Honeycomb structured body

Details Honeycomb structured body Honeycomb structured body

2011-07-19

2011-07-19

McNeil, Jennifer C (Department: 1784)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C264S630000

Reexamination Certificate

active

07981496

ABSTRACT:
A honeycomb structured body of the present invention includes plural pillar-shaped honeycomb units which are bonded to one another through sealing material layers, each unit having in the longitudinal direction a large number of cells placed in parallel with a cell wall therebetween, wherein each honeycomb unit includes inorganic fibers and/or whiskers in addition to inorganic particles, a cross-sectional area of the honeycomb unit on a cross section perpendicular to the longitudinal direction is set to at least about 5 cm2and at most about 50 cm2, and a coefficient αLof thermal expansion of the sealing material layer and a coefficient αFof thermal expansion of the honeycomb unit satisfy the following relationship:in-line-formulae description="In-line Formulae" end="lead"?about 0.01≦|αL−αF|/αF≦about 1.0.in-line-formulae description="In-line Formulae" end="tail"?

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