(19)

(11)

EP 1 991 740 A2

(12)

(88) Date of publication A3: 07.08.2008 (43) Date of publication: 19.11.2008 Bulletin 2008/47 (21) Application number: 07757824.3 (22) Date of filing: 02.03.2007

(51) International Patent Classification (IPC):  E01F 13/00(2006.01) (86) International application number: PCT/US2007/063210 (87) International publication number: WO 2007/103810 (13.09.2007 Gazette 2007/37)

(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 LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 03.03.2006 US 779234 P (71) Applicant: Phoenix International, Ltd. Brookfield, WI 53045 (US)	(72) Inventor: DHONDY, Ardeshir Brookfield, WI 53045 (US) (74) Representative: Hedges, Martin Nicholas et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE London WC1V 7LE (GB)