Abstract: A process for modifying the appearance of a surface is provided. The process includes a stage of spraying particles exhibiting a maximum size of less than or equal to 500 ?m. The sprayed particles exhibit a relative density of greater than 90%, more than 5% and less than 80% by volume of the sprayed particles being particles exhibiting a salient sharp edge. The salient sharp edge is referred to as “notching particles”.
Type:
Grant
Filed:
April 22, 2016
Date of Patent:
February 18, 2020
Assignee:
SAINT-GOBAIN CETRE DE RECHERCHES ET D'ETUDES EUROPEEN
Inventors:
Anne-Laure Beaudonnet, Julien Cabrero, Thomas Lambert