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(11)

EP 3 247 927 A1

(12)

(43) Date of publication: 29.11.2017 Bulletin 2017/48 (21) Application number: 16703862.9 (22) Date of filing: 12.01.2016

(51) International Patent Classification (IPC):  F16K 3/02(2006.01) F16K 3/314(2006.01) F16K 3/316(2006.01) (86) International application number: PCT/PL2016/000001 (87) International publication number: WO 2016/118024 (28.07.2016 Gazette 2016/30)

(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: 22.01.2015 PL 41103115 (71) Applicant: Zetkama R&D Sp. z.o.o. 57-410 Scinawka Srednia (PL)	(72) Inventor: KRAWCZYK, Wojciech 58-240 Pilawa Górna (PL) (74) Representative: Budzinski, Slawomir  JWP Rzecznicy Patentowi Dorota Rzazewska sp.j. Sienna Center Ul. Zelazna 28/30 00-833 Warszawa 00-833 Warszawa (PL)