(19)
(11)
EP 0 888 198 A1
(12)
(43)
Date of publication:
07.01.1999
Bulletin 1999/01
(21)
Application number:
97914215.0
(22)
Date of filing:
10.03.1997
(51)
International Patent Classification (IPC):
B21D
22/
20
( . )
(86)
International application number:
PCT/EP1997/001212
(87)
International publication number:
WO 1997/033708
(
18.09.1997
Gazette 1997/40)
(84)
Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI NL PT SE
(30)
Priority:
11.03.1996
NL 19961002566
(71)
Applicant:
HOOGOVENS STAAL B.V.
1970 CA IJmuiden (NL)
(72)
Inventor:
BONGAERTS, Paulus, Cornelis, Petrus
NL-1961 GL Heemskerk (NL)
(74)
Representative:
Herman de Groot, Johan Willem
Hoogovens Corporate Services BV Industrial Property Department P.O. Box 10 000
NL-1970 CA Ijmuiden
NL-1970 CA Ijmuiden (NL)
(54)
METHOD FOR REDUCING BUCKLING DURING THE DEEP-DRAWING OF A CONTAINER