(19)

(11)

EP 1 001 858 A1

(12)

(43) Date of publication: 24.05.2000 Bulletin 2000/21 (21) Application number: 98942643.2 (22) Date of filing: 28.07.1998

(51) International Patent Classification (IPC)7: B21D 39/04, F16L 19/028, F16L 33/00 (86) International application number: PCT/EP9804/707 (87) International publication number: WO 9907/494 (18.02.1999 Gazette 1999/07)

(84) Designated Contracting States: DE ES FR GB GR IT (30) Priority: 06.08.1997 IT MI971895 (71) Applicant: G.A.M. S.r.l.-Automatic Industrial's Systems 28012 Cressa (IT)	(72) Inventor: BARBERIS, Mario I-13017 Quarona (IT) (74) Representative: Long, Giorgio et al Jacobacci & PeraniVia Senato, 8 20121 Milano 20121 Milano (IT)