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(11)

EP 1 937 438 A1

(12)

(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06757613.2 (22) Date of filing: 02.05.2006

(51) International Patent Classification (IPC):  B23D 61/02(2006.01) B23D 61/00(2006.01) (86) International application number: PCT/KR2006/001649 (87) International publication number: WO 2006/118413 (09.11.2006 Gazette 2006/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 03.05.2005 KR 20050037184 26.04.2006 KR 20060037731 (71) Applicant: Cho, Chang Shin Bulno-Dong, Seo-Gu Incheon 404-270 (KR)	(72) Inventor: Cho, Chang Shin Bulno-Dong, Seo-Gu Incheon 404-270 (KR) (74) Representative: Urner, Peter  Patentanwälte TER MEER-MÜLLER-STEINMEISTER & PARTNER Mauerkircherstrasse 45 D-81679 München D-81679 München (DE)