(19)

(11)

EP 2 165 144 A1

(12)

(43) Date of publication: 24.03.2010 Bulletin 2010/12 (21) Application number: 08753532.4 (22) Date of filing: 16.05.2008

(51) International Patent Classification (IPC):  F28D 7/10(2006.01) (86) International application number: PCT/KR2008/002736 (87) International publication number: WO 2008/147062 (04.12.2008 Gazette 2008/49)

(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: 29.05.2007 KR 20070052186 (71) Applicant: Seo, Dong Soong Siheung-si, Gyeonggi-do 429-788 (KR)	(72) Inventor: CHOI, Wan Soo Siheung-si 429-762 (KR) (74) Representative: Beck, Michael Rudolf  Beck & Rössig European Patent Attorneys Cuvilliésstrasse 14 81679 München 81679 München (DE)