Abrasive filter assembly and methods of making same

Abrading – Flexible-member tool – per se – Laminate

Reexamination Certificate

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C451S548000, C451S028000

Reexamination Certificate

active

07393269

ABSTRACT:
An abrasive filter assembly with an integral dust collection system. The abrasive filter assembly comprises a porous element, a first filter media with channels, a second filter media, and an attachment interface layer. The openings of the porous element cooperate with the channels to allow the flow of particles from the porous element to the second filter media. The porous element can be an abrasive article or an attachment surface for an abrasive article.

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