(19)

(11)

EP 0 082 139 A1

(12)

(43) Date of publication: 29.06.1983 Bulletin 1983/26 (21) Application number: 81901990.0 (22) Date of filing: 26.06.1981

(51) International Patent Classification (IPC):  F24H 1/ 10( . ) (86) International application number: PCT/US1981/000876 (87) International publication number: WO 1983/000210 (20.01.1983 Gazette 1983/02)

(84) Designated Contracting States: CH DE FR GB LI LU NL SE (71) Applicant: WOOD, Harry E. New Orleans, LA 70118 (US)	(72) Inventor: WOOD, Harry E. New Orleans, LA 70118 (US) (74) Representative: Coxon, Philip, et al  Eric Potter & Clarkson St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)