(19)

(11)

EP 0 620 799 A1

(12)

(43) Date of publication: 26.10.1994 Bulletin 1994/43 (21) Application number: 93904507.0 (22) Date of filing: 20.01.1993

(51) International Patent Classification (IPC):  B26D 7/ 10( . ) B65H 19/ 22( . ) B65H 19/ 29( . ) B26D 7/ 27( . ) B65H 19/ 26( . ) (86) International application number: PCT/US1993/000368 (87) International publication number: WO 1993/014013 (22.07.1993 Gazette 1993/18)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 21.01.1992 US 19920823379 21.01.1992 US 19920823665 21.01.1992 US 19920823961 (60) Divisional application: 00100364.9 / 0999160 (60) Divisional application: 96108947.1 / 0733571 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: OGREN, Harvey, D. Saint Paul, MN 55133-3427 (US) ALBRECHT, James, L. Saint Paul, MN 55133-3427 (US) VOLIN, Leonard, M. Saint Paul, MN 55133-3427 (US) (74) Representative: Baillie, Iain Cameron  c/o Ladas & Parry Altheimer Eck 2 D-80331 München D-80331 München (DE)