Ngk Insulators, Inc.

Shiori Nakao

Shogo Hirose

Satoshi Sakashita

Shuji Ueda

Hirotaka Yamamoto

Hiroyuki Nagaoka

Mitsuharu Ono

A honeycomb structure has partition walls defining a plurality of polygonal cells which become through channels for a fluid, a structure end face vertical to an axial direction has at least two cell regions possessing mutually different cell structures and surrounded by circumferential portions, and in the cell regions adjacent to each other, to first partition walls of a first cell structure of one first cell region, second partition walls of a second cell structure of the other or second cell region are tilted.

Honeycomb structure, and manufacturing method of honeycomb structure

A honeycomb structural bodycomprises a porous partition portionwhich forms a plurality of cells each functioning as a flow path of a fluid, and in the partition portion, the average pore diameter is 10 to 20 &#x3bc;m, and a wet area rate R (=S/V) which is the rate of a wet area S of pores to a volume V of the partition portionis 0.000239 &#x3bc;mor more.

Honeycomb structural body and method for manufacturing the same

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Nagoya, Japan

Shiori Nakao