Microstructured articles of the invention comprising, in order: a) a retroreflective microstructured member; b) a sealing layer melt-bonded to the microstructured member; and c) a backing member. The backing member is a fibrous web comprising a plurality of multifilament strands and is melt-bonded to...http://www.google.fr/patents/US6004422?utm_source=gb-gplus-shareBrevet US6004422 - Microstructured articles with backing and methods of manufacture
Microstructured articles with backing and methods of manufacture
