(19)

(11)

EP 0 022 837 A1

(12)

(43) Date of publication: 28.01.1981 Bulletin 1981/04 (21) Application number: 80900256.0 (22) Date of filing: 21.01.1980

(51) International Patent Classification (IPC):  A47B 88/ 08( . ) A47B 88/ 12( . ) (86) International application number: PCT/SE1980/000018 (87) International publication number: WO 1980/001449 (24.07.1980 Gazette 1980/17)

(84) Designated Contracting States: DE FR GB (30) Priority: 23.01.1979 SE 19790000612 (71) Applicant: AB Gustavsberg S-134 00 Gustavsberg (SE)	(72) Inventor: LANDGREN, Per-Olof S-131 46 Nacka (SE) (74) Representative: Erixon, Bo  Kooperativa Förbundet (KF) Patent Department Box 15200 S-104 65 Stockholm S-104 65 Stockholm (SE)