(19)

(11)

EP 2 171 176 A2

(12)

(88) Date of publication A3: 19.03.2009 (43) Date of publication: 07.04.2010 Bulletin 2010/14 (21) Application number: 08778822.0 (22) Date of filing: 16.07.2008

(51) International Patent Classification (IPC):  E04F 15/20(2006.01) (86) International application number: PCT/KR2008/004165 (87) International publication number: WO 2009/014341 (29.01.2009 Gazette 2009/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 20.07.2007 KR 20070072916 (71) Applicant: LG Hausys, Ltd. Youngdungpo-gu Seoul 150-721 (KR)

(72) Inventors: LEE, Chung Hwa Cheongju-si Chungcheongbuk-do 361-709 (KR) KIM, Seong Chan Cheongju-si Chungcheongbuk-do 361-700 (KR) KIM, Jun Yup Cheongju-si Chungcheongbuk-do 361-850 (KR) PARK, Seong Chan Cheongju-si Chungcheongbuk-do 361-271 (KR) CHANG, Ho Yeon Cheongju-si Chungcheongbuk-do 361-300 (KR) (74) Representative: Goddar, Heinz J.  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)