Carpet Construction and Carpet Backings for Same
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United States of America Patent
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N/A
app pub date -
Jul 25, 2007
filing date -
Mar 17, 1995
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A primary carpet backing that is tuftable with carpet face yarn has a self-bonded or spunbonded or needlepunched nonwoven adhesive fabric needled or thermally bonded to a supporting fabric. The supporting fabric is a tuftable woven primary backing fabric comprising thermoplastic warp and weft yarns having substantially rectangular cross-sections. The nonwoven adhesive fabric comprises fibers or filaments of a thermoplastic resin having flow properties corresponding to a MI of above 30 g/10 min. as measured in accordance with ASTM D 1238 at 190.degree. C. The nonwoven adhesive fabric also has a melting point at least about 20.degree. C. less than a melting point of the thermoplastic of the yarns of the supporting fabric so that the nonwoven-adhesive fabric is capable of melting fully in a final product. The melted fabric can help secure pile to the backing in carpet applications.
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