Patent · US Expired

Roll member having glass surface and method for manufacturing same

US5237747A · kind A · utility

5Cited by
9References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 19, 1991
Grant dateAug 24, 1993
Priority date
Expiry dateJul 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.