(19)

(11)

EP 0 793 760 A1

(12)

(43) Date of publication: 10.09.1997 Bulletin 1997/37 (21) Application number: 95937733.0 (22) Date of filing: 14.11.1995

(51) International Patent Classification (IPC):  E06B 3/ 02( . ) E06B 3/ 30( . ) E06B 3/ 24( . ) E06B 3/ 36( . ) (86) International application number: PCT/BE1995/000103 (87) International publication number: WO 1996/016245 (30.05.1996 Gazette 1996/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 22.11.1994 BE 19940001057 (71) Applicant: QUISTEN LIMITED Dublin (IE)	(72) Inventors: BERTEN, Etien B-1020 Brussel (BE) BERTEN, Lieven B-8510 Rollegem (BE) (74) Representative: Donné, Eddy  Bureau M.F.J. Bockstael nv Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)