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(11)

EP 2 457 019 A1

(12)

(43) Date of publication: 30.05.2012 Bulletin 2012/22 (21) Application number: 10801813.6 (22) Date of filing: 05.07.2010

(51) International Patent Classification (IPC):  F22B 37/12(2006.01) F01K 7/16(2006.01) F22B 1/28(2006.01) F22D 7/00(2006.01) F01K 13/00(2006.01) F01K 7/34(2006.01) F22B 3/00(2006.01) (86) International application number: PCT/CA2010/001056 (87) International publication number: WO 2011/009192 (27.01.2011 Gazette 2011/04)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 24.07.2009 CA 2673305 (71) Applicant: Liau, George Uh-Schu Markham, ON L3R 6X1 (CA)	(72) Inventor: Liau, George Uh-Schu Markham, ON L3R 6X1 (CA) (74) Representative: Straube, Urs Norman  Apley & Straube Partnerschaft Patentanwälte Schatzenberg 2 77871 Renchen 77871 Renchen (DE)