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EP 3 186 426 A1

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(43) Date of publication: 05.07.2017 Bulletin 2017/27 (21) Application number: 15774686.8 (22) Date of filing: 05.08.2015

(51) International Patent Classification (IPC):  D04H 3/004(2012.01) D04H 18/02(2012.01) F01N 3/28(2006.01) D04H 1/46(2012.01) D04H 3/07(2012.01) D04H 18/04(2012.01) F01N 1/04(2006.01) D04H 1/76(2012.01) (86) International application number: PCT/IB2015/055938 (87) International publication number: WO 2016/020851 (11.02.2016 Gazette 2016/06)

(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 Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 05.08.2014 IT TV20140119 (71) Applicant: SO.LA.IS. - SOCIETA' LAVORAZIONE ISOLANTI - S.R.L. CON UNICO SOCIO 31020 Refrontolo (IT)	(72) Inventor: ZARA, Luigi I-31020 Refrontolo (IT) (74) Representative: Zamprogno, Bruno et al STUDIO TORTA S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)