(19)

(11)

EP 0 157 820 A1

(12)

(43) Date of publication: 16.10.1985 Bulletin 1985/42 (21) Application number: 84903498.0 (22) Date of filing: 18.09.1984

(51) International Patent Classification (IPC):  A45F 3/ 14( . ) B63B 35/ 79( . ) (86) International application number: PCT/SE1984/000302 (87) International publication number: WO 1985/001194 (28.03.1985 Gazette 1985/08)

(84) Designated Contracting States: DE NL (30) Priority: 20.09.1983 SE 19830005056 (71) Applicants: HAMMAR, Alf S-436 00 Askim (SE) TVEIT, Egil S-442 57 Kungälv (SE)	(72) Inventors: HAMMAR, Alf S-436 00 Askim (SE) TVEIT, Egil S-442 57 Kungälv (SE) (74) Representative: Lautmann, Kurt O.  KURT LAUTMANNS PATENTBYRA AB Box 245 S-691 25 Karlskoga S-691 25 Karlskoga (SE)