Production method of ceramic honeycomb structure

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United States of America Patent

PATENT NO 9085091
APP PUB NO 20130140742A1
SERIAL NO

13816845

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Abstract

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A method for producing a ceramic honeycomb structure having a large number of paths partitioned by porous cell walls, the cell walls having thickness of 0.17-0.45 mm and porosity of 40% or more, comprising the steps of preparing a moldable material comprising a ceramic material powder, a binder, a pore-forming material and water, extruding the moldable material to form a honeycomb-shaped green body, and drying and sintering the green body, the pore-forming material having a melting point of 40-110° C., being solid in the moldable material, and being melted in the drying step so that 25% or more thereof is removed from the green body in the drying step.

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Patent Owner(s)

Patent OwnerAddress
HITACHI METALS LTDMINATO-KU TOKYO 108-8224

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okazaki, Shunji Miyako-gun, JP 40 347

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