(19)

(11)

EP 0 632 863 A1

(12)

(43) Date of publication: 11.01.1995 Bulletin 1995/02 (21) Application number: 93906576.0 (22) Date of filing: 18.03.1993

(51) International Patent Classification (IPC):  E06B 3/ 36( . ) E06B 5/ 10( . ) (86) International application number: PCT/EP1993/000682 (87) International publication number: WO 1993/019276 (30.09.1993 Gazette 1993/24)

(84) Designated Contracting States: ES FR GR IT PT (30) Priority: 19.03.1992 IT 1992MI00644 (71) Applicant: HYDRO ALUMINIUM SYSTEMS S.p.A. I-20040 Bellucsco, Milano (IT)	(72) Inventor: ZANONI, Edoardo I-20124 Milan (IT) (74) Representative: Marchi, Massimo, et al  c/o Marchi & Mittler s.r.l. Viale Lombardia 20 I-20131 Milano I-20131 Milano (IT)