Patent ID: 7132022
Filing Date: 2006-11-07
Classification: B32B,B60R,D04H,E04B,Y10T

Abstract:
1. A bi-layer fire resistant (FR) nonwoven fiber batt, comprising: a first FR nonwoven fiber batt having a first side surface; and a second FR nonwoven fiber batt having first and second side surfaces, said first side surface of said first FR nonwoven fiber batt being disposed in a conforming relations with said second side surface of said second FR nonwoven fiber batt; wherein said first FR nonwoven fiber batt is formed from a blend of black oxidized polyacrylonitrile (PAN) fibers, white carrier fibers and white binder fibers; and said second FR nonwoven fiber batt is formed from a blend of white FR rayon fibers, white carrier fibers and white binder fibers.