Bi-layer nonwoven fire resistant batt and an associated...

Details Bi-layer nonwoven fire resistant batt and an associated... Bi-layer nonwoven fire resistant batt and an associated...

2006-11-07

2006-11-07

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S062800, C264S112000, C264S113000, C442S327000, C442S381000, C442S359000, C442S415000

Reexamination Certificate

active

07132022

ABSTRACT:
A bi-layered fire resistant (FR) nonwoven fiber batt and an associated method for manufacturing the same. The bi-layered FR nonwoven fiber batt includes a first, gray, FR layer, formed from a blend of black oxidized polyacrylonitrile (oxidized PAN), white dry polyester carrier fibers and white low-melt polyester binder fibers, and a second, white, layer, formed from a blend of white FR rayon, white dry polyester carrier fibers and white low-melt polyester binder fibers, disposed in a conforming relationship with the first, gray, FR layer.

REFERENCES:
patent: 3616124 (1971-10-01), Danhel et al.
patent: 4818586 (1989-04-01), Smith et al.
patent: WO 200168341 (2001-09-01), None
patent: WO 2003023108 (2003-03-01), None
Textile World The 2003 Man-Made Fiber Chart.

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