(19)

(11)

EP 3 568 538 A1

(12)

(43) Date of publication: 20.11.2019 Bulletin 2019/47 (21) Application number: 18700297.7 (22) Date of filing: 15.01.2018

(51) International Patent Classification (IPC):  E04B 1/94(2006.01) E06B 5/16(2006.01) E06B 3/54(2006.01) E04B 2/88(2006.01) (86) International application number: PCT/EP2018/050809 (87) International publication number: WO 2018/130675 (19.07.2018 Gazette 2018/29)

(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 TN (30) Priority: 16.01.2017 EP 17151674 (71) Applicant: Saint-Gobain Glass France 92400 Courbevoie (FR)	(72) Inventor: VO, Martin 44470 Thouaré-sur-Loire (FR) (74) Representative: Frei Patent Attorneys  Frei Patentanwaltsbüro AG Postfach 8032 Zürich 8032 Zürich (CH)