(19)

(11)

EP 2 555 892 A2

(12)

(88) Date of publication A3: 12.01.2012 (43) Date of publication: 13.02.2013 Bulletin 2013/07 (21) Application number: 11766082.9 (22) Date of filing: 28.03.2011

(51) International Patent Classification (IPC):  B23B 27/16(2006.01) B23C 5/22(2006.01) B23C 5/20(2006.01) (86) International application number: PCT/KR2011/002119 (87) International publication number: WO 2011/126231 (13.10.2011 Gazette 2011/41)

(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 (30) Priority: 08.04.2010 KR 20100032291 (71) Applicant: TAEGUTEC LTD. Gachang-myeon, Dalsung-gun Daegu-si 711-860 (KR)	(72) Inventor: JEONG, Hyun Hwa Dalsung-gun Daegu 711-860 (KR) (74) Representative: Vossius & Partner  Siebertstrasse 4 81675 München 81675 München (DE)