(19)

(11)

EP 0 034 604 A1

(12)

(43) Date of publication: 02.09.1981 Bulletin 1981/35 (21) Application number: 80901584.0 (22) Date of filing: 13.08.1980

(51) International Patent Classification (IPC):  B03B 9/ 06( . ) B65G 33/ 12( . ) B03B 11/ 00( . ) (86) International application number: PCT/SE1980/000207 (87) International publication number: WO 1981/000394 (19.02.1981 Gazette 1981/05)

(84) Designated Contracting States: AT CH DE FR GB LI NL (30) Priority: 13.08.1979 SE 19790006760 (71) Applicant: BOGEN, Jan Odd S-640 45 Kvicksund (SE)	(72) Inventor: BOGEN, Jan Odd S-640 45 Kvicksund (SE) (74) Representative: Alfredson, Stig, et al  Albihn Holmqvist AB, Box 3137 S-103 62 Stockholm S-103 62 Stockholm (SE)