Mounting mat for exhaust gas treatment device
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United States of America Patent
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Nov 14, 2017
Grant Date -
Aug 25, 2016
app pub date -
Apr 29, 2016
filing date -
Dec 17, 2009
priority date (Note) -
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Abstract
A mounting mat for an exhaust gas treatment device includes a wet laid sheet of polycrystalline inorganic fibers that have been physically entangled while the wet laid sheet is still in a wet condition. The exhaust gas treatment device includes a housing, a fragile catalyst support structure resiliently mounted within the housing, and the mounting mat disposed in a gap between the housing and the fragile structure. Additionally disclosed are methods of making a mounting mat for an exhaust gas treatment device and for making an exhaust gas treatment device incorporating the mounting mat.
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