(19)

(11)

EP 0 438 589 A1

(12)

(43) Date of publication: 31.07.1991 Bulletin 1991/31 (21) Application number: 90914803.0 (22) Date of filing: 15.08.1990

(51) International Patent Classification (IPC):  F24C 15/ 10( . ) F24C 15/ 36( . ) (86) International application number: PCT/US1990/004609 (87) International publication number: WO 1991/002926 (07.03.1991 Gazette 1991/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 16.08.1989 US 19890394580 05.04.1990 US 19900505038 10.07.1990 US 19900550411 (71) Applicant: ESPOSITO, Frank Brooklyn, NY 11228 (US)	(72) Inventor: ESPOSITO, Frank Brooklyn, NY 11228 (US) (74) Representative: Laufhütte, Dieter, Dr.-Ing.  Lorenz-Seidler-Gossel Widenmayerstrasse 23 D-80538 München D-80538 München (DE)