Patent ID: 6786988
Filing Date: 2004-09-07
Classification: B29B,B29C,B29K,B29L,D06N,Y02P,Y02W,Y10T

Abstract:
A method of recycling waste carpeting and forming a new carpet containing the recycled waste carpeting comprising:(a) collecting waste carpeting containing calcium carbonate and thermoplastic materials; (b) processing the waste carpeting to provide a first material from the waste carpeting containing a first filler including the calcium carbonate and the thermoplastic materials and reducing the first material to a predetermined size in a range of 50-100 to 95-325 wherein the first number represents the percentage of the first material which will pass through a mesh screen having a mesh size corresponding to the second number; (c) adding the first material to a second material to provide a composite material useful in the manufacture of the new carpet; and (d) making the new carpet containing the composite material; wherein step (c) is practiced to produce a latex carpet backcoating and step (d) includes making new carpeting with the latex carpet backcoating.