(19)
(11) EP 3 365 121 A1

(12)

(43) Date of publication:
29.08.2018 Bulletin 2018/35

(21) Application number: 16707614.0

(22) Date of filing: 08.01.2016
(51) International Patent Classification (IPC): 
B21C 23/20(2006.01)
B21C 23/32(2006.01)
(86) International application number:
PCT/CZ2016/050001
(87) International publication number:
WO 2017/092721 (08.06.2017 Gazette 2017/23)
(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: 03.12.2015 CZ 20150855

(71) Applicant: VitKovice Cylinders a.s.
70600 Ostrava-Vitkovice (CZ)

(72) Inventors:
  • KUCERA, Pavel
    73911 Frydlant nad Ostravici (CZ)
  • HOFRIK, Petr
    70800 Ostrava-Poruba (CZ)
  • PIJANOWSKI, Tomas
    70030 Ostrava-Hrabuvka (CZ)

(74) Representative: Rylkova, Iva 
Polska 1525
708 00 Ostrava-Poruba
708 00 Ostrava-Poruba (CZ)

   


(54) METHOD OF PRODUCTION OF HIGH-PRESSURE SEAMLESS CYLINDER FROM CORROSION-RESISTANT STEEL