Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-02-27
2007-02-27
Aftergut, Jeff H. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C427S516000, C427S163400, C156S275700, C264S001340, C264S001380, C264S001900, C359S529000, C359S530000
Reexamination Certificate
active
09870180
ABSTRACT:
Retroreflective sheeting includes a body layer having a structured surface with recessed faces forming cube corner cavities. A reflective film is disposed at least on the recessed faces, and a fill material fills the cube corner cavities. The fill material comprises radiation-curable materials, adhesives, or both, and preferably transparent radiation-curable pressure-sensitive adhesives. The fill material preferably forms a continuous layer covering both the recessed faces and upper portions of the structured surface. A transparent cover layer preferably contacts the fill material layer.
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Benson Gerald M.
Craton Michele A.
Daniels Michael P.
Luehrs Roger E.
Smith Kenneth L.
3M Innovative Properties Company
Aftergut Jeff H.
Goff John L.
Nowak Sandra K.
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