Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1994-11-15
1997-02-04
Le, Hoa T.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428403, 428692, 428900, 428913, B32B 516
Patent
active
055996183
ABSTRACT:
The present invention provides pressure-sensitive adhesive beads that comprise a tacky pressure-sensitive adhesive core and a non-tacky shell material that surrounds the area wherein the beads are capable of being positioned via magnetic means. The present invention also provides method(s) of preparing adhesive coated substrates using pressure-sensitive adhesive bead(s) that are magnetically responsive, electrostatically responsive or both by using magnetic forces, electrostatic forces or both.
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Callahan, Jr. Joseph P.
Enanoza Rudyard M.
Groess Michael S.
Weigel Mark D.
Dowdall Janice L.
Griswold Gary L.
Kirn Walter N.
Le Hoa T.
Minnesota Mining and Manufacturing Company
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