Expanded retroreflective sheet material

Details Expanded retroreflective sheet material Expanded retroreflective sheet material

1985-09-23

1987-12-15

Corbin, John K.

350103, 350442, G02B 5128, G02B 5124, G02B 1700

Patent

active

047128682

ABSTRACT:
Retroreflective sheet material capable of retroreflecting light at high incidence angles is prepared by laminating retroreflective sheeting to a base sheet, slitting the laminated sheet assembly in an array of spaced discontinuous slits, and expanding the laminated sheet assembly so that openings occur at the slits and portions of the laminated sheet assembly between the slits bend out of the plane which they originally occupied.

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