Retroreflective elements

Details Retroreflective elements Retroreflective elements

G - Physics

02

B

G02B 5/12 (2006.01) B29C 70/64 (2006.01) B29D 11/00 (2006.01) E01F 9/04 (2006.01) E01F 9/06 (2006.01) G02B 1/04 (2006.01) G02B 5/128 (2006.01)

Patent

CA 2226222

A process and retroreflective el-ements are provided. The process of preparing a retroreflective element in-cludes the steps of: (a) combining a bed of optical elements and one or more core elements comprising a thermoplas-tic material; and (b) agitating the combi-nation of optical elements and core el-ements for a sufficient period of time and at a sufficient temperature to coat the optical elements onto the core ele-ments to form retroreflective elements.

L'invention concerne un procédé et des éléments rétroréfléchissants. Le procédé de préparation d'un élément rétroréfléchissant consiste à: (a) combiner un lit d'éléments optiques et un ou plusieurs éléments noyaux comprenant un matériau thermoplastique; et (b) agiter la combinaison des éléments optiques et des éléments noyaux sur une durée suffisante et à une température suffisante pour recouvrir les éléments noyaux des éléments optiques et former ainsi des éléments rétroréfléchissants.

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