(19)

(11)

EP 0 109 437 A1

(12)

(43) Date of publication: 30.05.1984 Bulletin 1984/22 (21) Application number: 83902062.0 (22) Date of filing: 16.05.1983

(51) International Patent Classification (IPC):  A45D 40/ 00( . ) (86) International application number: PCT/US1983/000765 (87) International publication number: WO 1983/004167 (08.12.1983 Gazette 1983/28)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 26.05.1982 US 19820382072 14.09.1982 US 19820417986 28.03.1983 US 19830479438 (71) Applicant: AE DEVELOPMENT CORPORATION Minneapolis, Minnesota 55427 (US)	(72) Inventor: BENNETT, Robert A. Easton, CT 06612 (US) (74) Representative: Thomson, Paul Anthony, et al  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)