(19)

(11)

EP 2 203 600 A2

(12)

(88) Date of publication A3: 14.05.2009 (43) Date of publication: 07.07.2010 Bulletin 2010/27 (21) Application number: 08833231.7 (22) Date of filing: 25.09.2008

(51) International Patent Classification (IPC):  E01H 1/04(2006.01) E01H 1/08(2006.01) (86) International application number: PCT/CA2008/001665 (87) International publication number: WO 2009/039622 (02.04.2009 Gazette 2009/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 25.09.2007 US 975088 P (71) Applicant: Vanderlinden, Roger 1100 Burloak Drive, Suite 300 Burlington, Ontario L7L 6B2 (CA)	(72) Inventor: Vanderlinden, Roger 1100 Burloak Drive, Suite 300 Burlington, Ontario L7L 6B2 (CA) (74) Representative: Orr, Robert  Urquhart-Dykes & Lord LLP Tower North Central Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)