(19)

(11)

EP 3 749 468 A2

(12)

(88) Date of publication A3: 19.03.2020 (43) Date of publication: 16.12.2020 Bulletin 2020/51 (21) Application number: 19842263.6 (22) Date of filing: 07.02.2019

(51) International Patent Classification (IPC):  B21D 28/02(2006.01) (86) International application number: PCT/TR2019/050074 (87) International publication number: WO 2020/022984 (30.01.2020 Gazette 2020/05)

(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: 08.02.2018 TR 201801805 (71) Applicant: Coskunoz Kalip Makina Sanayi ve Ticaret A.S. Nilüfer/Bursa (TR)	(72) Inventor: KARSI, Adem Bursa (TR) (74) Representative: Yamankaradeniz, Kemal  Destek Patent, Inc. Eclipse Business D Blok No. 5 Maslak 34398 Istanbul 34398 Istanbul (TR)