Sound absorbing and insulating material with improved heat resistance and moldability and method for manufacturing the same
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United States of America Patent
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Jan 30, 2018
Grant Date -
Jan 5, 2017
app pub date -
Mar 25, 2014
filing date -
Dec 19, 2013
priority date (Note) -
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Abstract
The present invention relates to a sound absorbing and insulating material with improved heat resistance and moldability and a method for manufacturing the same, more particularly to a sound absorbing and insulating material having, as a surface layer, a heat-resistant material prepared by impregnating a binder into a nonwoven fabric formed of a heat-resistant fiber stacked on one side of a base layer formed of a conventional sound absorbing and insulating material, and a method for manufacturing the same.
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International Classification(s)
- G10K:SOUND-PRODUCING DEVICES
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B60R:VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT ....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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