(19)

(11)

EP 0 278 953 A1

(12)

(43) Date of publication: 24.08.1988 Bulletin 1988/34 (21) Application number: 87900108.0 (22) Date of filing: 06.12.1986

(51) International Patent Classification (IPC):  B30B 11/ 22( . ) C11D 13/ 18( . ) (86) International application number: PCT/EP1986/000719 (87) International publication number: WO 1987/003901 (02.07.1987 Gazette 1987/14)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.12.1985 IT 19850024191U (71) Applicant: COSTRUZIONI MECCANICHE G. MAZZONI S.p.A. I-21052 Busto Arsizio(Varese) (IT)	(72) Inventor: MAZZONI, Guido I-21052 Busto Arsizio (IT) (74) Representative: Dr. Ing. A. Racheli & C. S.r.l.  Viale San Michele del Carso, 4 I-20144 Milano I-20144 Milano (IT)