(19)

(11)

EP 0 754 119 A1

(12)

(43) Date of publication: 22.01.1997 Bulletin 1997/04 (21) Application number: 95912702.0 (22) Date of filing: 28.02.1995

(51) International Patent Classification (IPC):  B29C 67/ 20( . ) B29C 67/ 00( . ) B29L 7/ 00( . ) B29C 65/ 74( . ) B29K 105/ 04( . ) (86) International application number: PCT/US1995/002649 (87) International publication number: WO 1995/026870 (12.10.1995 Gazette 1995/43)

(84) Designated Contracting States: DE DK FR GB IT NL (30) Priority: 05.04.1994 US 19940223104 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: MITCHELL, James, G. Saint Paul, MN 55133-3427 (US) THOMPSON, Craig, D. Saint Paul, MN 55133-3427 (US) LUHMAN, Robert, A. Saint Paul, MN 55133-3427 (US) STEIGER, Howard, F. Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)