(19)

(11)

EP 1 789 844 A1

(12)

(43) Date of publication: 30.05.2007 Bulletin 2007/22 (21) Application number: 05775190.1 (22) Date of filing: 12.08.2005

(51) International Patent Classification (IPC):  G03B 21/56(2006.01) G03B 21/58(2006.01) (86) International application number: PCT/CA2005/001246 (87) International publication number: WO 2006/029500 (23.03.2006 Gazette 2006/12)

(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 NL PL PT RO SE SI SK TR (30) Priority: 17.09.2004 US 942991 (71) Applicant: Clubbe, Paul Stouffville, Ontario L4A 7X5 (CA)	(72) Inventor: Clubbe, Paul Stouffville, Ontario L4A 7X5 (CA) (74) Representative: ABG Patentes, S.L.  C/Orense, 68 7th floor 28020 Madrid 28020 Madrid (ES)