G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/124 (2006.01)
Patent
CA 2404062
Retroreflective sheeting includes a transparent film, a pigmented layer having pigmented indicia thereon, and a retroreflective cube layer. The cube layer includes a number of cube corner elements bounded by at least two sets of intersecting grooves. A metallic film is disposed on at least some of the cube corner elements. The pigmented layer is interposed between the transparent film and the cube layer, and has pigmented indicia aligned with at least one of the sets of intersecting grooves.
Un revêtement rétroréfléchissant comprend un film transparent, une couche pigmentée possédant des repères pigmentés et une couche cubique rétroréfléchissante. La couche cubique comprend plusieurs éléments tétraèdres rectangles liés par au moins deux ensembles de rainures se croisant. Un film métallique est prévu sur au moins certains éléments tétraèdres rectangles. La couche pigmentée est prévue entre le film transparent et la couche cubique et possède des repères pigmentés alignés avec au moins un des ensembles de rainures se croisant.
Chirhart Dennis J.
Coderre James C.
Frank John W.
Johnson Stephen A.
Mcgurran Daniel J.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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