Ultra-flexible retroreflective sheeting with coated back...

G - Physics – 02 – B

Patent

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Details

G02B 5/124 (2006.01)

Patent

CA 2250526

A retroreflective article comprising an ultra-flexible structured retroreflective sheeting having a front surface and a back surface, the sheeting retroreflecting light entering through the front surface, wherein the sheeting comprises an overlay film, a two-dimensional array of substantially independent structured elements, the structured elements bonded to the overlay film, and a sealing film forming the back surface of the sheeting and bonded to the overlay film between the structured elements; a plurality of indentations in the sealing film; and a seal coat located on the sealing film, wherein the seal coat at least partially fills the indentations in the sealing film.

L'invention concerne un article de rétroréflexion. Cet article comprend une feuille de rétroréflexion structurée ulta-souple, pourvue d'une surface avant et d'une surface arrière. Cette feuille assure la rétroréflexion de la lumière pénétrant par la surface avant. L'article comprend une pellicule de couverture, un ensemble bidimensionnel d'éléments structurés sensiblement indépendants, liés à ladite pellicule de couverture, et une pellicule d'étanchéité formant la surface arrière de la feuille et liée à la pellicule de couverture entre les éléments structurés. Par ailleurs, plusieurs entailles sont ménagées dans la pellicule d'étanchéité, et un revêtement d'étanchéité, placé sur cette dernière pellicule, remplit au moins partiellement les entailles ménagées dans la pellicule d'étanchéité.

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