Title:
ハニカム構造体の製造方法
Document Type and Number:
Japanese Patent JP6711774
Kind Code:
B2
Abstract:
A manufacturing method of a honeycomb structure including:a dry mixing step of dry-mixing raw materials to form the honeycomb structure by a batch treatment,a wet mixing step of adding a liquid including at least one selected from the group consisting of water, a surfactant, a lubricant and a plasticizer to a dry mixture obtained in the dry mixing step, to perform wet mixing,a kneading step of kneading a wet mixture obtained in the wet mixing step, anda forming step of extruding a forming material prepared in the kneading step,wherein in the dry mixing step, a used forming material passed through the forming step is added as a part of the raw material, to perform dry mixing, andthe kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.
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Inventors:
Nakajo Makoto
Toshihiro Fukui
Toshihiro Fukui
Application Number:
JP2017059057A
Publication Date:
June 17, 2020
Filing Date:
March 24, 2017
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B28B3/20; B28C7/04
Domestic Patent References:
| JP2016193589A | ||||
| JP2005126317A | ||||
| JP2004224659A | ||||
| JP3072032B2 | ||||
| JP2004188819A |
Foreign References:
| WO2005018893A1 |
Attorney, Agent or Firm:
Ippei Watanabe
Shigeru Koike
Shigeru Koike