Patent ID: 9044842
Filing Date: 2015-06-02
Classification: B23D,B24B,B24D,Y10T

Abstract:
1. An abrasive article having a multi-directional abrasion protrusion comprising: a flexible base substrate, and a plurality of abrasion protrusions integrally molded with the base substrate and having at least three sides forming a triangle, wherein the plurality of abrasion protrusions has a directional property by grouping, wherein a hexagonal base portion, a first abrasion protrusion having six lateral sides extending from six lateral sides of the base portion to vertexes, and a second abrasion protrusion including any one of the six lateral sides of the base portion of the first abrasion protrusion, in which lengths of the residual lateral sides are different from a length of any one of the six lateral sides of the base portion of the first abrasion protrusion, are disposed to be connected to each other.