(19)

(11)

EP 0 041 514 A1

(12)

(43) Date of publication: 16.12.1981 Bulletin 1981/50 (21) Application number: 80902357.0 (22) Date of filing: 03.12.1980

(51) International Patent Classification (IPC):  E06B 1/ 04( . ) E06B 1/ 60( . ) E06B 1/ 52( . ) (86) International application number: PCT/NO1980/000041 (87) International publication number: WO 1981/001589 (11.06.1981 Gazette 1981/14)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 04.12.1979 NO 19790003954 (71) Applicant: TORGERSEN, Otto N-Oslo 2 (NO)	(72) Inventor: TORGERSEN, Otto N-Oslo 2 (NO) (74) Representative: Smith, Philip Antony, et al  REDDIE & GROSE 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)