(19)

(11)

EP 2 773 915 A1

(12)

(43) Date of publication: 10.09.2014 Bulletin 2014/37 (21) Application number: 11730201.8 (22) Date of filing: 15.09.2011

(51) International Patent Classification (IPC):  F28D 7/04(2006.01) F28F 1/02(2006.01) F28F 1/04(2006.01) E03C 1/00(2006.01) (86) International application number: PCT/EP2011/002913 (87) International publication number: WO 2013/037381 (21.03.2013 Gazette 2013/12)

(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 (71) Applicant: Gilbert, Patrick 00040 Roma (IT)	(72) Inventor: Gilbert, Patrick 00040 Roma (IT)