(19)

(11)

EP 2 313 691 A2

(12)

(88) Date of publication A3: 14.05.2010 (43) Date of publication: 27.04.2011 Bulletin 2011/17 (21) Application number: 08802751.1 (22) Date of filing: 02.10.2008

(51) International Patent Classification (IPC):  F24C 3/12(2006.01) (86) International application number: PCT/EP2008/008348 (87) International publication number: WO 2009/146730 (10.12.2009 Gazette 2009/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 02.06.2008 ES 200801169 U (71) Applicant: Coprecitec, S.L. 20550 Aretxabaleta (Gipuzkoa) (ES)	(72) Inventors: SALBIDE MUTILOA, Amaia E-20600 Eibar (Gipuzkoa) (ES) ARRIOLA-BENGOA UNZUETA, Imanol E-20540 Eskoriatza (Gipuzkoa) (ES) AIASTUI ARETXAGA, Iñaki E-20570 Bergara (Gipuzkoa) (ES) (74) Representative: Igartua, Ismael  Fagor, S.Coop. Industrial Property Department San Andrés Auzoa, z/g; Apdo. 213 20500 Arrasate-Mondragon 20500 Arrasate-Mondragon (ES)