(19)

(11)

EP 0 880 665 A1

(12)

(43) Date of publication: 02.12.1998 Bulletin 1998/49 (21) Application number: 97904134.0 (22) Date of filing: 12.02.1997

(51) International Patent Classification (IPC):  F26B 9/ 06( . ) F26B 9/ 10( . ) (86) International application number: PCT/US1997/001559 (87) International publication number: WO 1997/029333 (14.08.1997 Gazette 1997/35)

(84) Designated Contracting States: FR IT (30) Priority: 12.02.1996 US 19960011476P 26.06.1996 US 19960020598P (71) Applicant: Stanfield, Zenas A. Bloomington, IL 61702 (US)	(72) Inventor: Stanfield, Zenas A. Bloomington, IL 61702 (US) (74) Representative: Hurwic, Aleksander, et al  Cabinet Orès 6, Avenue de Messine 75008 Paris 75008 Paris (FR)