Honeycomb structure

Details Honeycomb structure Honeycomb structure

2005-07-05

2010-10-12

Bos, Steven (Department: 1793)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C502S439000, C156S089220, C055S523000, C055S524000, C055S529000

Reexamination Certificate

active

07811650

ABSTRACT:
A honeycomb structure10of the present invention comprises: porous honeycomb units11having multiple through-holes, including the first form of an inorganic material (for example, ceramic particles), the second form of an inorganic material (for example, inorganic fibers or ceramic particles having large particle sizes), and an inorganic binder; and sealing material layers14jointing the porous honeycomb units11at outer surfaces13where the through-holes are not open. The cross-sectional area perpendicular to the through-holes is about 5 to about 50 cm2. The ratio of the total cross-sectional area of the porous honeycomb units11to the cross-sectional area of the honeycomb structure10is not less than about 85%. The honeycomb structure10reduces thermal stress or vibration applied to each porous honeycomb unit11, by the sealing material layers14, and allows for a more effective use of surface on which catalyst components are dispersed.

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