Heat-resistant expansion member
US5242871A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1992 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Mar 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/259
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The heat resistant expansion member used as the holding member of the ceramic honeycomb monolithic catalyst in an automobile comprises 20 to 40 wt. % of sepiolite, 30 to 54 wt. % of particulate vermiculite, 20 to 40 wt. % of ceramic fibers, and 5 to 20 wt. % of organic bonding material, or 20 to 40 wt. % of sepiolite, 30 to 54 wt. % of treated vermiculite, 20 to 40 wt. % of ceramic fibers, 5 to 20 wt. % of organic bonding material, and 1 to 10 wt. % of E-glass with fiber diameter of 1 .mu.m or less, so that a large holding force is maintained whether in a low temperature region or in a high temperature region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.