Patent ID: 6066188
Filing Date: 2000-05-23
Classification: B24D

Abstract:
A coated abrasive article comprising a backing and abrasive grain on at least one surface of the backing, wherein the backing comprises:(a) about 40-99 wt-% of a solidified organic polymeric binder material, based upon the total weight of the backing; and(b) an effective amount of a fibrous reinforcing material engulfed within the organic polymeric binder material; wherein the organic polymeric binder material and fibrous reinforcing material together comprise a flexible composition in the form of an endless, seamless loop having a length with parallel side edges, and inner and outer surface having no fibrous reinforcing material protruding therefrom; wherein:(i) the fibrous reinforcing material consists of a plurality of distinct noninterlocking layers of fibrous reinforcing material; and(ii) at least one of the plurality of distinct noninterlocking layers of fibrous reinforcing material comprises one or more fibrous strands wrapped in longitudinal extension around the length of the backing loop.