(19)

(11)

EP 0 055 263 A1

(12)

(43) Date of publication: 07.07.1982 Bulletin 1982/27 (21) Application number: 81901694.0 (22) Date of filing: 25.06.1981

(51) International Patent Classification (IPC):  F25B 29/ 00( . ) F28D 7/ 02( . ) F25B 39/ 04( . ) (86) International application number: PCT/GB1981/000108 (87) International publication number: WO 1982/000053 (07.01.1982 Gazette 1982/01)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 25.06.1980 GB 19800020772 (71) Applicant: THERMO HEATING LIMITED Newtownards County Down (GB)	(72) Inventor: NICKELS, John Newtownards, County Down (GB)