(19)

(11)

EP 2 761 242 A1

(12)

(43) Date of publication: 06.08.2014 Bulletin 2014/32 (21) Application number: 12835429.7 (22) Date of filing: 01.10.2012

(51) International Patent Classification (IPC):  F27D 1/14(2006.01) C22B 9/02(2006.01) C21B 11/08(2006.01) F27D 19/00(2006.01) (86) International application number: PCT/CA2012/000914 (87) International publication number: WO 2013/044372 (04.04.2013 Gazette 2013/14)

(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 RS SE SI SK SM TR (30) Priority: 29.09.2011 US 201161540961 P (71) Applicant: Hatch Ltd Mississauga, Ontario L5K 2R7 (CA)	(72) Inventors: SOUTHALL, Sean Acton, Ontario L7J 1K8 (CA) STOBER, Frank Mississauga, Ontario L5R 1T4 (CA) STEVENS, Glenn Mississauga, Ontario L5L 4W5 (CA) JASTRZEBSKI, Maciej Oakville, Ontario L6H 1N3 (CA) SHAW, Andrew Etobicoke, Ontario M8Y 2E3 (CA) GERRITSEN, Terry Oakville, Ontario L6M 1H5 (CA) (74) Representative: Elzaburu S.L.P.  C/ Miguel Angel, 21 28010 Madrid 28010 Madrid (ES)