(19)

(11)

EP 0 853 515 A1

(12)

(43) Date of publication: 22.07.1998 Bulletin 1998/30 (21) Application number: 96932254.0 (22) Date of filing: 17.09.1996

(51) International Patent Classification (IPC):  B21D 26/ 02( . ) B21D 51/ 26( . ) B21D 39/ 20( . ) (86) International application number: PCT/US1996/014914 (87) International publication number: WO 1997/012706 (10.04.1997 Gazette 1997/16)

(84) Designated Contracting States: DE DK ES FR GB GR IT NL SE (30) Priority: 02.10.1995 US 19950004679P 16.11.1995 US 19950542422 12.12.1995 US 19950551073 14.02.1996 GB 19960003110 06.03.1996 GB 19960004784 22.03.1996 US 19960621795 15.07.1996 US 19960683575 (71) Applicant: Crown Cork & Seal Technologies Corporation Alsip, IL 60803 (US)

(72) Inventors: HARTMAN, Mark, W. Lambertville, NJ 08530 (US) SHORE, Zeev, W. Toronto, Ontario M4H1L7 (CA) TANG, James, J. Palatine, IL 60067 (US) ASCHBERGER, Anton, A. Downers Grove, IL 60516 (US) GOGOLA, Michael, R. Oak Forest, IL 60452 (US) IRVINE, William, O. Highlands Ranch, CO 80126 (US) TRNKA, Ralph, J. Tinley Park, IL 60477 (US) WAHLER, Richard, O. Palatine, IL 60067 (US) WINKLESS, Robert, A. Oak Lawn, IL 60453 (US) GOLDING, Richard, Mark, Orlando Chicago, IL 60622 (US) HARVEY, David, A. Wokingham, Berkshire RG11 3LE (GB) (74) Representative: Ratliff, Ismay Hilary  CarnaudMetalbox Technology plc, Downsview Road Wantage, Oxon OX12 9BP Wantage, Oxon OX12 9BP (GB)