(19)

(11)

EP 3 790 421 A1

(12)

(43) Date of publication: 17.03.2021 Bulletin 2021/11 (21) Application number: 19724334.8 (22) Date of filing: 24.04.2019

(51) International Patent Classification (IPC):  A42B 3/04(2006.01) (86) International application number: PCT/AT2019/060138 (87) International publication number: WO 2019/213679 (14.11.2019 Gazette 2019/46)

(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: KH MA MD TN (30) Priority: 08.05.2018 AT 503842018 (71) Applicant: LEADER Photonics GmbH 9500 Villach (AT)	(72) Inventor: OBERWALDER, Hermann 9542 Afritz am See (AT) (74) Representative: Wirnsberger & Lerchbaum Patentanwälte OG  Mühlgasse 3 8700 Leoben 8700 Leoben (AT)