(19)

(11)

EP 2 074 348 A2

(12)

(88) Date of publication A3: 05.06.2008 (43) Date of publication: 01.07.2009 Bulletin 2009/27 (21) Application number: 07853998.8 (22) Date of filing: 12.10.2007

(51) International Patent Classification (IPC):  F17C 1/00(2006.01) F17C 13/08(2006.01) B65D 88/12(2006.01) F17C 13/04(2006.01) (86) International application number: PCT/US2007/081224 (87) International publication number: WO 2008/048889 (24.04.2008 Gazette 2008/17)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 13.10.2006 US 829418 P 11.10.2007 US 870792 (71) Applicant: Columbiana Boiler Company, LLC Columbiana OH 44408 (US)	(72) Inventor: RUMMEL, Trevor M. Leetonia, Ohio 44431 (US) (74) Representative: Fritsche, Rainer  Eisenführ, Speiser & Partner Postfach 31 02 60 80102 München 80102 München (DE)