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(11)

EP 3 222 007 A1

(12)

(43) Date of publication: 27.09.2017 Bulletin 2017/39 (21) Application number: 15860718.4 (22) Date of filing: 16.11.2015

(51) International Patent Classification (IPC):  H04L 12/26(2006.01) H04L 29/06(2006.01) (86) International application number: PCT/FI2015/050794 (87) International publication number: WO 2016/079381 (26.05.2016 Gazette 2016/21)

(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: 17.11.2014 FI 20146004 (71) Applicant: Rugged Tooling OY 90590 Oulu (FI)	(72) Inventors: BRÄYSY, Vinski FI-90590 Oulu (FI) SANKALA, Jouko FI-90590 Oulu (FI) KARJALAINEN, Mikko FI-90590 Oulu (FI) (74) Representative: Kolster Oy Ab  Salmisaarenaukio 1 00180 Helsinki 00180 Helsinki (FI)