(19)

(11)

EP 3 576 577 A1

(12)

(43) Date of publication: 11.12.2019 Bulletin 2019/50 (21) Application number: 18747601.5 (22) Date of filing: 05.02.2018

(51) International Patent Classification (IPC):  A47C 23/06(2006.01) A47C 23/30(2006.01) A47C 23/28(2006.01) A47C 21/06(2006.01) (86) International application number: PCT/FI2018/050082 (87) International publication number: WO 2018/142031 (09.08.2018 Gazette 2018/32)

(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: 06.02.2017 FI 20174029 U (71) Applicant: Unikulma OY 01720 Vantaa (FI)	(72) Inventor: TUOMINEN, Vesa 01720 Vantaa (FI) (74) Representative: Kolster Oy Ab  (Salmisaarenaukio 1) P.O. Box 204 00181 Helsinki 00181 Helsinki (FI)