Patent · US Expired

Bath for direct chrome-plating of calender rolls

US4062740A · kind A · utility

3Cited by

1References

4Claims

0Family size

Inventors

Wilhelm Bauer · Stuttgart, DE
Hans Bauer · Wattwil, CH

Key dates

Filing date	Jan 14, 1977
Grant date	Dec 13, 1977
Priority date	—
Expiry date	Jan 14, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25D3/04
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

An electrolytic bath for direct chrome-plating of calender rolls is disclosed to which potassium aluminum sulfate and copper sulfate are added in order to increase the strength and stability of the chrome-plated layer deposited on the calender rolls.

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