(19)

(11)

EP 1 848 928 A2

(12)

(88) Date of publication A3: 04.01.2007 (43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 06727282.3 (22) Date of filing: 13.02.2006

(51) International Patent Classification (IPC):  F24C 3/12(2006.01) F23N 1/00(2006.01) F23K 5/00(2006.01) (86) International application number: PCT/IB2006/000473 (87) International publication number: WO 2006/090271 (31.08.2006 Gazette 2006/35)

(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 NL PL PT RO SE SI SK TR (30) Priority: 18.02.2005 IT MI20050244 (71) Applicant: E.G.O. ELEKTRO-GERÄTEBAU GmbH 75038 Oberderdingen (DE)	(72) Inventor: AMATI, Carlo I-23893 Cassago Brianza (IT) (74) Representative: Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner  Postfach 10 40 36 70035 Stuttgart 70035 Stuttgart (DE)