Method for forming a retroreflective sheeting

Details Method for forming a retroreflective sheeting Method for forming a retroreflective sheeting

1995-05-18

2000-11-07

Krynski, William

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264219, 264225, 264226, 427164, 427165, B29C 3340

Patent

active

061432245

ABSTRACT:
The method for forming a retroreflective sheeting includes providing a first layer and forming a prism array on the first layer. A second layer is applied to the prism array. The first thermoplastic layer is welded to the second thermoplastic layer, while applying a die having a plurality of cells with multi-course, hatched patterned perimeters to the layers to dislocate a portion of the prism array, thereby allowing the first layer to be bonded to the second layer at the portion.

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