发明名称 |
GREEN HONEYCOM MOLDING DEFECT EXAMINATION METHOD, GREEN HONEYCOMB STRUCTURE MANUFACTURING METHOD, AND GREEN HONEYCOMB MOLDING DEFECT EXAMINATION DEVICE |
摘要 |
Disclosed is a method of examining defects in a green honeycomb molding having partition walls which form a plurality of flow channels extending in parallel with one another, and sealing portions which close the upper ends of some of the plurality of flow channels and the lower ends of the rest flow channels. The method includes a step of applying pressure to the lower ends of the plurality of flow channels using gas, and a step of visualizing the distribution of gas refractive indexes near the upper ends of the plurality of flow channels. |
申请公布号 |
EP2803972(B1) |
申请公布日期 |
2016.11.30 |
申请号 |
EP20120865425 |
申请日期 |
2012.12.28 |
申请人 |
SUMITOMO CHEMICAL CO., LTD |
发明人 |
SHINOZUKA ATSUHIKO;TOKUOKA YUKIHITO;TSUCHIMOTO KAZUYA |
分类号 |
G01N21/956;B29D99/00;G01M3/00;G01M3/38 |
主分类号 |
G01N21/956 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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