Retroreflective sheeting with retroreflective markings

Details Retroreflective sheeting with retroreflective markings Retroreflective sheeting with retroreflective markings

G - Physics

02

B

240/150

G02B 5/128 (2006.01) G06K 19/14 (2006.01) G09F 13/16 (2006.01)

Patent

CA 1070282

ABSTRACT Retroreflective sheeting is taught which incorpo- rates markings that are distinctly visible when the sheet- ing is viewed at an angle under retroreflective viewing conditions, thereby allowing a viewer to determine the identity of the sheeting. The sheeting comprises a mono- layer of microsphere-lenses; a spacing layer coated on the microsphere-lenses and contoured so as to generally follow the curved back surfaces of the microsphere-lenses; a specularly reflective layer coated over the spacing layer; and a transparent image layer disposed in an imagewise pattern between the spacing layer and specularly reflective layer, with the thickness of the image layer being greater in the valleys of the spacing layer between the microsphere- lenses than on the curved surfaces directly in back of the microsphere-lenses.

286566

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