(19)

(11)

EP 0 859 675 A1

(12)

(43) Date of publication: 26.08.1998 Bulletin 1998/35 (21) Application number: 96927983.0 (22) Date of filing: 16.08.1996

(51) International Patent Classification (IPC):  B22D 11/ 06( . ) B22D 11/ 103( . ) B22D 11/ 10( . ) B22D 11/ 119( . ) (86) International application number: PCT/SE1996/001020 (87) International publication number: WO 1997/006906 (27.02.1997 Gazette 1997/10)

(84) Designated Contracting States: AT DE FR GB SE (30) Priority: 16.08.1995 SE 19950002867 (71) Applicant: MANNESMANN Aktiengesellschaft 40213 Düsseldorf (DE)	(72) Inventors: HOLMBERG, Anders S-973 31 Lule (SE) HOLMGREN, Allan S-975 98 Lule (SE) (74) Representative: Aslund, Roland  Avesta Patentbyra P.O. Box 99 77501 Krylbo 77501 Krylbo (SE)