIJN, Johan
    2110 Wijnegem (BE)

(74) Representative: Van hunsel, Lieven M.S. 
Archimedes Patents P.O. Box 34
2900 Schoten
2900 Schoten (BE)

   


(54) IMPROVED SIPHONIC ROOF DRAIN AND NEW USE IN A SIPHONIC ROOF DRAIN SYSTEM