Ceramic honeycomb structure and method of manufacturing the...

Details Ceramic honeycomb structure and method of manufacturing the... Ceramic honeycomb structure and method of manufacturing the...

2005-10-19

2009-02-10

Greene, Jason M (Department: 1797)

Gas separation

Specific media material

Ceramic or sintered

C055S282200, C055S282300, C055S385300, C055S524000, C055SDIG007, C055SDIG010, C055SDIG030, C060S297000, C060S311000, C428S116000, C264S044000, C264S630000, C264S631000, C264SDIG048

Reexamination Certificate

active

07488368

ABSTRACT:
The ceramic honeycomb structure has a plurality of cells partitioned by porous partition walls and extending through the structure in an axial direction, one end portion of a predetermined cell is plugged with a plugging portion constituted of a plugging material with which the cell is filled, and the other end portion of a remaining cell is plugged with the plugging portion on a side opposite to the end portion of the predetermined cell. In the ceramic honeycomb structure, a sectional numerical aperture of the plugging portion in the vicinity of the partition wall is smaller than that of the plugging portion in the vicinity of a central axis, and a difference between the sectional numerical apertures is 10% or more.

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