(19)
(11) EP 1 391 251 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.11.2005 Bulletin 2005/45

(43) Date of publication A2:
25.02.2004 Bulletin 2004/09

(21) Application number: 03255221.8

(22) Date of filing: 22.08.2003
(51) International Patent Classification (IPC)7: B07B 9/00, B07B 1/24, B07B 1/15, B07B 1/00
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 22.08.2002 GB 0219594

(71) Applicant: Carnell Contractors Limited
Penkridge, Stafford ST19 5DJ (GB)

(72) Inventor:
  • Nelson Darren
    Penkridge, Stafford, ST 19 5DJ (GB)

(74) Representative: Parnham, Kevin 
Swindell & Pearson 48 Friar Gate
Derby DE1 1GY
Derby DE1 1GY (GB)

   


(54) Aggregate cleaning


(57) It is necessary to clean the aggregate in so called French drains in order to maintain their efficiency. Apparatus (100) in accordance with the present invention is provided whereby the aggregate (101) is removed and processed through a cleaning combination (15,219) whereby debris is removed from the aggregate (101) and cleaned aggregate returned to the French drain. The cleaning combination (15,219) is a mesh (15) drum with agitators (21) to ensure good percussive shock to the aggregate (101) as it tumbles upon rotation of the drum. Removed debris is either finely scattered to avoid landfill or collected/graded for appropriate disposal. Thus, each of the present apparatus reduces the volume of landfill associated with maintaining French drains.






Search report