Insulating material containing delaminated vermiculite
US4897294A · kind A · utility
8Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Sep 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/13
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An asbestos-free insulating material suitable for use as a header in molten metal casting. The material is made from a dry mixture comprising lime, siliceous component, delaminated vermiculite or spodumene or lithium aluminate or mixtures thereof, and optionally, wollastonite and organic fiber. The dry mixture is mixed with water to form a slurry, shaped, heated in the presence of steam, and dried to remove free water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.