(19)

(11)

EP 1 029 208 A1

(12)

(43) Date of publication: 23.08.2000 Bulletin 2000/34 (21) Application number: 97912702.4 (22) Date of filing: 08.10.1997

(51) International Patent Classification (IPC)7: F25B 15/00, F25B 27/00 (86) International application number: PCT/US9718/338 (87) International publication number: WO 9918/398 (15.04.1999 Gazette 1999/15)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL SE (71) Applicants: Schubach, Frank N. Spokane, WA 99212 (US) SCHUBACH, Gary Spokane, WA 99212 (US)	(72) Inventors: Schubach, Frank N. Spokane, WA 99212 (US) SCHUBACH, Gary Spokane, WA 99212 (US) (74) Representative: Pratt, David Martin et al Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)