FLEXIBLE CARPET CUSHION AND APPARATUS FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jun 26, 2015
filing date -
Jun 26, 2014
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Abstract
A system for continuously producing flexible carpet cushion having a mixing assembly positioned proximate to a slat press that is configured to dispense an uncured polyurethane (PU) foam onto a lower substrate associated with the moving lower plate of the slat press. As the uncured PU foam enters the slat press, an upper substrate associated with the upper plate of the slat press contacts the upper surface of the dispensed PU foam and the PU foam undergoes blowing to a gauged thickness and cures between the upper and lower plates of the slat press.
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