(19)

(11)

EP 0 091 444 A1

(12)

(43) Date of publication: 19.10.1983 Bulletin 1983/42 (21) Application number: 82902985.0 (22) Date of filing: 01.10.1982

(51) International Patent Classification (IPC):  G03B 17/ 56( . ) A45F 5/ 00( . ) A45C 13/ 00( . ) F16M 13/ 04( . ) (86) International application number: PCT/FI1982/000041 (87) International publication number: WO 1983/001370 (28.04.1983 Gazette 1983/10)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 16.10.1981 FI 19810003250 (71) Applicant: WATEK LTD. SF-00330 Helsinki 33 (FI)	(72) Inventor: VATANEN, Antti SF-00330 Helsinki 33 (FI)