Invention Grant
- Patent Title: Manufacturing method of honeycomb structure
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Application No.: US15918147Application Date: 2018-03-12
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Publication No.: US11542205B2Publication Date: 2023-01-03
- Inventor: Makoto Nakajo , Toshihiro Fukui
- Applicant: NGK INSULATORS, LTD.
- Applicant Address: JP Nagoya
- Assignee: NGK INSULATORS, LTD.
- Current Assignee: NGK INSULATORS, LTD.
- Current Assignee Address: JP Nagoya
- Agency: Burr & Brown, PLLC
- Priority: JPJP2017-059057 20170324
- Main IPC: B28B3/20
- IPC: B28B3/20 ; C04B35/622 ; B28B17/02 ; B28C7/02 ; C04B35/626 ; C04B38/00 ; B28C5/00 ; C04B35/195

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, and a 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, and the kneading step includes a liquid re-adding step of further adding the liquid in a process of kneading the wet mixture.
Public/Granted literature
- US20180273433A1 MANUFACTURING METHOD OF HONEYCOMB STRUCTURE Public/Granted day:2018-09-27
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