Coating processes – Direct application of electrical – magnetic – wave – or... – Electrostatic charge – field – or force utilized
Patent
1997-01-29
2000-10-03
Le, Hoa T.
Coating processes
Direct application of electrical, magnetic, wave, or...
Electrostatic charge, field, or force utilized
427474, 427598, 427189, 428323, 428403, B05D 104, B29C 3508, B23B 516
Patent
active
061270024
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.
3M Innovative Properties Company
Dowdall Janice L.
Le Hoa T.
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