(19)
(11) EP 2 325 403 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.08.2011 Bulletin 2011/33

(43) Date of publication A2:
25.05.2011 Bulletin 2011/21

(21) Application number: 10251988.1

(22) Date of filing: 23.11.2010
(51) International Patent Classification (IPC): 
E03F 1/00(2006.01)
(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
Designated Extension States:
BA ME

(30) Priority: 23.11.2009 GB 0920507

(71) Applicant: Polypipe Civils Limited
South Yorkshire DN12 1ES (GB)

(72) Inventor:
  • Ramella, Stuart Edward Alan
    Leicestershire LE11 1LE (GB)

(74) Representative: Lloyd, Robin 
Marks & Clerk LLP 90 Long Acre
London WC2E 9RA
London WC2E 9RA (GB)

   


(54) Drainage cell


(57) A drainage cell (1) for a ground water handling system, the cell comprising a through channel (25), the cell comprising one or more transverse members (5) extending from or adjacent the edge of the through channel (25) towards a base of the cell (1) for deflecting, in use, particulates or debris carried in a fluid flowing in said through channel (25).







Search report