(19)

(11)

EP 1 397 607 A1

(12)

(43) Date of publication: 17.03.2004 Bulletin 2004/12 (21) Application number: 01946567.3 (22) Date of filing: 19.06.2001

(51) International Patent Classification (IPC)7: F16K 31/22 (86) International application number: PCT/US2001/019651 (87) International publication number: WO 2002/103233 (27.12.2002 Gazette 2002/52)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicants: Huber, Donald G. Tacoma, WA 98464 (US) Stakset, Allen I. Tacoma, WA 98445 (US)	(72) Inventors: Huber, Donald G. Tacoma, WA 98464 (US) Stakset, Allen I. Tacoma, WA 98445 (US) (74) Representative: Miller, James Lionel Woolverton et al Kilburn & Strode,20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)