(19)

(11)

EP 1 623 166 A1

(12)

(43) Date of publication: 08.02.2006 Bulletin 2006/06 (21) Application number: 04730744.2 (22) Date of filing: 30.04.2004

(51) International Patent Classification (IPC):  F25B 39/02(1968.09) F25B 1/00(1968.09) B60H 1/32(1985.01) F28F 9/02(1968.09) (86) International application number: PCT/JP2004/006401 (87) International publication number: WO 2004/099686 (18.11.2004 Gazette 2004/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 09.05.2003 JP 2003132044 16.06.2003 US 478303 P (71) Applicant: Showa Denko K.K. Tokyo 105-8518 (JP)	(72) Inventors: SHINMURA, Etsuo, c/o Oyama Regional Office Oyama-shi, Tochigi, 323-0811 (JP) HANEDA, Osamu, c/o Oyama Regional Office Oyama-shi, Tochigi, 323-0811 (JP) TAKE, Koichiro, c/o Oyama Regional Office Oyama-shi, Tochigi, 323-0811 (JP) (74) Representative: Viering, Hans-Martin  Patent- und Rechtsanwälte Viering, Jentschura & Partner, Steindorfstrasse 6 80538 München 80538 München (DE)