| 专利名称： | CERAMIC HONEYCOMB STRUCTURE AND PROCESS FOR PRODUCING THE SAME |
| 公开（告）号： | |
| 公开（公告）日： | 2008-07-03 00:00:00 |
| 申请（专利）号： | WO2008078748 |
| 申请日： | 2007-12-25 00:00:00 |
| 发明（设计）人： | HITACHI METALS LTD (JP)OKAZAKI SHUNJI (JP) |
| (申请)专利权（人）： | OKAZAKI SHUNJI (JP) |
| 内容： | A ceramic honeycomb structure composed of a ceramic honeycomb main body having a multiplicity of cells extending in an axial direction, surrounded by cell walls, and a peripheral wall provided on the peripheral surface of the ceramic honeycomb main body, characterized in that the peripheral wall results from application of a coating material to concave grooves extending in the axial direction, provided by the cell wall lying on the peripheral surface of the ceramic honeycomb main body, and that in the direction of thickness of the peripheral wall, the hardness of portion on the peripheral side is higher than that of portion on the internal side. |
发布日期：2008-11-14 11:09:00