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(11)

EP 3 313 632 A1

(12)

(43) Date of publication: 02.05.2018 Bulletin 2018/18 (21) Application number: 16730394.0 (22) Date of filing: 20.06.2016

(51) International Patent Classification (IPC):  B28B 1/52(2006.01) B01F 3/12(2006.01) D21F 1/66(2006.01) D21F 11/08(2006.01) B01F 5/10(2006.01) B28B 17/02(2006.01) D21F 9/04(2006.01) (86) International application number: PCT/EP2016/064204 (87) International publication number: WO 2017/001231 (05.01.2017 Gazette 2017/01)

(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 MD (30) Priority: 29.06.2015 BE 201505401 (71) Applicants: Eternit NV 1880 Kapelle-op-den-Bos (BE) ETEX SERVICES NV 1880 Kapelle-op-den-Bos (BE)	(72) Inventors: CLOET, Peter 3000 Leuven (BE) VAN ACOLEYEN, Bertrand 1880 Kapelle-op-den-Bos (BE) MUYSOMS, Wouter 2811 Hombeek (BE) (74) Representative: Vaeck, Elke et al Etex Services NV Kuiermansstraat 1 1880 Kapelle-op-den-Bos 1880 Kapelle-op-den-Bos (BE)