Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond
Patent
1988-10-24
1990-07-24
Thomas, Alexander S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including stitching and discrete fastener, coating or bond
428255, 428280, 428920, 156 93, B32B 306, B32B 3120
Patent
active
049434659
ABSTRACT:
Provided is a composite for use as thermal insulation in high temperature environments. The composite comprises a layer of randomly laid and oriented, fine diameter, heat resistant fibers interlocked together into the form of a shape sustaining paper having a high fiber index and two lateral surfaces, said paper being compressed to produce a paper which has a thickness of from about 0.01 to 0.50 inch and a density of about 6 to about 30 lb/cu.ft. A high temperature resistant scrim is disposed upon each of the lateral surfaces of the paper, and a network of abrasion-resistant, high temperature-resistant threads is stitched through the scrim and the paper such that the scrim is mechanically locked to the paper by said threads. The network of threads and the scrim substantially retain the structural integrity of the said paper to maintain said paper in compression.
REFERENCES:
patent: 2808338 (1957-10-01), Bruno et al.
patent: 2811457 (1957-10-01), Speil et al.
patent: 3055831 (1962-09-01), Barnett et al.
patent: 4221672 (1980-09-01), McWilliams
Form C 737-J; 2/88, pp. 1-2, Standard Oil Engineered Materials, "Fiberfrax.RTM. Ceramic Fiber Papers General Information".
E. A. Skrabek, "Thermal Performance of High Temperature Insulation Materials In Aerospace Environments", Refract., Fr., 1979, vol. 16, pp. 361-370.
Bailey Douglas J.
Boymel Paul
Cerdan Juan M.
Curatolo Joseph G.
Evans Larry W.
Moxon II George W.
The Carborundum Company
Thomas Alexander S.
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