(19)

(11)

EP 0 448 645 A1

(12)

(43) Date of publication: 02.10.1991 Bulletin 1991/40 (21) Application number: 90901466.0 (22) Date of filing: 15.12.1989

(51) International Patent Classification (IPC):  B23D 31/ 00( . ) (86) International application number: PCT/US1989/005786 (87) International publication number: WO 1990/006829 (28.06.1990 Gazette 1990/15)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI LU NL SE (30) Priority: 19.12.1988 US 19880286086 13.04.1989 US 19890337359 13.11.1989 US 19890435196 (71) Applicant: ADOLPH COORS COMPANY Golden, CO 80401 (US)	(72) Inventors: JOHANSSON, Bert, E. Golden, CO 80403 (US) BOWLES, Ray, L. Golden, CO 80401 (US) (74) Representative: Baillie, Iain Cameron, et al  c/o Ladas & Parry Altheimer Eck 2 D-80331 München D-80331 München (DE)