Patent ID: 6114003
Filing Date: 2000-09-05
Classification: B32B,B60R,E04B,Y10S,Y10T

Abstract:
An insulation blanket, comprising:a) an inner core air cell made of metal and having a first side for receiving a first composite and a second side for receiving a second composite;b) said first composite having a first inner layer formed of a metal foil sheet, a first middle layer formed of ceramic based sheets, and a first outer layer formed of an intumescent, fire-retardant coating on a fiberglass sheet;c) said second composite having a second inner layer formed of a metal foil sheet, a second middle layer formed of ceramic based sheets, and a second outer layer formed of an intumescent, fire-retardant coating on a fiberglass sheet;d) said insulation blanket provides protection at least 60 minutes at a temperature of op to 2000.degree. F.; ande) said insulation blanket has a weight of less 0.5 lbs. per square foot.