Patent ID: 6689443
Filing Date: 2004-02-10
Classification: A47L,B32B,Y10T

Abstract:
A dust control mat comprising: a pile surface and a backing layer disposed beneath the pile surface, wherein the pile surface comprises segmented portions of previously used mat structures arranged across the backing layer in combination with segments of virgin pile-forming material and wherein the segmented portions of previously used mat structures and segments of virgin pile-forming material are adhered in a predefined fixed positional relation across the backing layer, the segmented portions of previously used mat structures comprising a plurality of pile yarns of kinked, frayed texture indicative of multiple launderings relative to the segments of virgin pile-forming material such that in an as-constructed condition the texture of the pile surface varies across the mat in a predefined pattern corresponding to the pattern of the segmented portions of previously used mat structures and the segments of virgin pile-forming material and wherein at the location of at least a percentage of the segmented portions of previously used mat structures the backing layer comprises a layer of rubber material pre-applied to said segmented portions of previously used mat structures vulcanized to at least a second discrete layer of rubber material such that the backing layer at the location of said segmented portions of previously used mat structures comprises at least two layers of rubber material.