Patent · US Expired

Electropolishing of stainless steel

US4148699A · kind A · utility

5Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1978
Grant dateApr 10, 1979
Priority date
Expiry dateMay 8, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25F7/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The electrofinishing of stainless steel items, especially cutlery items, to a substantially corrosion resistant mirror finish is achieved in two steps, the first step involving electropolishing and the second step passivation of the electropolished surface. Apparatus for effecting the electrofinishing operation is also described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.