Roll member having glass surface and method for manufacturing same
US5237747A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 19, 1991 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Jul 19, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49563
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A roll member of metal body is coated with a smooth glass layer sprayed thereon. The invention is also directed to a method for manufacturing a roll member of metal body having a glass surface, including preheating the surface of the metal body which is subject to a blast treatment to 200.degree..about.600.degree. C. with or without a stainless undercoat layer on the blast-treatment surface, spraying a glass material onto the surface of the metal body, and grinding the sprayed glass surface to form a smooth surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.