(19)

(11)

EP 0 070 839 A1

(12)

(43) Date of publication: 09.02.1983 Bulletin 1983/06 (21) Application number: 82900307.0 (22) Date of filing: 26.01.1982

(51) International Patent Classification (IPC):  A42B 1/ 04( . ) A62B 17/ 04( . ) (86) International application number: PCT/GB1982/000021 (87) International publication number: WO 1982/002665 (19.08.1982 Gazette 1982/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 05.02.1981 GB 19810003520 24.08.1981 GB 19810025798 (71) Applicants: DE LA PENA, Michael Berkshire (GB) SMALL, Charles Wocker CH-1201 Geneva (CH)	(72) Inventors: DE LA PENA, Michael Berkshire (GB) SMALL, Charles Wocker CH-1201 Geneva (CH) (74) Representative: Cook, Anthony John, et al  D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)