(19)

(11)

EP 2 536 656 A1

(12)

(43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11744337.4 (22) Date of filing: 15.02.2011

(51) International Patent Classification (IPC):  B67D 7/34(2010.01) B67D 7/06(2010.01) F17C 13/02(2006.01) B67D 7/04(2010.01) B67D 7/14(2010.01) F17C 5/00(2006.01) (86) International application number: PCT/IB2011/050628 (87) International publication number: WO 2011/101783 (25.08.2011 Gazette 2011/34)

(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: 16.02.2010 US 304931 P (71) Applicants: Patterson, Gordon Ian Sharon, Ontario L0G 1V0 (CA) Patterson, Ashleigh Laura Sharon, Ontario L0G 1V0 (CA)	(72) Inventors: Patterson, Gordon Ian Sharon, Ontario L0G 1V0 (CA) Patterson, Ashleigh Laura Sharon, Ontario L0G 1V0 (CA) (74) Representative: Hertz, Oliver  v. Bezold & Partner Patentanwälte Akademiestrasse 7 80799 München 80799 München (DE)