Durable, open-faced retroreflective prismatic construction

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

2005-11-22

2005-11-22

Chevalier, Alicia (Department: 1772)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C428S161000, C428S163000, C428S164000, C359S529000, C359S530000

Reexamination Certificate

active

06967053

ABSTRACT:
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.

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PLX, Inc., “Hard-Mounted Hollow Retroreflector,” accessed Dec. 16, 1999 (available from www.plxinc.com/hmhrfrnt.html).
PLX, Inc., “Hollow Retroreflector Arrays for Modern FTIR Long-Path Spectroscopy,” accessed Dec. 16, 1999 (available from www.plxinc.com/hrafrnt.html).

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