Methods for making abrasive articles having decorative patterns

Details Methods for making abrasive articles having decorative patterns Methods for making abrasive articles having decorative patterns

2004-09-21

2009-08-11

Fletcher, III, William Phillip (Department: 1792)

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

C427S243000

Reexamination Certificate

active

07572484

ABSTRACT:
Methods are disclosed for making abrasive articles including decorative patterns. In one embodiment, the method includes printing inks or dyes onto an upper surface of a foam sheet to create a decorative pattern thereon, and bonding abrasive material over the decorative pattern, the abrasive material being translucent or transparent such that the decorative pattern is visible through the abrasive material. In another embodiment, the method includes providing a base layer, mixing abrasive material with binder material, one or more pigments, and a blowing agent, applying the first mixture to one or more regions of an upper surface of the base layer in a predetermined pattern, and curing the first abrasive mixture such that the blowing agent is activated to create an expanded abrasive layer on the upper surface of the base layer that has a thickness greater than adjacent regions of the upper surface.

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