(19)

(11)

EP 0 822 770 A1

(12)

(43) Date of publication: 11.02.1998 Bulletin 1998/07 (21) Application number: 96911176.0 (22) Date of filing: 24.04.1996

(51) International Patent Classification (IPC):  A47B 57/ 48( . ) (86) International application number: PCT/SE1996/000541 (87) International publication number: WO 1996/033639 (31.10.1996 Gazette 1996/48)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL PT SE (30) Priority: 24.04.1995 SE 19950001492 (71) Applicant: Liedström, Jan 118 59 Stockholm (SE)	(72) Inventor: Liedström, Jan 118 59 Stockholm (SE) (74) Representative: Sundström, Per Olof, et al  Stenhagen Patentbyra AB P.O. Box 4630 116 91 Stockholm 116 91 Stockholm (SE)