Honeycomb structure producing method, and honeycomb structure

Details Honeycomb structure producing method, and honeycomb structure Honeycomb structure producing method, and honeycomb structure

2007-10-02

2007-10-02

McNeil, Jennifer C. (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C264S630000

Reexamination Certificate

active

10509866

ABSTRACT:
In a method for producing a honeycomb structure20which comprises disposing a material for forming outer wall11on the outer peripheral surface3of a cell structure1having a plurality of cells serving as fluid flowing channels to produce a cell structure being provided with a material for forming outer wall10and firing the resulting cell structure being provided with a material for forming outer wall10, wherein a cell structure being provided with a material for forming outer wall10in which the absolute value of the difference between the volumetric shrinkage percentage (firing shrinkage percentage) before and after firing of the cell structure1and the firing shrinkage percentage of the material for forming outer wall11is not more than 0.5% is produced and fired. There is provided a method for producing a honeycomb structure which comprises providing an outer wall on the outer peripheral surface and firing it, according to which the outer wall hardly cracks during firing and high-strength and large-sized honeycomb structure can be produced, and further provided is a high-strength and large-sized honeycomb structure in which the outer wall hardly cracks during firing.

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