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US 4,495,238 AGranted
Fire resistant thermal insulating structure and garments produced therefrom
AssigneePall Corporation
InventorJoseph G. Adiletta
Life of this patent
Estimating the term…
Abstract
Fire resistant thermal insulating composite structures, particularly garments, comprised of a mixture of from about 50 to about 94 percent by weight of inorganic microfibers, particularly glass, and about 50 to about 6 percent by weight of a heat resistant binding agent. The structures are porous, allowing them to breath. The structures are also flexible and pliant and have a Thermal Resistance of at least about 25 seconds.
Claims20
A porous, flexible and pliant fire and heat resistant composite structure comprising:
- at least one outer layer of a fire resistant fabric and one or more layers of a heat resistant material comprised of a mixture of from 50 to about 94 percent by weight of inorganic microfibers and from about 50 to about 6 percent by weight of a heat resistant binding agent, said composite structure having a Thermal Resistance of at least about 25 seconds.
A porous, flexible and pliant fire and heat resistant composite structure comprising:
- at least one outer layer of a fire resistant fabric and one or more layers of a heat resistant material comprised of a mixture of from about 50 to about 94 percent by weight of glass microfibers and from about 50 to about 6 percent by weight of a heat resistant binding agent, said composite structure having a Thermal Resistance of at least about 25 seconds, a porosity of from about 0.01 to about 20 cubic feet of air per square foot of surface area per minute at a pressure of 0.5 inches WC and a temperature of 50 degrees C., and an overall thickness of from about 30 to about 100 mils.
Dependencies are inferred from the claim text.