Single layer fireblocking fabric for a mattress or mattress...

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 1/42 (2006.01) D01F 2/06 (2006.01) D01F 6/60 (2006.01)

Patent

CA 2530183

This invention relates to a single layer nonwoven fabric useful as a fireblocking component for mattresses, and a mattress or mattress set comprising the nonwoven fabric, and a process for fireblocking said mattress and mattress set; the nonwoven fabric comprising at least 0.5 ounces per square yard (17 grams per square meter) of a cellulose fiber that retains at least 10 percent of its fiber weight when heated in air to 700~C at a rate of 20 degrees C per minute, and at least 0.5 ounces per square yard (17 grams per square meter) of an organic fiber that retains 90 percent of its fiber weight when heated in air to 500~C at a rate of 20 degrees C per minute, the fabric having a basis weight having at least 2.5 ounces per square yard (85 grams per square meter), a density of at least 0.16 gram/cm3, and an air permeability of 70 meters/min (225 ft/min) or less.

La présente invention a trait à un non-tissé monocouche utile en tant que composant ignifuge pour des matelas, et un matelas ou ensemble de matelas comportant le non-tissé, et un procédé d'ignifugeage dudit matelas et ensemble de matelas, le non-tissé comportant au moins 0,5 onces par yard carré (17 grammes par mètre carré) d'une fibre cellulosique qui retient au moins 10 % de son poids de fibre lorsqu'elle est chauffée à l'air jusqu'à 700 ·C à un taux de 20 ·C/minute, et au moins 0,5 onces par yard carré (17 grammes par mètre carré) d'une fibre organique qui retient 90 % de son poids de fibre lorsqu'elle est chauffée à l'air jusqu'à 500 ·C à un taux de 20 ·C/minute, le tissu présentant une masse surfacique ayant au moins 2,5 onces par yard carré (85 grammes par mètre carré), une densité égale ou supérieure à 0,16 grammes/cm?3¿, et une perméabilité à l'air égale ou inférieure à 70 mètres/minute (225 pieds/minute).

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