Patent · US Expired

Heat-resistant expansion member

US5242871A · kind A · utility

46Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 1992
Grant dateSep 7, 1993
Priority date
Expiry dateMar 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.