B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/00 (2006.01) B24D 11/00 (2006.01)
Patent
CA 2173353
An abrasive article (10) including a colorant (16) applied to the substrate (11) which is visible through the abrasive medium (17) and which denotes the grade of the abrasive medium. The colorant (16) can be applied to the front side (14) of the substrate (11), and the abrasive medium (17) includes a make coat (18), size coat (20) and abrasive particles (22) which are light transmissive when applied to the substrate (11) over the colorant (16) such that the colorant (16) is visible through the abrasive medium (17). A method of making an abrasive article (10) having a colorant (16) applied to the substate (11) and visible through the abrasive medium (17) is also disclosed as is a system for identifying the grade of the abrasive article (10).
L'invention concerne un article abrasif (10) comprenant un colorant (16) appliqué au substrat (11) qui est visible à travers l'élément abrasif (17) et qui désigne la qualité de ce dernier. Le colorant (16) peut être appliqué au côté avant (14) du substrat (11), et l'élément abrasif (17) comprend une couche principale (18), une couche latérale (20) et des particules abrasives (22) qui transmettent la lumière lorsqu'elles sont appliquées au substrat (11) sur le colorant (16) de telle sorte que ce dernier est visible à travers l'élément abrasif (17). L'invention a également pour objet un procédé de fabrication d'un article abrasif (10) comportant un colorant (16) ainsi qu'un système d'identification de la qualité de l'article abrasif (10).
Carter Christopher J.
Francis David James
Henney Anthony John
Sellars Adrian Peter
Swinnerton Richard Frank
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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