(19)
(11)
EP 0 419 494 A1
(12)
(43)
Date of publication:
03.04.1991
Bulletin 1991/14
(21)
Application number:
89905088.0
(22)
Date of filing:
12.03.1989
(51)
International Patent Classification (IPC):
B21C
37/
08
( . )
B21C
37/
09
( . )
(86)
International application number:
PCT/EP1989/000257
(87)
International publication number:
WO 1990/010509
(
20.09.1990
Gazette 1990/22)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(71)
Applicant:
MARCEGAGLIA S.p.A.
I-46040 Gazoldo degli Ippoliti (Mantova) (IT)
(72)
Inventor:
MARCEGAGLIA, Steno
I-46040 Gazoldo degli Ippoliti (IT)
(74)
Representative:
Modiano, Guido, Dr.-Ing.
Modiano & Associati S.r.l. Via Meravigli, 16
I-20123 Milano
I-20123 Milano (IT)
(54)
APPARATUS FOR THE CONTINUOUS PRODUCTION OF SMALL-DIAMETER WELDED PIPES