(19)

(11)

EP 0 040 231 A1

(12)

(43) Date of publication: 25.11.1981 Bulletin 1981/47 (21) Application number: 80902284.0 (22) Date of filing: 20.11.1980

(51) International Patent Classification (IPC):  B25B 13/ 32( . ) B25B 13/ 50( . ) (86) International application number: PCT/DK1980/000074 (87) International publication number: WO 1981/001385 (28.05.1981 Gazette 1981/13)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 20.11.1979 DK 19790004930 (71) Applicant: LARSEN, Egon Salting DK-4572 Nr. Asmindrup (DK)	(72) Inventor: LARSEN, Egon Salting DK-4572 Nr. Asmindrup (DK) (74) Representative: Freed, Arthur Woolf, et al  MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)