Patent · US Active

Method for producing molded bodies from sheet steel galvanized on one or both sides

US9228148B2 · kind B2 · utility

3Cited by

5References

10Claims

0Family size

Assignee

Voestalpine Stahl GmbH · AT

Inventors

Stephan Huffer · Birkenfeld, DE
Helmut Witteler · Monsheim, DE
Achim Feßenbecker · Kusel, DE
Karl-Heinz Stellnberger · Ansfelden, AT
Martin Fleischanderl · Linz, AT

Key dates

Filing date	Nov 24, 2009
Grant date	Jan 5, 2016
Priority date	—
Expiry date	Oct 31, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12556
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A method of producing shaped articles made from single-sidedly or double-sidedly galvanized steel sheet, starting from galvanized steel strip, at least one of the steps of the method being a transport operation, and in which, for protection from black-spot corrosion, a corrosion preventive oil is applied which comprises at least one phosphoric acid polyoxyalkylene ester.

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