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Method of fabricating reusable surface insulation containing polybenzazole
   
Document Number
US Patent 7297218
Issued Date
November 20, 2007
Link
Inventors
Tran; Duoc T. (Huntington Beach, CA)
Map
Abstract
A lightweight, flexible, layered insulation composed of glass or ceramic fabric covered with a ceramic coating and overlying an insulating felt made from needled polybenzazole (PBZ) material which is preferably polybenzoxazole (PBO), and which optionally contains a poly(1,3-phenylene isophtalamide) felt material, commercially known as Nomex.TM., either combined with the PBZ felt or layered beneath the PBZ felt as a separate layer. The insulation is readily applied to a reusable launch vehicle via a silicone adhesive.
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Number of Claims:
4
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Owner
The Boeing Company (Chicago, IL)
Published
November 20, 2007
Application Number
10/772,719
Filed
February 5, 2004
US Classification
156/148   428/920
Int'l Classification
B32B   5/02   (20060101)  
Assistant Examiner
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of U.S. application Ser. No. 10/295,380 filed Nov. 15, 2002, now U.S. Pat. No. 6,914,022, which is hereby incorporated herein in its entirety by reference.
USPTO Field of Search
156/148   244/171.7   244/159.1   244/121   428/137   428/920  
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