(19)

(11)

EP 1 758 713 A2

(12)

(88) Date of publication A3: 06.07.2006 (43) Date of publication: 07.03.2007 Bulletin 2007/10 (21) Application number: 05754973.5 (22) Date of filing: 17.05.2005

(51) International Patent Classification (IPC):  B24D 11/00(2006.01) (86) International application number: PCT/US2005/017997 (87) International publication number: WO 2005/112601 (01.12.2005 Gazette 2005/48)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 17.05.2004 US 848510 (71) Applicant: Pollasky, Anthony David Rochester, MN 55901 (US)	(72) Inventor: Pollasky, Anthony David Rochester, MN 55901 (US) (74) Representative: Manaton, Ross Timothy et al Bromhead Johnson 19 Buckingham Street London WC2N 6EF London WC2N 6EF (GB)