(19)
(11) EP 1 564 335 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.09.2006 Bulletin 2006/39

(43) Date of publication A2:
17.08.2005 Bulletin 2005/33

(21) Application number: 05250859.5

(22) Date of filing: 15.02.2005
(51) International Patent Classification (IPC): 
E03F 3/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 17.02.2004 GB 0403500

(71) Applicant: ACO Technologies plc
Shefford, Beds SG17 5TE (GB)

(72) Inventor:
  • Mc Intyre, Walter Summerhill
    Ayrshire, KA6 6QL (GB)

(74) Representative: Williamson, Brian 
OLSWANG 90 High Holborn
London WC1V 6XX
London WC1V 6XX (GB)

   


(54) Drainage system flow regulation


(57) A surface drainage system 1 comprises a drainage channel 2 and a plurality of flow regulators 3 arranged therein. The plurality of flow regulators 3 improves the storage capacity of the system 1.







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