Amorphous non-intumescent inorganic fiber mat for low...

Details Amorphous non-intumescent inorganic fiber mat for low... Amorphous non-intumescent inorganic fiber mat for low...

2005-02-15

2005-02-15

Tran, Hien (Department: 1764)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

C422S177000, C422S221000, C428S920000

Reexamination Certificate

active

06855298

ABSTRACT:
A non-intumescent mat for providing a support structure for low temperature fragile structures in exhaust gas treatment devices, such as catalytic converters, diesel particulate traps, and like, comprising amorphous inorganic fibers. The fibers have Young's Modulus of less than about 20×106psi and a geometric mean diameter less than about 5 μm. The mat is adapted to provide a holding force of at least 15 psi throughout an average mat temperature range from ambient temperature up to at least about 350° C. The amorphous inorganic fibers are preferably melt formed fibers comprising the fiberization product of a melt comprising alumina/silica.

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U.S. Appl. No. 09/560,469, filed Apr. 28, 2000. Entitled “Support Element for Fragile Structures Such as Catalytic Converters.”.

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