(19)

(11)

EP 0 821 650 A1

(12)

(43) Date of publication: 04.02.1998 Bulletin 1998/06 (21) Application number: 96911694.0 (22) Date of filing: 09.04.1996

(51) International Patent Classification (IPC):  B32B 37/ 10( . ) B30B 5/ 06( . ) B29C 63/ 02( . ) B29L 9/ 00( . ) (86) International application number: PCT/US1996/004952 (87) International publication number: WO 1996/032255 (17.10.1996 Gazette 1996/46)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 10.04.1995 US 19950419457 (71) Applicants: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US) Atlantek, Inc. Wakefield, RI 02879 (US)

(72) Inventors: FIELD, Gary Portsmouth, RI 02871 (US) CORPUS, Paul, V. Wakefield, RI 02879 (US) FOSSUM, Douglas, K. Saint Paul, MN 55133-3427 (US) BINKOWSKI, Leo, J. di (US) PERECMAN, Jack, L. Saint Paul, MN 55133-3427 (US) ROTHWELL, Christian, S. North Kingston, RI 02852 (US) (74) Representative: Hill, Richard, et al  Wilson, Gunn, M'Caw, 41-51 Royal Exchange, Cross Street Manchester M2 7BD Manchester M2 7BD (GB)