(19)

(11)

EP 0 020 653 A1

(12)

(43) Date of publication: 07.01.1981 Bulletin 1981/01 (21) Application number: 79901655.0 (22) Date of filing: 23.11.1979

(51) International Patent Classification (IPC):  E06B 7/ 36( . ) (86) International application number: PCT/DK1979/000052 (87) International publication number: WO 1980/001090 (29.05.1980 Gazette 1980/12)

(84) Designated Contracting States: CH DE FR NL SE (30) Priority: 23.11.1978 DK 19780005216 (71) Applicants: SIMONSEN, Jorgen Andreas DK-2635 Ishoj (DK) KIRSCHNER, Benny DK-2635 Ishoj (DK)	(72) Inventor: SIMONSEN, Jorgen Andreas DK-2700 Bronshoj (DK)