(19)
(11) EP 1 533 428 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.02.2006 Bulletin 2006/06

(43) Date of publication A2:
25.05.2005 Bulletin 2005/21

(21) Application number: 04027538.0

(22) Date of filing: 19.11.2004
(51) International Patent Classification (IPC): 
E03F 5/046(2006.01)
E01C 11/22(2006.01)
 E03F 1/00(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 LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK YU

(30) Priority: 19.11.2003 GB 0326929

(71) Applicant: Permavoid Limited
Manchester, M30 9LE (GB)

(72) Inventors:
  • Shuttleworth, Andrew Brian Linga Longa,
    Lancashire, FY6 9DJ (GB)
  • Newman, Alan Paul
    Hinckley, LE10 0LW (GB)
  • Puehmeier, Tim
    Warrington, WA5 3HS (GB)

(74) Representative: Lockey, Robert Alexander 
Forrester & Boehmert Pettenkoferstr. 20-22
80336 München
80336 München (DE)

   


(54) Drainage element


(57) A drainage element 10 is provided comprising at least one liquid holding part 11 provided with a liquid inlet and a liquid outlet 12, wherein, in use, the drainage element is placed substantially adjacent to at least one other drainage element, and liquid is constrained to enter the liquid holding part of the drainage element via the liquid inlet and is constrained to exit the liquid holding part of the drainage element via the liquid outlet, and liquid is prevented by the liquid holding part from flowing from the drainage element to the at least one other drainage element.







Search report