Composite cast iron drier roll
US4064608A · kind A · utility
24Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Sep 30, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A drier roll having a ferrous metal surface is provided with a surface coating of a hardfacing alloy, the ferrous metal surface having a thermal conductivity relative to silver taken as 1 cal/cm.sup.2 /cm/.degree. C/sec of at least about 0.06, the hardfacing alloy being a hardfacing heat, corrosion and wear resistant iron-group metal-base alloy mechanically and metallurgically bonded to said ferrous metal surface which is preferably made of cast iron, the hardfacing alloy coating having a thickness ranging from about 0.01 to 0.15 inch, the thermal conductivity of said coating being at least 0.05.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.