(19)

(11)

EP 2 147 239 A1

(12)

(43) Date of publication: 27.01.2010 Bulletin 2010/04 (21) Application number: 07775688.0 (22) Date of filing: 18.04.2007

(51) International Patent Classification (IPC):  F16K 31/44(2006.01) F15C 1/16(2006.01) F16K 35/00(2006.01) B24C 7/00(2006.01) (86) International application number: PCT/US2007/009482 (87) International publication number: WO 2008/130345 (30.10.2008 Gazette 2008/44)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Nguyen, Phuoung Taylor Richmond, TX 77469 (US)	(72) Inventor: Nguyen, Phuoung Taylor Richmond, TX 77469 (US) (74) Representative: Bray, Richard Anthony et al Marks & Clerk LLP Sussex House 83-85 Mosley Street Manchester M2 3LG 83-85 Mosley Street Manchester M2 3LG (GB)