(19)

(11)

EP 2 828 698 A1

(12)

(43) Date of publication: 28.01.2015 Bulletin 2015/05 (21) Application number: 13712704.9 (22) Date of filing: 08.03.2013

(51) International Patent Classification (IPC):  G02B 6/44(2006.01) (86) International application number: PCT/EP2013/054717 (87) International publication number: WO 2013/139622 (26.09.2013 Gazette 2013/39)

(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 (30) Priority: 19.03.2012 US 201261612772 P (71) Applicant: Tyco Electronics Raychem BVBA 3010 Kessel-Lo (BE)	(72) Inventors: WANDELS, Jean-Pierre B-3473 Waanrode (BE) BECKERS, Erwin B-3118 Werchter (BE) (74) Representative: Patentanwälte Bressel und Partner mbB  Potsdamer Platz 10 10785 Berlin 10785 Berlin (DE)