Patent ID: 6726976
Filing Date: 2004-04-27
Classification: D04H,D05C,D06N,Y10T

Abstract:
A tufted pile structure comprising:a backing having an upper and a lower face thereon; a plurality of yarns tufted into the backing, each yarn being tufted by a separate tufting needle through a plurality of needle insertion points in the backing to form face fiber elements that lie adjacent to the upper face of the backing and backstitch elements that overlay the lower face of the backing, the insertion points produced by the tufting needles forming a pattern of parallel lines that extend along the backing; and an activated binder material disposed beneath the backstitch to hold the backstitch elements to the backing, the activated binder material being concentrated along the lines of insertion points with the lower face of the backing between adjacent lines of insertion points being left substantially free of binder.