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(11)

EP 1 730 369 A1

(12)

(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05723679.6 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  E04H 1/12(2006.01) (86) International application number: PCT/US2005/005912 (87) International publication number: WO 2005/083202 (09.09.2005 Gazette 2005/36)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 26.02.2004 US 789728 (71) Applicant: Dragon Claw (U.S.A.) Inc. Irwindale, CA 91706 (US)	(72) Inventor: WANG, Leo, Chi-Hong Irwindale, CA 91706 (US) (74) Representative: Viering, Jentschura & Partner  Steinsdorfstrasse 6 80538 München 80538 München (DE)