DUAL LAYER CARPET
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United States of America Patent
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Issued Date -
Oct 13, 2016
app pub date -
Nov 5, 2014
filing date -
Nov 5, 2014
priority date (Note) -
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Abstract
A dual layer carpet comprising at least a needle punched surface layer made of staple fibres and an adjacent needle punched cushioning layer made of staple fibres characterised in that the surface layer and the cushioning layer comprise of at least 25% of hollow staple fibres.
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