Durable, open-faced retroreflective prismatic construction

Details Durable, open-faced retroreflective prismatic construction Durable, open-faced retroreflective prismatic construction

G - Physics

02

B

G02B 5/124 (2006.01) H05B 33/22 (2006.01)

Patent

CA 2361048

Retroreflective sheeting and a method for making the same includes a plurality of open-faced cube-corner surfaces formed from a substantially rigid material to keep the cube-corner surfaces from flexing. An optical coating is formed on the surfaces, and a fill layer is attached to at least a portion of the optical coating. A plurality of voids form the open-faced cube-corner surfaces.

L'invention concerne une feuille rétroréfléchissante ainsi qu'un procédé de fabrication associé, consistant à produire une feuille comprenant plusieurs surfaces prismatiques à surfaces découvertes, à partir d'un matériau sensiblement rigide, de manière à empêcher ces surfaces prismatiques de se plier, puis à former un revêtement optique sur les surfaces, et à attacher une couche de remplissage à au moins une portion du revêtement optique, plusieurs vides formant les surfaces prismatiques, à faces découvertes.

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