Sound and heat insulating material and method for manufacturing the same and articles made thereof
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United States of America Patent
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N/A
Issued Date -
Nov 14, 2002
app pub date -
Mar 26, 2002
filing date -
Mar 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An inexpensive sound and heat insulating material that is able to prevent fine fiber granules generated by heat deterioration of the inorganic fiber as a main component of the base material from being scattered while maintaining the sound insulating property and heat resistant property. A coating layer of a lepidoflaky mineral is formed by coating, followed by drying, a water base dispersion of the lepidoflaky mineral by brushing, spraying, roll coating, dipping or showering on the surface of the base material comprising a heat-resistant fiber such as an inorganic fiber. Further exhaust manifold covers, engine exhaust pipes sound absorbing blocks made of, or utilizing the sound and heat insulting material.
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