Stock material or miscellaneous articles – Hollow or container type article – Glass – ceramic – or sintered – fused – fired – or calcined metal...
Patent
1994-06-30
1998-06-09
Dye, Rena
Stock material or miscellaneous articles
Hollow or container type article
Glass, ceramic, or sintered, fused, fired, or calcined metal...
428 358, 428 361, 428 363, 428 364, 428902, 428 345, 220414, 220417, 220457, 220590, B65D 9056, F02K 934
Patent
active
057630275
ABSTRACT:
An insensitive composite pressure vessel for containing an energetic compound includes at least two fibers having different temperature resistance characteristics. A dynamic fiber loses a substantial portion of its tensile strength at a transformation temperature which is preferably substantially less than the combustion temperature of the energetic compound, whereas a stable fiber retains substantially all of its tensile strength at temperatures exceeding the transformation temperature. Hence, a pressure vessel formed of dynamic fibers and stable fibers has sufficient burst strength to resist operating pressures under normal conditions. The vessel loses strength and develops additional orifices to vent combustion products from the energetic compound in the event of an external fire, thereby allowing unintentionally ignited rocket motors to burn substantially in place. The present invention also discloses methods for making such vessels by shaping, impregnating, and consolidating fibers and resins, and methods for venting combustion products from such vessels in an actual or simulated external fire.
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"Spectra High Performance Fibers" product catalog.
Enders Mark L.
Robinson Tony T.
Dye Rena
Lyons, Esq. Ronald L.
Thiokol Corporation
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