Honeycomb segment, honeycomb structure and process for producing the same
US8241725B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2008 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Aug 8, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24157
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A honeycomb structure whose shape is composed of plural honeycomb segments being bonded integrally by means of a bonding material; the honeycomb structure having inner partition walls with plural first pores and defining respective cells serving as flow channels for exhaust gas, outer circumferential wall having second pores, and surrounding the inner partition walls, and inner partition walls having third pores and contacting with a processed outer circumferential surface becoming an outermost circumference through processing of an outer circumferential portion. A filling composition for the second pores and a filling composition for the third pores having the specified functions respectively are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.