POLYURETHANE CARPET BACKING AND APPARATUS AND METHOD FOR PRODUCING

A reactive polyurethane mixture is applied by a high pressure airless spray applicator directly onto the primary backing of a moving substrate such as a carpet web, The applied reactive mixture is allowed to foam to an approximate predetermined thickness and density. While the blown or foamed backin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: POTEET, WILLIAM C, WALLS, FRANCIS G, TERRY, CLAUDE E, HAMRICK, GLEN F
Format: Patent
Sprache:eng ; fre
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