(19)

(11)

EP 0 176 578 A1

(12)

(43) Date of publication: 09.04.1986 Bulletin 1986/15 (21) Application number: 85901996.0 (22) Date of filing: 12.04.1985

(51) International Patent Classification (IPC):  G01C 15/ 04( . ) (86) International application number: PCT/DK1985/000037 (87) International publication number: WO 1985/004951 (07.11.1985 Gazette 1985/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 16.04.1984 DK 19840001237 (71) Applicant: PEDERSEN, Willy Palle DK-8270 Höjbjerg (DK)	(72) Inventor: PEDERSEN, Willy Palle DK-8270 Höjbjerg (DK) (74) Representative: Urbanus, Henricus Maria, Ir., et al  c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107 NL-2587 BP 's-Gravenhage NL-2587 BP 's-Gravenhage (NL)