(19)

(11)

EP 0 046 771 A1

(12)

(43) Date of publication: 10.03.1982 Bulletin 1982/10 (21) Application number: 81900436.0 (22) Date of filing: 19.02.1981

(51) International Patent Classification (IPC):  A47C 23/ 00( . ) A47C 27/ 14( . ) A47C 27/ 00( . ) (86) International application number: PCT/GB1981/000023 (87) International publication number: WO 1981/002384 (03.09.1981 Gazette 1981/21)

(84) Designated Contracting States: CH DE FR LI NL (30) Priority: 19.02.1980 GB 19800005478 28.08.1980 GB 19800027820 (71) Applicant: RONDEL LIMITED Hamilton (BM)	(72) Inventors: KENNAWAY, Alexander Ashtead Surrey, KT21 2HN (GB) FOUNTAIN, Michael William Gillingham Kent (GB) (74) Representative: Blatchford, William Michael, et al  Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)