Stock material or miscellaneous articles – Structurally defined web or sheet – Including sheet or component perpendicular to plane of web...
Patent
1985-12-23
1987-07-07
Kittle, John E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including sheet or component perpendicular to plane of web...
428325, 428433, B32B 700, B32B 1500, G02B 5124, G02B 5128
Patent
active
046786953
ABSTRACT:
A hermetically sealed retroreflective sheeting having improved resistance to delamination and improved brightness comprising a monolayer of microspheres supported in a layer of binder material, a layer of reflective material disposed behind said microspheres, and a cover film disposed in spaced relation in front of the microspheres. The cover film is in, at most, tangential contact with the microspheres. The binder material forms a network of walls surrounding individual microspheres and is in adherent contact with the cover film. Each microsphere is "exposed", i.e., air-incident.
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Bacon, Jr. Chester A.
Tung Chi F.
Jordan Robert H.
Kittle John E.
Minnesota Mining and Manufacturing Company
Ryan Patrick J.
Sell Donald M.
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