(19)

(11)

EP 0 033 338 A1

(12)

(43) Date of publication: 12.08.1981 Bulletin 1981/32 (21) Application number: 80901609.0 (22) Date of filing: 04.08.1980

(51) International Patent Classification (IPC):  F24D 5/ 02( . ) F24H 1/ 22( . ) F24D 19/ 10( . ) H05B 1/ 02( . ) (86) International application number: PCT/US1980/000982 (87) International publication number: WO 1981/000500 (19.02.1981 Gazette 1981/05)

(84) Designated Contracting States: FR (30) Priority: 06.08.1979 US 19790064112 (71) Applicant: PARTINGTON, Everett J. Oconomowoc, WI 53066 (US)	(72) Inventor: PARTINGTON, Everett J. Oconomowoc, WI 53066 (US)