Sign letter structure

Details Sign letter structure Sign letter structure

G - Physics

09

F

40/55

G09F 13/08 (2006.01) G09F 13/06 (2006.01)

Patent

CA 1096616

ABSTRACT OF DISCLOSURE A sign letter structure for use in an illuminated sign and a composite extruded thermoplastic strip conforming to the periphery of a generally flat letter-form making up the sign, the extruded strip having parallel longitudinally extending spaced opaque sections with a transparent thermoplastic section there- between, the perimetrical edging of the strip extending inwardly of the frame with the front surface of the edge in contact with the front surface of the letter-form, the transparent section having a convex outer surface and a ridged inner surface for picking up light rays and for diffusing such light rays after they have passed through the transparent section.

300087

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