Products for the protection of continuous cast moulds for cast-iron pipes
US7615095B2 · kind B2 · utility
3Cited by
12References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Mar 25, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D13/102
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder product for the protection of centrifugal casting molds for cast iron pipes includes an inoculating metal alloy and possibly mineral powders, and a strongly reducing metal that is volatile at the temperature of the liquid cast iron. The use of products according to the invention prevents accumulation of dirt on molds and improves the surface condition of the cast iron pipes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.